WO2022114251A1 - Système intelligent de matrice de commutation de charge et de décharge - Google Patents

Système intelligent de matrice de commutation de charge et de décharge Download PDF

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Publication number
WO2022114251A1
WO2022114251A1 PCT/KR2020/016767 KR2020016767W WO2022114251A1 WO 2022114251 A1 WO2022114251 A1 WO 2022114251A1 KR 2020016767 W KR2020016767 W KR 2020016767W WO 2022114251 A1 WO2022114251 A1 WO 2022114251A1
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WO
WIPO (PCT)
Prior art keywords
battery
load
switch
batteries
unit
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Application number
PCT/KR2020/016767
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English (en)
Korean (ko)
Inventor
김구용
Original Assignee
주식회사 엠디엠
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Publication of WO2022114251A1 publication Critical patent/WO2022114251A1/fr

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • H02J7/0014—Circuits for equalisation of charge between batteries
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E70/00—Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin

Definitions

  • the present invention relates to a smart charge/discharge switch matrix system, and to a smart charge/discharge switch matrix system capable of discharging to various output levels or charging only a specific battery.
  • Patent Document 001 discloses a first battery unit capable of being charged from a power system and provided to be respectively discharged to a power system and a load connected to the power system, and having a first charge/discharge rate (C-rate);
  • the second battery unit is connected in parallel to the power system, can be charged from the power system, and is provided to be discharged to the power system and the load connected to the power system, respectively, and is lower than the first charge/discharge rate (C-rate) a second battery unit having a charge/discharge rate; and a control unit provided to respectively control the charging and discharging of the first battery unit and the second battery unit according to the degree of frequency fluctuation in order to detect the frequency fluctuation of the power system and suppress the frequency fluctuation.
  • Patent Document 002 discloses a first power generation device for generating electric power; an energy storage device for storing power generated through the first power generation device and outputting the stored power to a system; and a control unit that compares the first power value generated by the first power generation device with a target power value of the system, and controls an operation of the energy storage device according to the comparison result, wherein the energy storage device includes: and a plurality of energy storage units having different operating characteristics, wherein the control unit determines an operating condition of the energy storage unit based on operating characteristics each of the energy storage units has, and based on the determined operating condition A technology related to a battery energy storage system for controlling the operation of the energy storage unit is presented.
  • Patent Document 003 discloses a hybrid energy storage system for managing power of a grid and a DC (Direct Current) distribution network connected to the grid, comprising: a first DC-DC converter connected to the DC distribution network; a supercapacitor connected to the first DC-DC converter and controlled to be charged and discharged by the first DC-DC converter; a second DC-DC converter connected to the DC power distribution network; and a battery connected to the second DC-DC converter and controlled for charging and discharging by the second DC-DC converter, wherein the first DC-DC converter is a noise of a grid voltage applied to the DC power distribution network.
  • a technology related to a hybrid energy storage system including a DC grid stabilization controller for stabilizing the DC distribution network by generating a damping current after filtering is provided.
  • Patent Document 004 discloses a power supply device for supplying electric power to a load by collecting green energy, a collecting unit generating electric energy by collecting green energy, and applying the electric energy supplied from the collecting unit to a predetermined electric energy level.
  • a main power supply unit including a conversion unit for converting into , and a battery unit for supplying power to the load by storing the electric energy converted by the conversion unit;
  • Presents a technology related to a power supply device characterized in that it includes an auxiliary power supply for supplying power to the load by assisting the main power supply.
  • Patent Document 001 KR 10-2020-0125094 A (January 04, 2020)
  • Patent Document 002 KR 10-2017-0129456 A (November 27, 2017)
  • Patent Document 003 KR 10-2018-0127089 A (November 28, 2018)
  • Patent Document 004 KR 10-2011-0040195 A (April 20, 2011)
  • the present invention relates to a smart charge/discharge switch matrix system that can output various outputs in a single system.
  • the invention relates to a smart charge/discharge switch matrix system for solving the problems of the prior inventions, and the present invention includes at least two or more batteries connected in series to each other in the smart charge/discharge switch matrix system connected to a load (10) to the battery unit 100; a switch unit 200 having a plurality of switches connected in parallel to each other, one each connected to the positive and negative electrodes of the battery included in the battery unit 100; and a control unit 300 for controlling the number of batteries connected to the load by transmitting a control signal for each switch included in the switch unit 200 .
  • the present invention relates to a smart charge/discharge switch matrix system, and among the switches included in the switch unit 200 , the positive electrode of the first battery B1 arranged on the outermost side of the battery unit 100 and The switches connected to the negative pole are connected to one end of the load 10 , and the switches connected to the positive and negative poles of the second battery B2 arranged on the other outermost side of the battery unit 100 are connected to the other end of the load, and the Among the batteries included in the battery unit 100 , a switch connected to a positive electrode of each of the remaining batteries except for the first battery B1 and the second battery B2 is connected to one end of the load 10 and a negative electrode The switch is connected to the other end of the load 10 to charge or discharge the battery unit 100 with different output voltages according to the control of the control unit 300 .
  • the present invention relates to a smart charge/discharge switch matrix system, and the output voltages of the batteries included in the battery unit 100 are the same.
  • the present invention relates to a smart charge/discharge switch matrix system, wherein the control unit 300 receives output voltage information required for the load from the outside, and controls ON or OFF of each of the switches according to the received output voltage information Thus, the output voltage of the battery unit 100 is matched with the output voltage information.
  • the present invention relates to a smart charge/discharge switch matrix system, and a sensing means 400 for sensing a SoC (Stack of Charge) of each of the batteries included in the battery unit 100; includes, and the control unit 300 ) controls ON or OFF of each of the switches according to the SoC information of each of the batteries sensed by the sensing means 400 to charge all or some of the batteries, or to output all or some of the batteries as a predetermined output. discharge with voltage.
  • SoC Stack of Charge
  • the present invention relates to a smart charge/discharge switch matrix system, wherein the load 10 is a discharge load, and the control unit 300 connects a predetermined battery to the load 10 to maintain the predetermined output voltage. However, the switches are controlled so that the SoC is higher than the reference value or the battery having the highest SoC is connected to the load 10 .
  • the present invention relates to a smart charge/discharge switch matrix system, wherein the load 10 is a charge load, and the controller 300 has an SoC lower than a reference value, or a battery with the lowest SoC is connected to the load 10 Control the switch as much as possible.
  • control unit controls the number of batteries connected to the load through the control of switches included in the switch unit, there is an advantage in that a single system (or device) can generate various output voltages.
  • the output voltages of the batteries connected in series to the battery unit are the same, even if one battery malfunctions or fails, the other battery can replace the malfunctioning or malfunctioning battery.
  • control unit 300 selects a battery connected to the load 10 differently according to the state of each battery sensed by the sensing means 400, balancing of the batteries is easy.
  • FIG. 1 is a conceptual diagram of a smart charge/discharge switch matrix system.
  • FIG. 2 is a partial circuit diagram of a smart charge/discharge switch matrix system.
  • FIG. 3 is a partial circuit diagram when the first to fourth batteries of the smart charge/discharge switch matrix system are charged and discharged.
  • FIG. 4 is a partial circuit diagram when the first battery, the third battery and the fourth battery of the smart charge/discharge switch matrix system are charged and discharged.
  • FIG. 5 is a partial circuit diagram when the first battery and the third battery of the smart charge/discharge switch matrix system are charged and discharged.
  • FIG. 6 is a partial circuit diagram when the first battery of the smart charge/discharge switch matrix system is charged and discharged.
  • FIG. 7 is a conceptual diagram of a smart charge/discharge switch matrix system according to another embodiment.
  • FIG. 8 is a partial circuit diagram of a smart charge/discharge switch matrix system according to another embodiment.
  • a battery unit 100 including at least two or more batteries connected in series with each other;
  • a switch unit 200 connected to each of the positive and negative electrodes of the battery included in the battery unit, the switch unit 200 including a plurality of switches connected in parallel with each other;
  • control unit 300 for controlling the switch by transmitting a control signal for each switch
  • a conventional charging/discharging system including a battery pack in order to have different output voltages, separate battery packs including different numbers of batteries or batteries of different specifications are required. For example, for a battery pack having output voltages of 12V, 24V, 36V, and 48V, a separate battery pack for each output voltage was required, and a circuit and a mechanism for each output voltage had to be designed.
  • the present invention configures the same protection circuit for each battery in a single system, and achieves smart charging and discharging using a switch matrix circuit, so that the effect of volume reduction, usability, and freedom of use This has an improved effect.
  • the above-mentioned usability and freedom of use are achieved when the user needs electricity, such as electric vehicles, emergency power, camping, and leisure power.
  • electricity such as electric vehicles, emergency power, camping, and leisure power.
  • electric vehicles electric wheelchairs, kickboards, electric bicycles, scooters, and automobiles require different voltages according to the characteristics of each product.
  • a charging/discharging system including a battery having a separate output for each device is required.
  • the first battery B1, the second battery B2, the third battery B3, and the fourth battery B4 included in the battery unit 100 are connected in series with each other.
  • the first battery B1 and the second battery B2 are disposed at the outermost among the four batteries connected in series.
  • the first switch S1 and the second switch S2 are respectively connected to the positive electrode and the negative electrode of the first battery 110 , are connected in parallel to each other, and are connected to one end of the load 10 .
  • the third switch S3 and the fourth switch S4 are respectively connected to the anode and the cathode of the third battery B3, are connected in parallel to each other, and the third switch S3 is connected to one end of the load 10, The fourth switch S4 is connected to the other end of the load 10 .
  • the fifth switch S5 and the sixth switch S6 are respectively connected to the positive and negative poles of the fourth battery B4, are connected in parallel with each other, and the fifth switch S5 is connected to one end of the load 10, The sixth switch S6 is connected to the other end of the load 10 .
  • the seventh switch S7 and the eighth switch S8 are respectively connected to the positive and negative poles of the second battery B2 and are connected in parallel to each other, and both the seventh switch S7 and the eighth switch S8 are loaded It is connected to the other end of (10).
  • the first battery B1 to the fourth battery B4 included in the battery unit 100 each include a predetermined output voltage
  • the control unit 300 includes the first switch S1 included in the switch unit 200 .
  • a predetermined control signal is applied to the to eighth switch S8 to determine the number and types of batteries connected to the load 10 to implement different output voltages.
  • Embodiment 1-3 In Embodiment 1-2 of the smart charge/discharge switch matrix system according to the present invention, the output voltages of the batteries included in the battery unit 100 are identical to each other.
  • the output voltages of each of the first to fourth batteries B1 to B4 included in the battery unit 100 are equal to each other.
  • the output voltage of a single battery included in the battery unit 100 may be 12V, and if all of the first to fourth batteries B1 to B4 are connected to the load 10 , the single battery 48V, which is four times the output voltage of
  • the output voltages of the batteries included in the battery unit 100 are not limited to the same thing, and there may be examples in which the output voltages of the batteries included in the battery unit 100 are different from each other.
  • Embodiment 2-1 In the smart charge/discharge switch matrix system of the present invention, in Embodiment 1-1, the control unit 300 receives the output voltage information required for the load 10 from the outside, and Accordingly, ON or OFF of each switch included in the switch unit 200 is controlled to match the output voltage of the battery unit 100 with the output voltage information.
  • the control unit 300 may receive output voltage information required for the load 10 from the outside.
  • the external may be a user or a load 10 .
  • the control unit 300 receives the output voltage information required for the load 10 from the user, the user directly transmits the output voltage information to the control unit 300 by manipulating a predetermined input device included in the present invention, or When connected to the load 10 that is connected to the invention, it is possible to transmit output voltage information required by the load 10 to the control unit 300 .
  • the user is riding in the electric vehicle 20 , and the present invention is applied to the electric vehicle.
  • the user may try to improve the speed of the electric vehicle 20 according to circumstances, and when the speed of the electric vehicle 20 is improved, the output voltage of the battery unit 100 should be improved.
  • the user transmits the output voltage information required to the control unit 300 using an input device applied to the electric vehicle 20 , and the control unit 300 uses the first switch S1 included in the switch unit 200 according to the output voltage information.
  • the eighth switch (S8) to increase the output voltage.
  • the user may try to reduce the speed of the electric vehicle 20 according to circumstances, and when the speed of the electric vehicle 20 is reduced, the output voltage of the battery unit 100 must be reduced.
  • the user transmits output voltage information required to the control unit 300 using an input device applied to the electric vehicle 20 , and the control unit 300 uses the first switch S1 included in the switch unit 200 according to the output voltage information.
  • a control signal is applied to the to eighth switch S8 to decrease the number of batteries connected to the load 10 to reduce the output voltage.
  • the control method for each switch according to the output voltage of the battery unit 100 in the control unit 300 is performed according to the table below.
  • the switch turned on may be changed.
  • the first switch S1 and the third switch S3 are turned on, the other switches are turned off, the third switch S3 and the fourth switch S4 are turned on, and the other switches are turned off, Even if the fifth switch S5 and the sixth switch S6 are turned on and the other switches are turned off, an output voltage of 12V may be generated.
  • the control unit 300 controls the switches so that two of the first batteries B1 to the fourth batteries B4 are connected to the load 10 when the output voltage is 24V, The switches are controlled so that three batteries among the first battery B1 to the fourth battery B4 are connected to the load 10 when the voltage is 36V.
  • SoC stack of charge
  • the present invention relates to a smart charge/discharge switch matrix system, and a sensing means 400 for sensing the SoC (Stack of Charge, remaining charge) of each of the batteries is added.
  • SoC Stack of Charge, remaining charge
  • SoC level information of each battery sensed by the sensing unit 400 may be transmitted to the control unit 300 , which is included in the switch unit 200 based on the information transmitted from the sensing unit 400 .
  • the control unit 300 By controlling the first switch S1 to the eighth switch S8 , at least one battery selected from among the first batteries B1 to the fourth batteries B4 may be connected to the load 10 .
  • the control unit 300 controlling the switches included in the switch unit 200 based on the sensing means 400 may differ depending on whether the type of the load 10 is a charging load or a discharging load.
  • the sensing means 400 senses the temperature for each battery in addition to the SoC level of the battery, and the control unit 300 controls the switches included in the switch unit 200 based on the temperature for each battery sensed by the sensing means 400 .
  • Embodiment 2-3 In the smart charge/discharge switch matrix system of the present invention, in Embodiment 2-2, the load 10 is a discharging load, and the control unit 300 is configured to maintain the predetermined output voltage. A battery is connected to the load, and the switch is controlled so that the SOC is higher than the reference value or the battery having the highest SOC is connected to the load.
  • the control unit 300 based on the SoC levels of the first batteries B1 to the fourth batteries B4 sensed by the sensing means 400, the first batteries B1 to Only a battery having an SoC level equal to or higher than a reference value among the fourth battery B4 may be connected to the load 10 .
  • the control method as described above is possible only when a predetermined output voltage can be maintained. For example, when the reference value for connecting the battery to the load 10 is 60%, the SoC level of the first battery B1 is 40%, which is less than the reference value, and the second battery B2 to the fourth battery The SoC level of (B4) is 80%, which may be higher than the reference value.
  • the control unit 300 switches the second battery B2 to the fourth battery B4 except for the first battery B1 to be connected to the load 10 .
  • the switches included in the unit 200 are controlled.
  • the control unit 300 is included in the switch unit 200 so that all of the first battery B1 to the fourth battery B4 are connected to the load 10 . control the switches.
  • Embodiment 2-4 In the smart charge/discharge switch matrix system of the present invention, in Embodiment 2-2, the load 10 is a charging load, and the control unit 300 determines that the SoC is lower than the reference value or the SoC is the lowest. The switches included in the switch unit 200 are controlled so that the battery is connected to the load.
  • the control unit 300 based on the SoC levels of the first batteries B1 to the fourth batteries B4 sensed by the sensing means 400, the first batteries B1 to Among the fourth batteries B4 , a battery having an SoC level equal to or less than a reference value may be preferentially connected to the load 10 . This is to evenly balance the SoC levels of the first to fourth batteries B1 to B4.
  • the control unit 300 loads the battery having the lowest SoC level among the first battery B1 to the fourth battery B4 ( 10) to charge the corresponding battery.
  • the smart charge/discharge switch matrix system of the present invention includes; in Embodiment 1-1, the control unit 300 applies a control signal to the switch unit 200 using a voltage regulator; .
  • a voltage regulator is a DC-DC converter that outputs a constant voltage by input voltage.
  • a cell phone's battery voltage may be 12V, but the voltage required for an internally driven device may be 5V. Therefore, it is necessary to convert 12V to 5V inside the mobile phone, and the voltage regulator performs the task of converting 12V to 5V.
  • the voltage regulator used in the present invention may be, for example, SPAN02-12A, and was manufactured by MEAN WELL (Co.). The voltage regulator performs the function of turning the switch ON or OFF through the internal R.C (Remote Control) pin, and the ground of the input and output is separated from each other.
  • the control unit 300 applies a control signal to the switch unit 200 using a voltage regulator.
  • the method using the voltage regulator has the advantage of not having to make other circuits because all the elements constituting the voltage regulator are configured in one device, but has the advantage of not having to make other circuits. Since it is simple in circuit and has relatively high efficiency, it is widely applied in the field of power electronics.
  • Embodiment 3-2 In the smart charge/discharge switch matrix system of the present invention in Embodiment 1-2, the control unit 300 applies a control signal to the switch unit 200 using a flyback converter.
  • a flyback converter is also a kind of voltage regulator, and is a DC-DC converter.
  • the difference from the voltage regulator method described above is that a circuit for driving an SMPS (Switch Mode Power Supply) does not exist inside a device, but an externally configured circuit is configured to output an output. In this way, in order to configure the circuit for driving the SMPS, the overall circuit becomes complicated, but has advantages of high economic efficiency and small volume.
  • SMPS Switch Mode Power Supply
  • the switch unit 200 includes a ninth switch (S9) connected between both ends of the third battery (B3) and and a tenth switch S10 connected between both ends of the fourth battery B4.
  • the first batteries B1 to the fourth batteries B4 included in the battery unit 100 described above are connected in series with each other, so that the outermost first and second batteries B1 and B2 are connected to each other.
  • the switch unit 200 of the present invention includes a ninth switch S9 connected between both ends of the third battery B3 and a tenth switch S10 connected between both ends of the fourth battery B4. ) is included.
  • the ninth switch S9 and the tenth switch S10 are turned off in a normal state, and when the third battery B3 malfunctions or breaks down, the ninth switch S9 turns on, and the fourth battery B4 is turned on. is malfunctioning or malfunctions, the tenth switch S10 is turned on, and in the battery unit 100 , in a state in which the third battery B3 or the fourth battery B4 is not connected to the load 10 , the remaining first battery (B1) and the second battery (B2) can be used.
  • battery unit B1 first battery
  • B2 Second battery
  • B3 Third battery
  • B4 fourth battery B5: fifth battery
  • control unit 400 sensing means

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)

Abstract

La présente invention concerne un système intelligent de matrice de commutation de charge et de décharge qui permet de produire diverses sorties dans un système unique, et un système intelligent de matrice de commutation de charge et de décharge connecté à une charge (10), le système comprenant : une partie batterie (100) comprenant au moins deux batteries connectées l'une à l'autre en série ; une partie de commutation (200) comprenant une pluralité de commutateurs connectés respectivement à des électrodes positives et à des électrodes négatives des batteries incluses dans la partie batterie (100), et connectés les uns aux autres en parallèle ; et une partie de commande (300) pour commander le nombre de batteries connectées à la charge, en transmettant un signal de commande pour chaque commutateur inclus dans la partie de commutation (200).
PCT/KR2020/016767 2020-11-24 2020-11-25 Système intelligent de matrice de commutation de charge et de décharge WO2022114251A1 (fr)

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KR1020200158515A KR102266218B1 (ko) 2020-11-24 2020-11-24 스마트 충방전 스위치 매트릭스 시스템
KR10-2020-0158515 2020-11-24

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05236608A (ja) * 1992-02-24 1993-09-10 Fuji Electric Co Ltd 電気自動車の主回路システム
JP2008067500A (ja) * 2006-09-07 2008-03-21 Nissan Motor Co Ltd 電力供給装置
KR101241670B1 (ko) * 2011-09-05 2013-03-11 에스케이씨앤씨 주식회사 분리 충전할 배터리 셀들을 적응적으로 가변시키는 배터리 충전 장치 및 그의 배터리 충전 제어방법
US20140015488A1 (en) * 2011-03-02 2014-01-16 Ghislain Despesse Battery with Individual Cell Management
KR20160057787A (ko) * 2014-11-14 2016-05-24 현대모비스 주식회사 전압 가변형 배터리 모듈

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110040195A (ko) 2009-10-13 2011-04-20 삼성전자주식회사 전력공급장치 및 그 구동방법
KR20170129456A (ko) 2016-05-17 2017-11-27 엘에스산전 주식회사 배터리 에너지 저장 시스템
KR102074686B1 (ko) 2017-05-19 2020-02-07 엘에스산전 주식회사 하이브리드 에너지 저장 시스템
KR20200125094A (ko) 2019-04-26 2020-11-04 한국전지연구조합 하이브리드 충방전 시스템

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05236608A (ja) * 1992-02-24 1993-09-10 Fuji Electric Co Ltd 電気自動車の主回路システム
JP2008067500A (ja) * 2006-09-07 2008-03-21 Nissan Motor Co Ltd 電力供給装置
US20140015488A1 (en) * 2011-03-02 2014-01-16 Ghislain Despesse Battery with Individual Cell Management
KR101241670B1 (ko) * 2011-09-05 2013-03-11 에스케이씨앤씨 주식회사 분리 충전할 배터리 셀들을 적응적으로 가변시키는 배터리 충전 장치 및 그의 배터리 충전 제어방법
KR20160057787A (ko) * 2014-11-14 2016-05-24 현대모비스 주식회사 전압 가변형 배터리 모듈

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