#H02J7/54

Power storage system

A power storage system includes a plurality of storage battery units connected in series, and a plurality of bypass circuits respectively provided for the storage battery units and each configured to …

DRIVE·6d ago·1 min read

H02J7/54 YAZAKI CORPORATION

Storage battery control device, energy storage system, and storage battery control method

A storage battery control device for controlling an energy storage system including storage battery rows connected in parallel, each of the storage battery rows having a plurality of storage batteries…

DRIVE·Jun 9·2 min read

H02J7/54 YAZAKI CORPORATION

Monitoring system

A monitoring system includes monitoring devices and a controller configured to wirelessly communicate with the monitoring devices to acquire monitoring information of a monitored device. In a non-oper…

DRIVE·Jun 2·1 min read

H02J7/54 DENSO CORPORATION

PROGRAMMABLE BATTERY PACK

A programmable battery pack including a switch arrangement module having at least one rechargeable battery with and at least one single pole single throw (SPST) switch, a system power supply having at…

DRIVE·Mar 12·1 min read

H02J7/54 Mushtaq Mhaws

CONVERSION CIRCUIT AND RELATED ELECTRONIC DEVICE

A converter circuit is disclosed, and configured to balance a voltage between two ends of each capacitor and implement different voltage transformation ratios. A method in embodiments of this applicat…

DRIVE·Aug 21·2 min read

H02J7/54 HUAWEI DIGITAL POWER TECH CO LTD [CN]

POWER SUPPLY SYSTEM AND METHOD FOR A TERMINAL DEVICE

This application provides a power supply system and method for a terminal device, a chip, and a terminal device, and relates to the charging field. The power supply system includes a battery pack, a b…

DRIVE·Oct 4·2 min read

H02J7/54 HUAWEI TECH CO LTD [CN]

CHARGING CONTROL DEVICE, BATTERY SYSTEM AND CHARGING CONTROL METHOD

A charging control device and a charging control method are provided. The charging control device is to charge a battery device including a battery group including storage battery systems, in which ba…

DRIVE·Aug 31·2 min read

H02J7/54 YAZAKI CORP [JP]

Electronic device suitable for managing the direction of current and battery made up of modules which incorporate said device

The present invention relates to an electronic device allowing forward, reverse or shunted polarization of an electronic component by means of arranging four switches. Another object of the invention …

DRIVE·Jul 23·1 min read

H02J7/54 FICO TRIAD SA [ES]

Parallel charging and discharging of multiple lead acid batteries

Methods and equipment for connecting batteries, particularly lead-acid batteries, in parallel during charging and discharging, such that no danger or damage arises through use of batteries in differen…

DRIVE·Mar 26·1 min read

H02J7/54 SIEMENS ELEMA AB [SE]

BATTERY ASSEMBLY CONTROL SYSTEM

The purpose of the present invention is to appropriately perform, in a battery assembly control system, processing for eliminating the voltage difference occurring when a plurality of battery control …

DRIVE·Mar 12·2 min read

H02J7/54 SANYO ELECTRIC CO [JP]

Charge compensation circuit which can be activated

The circuit (1) has a zener diode (5) and a resistor (6) which are arranged in parallel to a battery cell (10). Interruptible connections (4) of manual actuatable switch and automatically closable swi…

DRIVE·Mar 5·1 min read

H02J7/54 MAGNA E CAR SYSTEMS GMBH & CO [AT]

ASSEMBLED-BATTERY VOLTAGE EQUALIZATION APPARATUS

A voltage equalizer for a battery pack includes equalization switches (SW1 to SW3) provided corresponding to respective battery blocks (BT1 to BT3, BT11 to BT13) that construct the battery pack (23, 2…

DRIVE·May 22·2 min read

H02J7/54 YAZAKI CORP [JP]

Circuit and method for charging at least two serially connected capacitors

There is provided a circuit and method for charging at least two serially connected capacitors. In the circuit, each capacitor has a corresponding rectifying element and a corresponding winding portio…

DRIVE·May 15·1 min read

H02J7/54 SCHNEIDER ELECTRIC BUILDINGS [US]

Energy storage system

An energy storage system is described that is connectable to at least one of a power generating system, a grid and a load, the energy storage system including a battery system, wherein the battery sys…

DRIVE·May 8·1 min read

H02J7/54 SAMSUNG SDI CO LTD [KR]

Apparatus and method for battery equalization

An apparatus for battery equalization of a battery pack for use in a vehicle includes cell stack separators and cell balancers. The battery pack includes a power supply system, a plurality of cells an…

DRIVE·May 8·1 min read

H02J7/54 TOYOTA JIDOSHOKKI KK [JP]

Charge and discharge control apparatus

A charge and discharge control apparatus equalizes the voltages of rechargeable battery cells by using a charger or a capacitor charged by an external power source, by using a first cell balancing uni…

DRIVE·Jan 23·1 min read

H02J7/54 TOYOTA JIDOSHOKKI KK [JP]

Device for actively balancing power supply units

The device has switching circuits (20, 22) connected with respective lithium-ion-cells (10, 11) and comprising respective switching elements (26, 34) i.e. transistors, and coils (32). A repeater (30) …

DRIVE·Sep 26·1 min read

H02J7/54 JUNGHEINRICH AG [DE]

Cell voltage balancing converter

A method for cell voltage balancing is disclosed. A plurality of cells is coupled to a plurality of cell interface circuits, and the cell interface circuits are driven with a balancing transformer suc…

DRIVE·May 2·1 min read

H02J7/54 BOEING CO [US]

Battery comprising circuitry for charge and discharge control, and method of operating a battery

A battery and a method of operating a battery are provided. The battery comprises at least one battery module. Each battery module comprises a plurality of submodules electrically connected in series.…

DRIVE·Apr 25·2 min read

H02J7/54 ST MICROELECTRONICS DES & APPL [DE]

Method and arrangement for balancing voltages of series connection of storage units for electrical energy

An arrangement which comprises two or more energy storage units (1) for electrical energy connected in series, two or more balancing resistor units (2), each balancing resistor unit (2) connected in p…

DRIVE·Dec 7·2 min read

H02J7/54 ABB OY [FI]

Balancing system for a battery pack

A balancing system for a battery pack includes a first balancing stage and a second balancing stage. The battery pack includes multiple modules and each of the modules in the battery pack includes a s…

DRIVE·Oct 5·1 min read

H02J7/54 O2MICRO INC [US]

Power supply device capable of forcedly discharging battery cell

A power supply device is provided that includes a battery pack 10, and forcedly discharging circuits 20. The battery pack 10 includes serially-connected rechargeable battery cells 2. The forcedly disc…

DRIVE·Jun 22·2 min read

H02J7/54 SANYO ELECTRIC CO [JP]

Equalization device, battery system and electric vehicle including the same, equalization processing program, and equalization processing method

An SOC of each battery cell is periodically detected, and an SOCmin and an SOCmax are determined. Battery cells having the SOCs larger than SOCmin+± are selectively discharged. After an elapse of a pr…

DRIVE·Jun 1·1 min read

H02J7/54 SANYO ELECTRIC CO [JP]

Electric energy storage module control device

Provided is an electric energy storage module control device for controlling an electric energy storage module (2) including a plurality of capacitors (20) connected in series, the electric energy sto…

DRIVE·May 11·1 min read

H02J7/54 NISSHINBO HOLDINGS INC [JP]

A system and method for balancing energy storage devices

The invention is directed to a system for balancing a series connection of energy storage devices comprising an intermediate storage element (b) and a switching means (c) for coupling a pair of non-ad…

DRIVE·Apr 20·2 min read

H02J7/54 4ESYS NV [BE]

Voltage equalization control system of accumulator

A maximum/minimum voltage detector (4) detects a maximum terminal voltage and a minimum terminal voltage of a plurality of accumulators (CL). A voltage difference calculator (5) calculates a voltage d…

DRIVE·Jun 14·1 min read

H02J7/54 FUJI HEAVY IND LTD [JP]

CAPACITOR DEVICE AND WIRING PATTERN

A capacitor device is provided which includes a plurality of electric double-layer capacitors connected in series, and a balance resistor portion where five resistors having an equivalent resistance a…

DRIVE·May 31·1 min read

H02J7/54 MATSUSHITA ELECTRIC INDUSTRIAL CO LTD [JP]

Electrical energy device with cell energy adjustment device, and cell energy adjustment method

A device which transfers energy charged in an arbitrary cell among cells (71) from said cell to the input/output terminals of a unit energy storage device (91), comprises a transformer (T1) having a p…

DRIVE·May 24·1 min read

H02J7/54 NEC TOKIN CORP [JP]

Circuit arrangement for limiting over-voltages in memory modules

The circuit has voltage-limiting elements, one of which is connected in parallel with each of combinations of energy storage elements. Two voltage-limiting elements are connected in parallel with two …

DRIVE·Dec 28·1 min read

H02J7/54 INVENTIO AG [CH]

Cell Balancing circuit

A cell balancing circuit monitors the voltage between serially connected cells and compares it to a reference voltage. From that comparison, the cell balancing circuit sources or sinks current into a …

DRIVE·Dec 7·2 min read

H02J7/54 MOTOROLA INC [US]

Cascadable semiconductor device for capacitor charge monitoring

A semiconductor apparatus including: multiple parallel monitor circuits each configured to control charge to a capacitor by controlling a transistor that bypasses, if the voltage of the capacitor exce…

DRIVE·Sep 28·1 min read

H02J7/54 RICOH KK [JP]

Equalising the voltages of electrochemical generators in rechargeable batteries through circuits

The battery has two modules mounted in series by their terminals, where each module has an electrochemical generator e.g. lithium generator. Compensation circuits are connected to the modules by the t…

DRIVE·Jul 13·1 min read

H02J7/54 ACCUMULATEURS FIXES [FR]

Improved apparatus and method to control the voltage of electrochemical generators for a rechargable battery

The device has a load calculation module (MC) measuring a voltage of a rechargeable battery (BAT) and determining average voltage by dividing the measured voltage with total number of modules (M1-MN).…

DRIVE·Sep 8·1 min read

H02J7/54 ACCUMULATEURS FIXES [FR]

Method and apparatus for symmetrizing the condensators of a battery of condensators

Three voltage levels are made available through a source of reference voltage in order to monitor the charging status of capacitors. A capacitor voltage is detected on each capacitor and compared with…

DRIVE·Apr 7·1 min read

H02J7/54 SIEMENS AG [DE]

Improved protection device with 1S circuits for electrochemical battery assemblies

Four electrochemical modules (1-1,1-2,1-3,1-4) each having electrochemical generators (2) are connected in series to positive and negative terminals. Each module is individually protected by electroni…

DRIVE·Jan 14·1 min read

H02J7/54 CIT ALCATEL [FR]

Method and apparatus for balancing active capacitor leakage current

A circuit 201 that provides a method and apparatus to actively balance capacitor leakage current from series stacked capacitors 207, 209 and disconnects itself when stacked capacitors are configured f…

DRIVE·May 28·2 min read

H02J7/54 POWER INTEGRATIONS INC [US]

Connection-switched capacitor storage system

There is disclosed a connection-switched capacitor storage system having an improved energy efficiency. When the capacitors having their respective parallel monitors are initialized, less power loss o…

DRIVE·Apr 9·2 min read

H02J7/54 JEOL LTD [JP]

Balancing circuit, method of voltage balancing and drive system for a vehicle

An internal combustion engine has an electrical generator/motor coupled to the crankshaft. This either receives power from a battery coupled to a circuit having capacitor (2) storage, or takes power t…

DRIVE·Feb 12·1 min read

H02J7/54 ISAD ELECTRONIC SYS GMBH & CO [DE]

Supercapacity balancing procedure and system

The present invention relates to a method and system for charging at least one supercapacitor, more particularly adapted to the balancing of supercapacitors. The method comprises a step (22) of derivi…

DRIVE·Jan 8·2 min read

H02J7/54 CIT ALCATEL [FR]

Supercapacity balancing method and device

The present invention relates to a supercapacitor balancing method comprising the derivation of current flowing in the supercapacitor from a so-called threshold voltage, predetermined, across the term…

DRIVE·Jan 8·1 min read

H02J7/54 CIT ALCATEL [FR]