Goods & Services

(1) Power distribution panel; energy meters for tracking and monitoring energy usage; alternating electrical current monitor modules; direct electrical current monitoring modules; voltage monitoring modules; software for monitoring electrical power distribution units

Goods & Services

Electrical distribution boxes; Electrical power distribution units; Electrical distribution systems, namely, power distribution panels

Goods & Services

Switches, electric; Recorded software for battery management system; Recorded software for energy management system; Recorded software for power converter system Trolleys

Goods & Services

(1) Accumulators being electrical storage batteries; downloadable software for the home automation of electric control systems for electrical power switches; electric control panels; electric power switches; power inverters; uninterruptible power supply apparatus (2) Downloadable computer application software for mobile phones, namely, software for household electricity management; Rapid shutdown device for photovoltaic power generation system; Mid circuit interrupter for photovoltaic power generation system; Embedded software for Battery Management System, Energy Management System and Power Converter System (3) Dollies; tool trolleys; two-wheeled trolleys

Goods & Services

(1) Accumulators being electrical storage batteries; downloadable software for the home automation of electric control systems for electrical power switches; electric control panels; electric power switches; power inverters; uninterruptible power supply apparatus (2) Downloadable computer application software for mobile phones, namely, software for household electricity management; Rapid shutdown device for photovoltaic power generation system; Mid circuit interrupter for photovoltaic power generation system; Embedded software for Battery Management System, Energy Management System and Power Converter System

Goods & Services

(1) Accumulators being electrical storage batteries; downloadable software for the home automation of electric control systems for electrical power switches; electric control panels; electric power switches; power inverters; uninterruptible power supply apparatus (2) Downloadable computer application software for mobile phones, namely, software for household electricity management; Rapid shutdown device for photovoltaic power generation system; Mid circuit interrupter for photovoltaic power generation system; Embedded software for Battery Management System, Energy Management System and Power Converter System

Goods & Services

(1) Accumulators being electrical storage batteries; downloadable software for the home automation of electric control systems for electrical power switches; electric control panels; electric power switches; power inverters; uninterruptible power supply apparatus (2) Downloadable computer application software for mobile phones, namely, software for household electricity management; Rapid shutdown device for photovoltaic power generation system; Mid circuit interrupter for photovoltaic power generation system; Embedded software for Battery Management System, Energy Management System and Power Converter System

Goods & Services

switches, electric; Electric circuit interrupters; Energy management software; batteries, electric; Inverters [electricity]; electric power distribution apparatus; uninterruptible electrical power supplies; electric control devices for energy management; computer software applications, downloadable; downloadable mobile applications.

Goods & Services

switches, electric; Electric circuit interrupters; Energy management software; batteries, electric; Inverters [electricity]; electric power distribution apparatus; uninterruptible electrical power supplies; electric control devices for energy management; computer software applications, downloadable; downloadable mobile applications. Trolleys.

Goods & Services

switches, electric; Electric circuit interrupters; Energy management software; batteries, electric; Inverters [electricity]; electric power distribution apparatus; uninterruptible electrical power supplies; electric control devices for energy management; computer software applications, downloadable; downloadable mobile applications.

Goods & Services

switches, electric; Electric circuit interrupters; Energy management software; batteries, electric; Inverters [electricity]; electric power distribution apparatus; uninterruptible electrical power supplies; electric control devices for energy management; computer software applications, downloadable; downloadable mobile applications.

Abstract

A power fusion system, power supply device, and power supply system. The module comprises a control unit, at least one power conversion unit and a DC/AC unit; the power conversion unit is configured to convert current output by the power supply to DC; the DC/AC unit is connected with all installed power conversion units, and configured to convert DC output by one or more power conversion units into AC meeting power supply demand; the control unit can communicate with all installed power conversion units and DC/AC unit, and is configured to control operation of the power conversion unit and DC/AC unit. The power fusion system can convert current output by one or more power supply modules into AC meeting the demand, so as to supply power to the load corresponding to the demand and can supply power cooperatively to improve matching degree and adaptability of power supply.

IPC Classes  ?

• H02J 3/36 - Arrangements for transfer of electric power between ac networks via a high-tension dc link
• G05B 15/02 - Systems controlled by a computer electric
• H02J 3/32 - Arrangements for balancing the load in a network by storage of energy using batteries with converting means

Abstract

An auxiliary power source for an energy storage system. The auxiliary power source comprises: a resonant circuit module (110), comprising a first power supply input end (IN1), a second power supply input end (IN2), a first power supply output end (OUT1) and a second power supply output end (OUT2), wherein the resonant circuit module (110) operates in an open-loop mode, and converts a direct-current bus voltage into a secondary output voltage; and a flyback power source module (120), comprising a third power supply input end (IN3), a fourth power supply input end (IN4), a fifth power supply input end (IN5), a sixth power supply input end (IN6) and a power supply output end (VOUT), wherein the flyback power source module (120) operates in a closed-loop operating mode, and converts the voltage of an energy storage battery (130) and/or the secondary output voltage of the resonant circuit module (110) into an auxiliary power source output voltage.

IPC Classes  ?

• 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
• 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
• H02M 1/08 - Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
• H02M 3/28 - 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
• H04N 7/06 - Systems for the simultaneous transmission of one television signal, i.e. both picture and sound, by more than one carrier
• H04N 3/18 - Generation of supply voltages, in combination with electron beam deflecting
• H04N 5/63 - Generation or supply of power specially adapted for television receivers

Abstract

Disclosed in the present application are a thermal management system and an energy storage device. The thermal management system is applied to an energy storage device, which comprises a battery system and a high-voltage system, wherein the battery system comprises at least one battery pack. The thermal management system comprises: a cooling loop, which is configured to perform cooling and absorb heat; a circulation loop, which is configured to perform heat exchange with the cooling loop and a battery system, or perform heat exchange with the cooling loop, the battery system and a high-voltage system; and a heating module, which is arranged in the circulation loop and is configured to heat the battery system by means of heating a heat conduction medium in the circulation loop, or is arranged in the battery system and is configured to heat the battery system.

IPC Classes  ?

• H01M 10/60 - Heating or coolingTemperature control
• B60L 58/24 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries

Abstract

Disclosed is a generator switch-in system for household energy storage, comprising an ATS, configured to be connected to a generator and to implement control decoupling with the generator; an energy gateway, connected to the ATS and configured to indirectly control the coupling and decoupling of the generator by controlling the ATS; an energy storage system, connected to the energy gateway and comprising at least one energy storage module, the at least one energy storage module being configured to store electric energy; and a load connection switch module, connected to the energy gateway and configured to control the number of connected loads.

IPC Classes  ?

• 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

Abstract

The present application discloses a household energy storage multi-source coupled system, comprising: an energy gateway, configured to control coupling and decoupling of different power sources; an energy storage system, coupled to the energy gateway and configured to store electric energy; and a power conversion system, coupled to the energy gateway and configured to convert the different power sources into a current source or a voltage source.

IPC Classes  ?

• H02J 7/02 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from AC mains by converters
• 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

Abstract

The present application relates to the technical field of household energy storage, and relates to a seamless on/off-grid switching method and a household energy storage system. The method comprises: in an on-grid state, when a master computer determines that a mains supply is abnormal, turning off an on-grid operation mode; the master computer switching a phase-locked source thereof from the mains supply to a self-oscillation state; the master computer notifying a slave computer of phase-locked source switching, and sending a phase locking result to the slave computer; the slave computer switching a phase-locked source thereof to the self-oscillation state of the master computer, and performing phase locking; disconnecting an input switch for the mains supply when the slave computer completes phase locking; turning on an off-grid operation mode after the input switch is disconnected; in an off-grid state, when the master computer determines that the mains supply is normal, the master computer switching the phase-locked source thereof from the self-oscillation state to the mains supply; the master computer notifying the slave computer of phase-locked source switching, and sending a phase locking result to the slave computer; the slave computer switching the phase-locked source thereof to the mains supply, and performing phase locking; closing the input switch for the mains supply after the slave computer completes phase locking; and before the input switch is closed, turning off the off-grid operation mode, and after the input switch is closed, turning on the on-grid operation mode. The present application realizes seamless on/off-grid switching.

IPC Classes  ?

• 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
• H04W 36/18 - Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection

Abstract

The present application relates to the technical field of Printed Circuit Board Assembly (PCBA), and discloses a method for fixing a pin of an electronic component, for use in improving the soldering effect of the electronic component during soldering. The method provided by the present application comprises: bending a pin of an electronic component; performing stress relief forming on the bent pin; placing the electronic component subjected to stress relief forming in a height supporting jig, and limiting a distance between the electronic component and a circuit board by means of the height supporting jig; mounting the height supporting jig, for placing the electronic component, at a corresponding position on the circuit board; and soldering the electronic component onto the circuit board.

IPC Classes  ?

• H01L 23/48 - Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads or terminal arrangements
• B21F 1/00 - Bending wire other than coilingStraightening wire
• B21F 11/00 - Cutting wire
• H05K 3/34 - Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering

Abstract

Provided are a soft starting method, a power conversion system and a household energy storage system, which are applied to the technical field of household energy storage, and are used for improving the soft starting effect of a full-bridge resonant converter. The provided method comprises: a soft starting process is configured into a plurality of working periods, duty cycles are gradually increased in a segmented mode; and during a soft starting process, according to the transformation of the duty cycles, the voltage is slowly output and the value of the output voltage is gradually increased. The working current during the soft starting process may be effectively controlled, thereby reducing the voltage stress of a power switch transistor when being hard turned off, reducing the risk of failure caused by the fact that the voltage stress of the power switch transistor exceeds the specification during the soft starting process, and improving the soft starting effect of a circuit.

IPC Classes  ?

• 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 1/36 - Means for starting or stopping converters

Abstract

Provided are a household energy storage system in an off-grid state and a black start method therefor. The method includes: in response to detecting that a battery system is discharged to a SOC of less than or equal to a set value M, sending, by a BMS, a state of the battery system to an EMS; sending, by the EMS, timing starting time T1 and black start time T2 to the BMS; starting, by the BMS, timing from T1 and after a time T, instructing the battery system to stop working such that the household energy storage system enters a sleep mode; in response to performing timing to T2, waking, by the BMS, an auxiliary power supply up for power supply to the EMS; and in response to detecting that the battery system is in a charging state, determining, by the EMS, that a black start succeeds.

IPC Classes  ?

• H02J 7/34 - Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
• H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
• H02J 3/38 - Arrangements for parallelly feeding a single network by two or more generators, converters or transformers

Abstract

The present application relates to the field of residential energy storage, and discloses a battery pack SOH estimation method and a residential energy storage system. The method comprises: estimating the number of times of charging and discharging cycles of a battery pack; calculating a first SOH of the battery pack by applying the number of times of charging and discharging cycles; calculating the number of years of use of the battery pack; calculating a second SOH of the battery pack by applying the number of years of use; measuring and calculating an ultimate discharge capacity of the battery pack; calculating a third SOH of the battery pack by applying the ultimate discharge capacity; and comparing the sizes of the first SOH, the second SOH and the third SOH, and taking the minimum value as an SOH of the battery pack. By using the present application, the accuracy of determining and estimating the SOH is improved.

IPC Classes  ?

• G01R 31/392 - Determining battery ageing or deterioration, e.g. state of health

Abstract

Disclosed in the embodiments of the present invention is a household energy storage system. The household energy storage system comprises: a case shell, wherein the case shell comprises a bottom plate and a back plate. The household energy storage system further comprises: an energy storage unit, a battery management unit and an inversion unit, which are located in the case shell and are sequentially located on a side of the bottom plate; and a heat dissipation channel, which is located outside the case shell and located on a side of the back plate, wherein the heat dissipation channel is arranged corresponding to the energy storage unit. The auxiliary heat dissipation channel is arranged outside the case shell, and works in cooperation with the natural heat dissipation performance of the energy storage unit, the battery management unit and the inversion unit, so that the overall heat dissipation performance of the system is improved, and the safety of the system is improved.

IPC Classes  ?

• H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
• H02J 15/00 - Systems for storing electric energy
• H01M 10/613 - Cooling or keeping cold
• H01M 10/627 - Stationary installations, e.g. power plant buffering or backup power supplies

Abstract

Disclosed in the embodiments of the present invention is a household energy storage system. The household energy storage system comprises: a case shell, wherein the case shell comprises a back plate, and at least two bottom plates arranged in a stacked manner. The household energy storage system further comprises energy storage units, which are located in the case shell and located on a side of the bottom plates, a battery management unit and an inversion unit, which are located on the side of the energy storage units away from the bottom plates, and a heat dissipation channel, which is located outside the case shell and located on a side of the back plate, wherein the heat dissipation channel is respectively arranged corresponding to the energy storage units; the bottom plates correspond to the energy storage units; and each energy storage unit comprises a heat dissipation surface on the side close to the corresponding bottom plate, and a heat conduction material and an insulating separator surrounding the heat conduction material are arranged between the heat dissipation surface and the corresponding bottom plate. The heat dissipation channel is arranged outside the case shell so as to provide auxiliary heat dissipation, and works in cooperation with the natural heat dissipation performance of energy storage unit batteries, the battery management unit and the inversion unit, so that the overall heat dissipation capacity of the system is improved, and the safety and service life of the system are thus improved.

IPC Classes  ?

• H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
• H02J 15/00 - Systems for storing electric energy
• H01M 10/627 - Stationary installations, e.g. power plant buffering or backup power supplies
• H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating

Abstract

Disclosed in the embodiments of the present invention is a battery module. The battery module comprises a first end fixing plate, a second end fixing plate, a plurality of cells sandwiched between the first end fixing plate and the second end fixing plate, and an isolation sheet between two adjacent cells, wherein the isolation sheet is used for isolating the two adjacent cells, so that when any one of the cells fails, the cell can be isolated by means of the isolation sheet, thereby avoiding damaging adjacent cells.

IPC Classes  ?

• H01M 50/474 - Spacing elements inside cells other than separators, membranes or diaphragmsManufacturing processes thereof characterised by their position inside the cells
• H01M 50/209 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells

Abstract

The embodiments of the present invention disclose an energy conversion management system and method. The energy conversion management system comprises: a battery module, a battery management module, a power control module, and a telemetering terminal connected to the battery management module and the power control module, wherein the battery management module is used for performing information collection, control and data management on the battery module, sending battery information to the telemetering terminal and also receiving feedback information from the telemetering terminal; the power control module is used for controlling a charging power and a discharging power of the battery module according to a control instruction of the battery management module and a control instruction of the telemetering terminal; and the telemetering terminal is used for performing data interaction with a user and controlling the battery management module and the power control module according to an instruction of the user. The degree of intelligence of an energy conversion management system is improved, and a conversion power is flexibly adjusted according to different power utilization situations, so that the effect of optimal economic benefits is achieved.

IPC Classes  ?

• H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
• H04Q 9/00 - Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
• G08C 17/02 - Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link

Abstract

The embodiment of the application discloses a power replenishment system and method for energy storage device. The power replenishment system for energy storage device comprises: an energy storage device, and the energy storage device comprises a DC charging interface for power replenishment; a power replenishment device, comprising a DC output interface arranged to be connected with the DC charging interface, the power replenishment device is connected with a power grid end, and the power replenishment device is configured to convert an AC voltage of the power grid end into a DC voltage and transmit the DC voltage to the energy storage device via the DC output interface.

IPC Classes  ?

• H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
• H01M 10/44 - Methods for charging or discharging
• 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 3/32 - Arrangements for balancing the load in a network by storage of energy using batteries with converting means
• H02J 7/04 - Regulation of the charging current or voltage

Abstract

The embodiment of the invention discloses a battery charging and discharging circuit, comprising: a battery module (1), configured to receive charging voltage or release discharging voltage; a transformer circuit (2), connected with the battery module (1), the transformer circuit (2) is configured to convert a first charging voltage into a charging voltage or convert a discharging voltage into a first discharging voltage; a buck-boost circuit (3), connected with the transformer circuit (2), the buck-boost circuit (3) is configured to convert a second charging voltage into the first charging voltage or convert the first discharging voltage into a second discharging voltage; a power grid end or user end (4), connected with the buck-boost circuit (3), the power grid end or user end (4) is configured to generate the second charging voltage or receive the second discharging voltage.

IPC Classes  ?

• H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
• H02J 3/32 - Arrangements for balancing the load in a network by storage of energy using batteries with converting means
• H02J 7/06 - Regulation of the charging current or voltage using discharge tubes or semiconductor devices
• H02M 1/00 - Details of apparatus for conversion
• H02M 3/158 - Conversion of DC power input into DC power output without intermediate conversion into AC 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 with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
• 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
• 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

Abstract

The present application discloses a multi-port energy storage battery. The multi-port energy storage battery comprises a battery case including a first port, a second port and a third port; a battery module, including a first interface, the first interface is connected to the first port, the battery module is configured to connect an external power supply module via the first port and first interface, so as to charge the battery module; a DC-DC converter, including a second interface and a third interface, the second interface is connected with the first interface, and the third interface is connected with the second port, the DC-DC converter is configured to boost battery voltage to a DC high voltage and then output it through the second port; a DC-AC converter, including a fourth interface and a fifth interface, the fourth interface is connected with the first interface, the fifth interface and the third port.

IPC Classes  ?

• H01M 10/46 - Accumulators structurally combined with charging apparatus
• H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries

Goods & Services

Batteries, electric; battery charge devices; current rectifiers; electric control devices for energy management; electric power distribution machines; electrical distribution systems, namely, power distribution panels; inverters; uninterruptible electrical power supplies

Goods & Services

Batteries, electric; battery charge devices; current rectifiers; electric control devices for energy management; electric power distribution machines; electrical distribution systems, namely, power distribution panels; inverters; uninterruptible electrical power supplies

Goods & Services

Batteries, electric; Battery charge devices; Current rectifiers; Downloadable computer application software for mobile phones, namely, software for household electricity management; Downloadable computer software platforms for development of applications for household electricity management; Downloadable mobile applications for household electricity management; Electric control devices for energy management; Electric power distribution machines; Electrical distribution systems, namely, power distribution panels; Inverters; Recorded computer software platforms for development of applications for household electricity management; Uninterruptible electrical power supplies

Goods & Services

Batteries, electric; Battery charge devices; Current rectifiers; Downloadable computer application software for mobile phones, namely, software for household electricity management; Downloadable computer software platforms for development of applications for household electricity management; Downloadable mobile applications for household electricity management; Electric control devices for energy management; Electric power distribution machines; Electrical distribution systems, namely, power distribution panels; Inverters; Recorded computer software platforms for development of applications for household electricity management; Uninterruptible electrical power supplies

Abstract

Disclosed is a household energy storage constant-temperature battery system. The household energy storage constant-temperature battery system comprises: a battery module, which comprises a battery package and at least one battery cell, wherein the battery package comprises a heat conducting plate, the heat conducting plate comprises a battery end and a first heat dissipation end, and each battery cell is in contact with the battery end and is accommodated in the battery package in a closed manner; and a heat dissipation module, which comprises at least one TEC module, a temperature sensor and a control module, wherein each TEC module is in contact with the first heat dissipation end, the temperature sensor is configured to measure the temperature of each battery cell, and the control module is configured to control, according to the temperature of each battery cell, the magnitude and direction of current provided for the at least one TEC module.

IPC Classes  ?

• H01M 10/6572 - Peltier elements or thermoelectric devices
• H01M 10/637 - Control systems characterised by the use of reversible temperature-sensitive devices, e.g. NTC, PTC or bimetal devicesControl systems characterised by control of the internal current flowing through the cells, e.g. by switching

Abstract

An energy storage device charging system and method. The energy storage device charging system comprises: an energy storage device (1), the energy storage device (1) comprising a direct-current charging interface (11) configured to charge; and a charging device (2), comprising a direct-current output interface (21) configured to be connected to the direct-current charging interface (11). The charging device (2) is connected to a power grid end (3), and the charging device (2) is configured to convert an alternating-current voltage of the power grid end (3) into a direct-current voltage and transmit the direct-current voltage into the energy storage device (1) by means of the direct-current output interface (21).

IPC Classes  ?

• H02J 7/04 - Regulation of the charging current or voltage
• H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
• H01M 10/44 - Methods for charging or discharging

Abstract

The embodiments of the present application disclose a battery charging and discharging circuit, comprising: a battery module (1), the battery module (1) being configured to receive a charging voltage or release a discharging voltage; a voltage transformation circuit (2), the voltage transformation circuit (2) being connected to the battery module (1), and the voltage transformation circuit (2) being configured to convert a first charging voltage into the charging voltage or convert the discharging voltage into a first discharging voltage; a buck-boost circuit (3), the buck-boost circuit (3) being connected to the voltage transformation circuit (2), and the buck-boost circuit (3) being configured to convert a second charging voltage into the first charging voltage or convert the first discharging voltage into a second discharging voltage; and a power grid end or a user end (4), the power grid end or the user end (4) being connected to the buck-boost circuit (3), and the power grid end or the user end (4) being configured to generate the second charging voltage or receive the second discharging voltage.

IPC Classes  ?

• H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
• H02J 7/10 - Regulation of the charging current or voltage using discharge tubes or semiconductor devices using semiconductor devices only
• 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
• 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