The present application relates to the field of energy storage. Disclosed are an energy storage apparatus, a design method for the energy storage apparatus, an electronic device, and a computer-readable storage medium. The energy storage apparatus comprises: a direct-current energy storage valve, which is used for providing a direct-current voltage; and a three-phase modular multilevel converter circuit, wherein a direct-current side thereof is connected to two ends of the direct-current energy storage valve, and the three-phase modular multilevel converter circuit comprises two or more modular multilevel converter sub-modules, each modular multilevel converter sub-module being a full-bridge sub-module or a half-bridge sub-module, and the proportion of the number of full-bridge sub-modules among the two or more modular multilevel converter sub-modules being determined on the basis of a target adjustment range of the direct-current voltage. Compared with the relevant art, the energy storage apparatus, the design method for the energy storage apparatus, the electronic device, and the computer-readable storage medium which are provided in the embodiments of the present application have the advantages of reducing the design complexity of an energy storage apparatus under different voltage requirements and improving the design efficiency of an energy storage apparatus.
CONTEMPORARY AMPEREX FUTURE ENERGY RESEARCH INSTITUTE (SHANGHAI) LIMITED (China)
Inventor
Fan, Dashuai
Lu, Yanhua
Yu, Dongxu
Ji, Panpan
Liang, Pengfei
Wang, Sheng
Su, Tan
Zhu, Jianbin
Abstract
An energy storage valve control system and energy storage equipment are disclosed. Redundancy configuration is performed for the main control equipment and the expansion equipment. Through one main control equipment and one expansion equipment, the protection and control of the energy storage equipment can be realized, while the other main control equipment and the other expansion equipment serve as backups. The expansion equipment in the backup state is connected to the expansion equipment in the operating state to realize monitoring of the expansion equipment in the operating state, and the main control equipment in the backup state is connected to the main control equipment in the operating state to realize monitoring of the main control equipment in the operating state. When an abnormality occurs during monitoring, it is possible to switch to the main control equipment in the backup state and/or the expansion equipment in the backup state in time.
A precursor, a perovskite light-absorbing layer and preparation method thereof, a perovskite cell, and an electric device are described. The precursor is used for preparing a perovskite light-absorbing layer including a mixed halide perovskite precursor solution and an organic additive added to the mixed halide perovskite precursor solution. In this application, with the addition of the organic additive including a sulfonyl group to the mixed halide perovskite precursor solution, the crystallization kinetics of the mixed halide perovskite in the film formation process is controlled to hinder the mixed halide components from longitudinal gradient phase separation, achieving uniform distribution of halogen components and suppressing the open-circuit voltage loss; and/or suppressing photoinduced phase separation of the mixed halide perovskite after illumination and extending the service life of the wide-bandgap perovskite cell.
H10K 85/60 - Organic compounds having low molecular weight
H10K 30/40 - Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation comprising a p-i-n structure, e.g. having a perovskite absorber between p-type and n-type charge transport layers
H10K 30/85 - Layers having high electron mobility, e.g. electron-transporting layers or hole-blocking layers
H10K 30/86 - Layers having high hole mobility, e.g. hole-transporting layers or electron-blocking layers
H10K 85/50 - Organic perovskitesHybrid organic-inorganic perovskites [HOIP], e.g. CH3NH3PbI3
12.
THERMAL RUNAWAY RISK PREDICTION METHOD AND APPARATUS, DEVICE, AND STORAGE MEDIUM
The present application relates to the technical field of batteries, and discloses a thermal runaway risk prediction method and apparatus, a device, and a storage medium. The method comprises: processing, by at least two neural network layers in a target prediction model, thermal runaway risk parameters layer by layer, wherein the target prediction model is obtained by pre-training on the basis of state vectors of a plurality of time steps, so that the memory capability of the model for past state sequences can be enhanced, and thus the model can better learn the dynamic characteristics of an energy storage battery system, and captures a complex temporal association relationship among multiple variables, thereby improving the accuracy of thermal runaway risk prediction and reducing the safety risk of the energy storage battery system.
A testing method and a testing system. The testing method is applied to a testing apparatus for testing a control system of a power device. The power device is configured such that the control system is connected to N electrical sub-modules (11); and the electrical sub-modules (11) each comprise a sub-controller (03) and a power sub-module connected to the sub-controller (03). The testing method comprises: a testing apparatus acquires a sub-module control instruction issued by a control system, and acquires actual electrical data of power sub-modules of electrical sub-modules (11), wherein the actual electrical data is data obtained by sub-controllers (03) controlling the power sub-modules on the basis of the sub-module control instruction; and finally, the testing apparatus transmits the actual electrical data and the sub-module control instruction to a simulation system, such that the simulation system simulates operation of the power sub-modules so as to generate test data, thereby implementing end-to-end testing of the control system of the power device.
The present application relates to an energy storage valve and a control method and control device therefor, and an energy storage device. The energy storage valve may comprise at least two energy storage modules which can be connected to a main line of the energy storage valve, a current limiting circuit, and an electrical parameter measurement circuit which can be used for measuring electrical parameters in the circuit, wherein the current limiting circuit and the electrical parameter measurement circuit are both connected to a grounding point on the main line of the energy storage valve, the grounding point is connected to the ground, and the electrical parameter measurement circuit is arranged between the grounding point and the ground. According to embodiments of the present application, whether a ground short circuit has occurred inside the energy storage valve can be detected in a timely manner, so that short-circuit protection can be carried out in a timely manner when the ground short circuit is present inside the energy storage valve, and the extent of damage to the energy storage valve caused by a fault current can be reduced as much as possible, thereby protecting the energy storage valve.
H02H 9/02 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
H02H 7/00 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
The present application provides a common-mode current calculation method, an energy storage system evaluation method, and an apparatus. The common-mode current calculation method comprises: modeling a target energy storage system to obtain a geometric model of the target energy storage system; calculating a stray parameter of the target energy storage system on the basis of the geometric model; and calculating a common-mode current of the target energy storage system on the basis of the stray parameter.
The present application relates to the technical field of high-voltage energy storage, and relates to a method and apparatus for controlling a high-voltage energy storage system to enter a maintenance state, a computer device and a storage medium. A high-voltage energy storage system comprises at least one energy storage branch, and the energy storage branch comprises a plurality of cascaded energy storage sub-modules. The method in one embodiment comprises: controlling an energy storage branch to be maintained to be in a non-power output state; controlling the branch voltage of said energy storage branch to be less than a branch voltage safety value; and controlling the current of an energy storage sub-module to be maintained in said energy storage branch to be less than a current safety value, and grounding a housing of said energy storage sub-module.
A control system, method, apparatus and device for an energy storage valve (10), and an energy storage apparatus. The control system comprises an energy-storage-valve control device (11) and a heating-and-ventilation-system control device (13), which are connected to each other, wherein the heating-and-ventilation-system control device (13) is configured to monitor operation information of a heating and ventilation system (12), and send the operation information to the energy-storage-valve control device (11); the heating and ventilation system (12) is configured to stabilize a preset temperature and preset humidity of an environment where the energy storage valve (10) is located during operation; and the energy-storage-valve control device (11) is configured to control the operation state of the energy storage valve (10) on the basis of the operation information. Therefore, an energy-storage-valve control device (11) and a heating-and-ventilation-system control device (13) realize linkage control, thereby facilitating an improvement in the operation stability of an energy storage valve (10).
The present application relates to an energy storage valve, an energy storage valve control method and device, and an energy storage device. The energy storage valve can comprise detection branches and at least two energy storage modules that can be connected in series on a main line of the energy storage valve. One end of the main line of the energy storage valve can be connected to a positive electrode direct-current bus, and the other end of the main line of the energy storage valve can be connected to a negative electrode direct-current bus. At least one end of each detection branch can be connected to at least one target ground point, and the other end of said detection branch is connected to the ground, wherein the at least one target ground point includes: a first target ground point located between any two energy storage modules on the main line of the energy storage valve, or second target ground point located on the positive electrode direct-current bus, and a third target ground point located on the negative electrode direct-current bus. In the embodiments of the present application, whether a short to ground occurs inside an energy storage valve can be monitored in a timely manner, thereby facilitating the protection of the energy storage valve.
Provided in the present application are a harmonic current suppression method and apparatus, and an electronic device and a storage medium. The method comprises: acquiring an output current in a direct-current line of a direct-current energy storage valve; determining a multi-order harmonic current component on the basis of the output current; generating a harmonic compensation amount on the basis of the multi-order harmonic current component; and inputting the harmonic compensation amount into a direct-current energy storage valve control loop, and determining a modulation voltage value of the direct-current energy storage valve. By means of the method, the multi-order harmonic current component in the direct-current line of the direct-current energy storage valve is actively suppressed at a direct-current side.
CONTEMPORARY AMPEREX FUTURE ENERGY RESEARCH INSTITUTE (SHANGHAI) LIMITED (China)
Inventor
Chen, Chen
Chen, Junchao
Guo, Yongsheng
Chen, Guodong
Abstract
A solar cell assembly preparation method. In the process of preparing a conductive layer, several conductive layers separated by a first trench are formed on the substrate. After the conductive layers are formed, the separating function of second separating members and the separating function of third separating members are respectively utilized to ensure that the functional layer groups formed on one side of the conductive layers are separated by and located on two sides of an entirety formed by the second separating members and the third separating members.
Disclosed in the present application are a solar cell and a preparation method, and an electric device and a power generation device. The solar cell comprises a solar cell body and a protective layer, wherein the protective layer is arranged on at least one side of the solar cell body, and comprises at least one stress compensation layer; a neutral surface of the solar cell is located on a functional layer; alternatively, the neutral surface of the solar cell is located in a substrate, and the distance between the surface of the functional layer close to the substrate and the neutral surface is less than or equal to 10 μm; alternatively, the neutral surface of the solar cell is located in the protective layer, and the distance between the surface of the functional layer close to the protective layer and the neutral surface is less than or equal to 10 μm. The embodiments of the present application take into account the interaction between the structures of the layers of the solar cell; and by means of providing the protective layer, the formed protective layer matches the solar cell body, such that the neutral surface of the solar cell is close to or is located on the functional layer prone to failure, thereby reducing the risk of failure of the functional layer and improving the bending resistance of the solar cell.
Disclosed in the present application are an extension apparatus and a power device. At least one power source board, at least one management board and at least one communication board are integrated on a VPX backboard, a power source line and a VPX connector are provided, the power source board generates a corresponding power supply signal on the basis of a power source signal and outputs the power supply signal to the power source line, the management board and the communication board are configured to draw power from the power source line, and the communication board receives a management control signal outputted from the management board and generates a corresponding communication signal on the basis of the management control signal. Therefore, the functions of VPX communication and power supply are achieved on the same VPX backboard, and it is not necessary to additionally provide a power source board to separately supply power, thereby reducing the footprint of the extension apparatus and expanding the application scenarios of the extension apparatus.
H02J 9/04 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
H02J 13/00 - Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the networkCircuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
H05K 7/14 - Mounting supporting structure in casing or on frame or rack
The present application relates to a fastening tooling and a processing apparatus. The fastening tooling comprises: a fixing assembly which is provided with a rotation limiting space; and a fastening assembly which comprises a fastening portion and a rotating portion, wherein the fastening portion is connected to one end of the rotating portion, the fastening portion is provided with a first rotating shaft penetrating the rotation limiting space, and the rotating portion is rotationally connected to the fixing assembly around the first rotating shaft. In the present application, the fixing assembly is used to fix a wiring terminal, and a connector is connected to the wiring terminal and the fastening assembly is then controlled to drive the connector to rotate relative to the fixing assembly, so as to fix the wiring terminal to a target position; in addition, since the wiring terminal is always limited by the fixing assembly during rotation, the wiring terminal can remain fixed, thus improving wiring efficiency, enabling the fixation of the wiring terminal at the target position to be more stable, and facilitating operations.
The present application relates to the technical field of electronics. Provided are an alarm raising method for an anomaly, and a device monitoring system and a computer-readable storage medium. The method comprises: acquiring a configuration file corresponding to a hardware board card, wherein the configuration file is a configuration file which is correspondingly set for the environment where the hardware board card is located; reading from the configuration file configuration data and position information of monitoring points; on the basis of the position information of the monitoring points, determining monitoring points distributed in the hardware board card; acquiring monitoring data of the monitoring points, and monitoring the operating situation of the hardware board card on the basis of the monitoring data and the configuration data; and when an abnormal situation has been detected, issuing an anomaly alarm notification. Corresponding configuration files are set for different working environments of a hardware board card, such that the hardware board card can perform operating situation monitoring and anomaly detection on the hardware board card by using configuration data in the configuration file corresponding to the hardware board card, thereby effectively improving the accuracy of an anomaly alarm, and improving the reliability of system safety monitoring.
A fire-fighting linkage control system and method for an energy storage valve. The fire-fighting linkage control system for an energy storage valve comprises: at least one energy storage control system and at least one fire-fighting control system, wherein each energy storage control system is in communication connection with the at least one fire-fighting control system; and the energy storage control system is in communication connection with an energy storage valve, the fire-fighting control system is in communication connection with a fire-fighting system, and the fire-fighting system is used for performing fire fighting on the energy storage valve. The energy storage valve comprises at least one energy storage sub-module, wherein the energy storage sub-module comprises a power module and a battery module, which are connected to each other. Consequently, the risk of thermal runaway accidents of an energy storage valve can be reduced by means of combining the linkage control between an energy storage control system and a fire-fighting control system.
A62C 3/16 - Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
26.
VALVE ASSEMBLY, POWER MODULE, ENERGY STORAGE SUB-MODULE, AND ENERGY STORAGE SYSTEM
The present application relates to a valve assembly, a power module, an energy storage sub-module, and an energy storage system. The valve assembly comprises a power device, a cooling member, an impedance device and a press-fitting structure; the press-fitting structure is provided with a press-fitting space; the power device, the cooling member and the impedance device are arranged in the press-fitting space; and the power device is electrically connected to the impedance device. The power device, the cooling member and the impedance device are all press-fitted in the press-fitting space of the press-fitting structure, such that the distance between the power device and the impedance device can be shortened, and the distance for achieving electrical connection between the power device and the impedance device is shortened, reducing the electrical loss; and because the impedance device is press-fitted in the press-fitting structure, the installation space and the wiring space of the impedance device are also saved.
The present application relates to a power module unit, an energy storage valve module, an energy storage valve, and energy storage device. The power module unit comprises: an upper bridge arm switching transistor and a lower bridge arm switching transistor connected in series, wherein the load capacity operation parameter of the upper bridge arm switching transistor is greater than the load capacity operation parameter of the lower bridge arm switching transistor. Therefore, the embodiments of the present application implement a power module unit with asymmetric configuration; thus, the present application meets the load capacity index requirements of the power module unit for the upper and lower bridge arm switching transistors, and can not only improve the utilization rate of the lower bridge arm switching transistor, but also reduce the device cost of the power module unit, helping to reduce the cost of the energy storage valve module.
A test method, system, apparatus and device for an energy storage control system, and a storage medium. The test method comprises: receiving test indication information (S201); on the basis of the test indication information, simulating an associated device connected to a device to be tested in an energy storage control system, and determining simulation-associated parameters (S202); and on the basis of the simulation-associated parameters and the test indication information, testing the device to be tested, and receiving a test result of the device to be tested (S203). A test device (104) can implement the simulation of any device associated with a device to be tested in an energy storage control system. Specifically, interface implementations and function execution logic implementations of any device can be simulated, and the simulated interface implementations or function implementations are implemented by means of simulation-associated parameters. Therefore, the test process is not limited to testing a specific type of device to be tested, and multiple types of tests can be implemented, thereby improving the applicability of the test method to a certain extent.
Disclosed in the present application are a solar cell, an interface passivation material, a photovoltaic power generation system and an electric device. The solar cell comprises an interface passivation material, and the interface passivation material comprises a first compound having a chemical formula of formula (1) and/or a second compound having a chemical formula of formula (2): (I), wherein Ar is an aromatic group, Q is a functional group containing active hydrogen, A+is selected from an ammonium group or a phosphonium group, and X- is selected from any one of a halogen ion, a halogen-like ion, an oxygen-containing acid radical ion, a fluorine-containing borate ion and a sulfonimide anion. The interface passivation material can be used in a solar cell, thereby passivating the interface defect of a light absorption layer, improving the carrier transporting performance, and improving the photoelectric conversion efficiency and stability of the solar cell.
The present application relates to an energy storage valve operation control method and apparatus, an energy storage valve sub-module, an energy storage valve, and an energy storage system. The method comprises: when an energy storage valve sub-module in an energy storage valve is faulty, and if the bypass of the faulty energy storage valve sub-module fails, controlling the energy storage valve to lock first, such that the current of the energy storage valve is zero; further, by means of controlling a switch apparatus to open successfully, subjecting a capacitor of a power module to a high voltage, and changing the working state of a turn-off thyristor, such that the bypass of the faulty energy storage valve sub-module succeeds by means of the turn-off thyristor; and controlling the energy storage valve to exit locking and enter an operation state.
The present application is applicable to the technical field of energy scheduling, and provides an energy scheduling policy determination method and apparatus, an electronic device, and a storage medium. The method comprises: acquiring the load power information of a power consuming device and the generation power information of a power generating device; and on the basis of the load power information of the power consuming device and the generation power information of the power generating device, solving for an optimal solution of a linear scheduling model to obtain a target scheduling policy, wherein the target scheduling policy is charging and discharging power corresponding to an energy storage device within each scheduling time period, an objective function and a constraint condition of the linear scheduling model are both linear functions, and in the objective function, the charging and discharging power of the energy storage device is represented by a single variable. The charging and discharging power of the energy storage device is used as the single variable of the objective function, so as to convert the determination problem of an energy scheduling policy into a linear programming problem, and the linear programming problem is solved so as to obtain the energy scheduling policy, thereby reducing the complexity of energy scheduling solving, and preventing the solution of the linear scheduling model from being locally optimal.
Provided in the present application are a hinge structure, a power storage cabinet and a power storage device. The hinge structure (30) comprises two connection structures (32) and a rotating shaft (31), wherein the rotating shaft (31) rotationally connects the two connection structures (32). At least one connection structure (32) comprises an adjustment mechanism (33), wherein the adjustment mechanism (33) comprises a first component (331) and a second component (332), the first components (331) being connected to the rotating shaft (31), and the second component (331) being movably connected to the first component (331) in a direction perpendicular to the axial direction of the rotating shaft (31). By means of applying the hinge structure (30) to a sealed cabinet, before a cabinet door (20) rotates relative to a cabinet body (10), the adjustment mechanism (33) enables the cabinet door (20) to move away from the cabinet body (10), thereby reducing compression on sealing strips (42).
The present application relates to the technical field of power systems, and discloses a digital twin construction method for an energy storage valve grid-connected system, and a related apparatus. The digital twin construction method for an energy storage valve grid-connected system comprises: acquiring system data and an operation state of an energy storage valve grid-connected system, wherein the system data comprises data information of each element in the energy storage valve grid-connected system; acquiring a data file of a real time digital simulator simulation model corresponding to the energy storage valve grid-connected system; establishing a relational data table between the system data and each element in the data file; updating the data file on the basis of the relational data table to import the system data into the real time digital simulator simulation model; and sending the operation state to the real time digital simulator simulation model to obtain the real time digital simulator simulation model serving as a digital twin of the energy storage valve grid-connected system. Thus, the actual state of an energy storage valve grid-connected system can be simulated in real time, and the actual state of the energy storage valve grid-connected system can be sensed in real time.
CONTEMPORARY AMPEREX FUTURE ENERGY RESEARCH INSTITUTE (SHANGHAI) LIMITED (China)
Inventor
Lu, Yanhua
Yu, Dongxu
Xu, Xiangxiang
Liang, Liliuyuan
Liang, Pengfei
Abstract
A connection control method comprises: acquiring first voltages of battery packs of energy storage modules of an energy storage system; determining, based on the first voltages of the battery packs and a rated voltage value of a power unit of each of the energy storage modules, a charging voltage of each of the power units; and controlling a battery pack of a target energy storage module of the energy storage system to be connected to the energy storage system based on the charging voltage.
The present application relates to a watchdog circuit and an electronic power device. During actual operation, a voltage divider circuit can input a reference voltage into a first input end of a first comparator; on the basis of the input state of a dog feeder circuit, the dog feeder circuit itself adjusts the charging-discharging state of a charging-discharging circuit with respect to a second input end of the first comparator, so as to change the input voltage of the second input end of the first comparator; and finally, the first comparator performs comparative analysis on the basis of the reference voltage and the input voltage, and feeds back a corresponding level signal, implementing monitoring and restart control of an object to be monitored accessed by an output end of the first comparator.
G06F 11/07 - Responding to the occurrence of a fault, e.g. fault tolerance
H03K 5/24 - Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude
36.
MAINTENANCE TOOLING AND MAINTENANCE TOOLING ASSEMBLY
A maintenance tooling (100), comprising a tooling body (10) and a limiting assembly (20), wherein the tooling body (10) comprises a support platform (11), the support platform (11) being provided with a support portion (12); and the limiting assembly (20) is arranged on the support platform (11), the limiting assembly (20) comprises a limiting pin (21), an elastic member (22) and a traction member (23), the limiting pin (21) being movably connected to the tooling body (10) in a first direction, the traction member (23) being connected to the limiting pin (21), and the elastic member (22) being arranged in the first direction and the elastic member (22) abutting against the space between the limiting pin (21) and the tooling body (10). The maintenance tooling has a simple structure and may be easily mounted and dismounted. The present application further relates to a maintenance tooling assembly.
The present application discloses a power supply control method, a power supply control apparatus, a control device, a control circuit, and a storage medium. The method is applied to a control device in a control circuit; the control circuit further comprises a power supply circuit and a sampling device; the power supply circuit comprises N power supplies, wherein N≥2; each power supply is provided with a power converter; the sampling device is separately connected to the power supplies and the control device; the control device is further connected to the power converters of the power supplies; an output voltage of each power supply is determined by its own adjustment ratio and a preset reference voltage. The method comprises: acquiring power supply state parameters of each of the N power supplies, so as to determine an abnormal power supply; and reducing the present adjustment ratio of the abnormal power supply, so as to control the abnormal power supply to reduce the output voltage on the basis of the present adjustment ratio reduced and the reference voltage. The solution of the present application can implement balanced output of N power supplies, ensuring that the N power supplies can work safely and reliably for a long time.
A support device (100), a stacked structure (1000), and an energy storage valve tower (2000). A first sliding portion (11) and a rolling support portion (12) are arranged on a connector (10) of the support device (100), and a sliding member (20) is supported on the first sliding portion (11) and the rolling support portion (12), the first sliding portion (11) being in sliding fit with the sliding member (20). The projection of the sliding travel of the sliding member (20) in a horizontal direction at least partially exceeds the projection range of a shielding structure (300) in the horizontal direction. In the support device (100) provided in the present solution, the sliding member (20) can bear an external structure (200) having a relatively heavy weight, so as to perform auxiliary movement, and the sliding member (20) can drive at least part of the external structure (200) to move beyond the projection range of the shielding structure (300) in the horizontal direction, thereby enabling a lifting operation of the external structure (200).
B66C 1/10 - Load-engaging elements or devices attached to lifting, lowering, or hauling gear of cranes, or adapted for connection therewith for transmitting forces to articles or groups of articles by mechanical means
39.
FAULT HANDLING METHOD AND DEVICE, AND READABLE STORAGE MEDIUM
The present application relates to the technical field of electronics, and provides a fault handling method and device, and a readable storage medium. The method comprises: receiving a fault notification sent when a first board in an embedded device fails; in response to the fault notification, determining a fault handling strategy corresponding to the first board; and then executing the fault handling strategy to handle the fault of the first board. In the fault handling method provided by the present application, fault handling tasks of a plurality of boards can be concentrated in one fault handling device, and therefore, it is simply necessary to provide the fault handling device with a fault handling function. Thus, during the configuration of the embedded device, it is simply necessary to perform corresponding configuration on the fault handling function of the fault handling device, thereby reducing the workload during the configuration, and improving the configuration efficiency.
The present application relates to a virtual synchronous control method and apparatus for an energy storage system, a device, and a storage medium. The method comprises: controlling an output voltage of a direct-current energy storage valve on the basis of an output electrical signal measurement value of a direct-current side of a voltage source converter and an output voltage reference value of the direct-current energy storage valve; further, controlling an output signal of an alternating-current side of the voltage source converter on the basis of a grid connection point electrical signal measurement value and a grid connection point electrical signal reference value of the voltage source converter. It can thus be seen that the embodiments of the present application implement a virtual synchronous control method independently controlling a voltage source converter and a direct-current energy storage valve in an energy storage system, so that the method can be applied to virtual synchronous control of a high-voltage direct-current direct-mounted energy storage system. In addition, by means of independently controlling the voltage source converter and the direct-current energy storage valve in the energy storage system, the voltage source converter does not need to be configured to take into account both direct-current side control and alternating-current side control, so that the complexity of a control loop of the voltage source converter can be simplified.
The present application relates to an organic compound, a solar cell, and a use thereof. The organic compound is as represented by formula (1): wherein Ar is selected from any one of a substituted or unsubstituted aromatic group the number of ring-forming atoms of which is 6-50, a substituted or unsubstituted heteroaromatic group the number of ring-forming atoms of which is 5-50, a group represented by formula (A), and a group represented by formula (B), wherein Ar' is selected from an electrically neutral organic group, and L is selected from an alkylene group the number of carbon atoms of which is 1-10; R1 is an oxyacid group; and n1 is selected from any integer of 1-3, and m1 is selected from any integer of 1-10. Alternatively, the organic compound is an oxyacid radical salt of the compound represented by formula (1). The organic compound can be used not only as a passivation material, but also as a hole transport material, and can improve the photoelectric conversion efficiency of a solar cell when being applied to the preparation of the solar cell.
C07F 9/6561 - Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom containing systems of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring or ring system, with or without other non-condensed hetero rings
The present application relates to a solar cell module and a preparation method therefor, a photovoltaic device, an electric apparatus, and a power generation apparatus. In two adjacent sub-cells, a conductor is connected to a conductive layer of one of the sub-cells, and at least part of the conductor protrudes out of at least one end of the conductor in a second direction. In this case, an electrode layer of the other sub-cell can be connected, outside the sub-cell, to the protruding portion of the conductor, so that series connection between the two sub-cells can be achieved outside the sub-cell. Two scribing operations that conventionally need to be carried out before the deposition of the electrode layer in order to achieve series connection are omitted, and only a cutting operation between the sub-cells needs to be carried out. According to the design, the conductor protrudes from at least one end of the conductive layer in the second direction, so that the two scribing operations before the series connection of the sub-cells can be omitted, thereby facilitating the implementation of a one-time cutting preparation mode, simplifying the preparation process, and improving the preparation efficiency. In addition, the omission of the two scribing operations before series connection can reduce the probability of the increase of series resistance between the sub-cells, thereby improving the performance of the module.
Disclosed in the embodiments of the present application are an ice melting device and a control method and apparatus therefor. The ice melting device comprises a rectifier circuit, a controller, and an energy storage circuit that can switch between a charging state and a discharging state, wherein a first end of the rectifier circuit is connected to a first end of the energy storage circuit, and a second end of the rectifier circuit is connected to a second end of the energy storage circuit; the first end of the rectifier circuit and the first end of the energy storage circuit are connected to one end of a power transmission line that comprises at least two ends, and the second end of the rectifier circuit and the second end of the energy storage circuit are connected to the other end of the power transmission line; and the controller is connected to the rectifier circuit and the energy storage circuit. By means of the ice melting device provided in the embodiments of the present application, the utilization rate of the ice melting device can be increased, and the manufacturing costs of the ice melting device can also be reduced.
H02J 7/02 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from AC mains by converters
44.
CONTROL METHOD, APPARATUS, COMPUTER DEVICE AND STORAGE MEDIUM
The present application relates to a control method, an apparatus, a computer device and a storage medium. The method comprises: acquiring a test current of a valve tower test circuit; and on the basis of the test current and a preset reference current, determining a modulation wave for each sub-module of a target valve tower in the valve tower test circuit, so as to control each sub-module in the valve tower test circuit on the basis of the modulation wave. By using the method, each sub-module in a valve tower test circuit can be controlled during a test.
The present application discloses a data decoding method and apparatus, an electronic device, and a storage medium. The method comprises: acquiring the clock rate of a single-channel clock; on the basis of the clock rate of the single-channel clock, sampling, at rising edges and falling edges of the single-channel clock, a data stream formed using Manchester encoding, and obtaining a plurality of pieces of sampling data; and decoding each piece of sampling data, and obtaining decoded data of the data stream. According to the data decoding method provided by embodiments of the present application, clock resources required to be occupied when the Manchester-encoded data is decoded can be reduced while improving the decoding efficiency.
Provided in the present application are an energy storage apparatus (100) and an energy storage valve tower (1000), the energy storage apparatus (100) comprising an electric cabinet module (10), a power module (20) and a current collection module (30), wherein the power module (20) and the current collection module (30) are detachably connected to an electric cabinet frame (11) of the electric cabinet module (10). In the energy storage apparatus (100) provided in the embodiments of the present application, when transportation is required, the power module (20) and the current collection module (30) can be detached from the electric cabinet frame (11) of the electric cabinet module (10), thus facilitating separate packaging and transportation of the power module (20), the current collection module (30) and the electric cabinet module (10). Compared with transporting as a whole, when separated, the power module (20), the current collection module (30) and the electric cabinet module (10) are lighter in weight than the complete energy storage apparatus (100) and can be separately transported, thereby effectively improving transportation convenience.
Disclosed in the present application are a data transmission scheduling method, a data transmission scheduling apparatus, an electronic device and a computer-readable storage medium. The method comprises: acquiring the priority of each sequence transmission task, and dividing each sequence transmission task into a priority queue corresponding to the priority thereof; determining a slot that corresponds to each priority queue and is in a current transmission period; and controlling each sequence transmission task to be executed in a slot corresponding to the priority queue to which the sequence transmission task belongs. By means of the solution in the present application, transmission tasks having different priorities can be rationally scheduled.
CONTEMPORARY AMPEREX FUTURE ENERGY RESEARCH INSTITUTE (SHANGHAI) LIMITED (China)
Inventor
Liang, Pengfei
Lu, Yanhua
Luo, Bingtuan
Su, Tan
Fan, Dashuai
Abstract
An energy storage control system includes a plurality of energy storage modules and a plurality of control apparatuses in one-to-one correspondence with the plurality of energy storage modules, where each control apparatus is connected to the corresponding energy storage module, and the energy storage module includes a battery unit and a power unit, the battery unit including at least one battery group. The control apparatus includes a sub-module controller and at least one battery management system in one-to-one correspondence with the at least one battery group, where each battery management system is connected to the corresponding battery group and the sub-module controller, and the sub-module controller is connected to the power unit.
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
H02J 1/08 - Three-wire systemsSystems having more than three wires
The present application relates to the technical field of power generation, power transformation and power distribution, and provides an MLVDS bus system and a control method therefor. The MLVDS bus system comprises an MLVDS data bus, a transceiving control arbitration line, an address bus, and a processor assembly; the processor assembly comprises two or more processor modules; each processor module comprises a processor unit, an MLVDS driving unit, a state transceiving unit, and an address bus processing unit; the MLVDS data bus is connected to the processor unit by means of the MLVDS driving unit; the transceiving control arbitration line is connected to the processor unit by means of the state transceiving unit; and the address bus is connected to the processor unit by means of the address bus processing unit. The MLVDS bus system can achieve the technical effect of high-speed and low-power-consumption MLVDS bus data communication.
The present application relates to a power supply switching circuit and method, and a power supply system. The power supply switching circuit comprises a first path, a second path, a first switch, and a voltage comparison circuit; a first end of the first path is a first power supply connecting end of the power supply switching circuit, one end of the second path is connected to a second power supply connecting end of the power supply switching circuit by means of the first switch, and a second end of the first path and the other end of the second path are both connected to a load connecting end of the power supply switching circuit; a third end of the first path and the second power supply connecting end are both connected to an input end of the voltage comparison circuit, and an output end of the voltage comparison circuit is connected to a control end of the first switch. Embodiments of the present application achieve a more flexible power supply switching mode, so that a first power supply can preferentially supply power to a load by means of the first path on the basis of a reliable load power supply voltage.
H02J 9/06 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over
51.
NEW ENERGY STORAGE SYSTEM, ENERGY STORAGE OPERATION METHOD AND APPARATUS THEREFOR, AND COMPUTER DEVICE
The present application relates to a new energy storage system, an energy storage operation method and apparatus therefor, a computer device, a storage medium, and a computer program product. A new energy power generation module, a power module and a battery module are integrated to build a new energy sub-module, and the power module and the new energy power generation module in the new energy sub-module are separately connected to a control apparatus, so as to build the modular new energy storage system.
A power storage cabinet (100) and an energy storage apparatus (1000). The power storage cabinet (100) comprises a cabinet body (1) and a door leaf (2). The cabinet body (1) is provided with a cabinet door outer frame (101). The door leaf (2) is provided with a door leaf outer frame (201). The cabinet door outer frame (101) is in sealed contact with the door leaf outer frame (201).
H01M 50/244 - Secondary casingsRacksSuspension devicesCarrying devicesHolders characterised by their mounting method
H01M 50/24 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
53.
ENERGY STORAGE SYSTEM, CONTROL METHOD FOR ENERGY STORAGE SYSTEM, COMPUTER DEVICE, AND STORAGE MEDIUM
The present application relates to an energy storage system, a control method for the energy storage system, a computer device, and a storage medium. The energy storage system comprises a controller, an energy storage circuit and a switching device; the controller is connected to the energy storage circuit and the switching device; the switching device comprises a first switching circuit, a second switching circuit and a third switching circuit; the energy storage circuit comprises a first energy storage sub-circuit and a second energy storage sub-circuit which are connected in series; the two ends of the first switching circuit are respectively connected to a negative electrode of the first energy storage sub-circuit and a positive electrode of the second energy storage sub-circuit; the two ends of the second switching circuit are respectively connected to a positive electrode of the first energy storage sub-circuit and the positive electrode of the second energy storage sub-circuit; and the two ends of the third switching circuit are respectively connected to the negative electrode of the first energy storage sub-circuit and a negative electrode of the second energy storage sub-circuit. According to the present application, the mode of switching the energy storage circuit on the basis of the switching device can reduce the installation and test workload of the energy storage system.
A new-energy energy storage sub-module and an operation method therefor, and an energy storage valve and an energy storage system comprising an energy storage valve and an operation method for the energy storage system.comprising the energy storage valve and an operation method of the energy storage system In a new-energy grid-connected system, new-energy assemblies are arranged in sub-modules in a distributed mode, such that a new-energy energy storage sub-module comprising a direct-current bus, a power module, an energy storage module, a first converter and a new-energy assembly is built, and the new-energy assembly is accessed as the new-energy energy storage sub-module to an energy storage system for operation. By means of modularizing new-energy assemblies, the impact of an individual fault of the new-energy assemblies on a new-energy grid-connected system can be reduced, that is, when a single new-energy assembly has a fault, a new-energy energy storage sub-module where the faulty new-energy assembly is located is removed, thereby reducing the impact on the operation of other new-energy assemblies, and increasing the operation time proportion of the new-energy grid-connected system, thus effectively improving the system availability of the new-energy grid-connected system.
H02J 3/38 - Arrangements for parallelly feeding a single network by two or more generators, converters or transformers
H02J 3/32 - Arrangements for balancing the load in a network by storage of energy using batteries with converting means
H02M 7/5395 - Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters with automatic control of output wave form or frequency by pulse-width modulation
55.
COMMUNICATION APPARATUS AND METHOD FOR INDUSTRIAL CONTROL SYSTEM
Provided in the present application are a communication apparatus and method for an industrial control system. In the communication apparatus, an initialization function block is responsible for initializing a device and applying for a shared memory area; a data-receiving function block and a data-sending function block complete the receiving and sending of communication data on the basis of the shared memory area; and a task transceiving framework is responsible for acquiring, by means of a driving device, data requiring to be received and writing the data into the shared memory area, and extracting from the shared memory area data requiring to be sent and sending the data by means of the driving device. Therefore, by means of the communication apparatus, which is based on an asynchronous transceiving mechanism, read/write of a driver is decoupled from data processing of an upper-layer communication function block, thereby enhancing the portability and maintainability of the industrial control system.
The present application provides an energy storage system, and a control method and apparatus therefor. In the control method for the energy storage system, for the energy storage system comprising a plurality of first sub-modules, when a second sub-module is configured into the energy storage system, the battery normalization scoring parameter of the second sub-module is acquired, and then on the basis of a preset score limit value, the second sub-module is controlled to be maintained at a configured state or the second sub-module is removed. The second sub-module is controlled on the basis of fully considering the battery capacity of the second sub-module, thereby achieving coordinated control for different sub-modules, fully testing the performance of a novel sub-module, and being conducive to the overall stable response of the system.
The present application relates to an energy-storage power-conversion series compensation system and a stability analysis method therefor, a damping controller, and an energy storage system, wherein a voltage signal on a capacitor arranged between an energy storage battery pack and a converter of the energy-storage power-conversion series compensation system can be collected, and whether an activation condition is met is determined based on the voltage signal; when the activation condition is met, an adaptive adjustment filter is activated to bring the damping controller into operation within the energy-storage power-conversion series compensation system. A voltage synchronization controller determines, on the basis of a sub-synchronous frequency band voltage signal output by the adaptive adjustment filter and an initial voltage signal, a required output phase angle signal corresponding to a pulse width modulation signal for controlling operation of the converter.
The present application relates to a perovskite solar cell and an electric apparatus comprising same, and a power generation apparatus. The perovskite solar cell comprises a first electrode, a second electrode and a functional layer, wherein the functional layer is arranged between the first electrode and the second electrode; and the functional layer comprises a perovskite layer and an organic compound layer which are stacked, the organic compound layer containing first organic compounds, and the first organic compounds having the structural characteristics shown in the following formula (I). The perovskite solar cell has high device efficiency and good stability.
CONTEMPORARY AMPEREX FUTURE ENERGY RESEARCH INSTITUTE (SHANGHAI) LIMITED (China)
Inventor
Lu, Yanhua
Yu, Dongxu
Luo, Bingtuan
Abstract
A grid connection control method of an energy storage apparatus, an energy storage control unit, an energy storage system, and a storage medium are provided and relate to the field of energy storage technologies, where the method includes: sequentially controlling energy storage units of energy storage sub-modules to be connected to corresponding voltage-sharing capacitors in a state in which a main energy transmission circuit is disconnected from a direct-current bus, so as to make the energy storage units pre-charge the corresponding voltage-sharing capacitors; and controlling the main energy transmission circuit to be connected to the direct-current bus under a condition that the voltage-sharing capacitor of each energy storage sub-module meets a voltage-sharing capacitor pre-charge completion condition.
The present application provides a cooling system (100), an energy storage system (1000) and an energy storage power station. The cooling system (100) comprises sealing structures (200), cooling structures (120) and a transmission pipeline (130); each cooling structure (120) is arranged in a corresponding sealing structure (200); the transmission pipeline (130) comprises a first pipe body (131) and a second pipe body (132), one end of the first pipe body (131) is used for inputting a cooling liquid, and the other end of the first pipe body is connected to the cooling structure (120); and the second pipe body (132) is sleeved on the portion of the first pipe body (131) located outside the sealing structure (200), and the second pipe body (132) is connected to the sealing structure (200). According to the cooling system (100) provided in the embodiment of the present application, the first pipe body (131) can be separated from the air, so that the probability of condensation forming on the first pipe (131) is low; moreover, the second pipe body (132) is less affected by the cooling liquid, so that condensation likewise does not easily form on the surface of the second pipe body (132).
An electric energy scheduling policy determination method and apparatus, and a computer device, a computer-readable storage medium and a computer program product. The method comprises: during the process of executing a first electric energy scheduling policy, acquiring real-time electric energy data; on the basis of the real-time electric energy data, determining whether to start a short-term scheduling policy; and when it is determined to start the short-term scheduling policy, determining and executing a second electric energy scheduling policy. On the basis of the scheme of the embodiments of the present application, the self-adaptive energy management that combines a long-term policy and a short-term policy is realized, and on this basis, the stability of a power grid can be improved, and the balance between power supply and power consumption within a power system can be maintained.
The present application relates to a table component processing method and apparatus, a computer device, a storage medium, and a computer program product. The method comprises: in response to a request to add a new function to a table component, acquiring configuration information of the newly added function of the table component; on the basis of the configuration information of the newly added function and a basic configuration file of the table component, obtaining an updated configuration file of the table component; and on the basis of the updated configuration file, calling the table component to generate a target table. By using the described method, the development efficiency of the table component can be effectively improved, and service development requirements in power systems can be met.
Disclosed in the present application are a solar cell and a preparation method therefor, and an electrical device. The solar cell comprises a light absorption layer, an interlayer and an electron transport layer, wherein the interlayer is located between the light absorption layer and the electron transport layer; and the interlayer comprises a polymer, the molecular weight of the polymer being greater than 10 kg/mol. By means of providing an interlayer between a light absorption layer and an electron transport layer, a reaction between the electron transport layer and the light absorption layer can be blocked, and defects on the surface of the light absorption layer can also be passivated, thereby reducing stray reflections, preventing the recombination of photon-generated carriers, and improving the efficiency of photoelectric conversion.
The present application discloses a self-assembled material, a solar cell, and an electric device. The solar cell comprises a light absorption layer and a passivation layer located on one side of the light absorption layer, wherein the passivation layer comprises a self-assembled material. Alternatively, the solar cell comprises a light absorption layer and a hole transport layer located on one side of the light absorption layer, wherein the hole transport layer comprises a self-assembled material. The self-assembled material comprises a first self-assembled molecular material, and the structural formula of the first self-assembled molecular material is formula (I). Ar represents an aryl group, Ar comprises at least one coordination atom, the coordination atom comprises unbonded lone pair electrons, and the coordination atom comprises one or more of a phosphorus atom, an arsenic atom, a sulfur atom, and a selenium atom. L comprises one or more of a carbon-containing group, a nitrogen-containing group, an oxygen-containing group, a silicon-containing group, a phosphorus-containing group, and a sulfur-containing group. The value of n ranges from 0 to 10. A comprises a hydrophilic group. The self-assembled material is used to perform passivation on the light absorption layer of the solar cell, so that a good passivation effect can be achieved.
Provided in the embodiments of the present application are a configuration method and apparatus, an electronic device and a storage medium. The method is applied to a first processing module, wherein the first processing module is in communication connection with a plurality of second processing modules, and each second processing module is in communication connection with a corresponding programmable module. The method comprises: acquiring target configuration data of a target programmable module corresponding to a target second processing module among the plurality of second processing modules; and sending the target configuration data to the target second processing module, so that the target second processing module uses the target configuration data to configure the target programmable module. After configuration data is updated, the updated configuration data can be issued to the target second processing module by means of the first processing module, without the need for a technician to update the configuration data on site. In addition, the first processing module can send configuration data to any programmable module by means of a second processing module, without the need for providing an additional device; thus, the method is applicable to a large system having a plurality of programmable modules.
The present application relates to a high-voltage direct-connected energy storage system, and a control method and device for an energy storage device. The high-voltage direct-connected energy storage system may comprise: a clamping circuit; an energy storage device, comprising a first energy storage trunk line, at least two energy storage submodules connected to the first energy storage trunk line, at least one dielectric branch, a first node arranged on the first energy storage trunk line, and a first grounding circuit connected to the first node, wherein the resistance value of the first grounding circuit is less than a preset resistance threshold; and a control device used for controlling, on the basis of an expected voltage of the energy storage device and measured voltages of the at least two energy storage submodules connected to the first energy storage trunk line, each target energy storage implementation submodule on two sides of the first node to be in an activated state. The embodiments of the present application can improve the voltage stability at two ends of the energy storage device, thereby facilitating the improvement of the operational reliability of components in the energy storage device.
The present application relates to an isolating switch system, an energy storage valve sub-module, and an energy storage system. An isolating switch device is provided with an opening switch and two or more opening coils for executing an opening function. The opening switch is connected to a first target isolating part and a second target isolating part, respectively; and the opening coils are respectively connected to a driving device. When the driving device detects that an opening condition is met, the driving device operates to connect the opening coils to a power supply, i.e., to control the opening coils to be powered on. In this case, an opening coil in a normal state is powered on, and when at least one opening coil implements successful opening and causes the opening switch to operate, the first target isolating part is disconnected from the second target isolating part.
The present application discloses a cooling structure (10), a power unit (100), an energy storage system (1000), and an electric device. The cooling structure (10) is applied to the power unit (100); the power unit (100) comprises power modules (1001) oppositely arranged on two sides of the cooling structure (10), and cooling requirements of the power modules (1001) on the two sides of the cooling structure (10) are different; the cooling structure (10) comprises a main plate (11); the main plate (11) comprises two side surfaces opposite to each other; the two side surfaces are each provided with a flow channel; the main plate (11) is provided with a connection portion (116) passing through the main plate (11); the flow channels on the two side surfaces are communicated by means of the connection portion (116). According to the cooling structure provided by the present technical solution, a liquid medium flows on the two sides by means of the connection portion, and uses the remaining cooling efficiency on one side to cool the device on the other side, so that the cooling functions provided by the two sides are more adapted to the actual cooling requirements of the devices on the two sides; thus, the cooling effect is improved, and the cooling efficiency of the liquid medium is fully utilized.
The present application relates to a control method and apparatus for an energy storage valve cooling system, a device, and a storage medium. The method comprises: obtaining a switching state of an operation mode of an energy storage valve in an energy storage valve system; and adjusting a working mode of an internal cooling device in an energy storage valve cooling system on the basis of the switching state. Therefore, in embodiments of the present application, the working mode of the internal cooling device in the energy storage valve cooling system is adaptively adjusted on the basis of the switching state of the operation mode of the energy storage valve, so that the cooling flow rate of the internal cooling device in the energy storage valve cooling system can be adapted to the heat generated during the operation of the energy storage valve, thereby reducing the power consumption of the energy storage valve cooling system and improving the operation efficiency of the energy storage valve cooling system and the energy storage valve system.
A power generating unit system (10) and a control method, an electronic device, and a storage medium. The power generating unit system (10) comprises: a new energy station (100), an energy storage power station (200), and a voltage coupling device (300). The new energy station (100) is connected to a first side (301) of the voltage coupling device (300), the energy storage power station (200) is connected to a second side (302) of the voltage coupling device (300), and a third side (303) of the voltage coupling device (300) is connected to an alternating-current bus. A zero-carbon power generating unit is implemented, the topological form is simple and the universality is high.
The present application belongs to the technical field of power electronics. Provided are a battery-management-system power supply circuit of an energy storage system, and an energy storage valve and an energy storage station. When an energy storage sub-module (10) where battery management systems in the battery-management-system power supply circuit are located works normally, and when the energy storage sub-module (10) where the battery management systems are located is bypassed, an energy storage sub-module (10'), other than the energy storage sub-module (10) where the battery management systems are located, is selected to supply power to the battery management systems, such that the problem of battery modules (Bat) in the bypassed energy storage sub-module (10) being over-discharged due to continuous consumption caused by the battery management systems is ameliorated. Furthermore, all the battery management systems in the energy storage sub-module (10) are further controlled to be powered by batteries of electric cabinets (100) where the battery management systems are located, such that electric quantities of the electric cabinets (100) in the same energy storage sub-module (10) are uniform.
H02J 9/06 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
72.
SIMULATION TEST METHOD AND SIMULATION TEST PLATFORM FOR ENERGY-STORAGE BATTERY MANAGEMENT SYSTEM
The present application relates to a simulation test method and simulation test platform for an energy-storage battery management system. The method comprises: receiving an energy-storage system real-time simulation result that is sent by an energy-storage system real-time simulation module by means of a high-speed communication protocol; converting a data format of the energy-storage system real-time simulation result into a data format of a target communication protocol, and sending to a battery management control module a target energy-storage system real-time simulation result that is obtained after conversion; receiving a battery management control message that is sent by the battery management control module in response to the target energy-storage system real-time simulation result; and converting a data format of the battery management control message into the data format of the target communication protocol, and sending to the energy-storage system real-time simulation module a target battery management control message that is obtained after conversion, thus making the energy-storage system real-time simulation module perform a test on the battery management control module on the basis of the battery management control message. By using the present method, the simulation test efficiency of an energy-storage battery management system can be improved.
The present application relates to the technical field of energy storage. Disclosed are an energy storage module control method, an apparatus, a device, a system and an energy storage module. The energy storage module control method comprises: acquiring a bus current of an energy storage module and available currents of a plurality of battery branches connected in parallel in the energy storage module; and, according to the bus current and the available currents of the battery branches, controlling a target number of battery branches, among the plurality of battery branches, to be put into use. In the embodiments of the present application, according to the bus current and the available currents of the battery branches, a target number of battery branches among the plurality of battery branches can be controlled to be put into use, so as to actively distribute the bus current to the target number of battery branches, thus implementing active distribution of the bus current and reducing the current ripple in the battery branches. Moreover, the present application can enable the battery branches that are put into use to operate under conditions close to the available currents, thus improving the utilization rate of the battery branches.
The present application is applicable to the technical field of energy storage devices, and provides a combiner cabinet (100), a clamping circuit, and an energy storage system. The combiner cabinet comprises: a cabinet body (10); a first mounting cavity (20) used for accommodating a current interference source (50) and/or an electromagnetic interference source (60); a second mounting cavity (30) provided on one side of the first mounting cavity; and a third mounting cavity (40), wherein the third mounting cavity (40) and the first mounting cavity are respectively arranged on different sides of the second mounting cavity, and the third mounting cavity is used for accommodating a control module (70). According to the combiner cabinet provided by the present application, the first mounting cavity and the third mounting cavity are separated by means of the second mounting cavity, thereby reducing the interference formed by the current interference source and the electromagnetic interference source to the control module, and improving the stability of the combiner cabinet.
Provided in the present application are a communication method, a board, an energy storage valve control system and a storage medium. The method comprises: by means of a first process, starting a source port corresponding to the first process, acquiring a first communication channel identifier, and on the basis of the first communication channel identifier, writing first data into a first shared space; by means of an inter-board communication proxy, starting destination ports corresponding to the inter-board communication proxy, acquiring the first communication channel identifier, and on the basis of the first communication channel identifier, reading the first data from the first shared space; by means of the inter-board communication proxy, writing in the first data port numbers of the destination ports corresponding to the inter-board communication proxy, so as to generate first target data; by means of the inter-board communication proxy, sending the first target data to a drive layer; and by means of the drive layer, driving at least one physical communication interface of a board to send the first target data to a physical communication interface of at least one other board. The inter-board communication mode provided by the present application is transparent to users, and have good transportability, expandability and flexibility.
ELECTRIC-POWER SECONDARY CONTROL PROTECTION APPARATUS BASED ON POWERVPX ARCHITECTURE, AND ELECTRIC-POWER SECONDARY DEVICE BASED ON POWERVPX ARCHITECTURE
Provided in the present application are an electric-power secondary control protection apparatus based on a PowerVPX architecture, and an electric-power secondary device based on a PowerVPX architecture. A backplane of the electric-power secondary control protection apparatus comprises: a power source connector, which is connected to a power source bus; a first data connector, which is connected to a single-end signal transmission bus; a second data connector, which is connected to a differential signal transmission bus; and a third data connector, which is connected to a high-speed signal transmission bus. A first data connector, a second data connector and a third data connector are provided inside a backplane, such that the data transmission bandwidth of the backplane of an electric-power secondary control protection apparatus is improved, thereby improving the data exchange capability of the electric-power secondary control protection apparatus. An electric-power secondary device based on a PowerVPX architecture is further provided, wherein the PowerVPX architecture comprises five planes, i.e., a power source plane, an electrical plane, a data plane, a protection plane and a control plane, which effectively unifies the connection standards between electric-power secondary devices, thereby improving the compatibility and expandability of the electric-power secondary devices.
H02J 13/00 - Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the networkCircuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
77.
DATA COMMUNICATION METHOD AND APPARATUS, AND ELECTRONIC DEVICE, STORAGE MEDIUM AND SYSTEM
Provided in the present application are a data communication method and apparatus, and an electronic device, a storage medium and a system. The method comprises: acquiring a data block of an application program, wherein the data block comprises communication data and communication driver information; after the data block is acquired, storing the data block in a data block queue; and according to a scheduling policy, sending, to a target communication driver corresponding to the communication driver information, the communication data corresponding to the data block in the data block queue. In the embodiments of the present application, uniform scheduling is performed on data which is generated by an application program and needs to be transmitted, such that the stability of data transmission is improved, thereby improving the stability of system operation.
A perovskite solar cell and a preparation method therefor, a photovoltaic module, a system, and an electric device. The perovskite solar cell comprises a transparent electrode layer, and a perovskite layer, an electron transport layer, and a metal electrode which are sequentially arranged on the transparent electrode layer; the electron transport layer comprises an organic electron transport material, a first additive, and a second additive; the first additive comprises one or more of poly(methyl methacrylate), a methacrylic acid-methyl methacrylate copolymer, a 4-vinylpyridine-styrene copolymer, polyacrylonitrile, and poly(4-vinylpyridine); and the second additive comprises one or more of a compound of formula I and a compound of formula II. The perovskite solar cell has high photoelectric conversion efficiency and good stability.
The present application relates to a solar cell and a preparation method therefor, a photovoltaic module, a system and an electric device. The solar cell comprises a first electrode layer, an electron transport layer, an interface passivation layer, a perovskite light absorption layer and a second electrode layer which are stacked. The interface passivation layer comprises an ionic polymer passivator, a backbone atom of the ionic polymer passivator is linked to at least one substituent R1, R1 comprises a positively charged nitrogen heterocyclic ring, and the ionic polymer passivator further comprises an anion X combined with the positively charged nitrogen heterocyclic ring.
Provided in the embodiments of the present application are a battery state-of-health estimation method, an electronic device and a computer-readable storage medium. The battery state-of-health estimation method comprises: acquiring historical operation condition data of a battery module under test; according to the historical operation condition data, performing parameter identification on battery parameters of the battery module, so as to obtain an identification result; and according to the identification result, predicting the state of health of a battery in the battery module. By means of the method, the estimation precision of the state of health of a battery can be effectively improved.
G01R 31/392 - Determining battery ageing or deterioration, e.g. state of health
G01R 31/36 - Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
81.
COMPOUND, PEROVSKITE SOLAR CELL AND ELECTRIC DEVICE
The present application relates to a compound, a perovskite solar cell and an electric device. The compound provided in the present application is applied to a hole transport layer and a perovskite layer of a perovskite solar cell or between the two layers; and a chain structure of a thiophene group or a chain structure of a benzothiophene group is used as the backbone of the compound, and an electron-rich group or an electron-withdrawing group is connected to the chain structure by means of a C0-C8 alkane group. The compound can match perovskite materials having a variety of energy levels when being applied to a perovskite solar cell.
An energy storage valve sub-module testing method, apparatus and system, a computer device, a storage medium, and a computer program product. The method comprises: using an auxiliary test sub-module and a test object sub-module to build a mutual-testing architecture, and using the auxiliary test sub-module to charge the test object sub-module (step 102); obtaining charging state parameters of the test object sub-module in the charging process (step 104); and performing analysis to obtain the operating state of the test object sub-module (step 106).
G01R 31/00 - Arrangements for testing electric propertiesArrangements for locating electric faultsArrangements for electrical testing characterised by what is being tested not provided for elsewhere
83.
OPERATION CONTROL METHOD AND APPARATUS FOR CONVERTER IN GRID-CONNECTED SYSTEM, AND CONVERTER
The present application is applicable to the technical field of power systems. Provided are an operation control method and apparatus for a converter in a grid-connected system, and a converter. The method comprises: during the process of running a first control algorithm, if a first operation mode switching instruction is received, acquiring an actual value of a target electrical parameter of a power system, wherein the target electrical parameter corresponds to a target state variable in a second control algorithm; stopping running the first control algorithm, setting an initial value of the target state variable to be the actual value of the corresponding target electrical parameter, and starting to run the second control algorithm. In this way, smooth switching of a control algorithm can be realized, a transient impact on a power grid when a converter is switched between different control algorithms is reduced, and the stability of a power system is improved.
The present application relates to a visual programming implementation method and apparatus for a programmable logic device, a computer device, a storage medium, and a computer program product. The method comprises: obtaining logic association configuration data and data path configuration data of a programmable logic device; and on the basis of the data path configuration data and the logic association configuration data, establishing mapping between a physical layer and a logic layer of the programmable logic device, wherein the logic layer comprises a plurality of instantiated logic blocks, and the data path configuration data is obtained by transforming, by a connected embedded platform, initial data path configuration data generated by a visual development platform. By using this method, decoupling and configurability of the physical layer and the logic layer can be achieved, improving the data updating efficiency; moreover, the method can be applied to engineering sites having complex and changeable function requirements, and has greater flexibility and versatility.
The present application relates to an energy storage valve sub-module and an operation method thereof, an energy storage valve device, and an energy storage system. A battery bus connected to a battery module and a capacitor is further connected to a bus power supply module. The bus power supply module is further connected to a control module. A load power supply module can obtain energy from at least one of the capacitor, the battery bus and the battery module, and finally supply power to the control module by means of the bus power supply module and the load power supply module.
H02J 9/06 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over
86.
ENERGY STORAGE VALVE SUB-MODULE, ENERGY STORAGE VALVE AND ENERGY STORAGE STATION
The present application belongs to the technical field of power electronics. Provided are an energy storage valve sub-module (100), an energy storage valve and an energy storage station. By means of a switch module (130), the energy storage valve sub-module (100) may disconnect a power module (120) from an electrical connection to the energy storage module (110), so as to form electrical isolation, such that the power module (120) is electrically disconnected from the energy storage module (110), thus eliminating the presence of a leakage current when components other than the energy storage module (110) in the energy storage valve are overhauled, and ensuring the personal safety of overhauling staff. By the same reasoning, when an energy storage module (110) side of the energy storage valve has a non-severe failure, insofar as the energy storage valve is locked, using the switch module (130) to separate the energy storage module (110) from a system will not affect the safe operation of the whole machine, thus effectively improving the availability of the system.
Disclosed in the present application are a perovskite material and a preparation method therefor, a photoelectric device and an electric device. The perovskite material provided in the present application comprises a perovskite crystal and a hindered Lewis acid-base pair bonded to the perovskite crystal, wherein the hindered Lewis acid-base pair comprises a Lewis acid and a Lewis base, the Lewis acid comprises a three-coordination boron compound, and the Lewis base comprises at least one of a three-coordination nitrogen compound and a three-coordination phosphorus compound. By virtue of the hindered Lewis acid-base pair, the perovskite material of the present application has both a Lewis acid and a Lewis base, such that the hindered Lewis acid-base pair can be used for passivating two defects of a perovskite grain boundary, namely under-coordinated anions and under-coordinated cations; therefore, such a perovskite material has very good conversion efficiency and stability.
The present application relates to an energy storage valve sub-module and an energy storage system. An resistor-inductor-capacitor damping circuit is provided in parallel between a power conversion module and an energy storage module of the energy storage valve sub-module. In an operation process of the energy storage valve sub-module, by means of the resistor-inductor-capacitor damping circuit, it is possible to suppress underdamped oscillation between the power conversion module and the energy storage module.
The present application discloses an energy storage apparatus, a power supply system, and an electronic device. A first potential fixing apparatus is disposed in a first communication area between a main pipe and a branch pipe, and the first potential fixing apparatus is electrically connected to a first connecting port or a second connecting port of a power module, thereby introducing the potential of the first connecting port or the second connecting port of the power module into a cooling medium in the main pipe, so that the difference in potential between different potential points in the energy storage apparatus is limited within a small voltage range, thus achieving the object of more uniform potential distribution in the entire energy storage apparatus, and reducing the impact of potential difference concentration in the branch pipe on internal discharge of the branch pipe.
Provided are a perovskite thin film and a preparation method therefor, a perovskite cell and an electric device. The perovskite thin film comprises: a perovskite substrate layer; and a plurality of nano-protrusions, which are distributed at intervals on at least one surface of the perovskite substrate layer.
H10K 30/40 - Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation comprising a p-i-n structure, e.g. having a perovskite absorber between p-type and n-type charge transport layers
Provided in the present application are a solar cell and a preparation method therefor, and an electric device. The solar cell comprises a substrate, a conductive layer, a gate line layer, a perovskite functional layer and an electrode layer, wherein the conductive layer has conductive portions, and there is a first gap between the conductive portions; the gate line layer comprises several gate lines; the perovskite functional layer comprises functional portions, and there is a second gap between the functional portions; each gate line is located between an adjacent first gap and second gap; and the electrode layer comprises several electrodes, which are electrically connected to the gate lines.
A testing tool for an energy storage valve control apparatus, an accelerated life test method and apparatus based on a testing tool for an energy storage valve control apparatus, a computer device, a storage medium and a computer program product. The tool comprises: a hardware module (200) provided with a plurality of function simulation and transceiving interfaces, wherein the function simulation and transceiving interfaces (220) are correspondingly connected to function interfaces of an energy storage valve control apparatus under test, and are used for simulating behaviors of external interfaces of said energy storage valve control apparatus, and receiving and transmitting test state data, alarm data and degradation data which are fed back by said energy storage valve control apparatus during an accelerated life test. The testing tool can support accurate test evaluation of an energy storage valve control apparatus under test. Further provided are an accelerated life test method based on a testing tool for an energy storage valve control apparatus, by means of which accurate test evaluation of an energy storage valve control apparatus under test can be implemented.
A support structure (100) and a valve tower (200). The support structure (100) comprises a plurality of layers of supports (10), each support (10) comprises a support frame (11) and a plurality of columns (12), a placement space (111) is formed in the support frame (11), and the plurality of columns (12) are spaced in the placement space (111) and are all connected to the support frame (11). The support frame (11) can stably support a plurality of devices in the placement space (111).
H05K 7/14 - Mounting supporting structure in casing or on frame or rack
B65D 6/08 - Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal, plastics, wood or substitutes therefor of skeleton or like apertured construction, e.g. made of interwoven or intermeshing flexible material
94.
ENERGY STORAGE VALVE OPERATION CONTROL METHOD AND APPARATUS, AND ENERGY STORAGE SYSTEM AND COMPUTER DEVICE
The present application relates to an energy storage valve operation control method and apparatus, and an energy storage system, a computer device, a storage medium and a computer program product. When an energy storage valve needs to exit operation, a branch current of the energy storage valve is gradually controlled to decrease. During this process, a power change amount of the energy storage valve is acquired in real time, and the acquired power change amount is sent to a sending-end voltage source converter valve, such that the sending-end voltage source converter valve can adjust the output power of the sending-end voltage source converter valve itself at any time according to the power change amount of the energy storage valve, thereby maintaining the stability of the output power of the sending-end voltage source converter valve. Finally, when the branch current drops to meet a preset current condition, the connection between the energy storage valve and a power grid is cut off.
A data processing method implemented based on a data processing system. The data processing system includes an access layer, a configuration layer, and a data layer. The method includes: accessing, through the access layer, data under processing; obtaining, through the access layer, a message parsing script set by the configuration layer, and converting the data under processing into standard data; and obtaining, through the data layer, a device model set by the configuration layer, and mapping the standard data to a data table corresponding to the device model.
The present application discloses an amphiphilic molecule, a preparation method therefor and a use thereof. The chemical structural general formula of the amphiphilic molecule provided by the present application is shown as formula I: wherein R comprises a Lewis base group, X comprises at least one of a hydrogen atom and a halogen atom, and n is an integer greater than or equal to 0. The amphiphilic molecule of the present application has both a Lewis acid group and a Lewis base group, such that the amphiphilic molecule can be used for passivating two defects of perovskite grain boundaries, namely, under-coordinated anions and under-coordinated cations, and therefore, use of such an amphiphilic molecule in a perovskite material can significantly improve the conversion efficiency and stability of perovskite.
C07D 401/04 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings directly linked by a ring-member-to-ring- member bond
C07D 401/06 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
C07D 405/04 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings directly linked by a ring-member-to-ring- member bond
C07D 405/06 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
C07D 409/04 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings directly linked by a ring-member-to-ring- member bond
H01L 31/042 - PV modules or arrays of single PV cells
H01L 31/04 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof adapted as photovoltaic [PV] conversion devices
97.
AMPHIPATHIC MOLECULE, AND PREPARATION METHOD THEREFOR AND USE THEREOF
12345123455 are not hydrogen at the same time; and n is an integer greater than or equal to 1. The amphipathic molecule of the present application has both a Lewis acid group and a Lewis base group, and such an amphipathic molecule can be used for passivating two defects of a perovskite grain boundary, namely under-coordinated anions and under-coordinated cations; thus, the amphipathic molecule can significantly improve the conversion efficiency and stability of perovskite when being used in a perovskite material.
A phosphorus-containing passivator, a perovskite solar cell, a photovoltaic module, a photovoltaic system and an electrical apparatus. The phosphorus-containing passivator comprises an ionic compound, the ionic compound comprising a cationic group, and the cationic group having a structure as shown in a formula (I): A-L-B (I), in which A represents an organophosphorus group with a lone pair, B represents an organophosphorus salt group with positive charges, and L represents a linking group between the organophosphorus group and the organophosphorus salt group. The lone pair of the organophosphorus group can form a relatively strong P-Pb coordination bond with coordinatively unsaturated lead ions in a bulk phase and/or at upper and lower interfaces of a perovskite light-absorbing layer, thereby passivating defects of undercoordinated lead ions. In addition, the organophosphorus salt group can form low-dimensional perovskite at the upper and lower interfaces of the perovskite layer, thereby passivating the interfaces of the perovskite layer, and suppressing migration of ions. In this way, the cooperation of the organophosphorus group and the organophosphorus salt group can improve the photoelectric properties and stability of perovskite solar cells.
The present application relates to an energy storage valve submodule and a high-voltage directly-connected energy storage system. A suppression circuit for underdamped oscillation is added in the energy storage valve submodule, the suppression circuit is connected in series to a first capacitor, and a resistance-capacitance branch formed by connecting the suppression circuit and the first capacitor in series is connected in parallel to a power conversion unit and an energy storage unit, respectively. The suppression circuit can suppress, by adjusting the resistance value of impedance in the energy storage valve submodule, underdamped oscillation current generated by the energy storage valve submodule when a switching state is switched, so that the underdamped oscillation current generated by the energy storage valve submodule when the switching state is switched is reduced, that is, the damage to the energy storage valve submodule caused by the underdamped oscillation current is reduced, thereby improving the reliability of the energy storage valve submodule.
The present application is applied to the technical field of tests. Provided are a test method and apparatus, and a device and a storage medium. The method comprises: acquiring fault configuration information; generating a test communication message on the basis of the fault configuration information, and sending the test communication message to a valve control and protection apparatus; acquiring feedback information sent by the valve control and protection apparatus on the basis of the test communication message; and analyzing the feedback information to obtain a test analysis result, and displaying the test analysis result.
G01R 31/00 - Arrangements for testing electric propertiesArrangements for locating electric faultsArrangements for electrical testing characterised by what is being tested not provided for elsewhere
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