An AC battery system is provided herein and comprises a plurality of microinverters, a first battery pack comprising a first plurality of battery cells and a second battery pack comprising a second plurality of battery cells. Each of the first plurality of battery cells and the second plurality of battery cells are connected to the plurality of microinverters via a first bus and a second bus comprising a respective first semiconductor switch and a second semiconductor switch, and a controller operatively connected to the plurality of microinverters and the first plurality of battery cells and the second plurality of battery cells and configured to control the plurality of microinverters to at least one of open or close the first semiconductor switch and the second semiconductor switch based on a voltage and an impedance of a first cell of the first plurality of battery cells and a first cell of the second plurality of battery cells.
A busbar configured to transport current between two locations in an electrical system is provided herein and comprises a connection extending from the busbar parallel to a direction of current flow and configured so that a thermal interface material of the connection contacts a heat sink when the heat sink is secured to the connection.
An energy storage system is provided and comprises a battery enclosure comprising a battery module and configured to couple to a conduit for coupling to another battery enclosure of the energy storage system such that hot gases are allowed to expand from the battery enclosure to the another battery enclosure via the conduit, or vice versa, during thermal runaway.
A load center configured for use with an energy management system is provided herein and comprises a main panel board configured to connect to a meter that measures energy consumed by a microgrid and a microgrid interconnect device disposed on the main panel board and configured to connect/disconnect the microgrid to/from a grid.
H02J 3/38 - Arrangements for parallelly feeding a single network by two or more generators, converters or transformers
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
5.
METHODS AND APPARATUS FOR CONTROLLING SWITCHING IN POWER CONVERTERS
A switch of a bridge configured for use with a power converter is provided herein. The switch comprises multiple Gate drivers coupled to corresponding Gates and configured to coordinate a start-up of the multiple Gate drivers for driving output Gate signals to the corresponding Gates when a common start-up signal having a first frequency and a second signal having a second frequency different from the first frequency is provided to the multiple Gate drivers.
H02M 1/08 - Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
H02M 7/53 - 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
Apparatus for short circuit prevention in a battery storage system comprising a thermally activated disconnect device or material positioned in a conductive path between a sensing printed circuit board trace and a battery storage cell terminal, where the thermally activated disconnect device or material opens the conductive path when an ambient temperature rises above a threshold level. A method of operation of the apparatus is also disclosed.
H01M 50/581 - Devices or arrangements for the interruption of current in response to temperature
H01M 50/569 - Constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals
H02H 5/04 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
A method for predicting an available power in an energy management system is provided herein and comprises querying a power conditioning unit (PCU) connected to a load in the energy management system for power conditioning unit (PCU) data, receiving the power conditioning unit (PCU) data from the power conditioning unit (PCU) at a controller of the energy management system, and predicting an available unused power of a photovoltaic in a photovoltaic system (PV) based on the power conditioning unit (PCU) data.
H02J 7/35 - Parallel operation in networks using both storage and other DC sources, e.g. providing buffering with light sensitive cells
H02J 3/00 - Circuit arrangements for ac mains or ac distribution networks
H02J 3/14 - Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by switching loads on to, or off from, network, e.g. progressively balanced loading
H02J 3/38 - Arrangements for parallelly feeding a single network by two or more generators, converters or transformers
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H02S 40/32 - Electrical components comprising DC/AC inverter means associated with the PV module itself, e.g. AC modules
H02S 50/00 - Monitoring or testing of PV systems, e.g. load balancing or fault identification
8.
SYSTEM ESTIMATOR WITH LOAD OPERATION SCHEDULING FOR AN ENERGY GENERATION AND/OR STORAGE SYSTEM
A method and apparatus for generating at least one operation schedule for at least one load connected to a system including an energy generation system, an energy storage system, or both. The method and apparatus initially estimate the system performance based upon system design and operational variables. A load operation schedule is adjusted to improve system performance and the adjusted load operation schedule is used to control at least one load.
A method for controlling power converters in an energy management system is provided and comprises calculating an average AC voltage value, calculating a magnitude of a difference between the average AC voltage value and a current AC voltage in a cycle of operation of the power converters, determining if the calculated magnitude exceeds a threshold, and if the calculated magnitude exceeds the threshold, adding an extra cycle of delay without producing power so that the power converters are desynchronized.
H02M 1/32 - Means for protecting converters other than by automatic disconnection
H02J 3/12 - Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
10.
SMART PACKAGING AND INVENTORY CONTROL FOR BATTERIES CONFIGURED FOR USE WITH ENERGY MANAGEMENT SYSTEMS
An apparatus for smart packaging and inventory control is provided herein and comprises a housing comprising a lid configured to be opened and closed to allow a battery to be loaded and unloaded to and from the housing and a controller configured to monitor at least one of a battery state of health or a battery state of charge when the battery is disposed in the housing and display the state of health or the state of charge of the battery via an indicator on the housing.
H01M 50/202 - Casings or frames around the primary casing of a single cell or a single battery
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]
G01R 31/382 - Arrangements for monitoring battery or accumulator variables, e.g. SoC
G01R 31/392 - Determining battery ageing or deterioration, e.g. state of health
G01R 31/396 - Acquisition or processing of data for testing or for monitoring individual cells or groups of cells within a battery
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
A method for battery cell balancing is provided and comprises determining a capacity of battery cells in a battery pack and at least one of charging or discharging a battery cell from or to an intermediate storage which in turn transfers energy from a charging source or to a load to balance a state-of-charge/voltage of the battery cells.
A cycloconverter configured for use with a power converter is provided and comprises a bidirectional switch comprising a first gate and a second gate is configured such that in an off mode of the bidirectional switch a polarity and a magnitude of a blocking voltage imposed across the bidirectional switch determines a driving sequence of the first gate and the second gate.
H02M 7/797 - Conversion of AC power input into DC power outputConversion of DC power input into AC power output with 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
H02M 1/08 - Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
A battery cell management system configured for use with a battery pack is provided and comprises a plurality of battery cells connected to a primary winding of a transformer, an auxiliary battery, and a DC to DC converter comprising an input connected to an output of the auxiliary battery and an output connected to a controller of the battery cell management system for providing power from the auxiliary battery to the controller to drive the battery cell management system.
A method for providing protection for electric vehicle supply equipment (EVSE) and electric vehicle (EV) chargers is provided herein. The method comprises calculating a grid stress, comparing a calculated grid stress with a requested EV power and selecting a minimum of the calculated grid stress or the requested EV power, and transmitting the minimum to the EV for setting a charging threshold of the EV to ensure that EV charging does not stress the grid and/or implement a disconnect function within the EVSE, by opening a relay, to ensure that EV charging does not stress the grid.
B60L 53/62 - Monitoring or controlling charging stations in response to charging parameters, e.g. current, voltage or electrical charge
B60L 53/66 - Data transfer between charging stations and vehicles
H04L 25/49 - Transmitting circuitsReceiving circuits using code conversion at the transmitterTransmitting circuitsReceiving circuits using predistortionTransmitting circuitsReceiving circuits using insertion of idle bits for obtaining a desired frequency spectrumTransmitting circuitsReceiving circuits using three or more amplitude levels
15.
LOW VOLTAGE BYPASS FOR EXTREME LOW AC VOLTAGE RIDE THROUGH
Methods and apparatus configured for low voltage ride through is provided herein. For example, apparatus can comprise a low voltage bypass section connected to power supply side of a relay and configured to maintain the relay in an operable state when an external grid event occurs by charging a capacitor that is configured to supply power to the relay during the external grid event.
H02M 1/08 - Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
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
16.
INTELLIGENT OPTIMIZATION ENGINE CONFIGURED FOR USE WITH AN ENERGY MANAGEMENT SYSTEM
A method for managing an energy management system is provided herein. For example, the method can comprise formulating an optimization model with respect to objectives and optimization settings, modifying the optimization settings based on a user input in real-time, performing optimization using modified optimization settings; displaying the results of the optimization to the user, and if the results of the optimization are satisfactory, controlling at least one of a DER, loads, or power to battery systems using the results of the optimization, otherwise repeating modifying optimization settings based on a different user input in real-time.
G06Q 10/04 - Forecasting or optimisation specially adapted for administrative or management purposes, e.g. linear programming or "cutting stock problem"
17.
RESONANT TRANSFORMERS WITH CALIBRATABLE FLUX-SHUNT
The present disclosure provides a transformer configured for use with a power converter of an energy management system. For example, the transformer comprises an adjustable flux-shunt configured to be positioned onto an inner round limb of a core half and rotated around the inner round limb to obtain an adequate leakage inductance corresponding to a set position of the adjustable flux-shunt.
The present disclosure provides a full inductor core configured for use with a power converter of an energy management system. For example, the full inductor core comprises a first planar inductor comprising a first inner core and a first outer core and a second planar inductor disposed on top of the first planar inductor and comprising a second inner core and a second outer core. The first inner core and first outer core and the second inner core and second outer core each have a sawtooth configuration that allows the full inductor core to be tuned during assembly of the full inductor core.
H01F 21/06 - Variable inductances or transformers of the signal type continuously variable, e.g. variometers by movement of core or part of core relative to the windings as a whole
H01F 1/42 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of organic or organo-metallic materials
A method for taking EIS measurements in a storage system is provided herein. For example, the method can comprise performing EIS on a first battery in a storage system and providing power at a varying frequency to the first battery from a second battery connected to the first battery to maintain the first battery at a steady state.
The present disclosure provides an energy storage system. For example, an energy storage system a chassis; a battery module comprising a plurality of battery cells and a thermal interface material disposed between a wall of the chassis and the plurality of battery cells such that if a temperature within the chassis is less than a predetermined temperature, the thermal interface material transfers heat to the wall of the chassis, and if the temperature within the chassis is equal to or greater than the predetermined temperature, the thermal interface material creates a thermal barrier that blocks heat from a hotter cell of the plurality of battery cells to the ambient and to other cells of the plurality of battery cells.
H01M 10/627 - Stationary installations, e.g. power plant buffering or backup power supplies
H01M 10/617 - Types of temperature control for achieving uniformity or desired distribution of temperature
H01M 10/653 - Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
H01M 10/658 - Means for temperature control structurally associated with the cells by thermal insulation or shielding
H01M 10/655 - Solid structures for heat exchange or heat conduction
H01M 50/251 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders specially adapted for stationary devices, e.g. power plant buffering or backup power supplies
H01M 50/204 - Racks, modules or packs for multiple batteries or multiple cells
The present disclosure provides an energy storage system. For example, an energy storage system comprises a monolithically formed chassis configured to house a battery cell and having defined thereon at least one of a vent/vapor channel or cooling fins, wherein the vent/vapor channel is defined in an interior of the chassis and is configured for fluid communication with a valve assembly to allow vented gas to pass through the vent/vapor channel and out of the chassis, and wherein the cooling fins are defined on an exterior of the chassis and are configured to provide at least one of active or passive cooling.
H01M 10/6551 - Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
H01M 50/209 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
H01M 50/298 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by the wiring of battery packs
H01M 50/519 - Interconnectors for connecting terminals of adjacent batteriesInterconnectors for connecting cells outside a battery casing comprising printed circuit boards [PCB]
H02J 3/38 - Arrangements for parallelly feeding a single network by two or more generators, converters or transformers
22.
STORAGE SYSTEM CONFIGURED FOR USE WITH AN ENERGY MANAGEMENT SYSTEM
A storage system configured for use with an energy management system is provided. For example, a storage system comprises a battery; a microinverter coupled to the battery; and a chassis comprising a metal backing plate and at least one of an outer metal barrier or an inner metal barrier connected to a metal backing plate, the chassis configured to house the battery and the microinverter in an assembled configuration.
H01M 50/251 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders specially adapted for stationary devices, e.g. power plant buffering or backup power supplies
H01M 50/691 - Arrangements or processes for draining liquids from casingsCleaning battery or cell casings
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
A photovoltaic system is provided herein and comprises an array of photovoltaic modules, a plurality of microinverters coupled to the array of photovoltaic modules, and a controller configured to disconnect a primary microinverter from a microgrid during MPP curve sweep analysis, perform the MPP curve sweep analysis for the primary microinverter, and shift a pre-sweep load of the primary microinverter to other microinverters in the array of photovoltaic modules.
A storage system configured for use with an energy management system is provided and comprises a chassis comprising a plurality of slots configured to house a plurality of batteries and corresponding battery management units and a plurality of bi-directional inverters such that a user can selectively add/remove either a battery of the plurality of batteries or a bi-directional inverter of the plurality of bi- directional inverters to obtain at least one of a predetermined amount of KWh, KW, or C-rate.
An electric vehicle supply equipment system for electric vehicle charging/discharging is provided and comprises an electric vehicle supply equipment that is connectable to a distributed energy resource for charging/discharging a battery of an electric vehicle and a controller in operative communication with at least one of a communication network, an electronic device of the electric vehicle, or a distributed energy resource controller for transmitting and receiving electric vehicle supply equipment information that provides the EVSE with a capability to directly (e.g., using current measurement inputs) or indirectly (e.g., using communication protocols to a remote measurement device) measure a net current being imported from or exported to a grid. Thereafter, the EVSE can use one or more control systems (e.g., an integral power control system (PCS)) to increase and/or decrease the charging and/or discharging rate of the EV to prevent overload of a service transformer.
A bridge configured for use with a power converter is provided herein and comprises a switch comprising a Gallium-Nitride (GaN) High Electron Mobility Transistor and a Gate driver coupled to the Gallium-Nitride (GaN) High Electron Mobility Transistor and configured to provide a turn on signal to the Gallium-Nitride (GaN) High Electron Mobility Transistor at a first time so that the Gallium-Nitride (GaN) High Electron Mobility Transistor turns on at a second time that is different from the first time.
H02M 1/088 - Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters for the simultaneous control of series or parallel connected semiconductor devices
H02M 7/5387 - 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 in a bridge configuration
27.
METHODS AND APPARATUS FOR CONTROLLING SWITCHING IN POWER CONVERTERS
A bridge configured for use with a power converter is provided herein and comprises a switch comprising a Gallium-Nitride (GaN) High Electron Mobility Transistor and a Gate driver coupled to the Gallium-Nitride (GaN) High Electron Mobility Transistor and configured to provide a turn on signal to the Gallium-Nitride (GaN) High Electron Mobility Transistor at a first time so that the Gallium-Nitride (GaN) High Electron Mobility Transistor turns on at a second time that is different from the first time.
H02M 7/53 - 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
H02M 1/08 - Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
A cycloconverter configured for use with a power converter is provided herein and comprises a bidirectional switch comprising a pair of Gallium-Nitride (GaN) High Electron Mobility Transistors and a Gate driver coupled to a gate of each of the pair of Gallium-Nitride (GaN) High Electron Mobility Transistors and configured to provide at least one of independent turn-on and turn-off outputs for implementing asymmetrical Gate drive characteristics, a voltage regulated supply to determine a gate turn-on voltage, and a gate turn-off voltage supply that can sink and source current.
H02M 1/088 - Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters for the simultaneous control of series or parallel connected semiconductor devices
H02M 3/335 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
29.
STORAGE SYSTEM CONFIGURED FOR USE WITH AN ENERGY MANAGEMENT SYSTEM
A storage system configured for use with an energy management system is provided and comprises a battery, a power converter comprising a plurality of microinverters coupled to the battery, and a battery management unit coupled to the battery and the power converter and configured to receive a local coulomb count from each microinverter of the plurality of microinverters, calculate a total battery coulomb count, obtain a voltage measurement of the battery, and calculate a state-of-charge estimate using the calculated total battery coulomb count and the obtained voltage measurement.
A cycloconverter configured for use with a power converter is provided herein and comprises a bidirectional switch comprising a pair of Gallium-Nitride (GaN) High Electron Mobility Transistors and a Gate driver coupled to a gate of each of the pair of Gallium-Nitride (GaN) High Electron Mobility Transistors and configured to provide at least one of independent turn-on and turn-off outputs for implementing asymmetrical Gate drive characteristics, a voltage regulated supply to determine a gate turn-on voltage, and a gate turn-off voltage supply that can sink and source current.
H02M 7/53 - 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
A cycloconverter configured for use with a power converter is provided herein and comprises a bidirectional switch comprising a pair of Gallium-Nitride (GaN) High Electron Mobility Transistors and a Gate drive isolation transformer comprising two secondary windings connected to corresponding gate drivers that connect to the pair of Gallium-Nitride (GaN) High Electron Mobility Transistors, the Gate drive isolation transformer comprising a primary winding configured to receive a trinary input signal interpreted according to a set of hysteresis rules that drive the pair of Gallium-Nitride (GaN) High Electron Mobility Transistors.
H02M 7/79 - Conversion of AC power input into DC power outputConversion of DC power input into AC power output with 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
An energy storage system is provided and comprises a battery management unit; a controller configured to start an idle condition timer, measure a voltage of a battery cell of a battery connected to the battery management unit while the battery is idle, after the idle condition timer has expired, start a steady condition timer, measure the voltage of the battery cell while the battery is on, after the steady condition timer has expired, calculate a total resistance of the battery cell, and calculate an open circuit voltage of the battery cell using the total resistance.
G01R 31/389 - Measuring internal impedance, internal conductance or related variables
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]
G01R 31/3842 - Arrangements for monitoring battery or accumulator variables, e.g. SoC combining voltage and current measurements
An apparatus configured for use with a microinverter of an energy management system is provided. For example, apparatus can comprise a cascaded current transformer configuration comprising a first current transformer having a first primary winding configured to couple to a secondary winding of a power transformer of the microinverter and having a first secondary winding coupled to a second primary winding of a second current transformer having a second secondary winding coupled to a measurement device configured to measure a current of the microinverter.
G01R 15/18 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
G01R 19/25 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
H01F 27/42 - Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors or choke coils
The present disclosure provides an energy storage system. For example, an energy storage system can comprise a chassis and a battery module. The battery module is configured to removably connect to the chassis and comprises a plurality of battery cells held in place via a pair of end plates configured to compress the plurality of battery cells together when tightened to form the battery module.
H01M 50/204 - Racks, modules or packs for multiple batteries or multiple cells
H01M 10/04 - Construction or manufacture in general
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
H01M 50/258 - Modular batteriesCasings provided with means for assembling
H01M 50/262 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders with fastening means, e.g. locks
A portable energy system is provided and includes a controller configured to control periodic polling to determine when a load is attached or actively connected to the portable energy system, such that when the load is attached to the portable energy system, the controller energizes the portable energy system for supplying power to the load, and when the load is not attached or not actively connected to the portable energy system, the controller deenergizes the portable energy system output for not supplying power to the load.
The present disclosure provides a battery pack configured for use with an energy storage system. For example, the battery pack can comprise a battery cell and a printed circuit board assembly comprising a metal strip configured to connect to the battery cell and provide at least one of temperature or voltage data of the battery cell to a battery management unit operably coupled to the printed circuit board assembly.
H01M 50/569 - Constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals
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
H01M 50/516 - Methods for interconnecting adjacent batteries or cells by welding, soldering or brazing
An AC battery system configured for use with an energy management system is provided herein. For example, a controller can be configured to measure an initial voltage during a first predetermined state at a predetermined state-of-charge percentage, measure a subsequent voltage during a second predetermined state different from the first predetermined state, calculate a new hysteresis maximum polarization value based on a difference between the initial voltage and the subsequent voltage, and replace a previously stored hysteresis maximum polarization value with the new hysteresis maximum polarization value for performing at least one of a state-of-charge analysis or a state-of-health analysis.
G01R 31/3835 - Arrangements for monitoring battery or accumulator variables, e.g. SoC involving only voltage measurements
G01R 31/392 - Determining battery ageing or deterioration, e.g. state of health
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H02J 7/02 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from AC mains by converters
A portable energy system is provided and includes a controller configured to control periodic polling to determine when a load is attached or actively connected to the portable energy system, such that when the load is attached to the portable energy system, the controller energizes the portable energy system for supplying power to the load, and when the load is not attached or not actively connected to the portable energy system, the controller deenergizes the portable energy system output for not supplying power to the load.
The present disclosure provides a battery pack configured for use with an energy storage system. For example, the battery pack can comprise a battery cell and a printed circuit board assembly comprising a metal strip configured to connect to the battery cell and provide at least one of temperature or voltage data of the battery cell to a battery management unit operably coupled to the printed circuit board assembly.
H01M 50/569 - Constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
H01M 50/519 - Interconnectors for connecting terminals of adjacent batteriesInterconnectors for connecting cells outside a battery casing comprising printed circuit boards [PCB]
The present disclosure provides methods and apparatus for use with energy management systems. For example, an energy management system comprises a gateway and distributed energy resources coupled to a corresponding plurality of power conditioners and a distributed energy resource controller in operative communication with the plurality of power conditioners via power line communication, wherein the distributed energy resource controller is configured to generate a unique preamble for each power conditioner of the plurality of power conditioners and transmit the unique preamble to each power conditioner of the plurality of power conditioners to communicate with each power conditioner of the plurality of power conditioners via power line communication.
H04B 3/54 - Systems for transmission via power distribution lines
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
41.
STORAGE SYSTEM CONFIGURED FOR USE WITH AN ENERGY MANAGEMENT SYSTEM
A storage system configured for use with an energy management system is provided herein and comprises a battery, a battery management unit coupled to the battery and a power converter comprising plurality of microinverters operably coupled to the battery and the battery management unit, each microinverter of the plurality of microinverters configured to calculate an estimate of state-of-charge of the battery and periodically communicate a calculated estimate of state-of-charge to the other microinverters, such that each microinverter of the plurality of microinverters calculates an average state-of-charge of the battery and communicates the calculated average state-of-charge to the battery management unit for controlling charging/discharging of the battery.
A storage system configured for use with an energy management system is provided herein and comprises a battery, a battery management unit coupled to the battery and a power converter comprising plurality of microinverters operably coupled to the battery and the battery management unit, each microinverter of the plurality of microinverters configured to calculate an estimate of state-of-charge of the battery and periodically communicate a calculated estimate of state-of-charge to the other microinverters, such that each microinverter of the plurality of microinverters calculates an average state-of-charge of the battery and communicates the calculated average state-of-charge to the battery management unit for controlling charging/discharging of the battery.
A cycloconverter configured for use with a power converter is provided herein and comprises a bidirectional switch operable in a first mode of operation when an AC mains voltage is equal to or greater than a predetermined voltage and a second mode of operation when the AC mains voltage is less than the predetermined voltage, such that during zero voltage switching (ZVS) commutations a first Gate of a first pair of Gallium-Nitride (GaN) High Electron Mobility Transistors is on, a second Gate of the first pair of Gallium-Nitride (GaN) High Electron Mobility Transistors is off, and the first Gate and the second Gate of a second pair of Gallium-Nitride (GaN) High Electron Mobility Transistors are off.
H02M 7/5387 - 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 in a bridge configuration
H02M 1/08 - Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
A cycloconverter configured for use with a power converter is provided herein and comprises a bidirectional switch operable in a first mode of operation when an AC mains voltage is equal to or greater than a predetermined voltage and a second mode of operation when the AC mains voltage is less than the predetermined voltage, such that during zero voltage switching (ZVS) commutations a first Gate of a first pair of Gallium-Nitride (GaN) High Electron Mobility Transistors is on, a second Gate of the first pair of Gallium-Nitride (GaN) High Electron Mobility Transistors is off, and the first Gate and the second Gate of a second pair of Gallium-Nitride (GaN) High Electron Mobility Transistors are off.
H02M 7/537 - 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
H02M 7/48 - 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
45.
METHOD AND APPARATUS FOR PROVIDING COORDINATED CONTROL OF DISTRIBUTED ENERGY RESOURCES
A method and apparatus for managing distributed energy resources (DER) comprising a plurality of DER systems located behind a grid infrastructure transformer which form a DER group, and a coordinated DER controller configured to monitor parameters of the plurality of DER systems, negotiate a value for transferring energy from one DER system to another DER system, and control the plurality of DER systems based upon the parameters and the negotiation.
A method and apparatus for managing distributed energy resources (DER) comprising a plurality of DER systems located behind a grid infrastructure transformer which form a DER group, and a coordinated DER controller configured to monitor parameters of the plurality of DER systems, negotiate a value for transferring energy from one DER system to another DER system, and control the plurality of DER systems based upon the parameters and the negotiation.
A storage system configured for use with an energy management system is provided and includes an enclosure configured to house a battery, a thermal device disposed within the enclosure and configured to detect when a predetermined temperature is reached within the enclosure, a nozzle connected to a cartridge comprising fire retardant material and to the thermal device, wherein the nozzle is disposed on the enclosure to direct the fire retardant material into the enclosure when the thermal device detects the predetermined temperature is reached within the enclosure.
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
A62C 3/16 - Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
A62C 31/02 - Nozzles specially adapted for fire-extinguishing
A62D 1/02 - Fire-extinguishing compositionsUse of chemical substances in extinguishing fires containing or yielding a gas phase, e.g. foams
48.
STORAGE SYSTEM CONFIGURED FOR USE WITH AN ENERGY MANAGEMENT SYSTEM
A storage system configured for use with an energy management system is provided and includes an enclosure configured to house a battery, a thermal device disposed within the enclosure and configured to detect when a predetermined temperature is reached within the enclosure, a nozzle connected to a cartridge comprising fire retardant material and to the thermal device, wherein the nozzle is disposed on the enclosure to direct the fire retardant material into the enclosure when the thermal device detects the predetermined temperature is reached within the enclosure.
H01M 50/383 - Flame arresting or ignition-preventing means
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
Apparatus forming an arc-free hybrid relay having an air gap when in the off state. The apparatus comprises a first relay coupled to a second relay, and having a semiconductor switch arranged to temporarily shunt current around the second relay.
H01H 47/02 - Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay
H01H 89/00 - Combinations of two or more different basic types of electric switches, relays, selectors and emergency protective devices, not covered by any single one of the other main groups of this subclass
50.
METHOD AND APPARATUS FOR IDENTIFYING DISTRIBUTED ENERGY RESOURCE SYSTEMS LOCATED BEHIND A TRANSFORMER WITHIN UTILITY GRID INFRASTRUCTURE
A method and apparatus for identifying distributed energy resource (DER) systems that are located behind a transformer of a utility grid infrastructure by receiving a power line communication (PLC) signal transmitted by at least one DER system, analyzing the PLC signal to determine if the PLC signal has characteristics indicating that the PLC signal was transmitted from a DER system that is behind the transformer and, if such characteristics are determined, transmitting an acknowledgement to the DER system that originated the transmission.
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
H02J 3/38 - Arrangements for parallelly feeding a single network by two or more generators, converters or transformers
Apparatus forming an arc-free hybrid relay having an air gap when in the off state. The apparatus comprises a first relay coupled to a second relay, and having a semiconductor switch arranged to temporarily shunt current around the second relay.
A method and apparatus for identifying distributed energy resource (DER) systems that are located behind a transformer of a utility grid infrastructure by receiving a power line communication (PLC) signal transmitted by at least one DER system, analyzing the PLC signal to determine if the PLC signal has characteristics indicating that the PLC signal was transmitted from a DER system that is behind the transformer and, if such characteristics are determined, transmitting an acknowledgement to the DER system that originated the transmission.
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
53.
STORAGE SYSTEM CONFIGURED FOR USE WITH AN ENERGY MANAGEMENT SYSTEM
A storage system configured for use with an energy management system is provided herein and comprises a rechargeable battery, a grid detection circuit operably connected to the rechargeable battery such that when an AC power source is not detected by the grid detection circuit and a voltage at the rechargeable battery falls below a threshold voltage, the grid detection circuit places the rechargeable battery into a sleep mode, and a switch operably connected to the grid detection circuit and configured to override the grid detection circuit so that rechargeable battery exits the sleep mode until a voltage at the rechargeable battery is equal to or greater than a predetermined voltage.
A storage system configured for use with an energy management system is provided herein and comprises a rechargeable battery, a grid detection circuit operably connected to the rechargeable battery such that when an AC power source is not detected by the grid detection circuit and a voltage at the rechargeable battery falls below a threshold voltage, the grid detection circuit places the rechargeable battery into a sleep mode, and a switch operably connected to the grid detection circuit and configured to override the grid detection circuit so that rechargeable battery exits the sleep mode until a voltage at the rechargeable battery is equal to or greater than a predetermined voltage.
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
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 3/32 - Arrangements for balancing the load in a network by storage of energy using batteries with converting means
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
Methods and systems which use a load controller with a smart relay module are provided herein. For example, an apparatus for controlling one or more loads in an energy management system comprises a load controller configured to connect to a system controller and a storage system of the energy management system and a smart relay module comprising single phase relays and configured to control at least one of a single phase circuit, a split phase circuit, or a three phase circuit and configured to measure at least one of current, voltage, power, or energy for each relay load.
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
H02B 1/40 - Wall-mounted casingsParts thereof or accessories therefor
H02B 1/04 - Mounting thereon of switches or of other devices in general, the switch or device having, or being without, casing
H02G 3/38 - Installations of cables or lines in walls, floors or ceilings the cables or lines being installed in preestablished conduits or ducts
56.
Methods and apparatus for discharge protection in a storage system
Methods and systems for discharge protection in a storage system are provided herein. For example, a grid detection circuit configured for discharge protection in an AC battery system includes an input side that is configured to connect between a DC power source and a battery management unit (BMU) of the AC battery system and an output side that is configured to connect between an output side of an inverter and an AC power source, wherein when the AC power source is detected by the grid detection circuit, the grid detection system allows the inverter to maintain a charge at the DC power source and the battery management unit (BMU) to operate within an under-voltage-lockout (UVLO) at or above a first charge threshold, and wherein when the AC power source is not detected by the grid detection circuit, the grid detection system allows the inverter to maintain a charge at the DC power source and the battery management unit (BMU) to operate within an under-voltage-lockout (UVLO) at or above a second charge threshold, and when the AC power source is not detected by the grid detection circuit and a charge of the DC power source falls below the second charge threshold that is different from the first charge threshold, the grid detection system allows the battery management unit (BMU) to enter a sleep mode.
The present disclosure provides an energy storage system. For example, an energy storage system comprises a controller configured to reduce output voltage of an AC battery of the energy storage system during off-grid operation and provide a power to a load based on a reduced output voltage.
The present disclosure provides an energy storage system. For example, an energy storage system comprises a printed circuit board assembly configured to connect to a chassis of the energy storage system and a frame assembly comprising a plurality of stackable frames configured to connect to a plurality of battery cells and the printed circuit board assembly such that a series connection between the plurality of battery cells is created when the plurality of battery cells are connected to the plurality of stackable frames.
H01M 50/258 - Modular batteriesCasings provided with means for assembling
H01M 50/211 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for pouch cells
H01M 50/244 - Secondary casingsRacksSuspension devicesCarrying devicesHolders characterised by their mounting method
H01M 50/264 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders with fastening means, e.g. locks for cells or batteries, e.g. straps, tie rods or peripheral frames
H01M 50/293 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by spacing elements or positioning means within frames, racks or packs characterised by the material
The present disclosure provides a chassis configured for use an energy storage system. The chassis comprises a housing configured to support a plurality of battery cells, a first sidewall pad and a top wall pad configured to cushion the plurality of battery cells when supported within the housing, a compression wedge configured to fit between the plurality of battery cells and a second sidewall of the chassis to apply a compressive load on the plurality of battery cells, and a retention bracket configured to connect to a first sidewall of the chassis and the second sidewall to maintain the plurality of battery cells against a rear wall of the chassis.
H01M 50/251 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders specially adapted for stationary devices, e.g. power plant buffering or backup power supplies
H01M 50/264 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders with fastening means, e.g. locks for cells or batteries, e.g. straps, tie rods or peripheral frames
H01M 50/291 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by spacing elements or positioning means within frames, racks or packs characterised by their shape
H01M 50/293 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by spacing elements or positioning means within frames, racks or packs characterised by the material
H01M 50/691 - Arrangements or processes for draining liquids from casingsCleaning battery or cell casings
The present disclosure provides an energy storage system. For example, an energy storage system comprises a controller configured to reduce output voltage of an AC battery of the energy storage system during off-grid operation and provide a power to a load based on a reduced output 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
61.
METHODS AND APPARATUS FOR RANGE TESTING MOCK DEVICES USING MESH TOPOLOGY
Methods and systems for range testing mock devices using mesh topology are provided herein. For example, a method for range testing mock devices using mesh topology comprises supplying power to a plurality of mock devices corresponding to a plurality of actual devices in an energy management system, adding the plurality of mock devices to a range test list via a first wireless protocol, positioning the plurality of mock devices in a location where the plurality of actual devices will be installed, and triggering a range test via a second wireless protocol different than the first wireless protocol to determine if the plurality of mock devices have communication therebetween.
Methods and systems which use a load controller with a smart relay module are provided herein. For example, an apparatus for controlling one or more loads in an energy management system comprises a load controller configured to connect to a system controller and a storage system of the energy management system and a smart relay module comprising single phase relays and configured to control at least one of a single phase circuit, a split phase circuit, or a three phase circuit and configured to measure at least one of current. voltage, power, or energy for each relay load.
Methods and systems for discharge protection in a storage system are provided herein. For example, a grid detection circuit configured for discharge protection in an AC battery system includes an input side that is configured to connect between a DC power source and a battery management unit (BMU) of the AC battery system and an output side that is configured to connect between an output side of an inverter and an AC power source, wherein when the AC power source is detected by the grid detection circuit, the grid detection system allows the inverter to maintain a charge at the DC power source and the battery management unit (BMU) to operate within an under- voltage-lockout (UVLO) at or above a first charge threshold, and wherein when the AC power source is not detected by the grid detection circuit, the grid detection system allows the inverter to maintain a charge at the DC power source and the battery management unit (BMU) to operate within an under-voltage-lockout (UVLO) at or above a second charge threshold, and when the AC power source is not detected by the grid detection circuit and a charge of the DC power source falls below the second charge threshold that is different from the first charge threshold, the grid detection system allows the battery management unit (BMU) to enter a sleep mode.
The present disclosure provides a chassis configured for use an energy storage system. The chassis comprises a housing configured to support a plurality of battery cells, a first sidewall pad and a top wall pad configured to cushion the plurality of battery cells when supported within the housing, a compression wedge configured to fit between the plurality of battery cells and a second sidewall of the chassis to apply a compressive load on the plurality of battery cells, and a retention bracket configured to connect to a first sidewall of the chassis and the second sidewall to maintain the plurality of battery cells against a rear wall of the chassis.
H01M 50/242 - 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 against vibrations, collision impact or swelling
H01M 50/244 - Secondary casingsRacksSuspension devicesCarrying devicesHolders characterised by their mounting method
H01M 50/691 - Arrangements or processes for draining liquids from casingsCleaning battery or cell casings
H02J 3/32 - Arrangements for balancing the load in a network by storage of energy using batteries with converting means
H01M 10/46 - Accumulators structurally combined with charging apparatus
65.
STACKABLE FRAME DESIGN FOR POUCH CELL BATTERY PACKS
The present disclosure provides an energy storage system. For example, an energy storage system comprises a printed circuit board assembly configured to connect to a chassis of the energy storage system and a frame assembly comprising a plurality of stackable frames configured to connect to a plurality of battery cells and the printed circuit board assembly such that a series connection between the plurality of battery cells is created when the plurality of battery cells are connected to the plurality of stackable frames.
H01M 50/244 - Secondary casingsRacksSuspension devicesCarrying devicesHolders characterised by their mounting method
H01M 50/262 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders with fastening means, e.g. locks
66.
FAST ENGAGING-DISENGAGING CONNECTORS FOR CELL-TO-SYSTEM BATTERY DESIGN
The present disclosure provides an energy storage system. For example, an energy storage system comprises a printed circuit board assembly configured to connect to a chassis of the energy storage system and a battery cell comprising a connecting/disconnecting device configured to engage aa corresponding connecting/disconnecting device on the printed circuit board assembly for providing at least one of electrical interconnection, routing, voltage sensing, or temperature sensing.
H01M 50/519 - Interconnectors for connecting terminals of adjacent batteriesInterconnectors for connecting cells outside a battery casing comprising printed circuit boards [PCB]
H01M 50/569 - Constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals
H01M 50/534 - Electrode connections inside a battery casing characterised by the material of the leads or tabs
H01M 50/531 - Electrode connections inside a battery casing
H01M 50/102 - Primary casingsJackets or wrappings characterised by their shape or physical structure
67.
FAST ENGAGING-DISENGAGING CONNECTORS FOR CELL-TO-SYSTEM BATTERY DESIGN
The present disclosure provides an energy storage system. For example, an energy storage system comprises a printed circuit board assembly configured to connect to a chassis of the energy storage system and a battery cell comprising a connecting/disconnecting device configured to engage a corresponding connecting/disconnecting device on the printed circuit board assembly for providing at least one of electrical interconnection, routing, voltage sensing, or temperature sensing.
H01M 50/519 - Interconnectors for connecting terminals of adjacent batteriesInterconnectors for connecting cells outside a battery casing comprising printed circuit boards [PCB]
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
H01M 50/503 - Interconnectors for connecting terminals of adjacent batteriesInterconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
H01M 50/516 - Methods for interconnecting adjacent batteries or cells by welding, soldering or brazing
H01M 50/517 - Methods for interconnecting adjacent batteries or cells by fixing means, e.g. screws, rivets or bolts
H01M 50/562 - Terminals characterised by the material
H01M 50/569 - Constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
68.
METHODS AND APPARATUS FOR MEASURING RESONANT CURRENT IN A POWER CONVERTER
An apparatus for measuring current in a power converter is provided. The apparatus comprises a state space observer configured to provide a statistically most probable state of the power converter and an analog digital converter comprising a comparator configured to compare a first state space observer current approximation to a real time current input signal to determine if the first state space observer current approximation is too high or too low and a counter configured to be incremented or decremented based on a result of a comparison at the comparator, wherein an output of the counter is input to the state space observer and added to the first state space observer current approximation to calculate a second state space observer current approximation that will be one count closer to a final correct value.
An apparatus for measuring current in a power converter is provided. The apparatus comprises a state space observer configured to provide a statistically most probable state of the power converter and an analog digital converter comprising a comparator configured to compare a first state space observer current approximation to a real time current input signal to determine if the first state space observer current approximation is too high or too low and a counter configured to be incremented or decremented based on a result of a comparison at the comparator, wherein an output of the counter is input to the state space observer and added to the first state space observer current approximation to calculate a second state space observer current approximation that will be one count closer to a final correct value.
H02M 7/537 - 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
70.
PORTABLE ENERGY SYSTEM WITH TWO-STAGE POWER SAVING FEATURE
A portable energy system is provided and includes a controller configured to control a two-stage power-saving function that places the portable energy system into a first mode of operation at a first state-of-charge and into a second mode of operation at a second state-of-charge different from the first state-of-charge.
A portable energy system is provided herein and comprises a plurality of microinverters and an AC input and an AC output configured to connect to at least one of an AC input of another portable energy system or to a component of an energy management system.
A portable energy system is provided and includes a controller configured to control a two-stage power-saving function that places the portable energy system into a first mode of operation at a first state-of-charge and into a second mode of operation at a second state-of-charge different from the first state-of-charge.
A portable energy system is provided herein and comprises a plurality of microinverters and an AC input and an AC output configured to connect to at least one of an AC input of another portable energy system or to a component of an energy management system.
A storage system configured for use with an energy management system is provided and includes an AC rechargeable battery and a power converter operably coupled to the AC rechargeable battery and configured to calculate an estimate of state-of-charge of the AC rechargeable battery based on at least one of DC impedance of the AC rechargeable battery or AC impedance of the AC rechargeable battery that are measured in real time operation is used to calculate resistance and capacitance values for an equivalent circuit model that in conjunction with previously measured voltage and current are input to an extended kalman filter (EKF). Time consuming testing of the equivalent circuit model in advance is therefore eliminated.
G01R 31/382 - Arrangements for monitoring battery or accumulator variables, e.g. SoC
G01R 31/389 - Measuring internal impedance, internal conductance or related variables
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
75.
STORAGE SYSTEM CONFIGURED FOR USE WITH AN ENERGY MANAGEMENT SYSTEM
A storage system configured for use with an energy management system is provided and includes an AC rechargeable battery and a power converter operably coupled to the AC rechargeable battery and configured to calculate an estimate of state-of-charge of the AC rechargeable battery based on at least one of DC impedance of the AC rechargeable battery or AC impedance of the AC rechargeable battery that are measured in real time operation is used to calculate resistance and capacitance values for an equivalent circuit model that in conjunction with previously measured voltage and current are input to an extended kalman filter (EKF). Time consuming testing of the equivalent circuit model in advance is therefore eliminated.
A storage system configured for use with an energy management system is provided and includes a battery having a plurality of cells and a propagation barrier comprising a first set of slabs, phase change material, an opening positioned adjacent the phase change material, a second set of slabs positioned between the first set of slabs and configured such that as temperature of an initiating cell increases, the phase change material absorbs energy and melts so that a previous volume occupied by the phase change material is replaced with air to create high temperature gradient that reduces adjacent cell temperature rise.
H01M 10/659 - Means for temperature control structurally associated with the cells by heat storage or buffering, e.g. heat capacity or liquid-solid phase changes or transition
H01M 10/658 - Means for temperature control structurally associated with the cells by thermal insulation or shielding
A storage system configured for use with an energy management system is provided and includes a battery having a plurality of cells and a propagation barrier comprising a first set of slabs, phase change material, an opening positioned adjacent the phase change material, a second set of slabs positioned between the first set of slabs and configured such that as temperature of an initiating cell increases, the phase change material absorbs energy and melts so that a previous volume occupied by the phase change material is replaced with air to create high temperature gradient that reduces adjacent cell temperature rise.
H01M 10/659 - Means for temperature control structurally associated with the cells by heat storage or buffering, e.g. heat capacity or liquid-solid phase changes or transition
H01M 10/658 - Means for temperature control structurally associated with the cells by thermal insulation or shielding
H01M 10/6555 - Rods or plates arranged between the cells
H02H 3/32 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to difference between voltages or between currentsEmergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
78.
STORAGE SYSTEM CONFIGURED FOR USE WITH AN ENERGY MANAGEMENT SYSTEM
A storage system configured for use with an energy management system is provided and includes a plurality of single-phase AC coupled batteries or three-phase AC coupled batteries and a controller configured to determine a time remaining before each battery of the plurality of single-phase AC coupled batteries or the three-phase AC coupled batteries is depleted for power balancing the plurality of single-phase AC coupled batteries or the three-phase AC coupled batteries.
H02J 3/32 - Arrangements for balancing the load in a network by storage of energy using batteries with converting means
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]
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H02J 3/46 - Controlling the sharing of output between the generators, converters, or transformers
79.
STORAGE SYSTEM CONFIGURED FOR USE WITH AN ENERGY MANAGEMENT SYSTEM
A storage system configured for use with an energy management system is provided and includes a plurality of single-phase AC coupled batteries or three-phase AC coupled batteries and a controller configured to determine a time remaining before each battery of the plurality of single-phase AC coupled batteries or the three-phase AC coupled batteries is depleted for power balancing the plurality of single-phase AC coupled batteries or the three-phase AC coupled batteries.
A method for auditing and tracking energy flow in a distributed energy resource, comprising: determining an amount of energy provided by a first energy source to the distributed energy resource; determining an amount of energy provided by a second energy source different from the first energy source to the distributed energy resource; determining a ratio between energy provided by the first energy source and energy provided by the second energy source; determining a net energy metering score based on the determined ratio; and one of increasing or decreasing energy provided by at least one of the first energy source or energy provided by the second energy source to the distributed energy resource.
An electric vehicle supply equipment system for electric vehicle charging is provided and comprises an electric vehicle supply equipment that is connectable to a distributed energy resource for charging/discharging a battery of an electric vehicle and a controller in operative communication with at least one of a communication network, an electronic device of the electric vehicle, or a distributed energy resource controller for transmitting and receiving electric vehicle supply equipment information associated with a manufacturer of at least one of the electric vehicle supply equipment or the electric vehicle to provide charging/discharging of the battery at a public charging station associated with the manufacturer.
A battery system comprising an enclosure having a first end, a second end and a housing extending between the first end and the second end to define a space within the enclosure. At least one opening defined by the first end of the enclosure such that the at least one opening accommodates a plurality of removable power modules. A plurality of input/output connectors are positioned on the enclosure to couple DC and AC power to and from the enclosure. A circuit board is positioned in the enclosure to distribute the AC and DC power between the plurality of input/output connectors and the removeable power modules. Each removeable power module is a standalone power module that forms an AC and/or DC power source separate from the enclosure or, alternatively, when coupled to the enclosure, forms a multiple power module battery system.
H01M 50/258 - Modular batteriesCasings provided with means for assembling
H02M 7/00 - Conversion of AC power input into DC power outputConversion of DC power input into AC power output
H01M 50/244 - Secondary casingsRacksSuspension devicesCarrying devicesHolders characterised by their mounting method
H01M 50/284 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders with incorporated circuit boards, e.g. printed circuit boards [PCB]
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H01M 10/6563 - Gases with forced flow, e.g. by blowers
83.
METHODS AND APPARATUS FOR AUDITING AND TRACKING CLEAN ENERGY FLOW AMONGST DISTRIBUTED ENERGY RESOURCES
An electric vehicle supply equipment system for electric vehicle charging is provided and comprises an electric vehicle supply equipment that is connectable to a distributed energy resource for charging/discharging a battery of an electric vehicle and a controller in operative communication with at least one of a communication network, an electronic device of the electric vehicle, or a distributed energy resource controller for transmitting and receiving electric vehicle supply equipment information associated with a manufacturer of at least one of the electric vehicle supply equipment or the electric vehicle to provide charging/discharging of the battery at a private or public charging station associated with the manufacturer.
An electric vehicle supply equipment system for electric vehicle charging is provided and comprises an electric vehicle supply equipment that is connectable to a distributed energy resource for charging/discharging a battery of an electric vehicle and a controller in operative communication with at least one of a communication network, an electronic device of the electric vehicle, or a distributed energy resource controller for transmitting and receiving electric vehicle supply equipment information associated with a manufacturer of at least one of the electric vehicle supply equipment or the electric vehicle to provide charging/discharging of the battery at a public charging station associated with the manufacturer.
A battery system comprising an enclosure having a first end, a second end and a housing extending between the first end and the second end to define a space within the enclosure. At least one opening defined by the first end of the enclosure such that the at least one opening accommodates a plurality of removable power modules. A plurality of input/output connectors are positioned on the enclosure to couple DC and AC power to and from the enclosure. A circuit board is positioned in the enclosure to distribute the AC and DC power between the plurality of input/output connectors and the removeable power modules. Each removeable power module is a standalone power module that forms an AC and/or DC power source separate from the enclosure or, alternatively, when coupled to the enclosure, forms a multiple power module battery system.
H01M 10/46 - Accumulators structurally combined with charging apparatus
H01M 50/247 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders specially adapted for portable devices, e.g. mobile phones, computers, hand tools or pacemakers
H01M 50/284 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders with incorporated circuit boards, e.g. printed circuit boards [PCB]
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
86.
Storage system configured for use with an energy management system
A storage system configured for use with an energy management system is provided and includes a single-phase AC coupled battery or a three-phase AC coupled battery, a plurality of microinverters that are configured to connect to one or more battery cells that form a local grid, a controller configured to detect when to charge or discharge the single-phase AC coupled battery or the three-phase AC coupled battery so that energy can be stored therein when energy is abundant and used when energy is scarce, an estimator tool for storage system sizing and photovoltaic sizing, and at least one of a configurable single-phase AC coupled battery and three-phase AC coupled battery profiles to optimize at least one of self-consumption or time-of-use or troubleshooting capabilities to identify and fix issues with the energy management system.
H02J 3/32 - Arrangements for balancing the load in a network by storage of energy using batteries with converting means
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
87.
INTEGRATED PCBA DESIGN WITH FAST CONNECTION-DISCONNECTION CAPABILITIES FOR CELL TO SYSTEM DESIGN
The present disclosure provides an energy storage system. For example, an energy storage system comprises a chassis and a printed circuit board assembly connected to the chassis and comprising a connecting/disconnecting device configured to connect to a corresponding connecting/disconnecting device on the battery cell for enabling connection of the battery cell to the chassis.
The present disclosure provides an energy storage system. For example, an energy storage system comprises a chassis and a printed circuit board assembly connected to the chassis and comprising a connecting/disconnecting device configured to connect to a corresponding connecting/disconnecting device on the battery cell for enabling connection of the battery cell to the chassis.
A method and apparatus for managing distributed energy resources is provided herein. For example, an apparatus for managing distributed energy resources comprises a first electrical area comprising: at least one power producing distributed energy resource (PDER); at least one power consuming distributed energy resource (CDER); and a controller configured to monitor parameters of the at least one CDER and the at least one PDER, receive second electrical area parameters from a second electrical area, and control the at least one PDER and the at least one CDER based upon the parameters of the at least one CDER and the at least one PDER and the second electrical area parameters.
A method and apparatus for managing distributed energy resources is provided herein. For example, an apparatus for managing distributed energy resources comprises a first electrical area comprising: at least one power producing distributed energy resource (PDER); at least one power consuming distributed energy resource (CDER); and a controller configured to monitor parameters of the at least one CDER and the at least one PDER, receive second electrical area parameters from a second electrical area, and control the at least one PDER and the at least one CDER based upon the parameters of the at least one CDER and the at least one PDER and the second electrical area parameters.
H02J 3/12 - Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
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
Apparatus and method for controlling reactive power. In one embodiment, the apparatus comprises a bidirectional power converter comprising a switched mode cycloconverter for generating AC power having a desired amount of a reactive power component.
A method and apparatus for converting power comprising an input bridge having an input adapted for coupling to a DC source, a piezoelectric transformer having an input coupled to an output of the input bridge, and an output bridge having an input coupled to an output of the piezoelectric transformer and an output adapted to couple to a load. A trajectory controller, coupled to the input bridge and output bridge, (1) measures current and voltage in the input bridge, the output bridge or both, (2) measures a current into or out of the piezoelectric transformer, (3) determines switch timing for control signals for the input bridge and output bridge based upon the measured current and/or voltage, and (4) applies the control signals to the input bridge and output bridge.
H10N 39/00 - Integrated devices, or assemblies of multiple devices, comprising at least one piezoelectric, electrostrictive or magnetostrictive element covered by groups
H02M 7/48 - 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
H02M 7/53 - 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
H02N 2/18 - Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
Methods and apparatus for producing helix windings used for a transformer are provided. For example, apparatus comprise an electrically conductive mandrel comprising an elongated body, a head comprising an eyelet detail, and a winding structure disposed along the elongated body.
Methods and apparatus which use a microinverter comprising integrated neutral forming function for off-grid facilities are provided herein. For example, a microinverter configured for use with an AC storage system comprises switching circuitry connected at an AC output of the microinverter, a three-line connector connected at the AC output and comprising a neutral line connected between two lines configured to connect to at least one of a single phase grid system or a split phase grid system, wherein the neutral line is connected to the microinverter at a point that maintains a mid-way voltage between the two lines voltage.
H02M 7/483 - Converters with outputs that each can have more than two voltage levels
H02M 7/493 - 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 the static converters being arranged for operation in parallel
H02J 3/38 - Arrangements for parallelly feeding a single network by two or more generators, converters or transformers
H02J 3/28 - Arrangements for balancing the load in a network by storage of energy
H02J 3/32 - Arrangements for balancing the load in a network by storage of energy using batteries with converting means
Methods and apparatus which use a microinverter comprising integrated neutral forming function for off-grid facilities are provided herein. For example, a microinverter configured for use with an AC storage system comprises switching circuitry connected at an AC output of the microinverter, a three-line connector connected at the AC output and comprising a neutral line connected between two lines configured to connect to at least one of a single phase grid system or a split phase grid system, wherein the neutral line is connected to the microinverter at a point that maintains a mid-way voltage between the two lines voltage.
H02J 3/38 - Arrangements for parallelly feeding a single network by two or more generators, converters or transformers
H02J 3/46 - Controlling the sharing of output between the generators, converters, or transformers
H02M 3/335 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
96.
Piezoelectric power converter with trajectory control
A method and apparatus for converting power comprising an input bridge having an input adapted for coupling to a DC source, a piezoelectric transformer having an input coupled to an output of the input bridge, and an output bridge having an input coupled to an output of the piezoelectric transformer and an output adapted to couple to a load. A trajectory controller, coupled to the input bridge and output bridge, (1) measures current and voltage in the input bridge, the output bridge or both, (2) measures a current into or out of the piezoelectric transformer, (3) determines switch timing for control signals for the input bridge and output bridge based upon the measured current and/or voltage, and (4) applies the control signals to the input bridge and output bridge.
H02M 5/12 - Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into DC by static converters using transformers for conversion of voltage or current amplitude only
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
Recorded software system used to control a backup power
system comprised of microinverters, controllers, and
batteries. Software as a service (SaaS) system used to control a backup
power system comprised of microinverters, controllers, and
batteries.
09 - Scientific and electric apparatus and instruments
Goods & Services
Recorded software used to control the start-up of high-load
appliances via a backup power system comprised of
microinverters, controllers, and batteries.
99.
Methods and apparatus for maintaining a power conversion system
Methods and apparatus are provided herein. For example, a method for maintaining a power conversion system can include transmitting, to a computing apparatus in operable communication with the power conversion system, an alert message indicating non-working microinverters and which of the non-working microinverters are under warranty and eligible for replacement; receiving, from the computing apparatus, a request for replacement for the non-working microinverters; and transmitting, to the computing apparatus, an acknowledgment message indicating that the request has been successfully received and replacements for the non-working microinverters are being shipped.
H02J 3/38 - Arrangements for parallelly feeding a single network by two or more generators, converters or transformers
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
A microinverter is provided and comprises an output comprising a fourway connector comprising three power input/output connecters and a voltage monitoring and power line communications connector. The output is configured to connect to an AC cable comprising a rotatable four-way connector comprising three phase wires and a neutral wire which allows the microinverter to operate in at least one of a three-phase grid-tied mode of operation, a three-phase off-grid neutralforming mode of operation, a two-phase grid-tied mode of operation, a two-phase offgrid neutral-forming mode of operation, or a split-phase and single-phase grid tied and off-grid neutral-forming mode of operation when the microinverter is connected to the AC cable.
H02M 7/797 - Conversion of AC power input into DC power outputConversion of DC power input into AC power output with 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
H02M 7/537 - 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
H02J 3/38 - Arrangements for parallelly feeding a single network by two or more generators, converters or transformers
H02J 3/28 - Arrangements for balancing the load in a network by storage of energy
