WO2010018644A1 - 蓄電システム - Google Patents
蓄電システム Download PDFInfo
- Publication number
- WO2010018644A1 WO2010018644A1 PCT/JP2008/069806 JP2008069806W WO2010018644A1 WO 2010018644 A1 WO2010018644 A1 WO 2010018644A1 JP 2008069806 W JP2008069806 W JP 2008069806W WO 2010018644 A1 WO2010018644 A1 WO 2010018644A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cell balance
- balance control
- voltage
- battery module
- cell
- Prior art date
Links
Images
Classifications
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Definitions
- the present invention relates to a power storage system in which battery modules each including an assembled battery in which a plurality of batteries are connected in series are connected in parallel.
- the cell balance method generally operates so as to equalize each cell voltage.
- a balance error occurs due to a voltage drop caused by the charge / discharge current and the internal resistance. . Since this error becomes significant when charging / discharging with a large current, it has been conventionally proposed to perform equalization control when charging / discharging is stopped or when the charging / discharging current is small.
- Japanese Patent No. 3229696
- the present invention has been made to solve the above problem, and an object thereof is to provide a power storage system capable of reliably performing a cell balance operation while suppressing deterioration of a battery and a decrease in operating efficiency. .
- the present invention includes a plurality of battery modules connected in parallel and connected to a power conversion device that controls charging / discharging, and a plurality of switching devices provided between each of the battery modules and the power conversion device.
- each of the battery modules includes a battery pack in which a plurality of batteries are connected in series, and a cell balance circuit provided corresponding to the battery pack.
- the control unit opens the switchgear corresponding to the battery module that performs the cell balance control, the cell balance control is finished, and When the difference between the terminal voltage of the battery module subjected to the cell balance control and the terminal voltage of the other battery module falls within a predetermined allowable range, On purpose to have said opening and closing apparatus for providing power storage system to a closed state.
- the power storage system includes a resistance unit connected in parallel to each of the switchgears and a second switchgear connected in series with the resistor unit, and the control unit includes a cell of the battery module
- the second switchgear corresponding to the battery module that has been performing cell balance control is closed, and the terminal voltage of the battery module that has been subjected to cell balance control and the other terminal
- the second switchgear is opened, and the switchgear connected in parallel to the second switchgear is It is good also as making it a closed state.
- the battery module and the power converter are connected via the resistance unit, so that the current flowing through the battery module can be limited. Further, by providing the resistance portion in this way, the battery module that has been performing cell balance control can be connected to the power conversion device at an early stage, and the capacity of the power storage system can be improved.
- the power storage system includes a resistance unit connected in parallel to each of the switching devices, and a second switching device connected in series with the resistance unit, and the control unit performs the cell balance control.
- the control unit performs the cell balance control.
- the battery module and the power converter are connected via the resistance unit, so that the current flowing through the battery module can be limited. Further, by providing the resistance portion in this way, the battery module that has been performing cell balance control can be connected to the power conversion device at an early stage, and the capacity of the power storage system can be improved.
- the power storage system includes a charging / discharging device for adjusting a voltage of each of the assembled batteries, and the control unit includes a battery module that has been subjected to the cell balance control when the cell balance control is completed.
- the charging / discharging device may be operated according to a difference between a terminal voltage and a terminal voltage of the other battery module.
- the control unit when the cell balance control by the cell balance circuit is started, the control unit performs cell balance control only during a period of measuring each cell voltage of the assembled battery that is a target of cell balance control.
- the opening / closing device corresponding to the battery module performing the above may be opened.
- the battery module since the battery module has only to be separated from the power conversion device for a short time during which the cell voltage is measured, the voltage change of the battery module during this period can be kept small. As a result, this battery module can be quickly re-inserted without considering the voltage difference with other battery modules.
- the power storage system includes a voltage conversion device instead of the switching device, and the control unit defines a current flowing through the battery module that performs cell balance control when cell balance control by the cell balance circuit is started.
- the voltage conversion device may be controlled to be equal to or less than a value, and when the cell balance control is completed, the operation of the voltage conversion device may be returned to a normal state.
- the current flowing through each battery module can be controlled by controlling the operation of the voltage conversion device.
- a voltage converter is operated so that the electric current which flows into the battery module which performs cell balance control may be suppressed, and when cell balance control is complete
- the phrase “so that the current flowing through the battery module is equal to or less than a specified value” is a concept including a case where the current is zero. In other words, the case where the operation of the voltage converter is stopped is also included.
- the control unit performs the cell balance control when the required power amount corresponding to the state of the load cannot be borne only by the power supply from the other battery modules during the cell balance control. It is good also as stopping and returning the driving
- the control unit when the cell balance control by the cell balance circuit is started, the control unit performs cell balance control only during a period of measuring each cell voltage of the assembled battery that is a target of cell balance control.
- the voltage conversion device may be controlled so that the current flowing through the battery module performing the operation is equal to or less than a predetermined value, and after the cell voltage is measured, the operation of the voltage conversion device may be returned to a normal state.
- the above “suppresses the current flowing through the battery module” is a concept including a case where the current is zero. In other words, the case where the operation of the voltage converter is stopped is also included.
- the power storage system includes a voltage conversion device connected to the power conversion device, and a fourth switching device provided between each of the battery modules and the voltage conversion device, and the control unit includes the cell
- the switchgear corresponding to the battery module performing cell balance control is opened, and the fourth switchgear corresponding to the battery module is closed.
- the open / close device that has been opened may be closed, and the fourth open / close device that has been closed may be opened.
- the arm during cell balance control can always be connected to the power conversion device, so the arm is charged and discharged even during cell balance control. It becomes possible. Thereby, the capability of the power storage system can be improved.
- control unit may have a maximum number of battery modules capable of performing cell balance control at the same time, and may perform cell balance control within the range of the maximum number.
- control unit may perform the cell balance control in preference to a battery module having a large variation in cell voltage.
- control unit is configured such that a difference between a cell voltage difference of the battery module performing cell balance control and a cell voltage difference of the battery module waiting for cell balance control is equal to or less than a predetermined threshold value.
- the battery modules that perform cell balance control may be switched.
- the maximum number of battery modules that can simultaneously perform cell balance control may be set to a number that can cover an average load.
- the present invention there is an effect that the cell balance operation can be surely performed while suppressing the deterioration of the battery and the decrease in the operation efficiency.
- FIG. 1 is a block diagram showing a schematic configuration of a power storage system according to the first embodiment of the present invention.
- the power storage system includes a plurality of arms (battery modules) 1-1, 1-2,.
- Each of the arms 1-1, 1-2,... 1-m has the same configuration.
- arm 1-1 includes a battery pack 2 in which a plurality of cells (batteries) C1, C2,..., Cn are connected in series, a cell balance circuit 3, A cell voltage sensor 4 that measures the voltage of each cell C1, C2,..., Cn, an assembled battery voltage sensor 5 that measures the voltage across the terminals of the assembled battery 2, an arm control device that controls the cell balance circuit 3 and the like 6 is provided.
- a battery pack 2 in which a plurality of cells (batteries) C1, C2,..., Cn are connected in series
- a cell balance circuit 3 A cell voltage sensor 4 that measures the voltage of each cell C1, C2,..., Cn
- an assembled battery voltage sensor 5 that measures the voltage across the terminals of the assembled battery 2
- an arm control device that controls the cell balance circuit 3 and the like 6 is provided.
- Each arm 1-1, 1-2,... 1-m is connected to the power converter 20 via the switching devices 10-1, 10-2, 10-m.
- the power conversion device 20 is connected to, for example, a commercial system to which a load is connected, and supplies power from the power storage system to the load or takes in power from the commercial system to charge the power storage system.
- the switchgears 10-1, 10-2, 10-m and the power conversion device 20 are controlled by a system control device (control unit) 30. Further, the system control device 30 and the arm control device 6 included in each arm 1-1, 1-2,... 1-m are configured to be able to exchange information. Thereby, for example, by exchanging information with each other, the system control device 30 controls the opening / closing of the switching devices 10-1, 10-2, 10-m in synchronization with the operation timing of the cell balance circuit 3. Further, the arm control devices 6 of the arms 1-1, 1-2,... 1-m can exchange information with each other. Accordingly, for example, the voltage between the terminals of the assembled battery 2 included in each arm 1-1, 1-2,... 1-m can be shared between the arms.
- the system controller 30 closes all of the switchgears 10-1, 10-2,... 10-m, and each arm 1-1, 1-2,. 1-m and the power conversion device 20 are connected. At the time of discharging, the electric power stored in the assembled battery 2 included in each arm 1-1, 1-2,... 1-m is supplied to the load via the power conversion device 20, and at the time of charging, Power from the system is supplied to each assembled battery 2 via the power conversion device 20.
- the cell voltage sensors 4 of the arms 1-1, 1-2,... 1-m are connected to the cells C1, C2,. ..Detecting the cell voltage of Cn and outputting the detection result to the arm control device 6.
- the battery voltage sensor 5 detects the voltage between the terminals of the battery pack 2, and the detection result is output to the arm controller 6.
- the arm control device 6 calculates the voltage difference of each cell, and when this voltage difference is outside a predetermined equal range set in advance, cell balance control (equalization of cell voltages) is necessary. Judgment is made and a signal to that effect is output to the system controller 30.
- cell balance control equalization of cell voltages
- the system controller 30 notified of the necessity of cell balance control from the arm controller 6 of the arm 1-1 opens the switch 10-1 corresponding to the arm 1-1 and opens the switch 10-1. Is notified to the arm control device 6 of the arm 1-1. Upon receiving this notification, the arm control device 6 operates the cell balance circuit 3. Thereby, cell balance control of the arm 1-1 is started, and the voltage difference between the cells C1, C2, Cn is gradually equalized. When the cell voltage difference falls within a preset equal range, the arm control device 6 stops the operation of the cell balance circuit 3 and notifies the system control device 30 that the cell balance control has been completed.
- the system control device 30 Upon receipt of the end notification of the cell balance control, the system control device 30 receives each arm 1-1, 1-2,... From the arm control device 6 provided in each arm 1-1, 1-2,. ..Information on the voltage between terminals of the assembled battery 2 of 1-m is periodically received, and the voltage between terminals of the assembled battery 2 of the arm 1-1 and the assembled batteries 2 of the other arms 1-2 and 1-m When the voltage difference from the terminal voltage is within a predetermined allowable range, the switching device 10-1 corresponding to the arm 1-1 is closed. As a result, the arm 1-1 is reconnected to the power conversion device 20, and charging and discharging are possible.
- the switchgears 10-1, 10 between the arms 1-1, 1-2, ... 1-m and the power converter 20 are provided. ⁇ 2,... 10-m are provided, it is possible to disconnect only the arm 1-1 that performs cell balance control from the power converter 20. As a result, the other battery modules 1-2,..., 1-m can be continuously charged and discharged. Furthermore, when the arm 1-1 that has been disconnected is turned on again, the voltage difference with the other arms 1-2,... Therefore, it is possible to suppress the deterioration of the assembled battery 2 included in the arm 1-1.
- a known circuit can be applied to the cell balance circuit 3. Moreover, it is possible to appropriately set / change the criteria for determining whether or not the cell balance control in the arm control device 6 is necessary. For example, when the difference between the maximum value and the minimum value of the cell voltage is equal to or greater than a preset reference value, it may be determined that cell balance control is necessary.
- the system control device 30 when the system control device 30 receives a notification that the cell balance control is to be performed from the arm control device 6 of the arm 1-1, the system control device 30 opens the switching device 10-1 corresponding to the arm 1-1. It is opened and a notification to the effect of opening is sent to the arm control device 6 of the arm 1-1.
- the arm control device 6 executes each process related to the cell balance control in a predetermined order.
- the cell voltage is measured by the cell voltage sensor 4, and the measurement result is output to the arm control device 6.
- the arm control device 6 notifies the system control device 30 that the measurement of the cell voltage is completed. Upon receiving this notification, the system control device 30 closes the open / close device 10-1 that has been open.
- the arm control device 6 of the arm 1-1 acquires the measurement result of each cell voltage from the cell voltage sensor 4, after calculating the time required for the cell balance control from the variation in the cell voltage, the arm control circuit 6 Activate and time the operation. Then, when the time calculated from the start of the operation of the cell balance circuit 3 has elapsed, the arm control device 6 stops the operation of the cell balance circuit 3 and notifies the system control device 30 that the cell balance control has ended. To do.
- the arm that performs cell balance control is disconnected from the power conversion device 20 only during a short period of time during which cell voltage is measured in cell balance control.
- the voltage change of the assembled battery 2 of the arm can be kept small. This eliminates the need for voltage adjustment when switching the switching device from the open state to the closed state, as in the first embodiment described above, and allows the arm to be reconnected to the power converter early. . As a result, it is possible to perform normal charge / discharge control while performing cell balance control, and it is possible to suppress a decrease in efficiency of the power storage system due to cell balance control.
- the power storage system of this embodiment is different from that of the first embodiment in that the current suppression units 40-1, 40-2,... For each switchgear 10-1, 10-2,. 40-m are connected in parallel.
- the current suppression units 40-1, 40-2,..., 40-m each have a configuration in which a resistance element (resistance unit) 41 and a second switching device 42 are connected in series.
- the system control device 30 is in the closed state when receiving a notification from the arm control device 6 of the arm 1-1 that the cell balance control of the arm 1-1 is necessary.
- the switchgear 10-1 is opened, and the arm 1-1 and the power converter 20 are disconnected.
- the cell balance control of the arm 1-1 is performed under the control of the arm control device 6, and when the cell balance control is finished, the arm control device 6 finishes the cell balance control with respect to the system control device 30.
- the system control device 30 closes the second switching device 42 of the current suppressing unit 40-1 corresponding to the arm 1-1 while maintaining the switching device 10-1 in the open state. .
- the power converter 20 and the arm 1-1 are connected via the resistance element 41.
- the system controller 30 determines that the difference between the voltage between the terminals of the assembled battery 2 of the arm 1-1 subjected to cell balance control and the voltage between the terminals of the assembled battery 2 of the other arm is within a predetermined allowable range.
- the second switching device 42 of the current suppressing unit 40-1 is opened, and the switching device 10-1 of the arm 1-1 is closed.
- the arm and the power conversion device 20 are connected via the resistance element 41, so that the current flowing through the arm is limited. It becomes possible. Further, by providing the resistance element 41 in this way, the arm that has been performing cell balance control can be connected to the power conversion device 20 at an early stage, and the capacity of the power storage system can be improved.
- the system control device 30 closes the second opening / closing device 42 and the opening / closing device corresponding to the arm and performs cell balance control.
- the second opening / closing device 42 and the opening / closing device corresponding to the arm to be opened are opened.
- the system control device 30 closes the second opening / closing device corresponding to the arm that has been performing the cell balance control, and further, the arm of which the cell balance control has been performed.
- the switchgear corresponding to the arm that has been performing cell balance control is closed. Even when the switching device is switched in this way, the same effect can be obtained.
- the power storage system of this embodiment is different from that of the first embodiment in that each of the arms 1-1, 1-2,... 1-m is further provided with a charging / discharging device 7 that controls charging / discharging of the assembled battery 2. It is a point provided.
- the arm control device 6 transmits the voltage between the terminals of the assembled battery 2 of the arm 1-1 and the other arms 1-2,. ... 1 ⁇ m is compared with the inter-terminal voltage of the assembled battery 2 to determine whether or not these differences are within an allowable range.
- the arm control device 6 operates the corresponding charging / discharging device 7 to charge / discharge the assembled battery 2, so that the voltage between the terminals of this assembled battery 2 is changed to the other arm 1-1.
- the voltage between the terminals of the assembled battery 2 of 2 is changed to the other arm 1-1.
- the system controller 30 is notified of this.
- the system control device 30 closes the switching device 10-1 corresponding to the arm 1-1, and reconnects the arm 1-1 to the power conversion device 20.
- the charging / discharging device 7 can be operated to adjust the terminal voltage of the arm 1-1.
- the voltage between the terminals of the assembled battery 2 of the arm 1 that has performed the cell balance control can be quickly brought close to the voltage between the terminals of the assembled battery 2 of the other arm, and the arm 1-1 that has performed the cell balance control. It becomes possible to advance the time of re-introduction.
- the charging / discharging device 7 is provided in each of the arms 1-1, 1-2,... 1-m, but as shown in FIG. 2,... 1-m is provided with one charging / discharging device 7, and this charging / discharging device 7 and the assembled battery 2 of each arm 1-1, 1-2,.
- the switching devices 12-1, 12-2,..., 12-m may be connected. In such a configuration, only the third switching device corresponding to the assembled battery 2 that needs to be charged / discharged is closed, and the assembled battery 2 and the charging / discharging device 7 are connected to charge / discharge the assembled battery 2. I do.
- the power storage system of this embodiment is different from that of the first embodiment in that the voltage converters 50-1, 50- are replaced with the switchgears 10-1, 10-2, 10-m. 2,50-m.
- the voltage converters 50-1, 50-2, 50-m are, for example, converters.
- the system control device 30 when the cell balance control of the arm 1-1 is started, the system control device 30 causes the current flowing through the arm 1-1 that performs the cell balance control to be equal to or less than a specified value.
- the voltage converter 50-1 is controlled.
- the system control device 30 may stop the operation of the voltage conversion device 50-1. By stopping the operation, the current flowing through the arm 1-1 can be made zero.
- the system control device 30 gradually returns the operation of the voltage conversion device 50-1 to the normal state when the notification that the cell balance control is completed is received from the arm control device 6 of the arm 1-1. As a result, the current flowing through the arm 1-1 increases, and a normal charge / discharge state is achieved after a predetermined period.
- the power storage system includes the voltage converters 50-1, 50-2, and 50-m instead of the switchgears 10-1, 10-2, and 10-m.
- the voltage converters 50-1, 50-2, 50-m By controlling the operation of the voltage converters 50-1, 50-2, 50-m, it becomes possible to control the current flowing through the arms 1-1, 1-2,.
- the voltage converter is operated so as to suppress the current flowing through the arm that performs the cell balance control, and when the cell balance control is finished, the voltage is gradually increased.
- the operation of the conversion device By returning the operation of the conversion device to the normal state, it is possible to avoid an overcurrent from flowing through the arm.
- the arm under cell balance control can always be connected to the power converter 20, so that the arm can be charged even during cell balance control. It becomes possible to perform discharge. Thereby, the capability of the power storage system can be improved.
- the system control device 30 determines whether the arm 1-1 becomes unable to bear the required power amount by the other arms 1-2,..., 1-m during the cell balance control of the arm 1-1.
- the cell balance control 1-1 may be stopped, and the operation of the voltage converter 50-1 corresponding to the arm 1-1 on which the cell balance control was performed may be returned to the normal state. By doing in this way, it is possible to perform operation while maintaining the performance of the power storage system even during cell balance control.
- the operation of the voltage converter 50-1 is suppressed over the period in which the cell balance control is performed.
- the operation of the voltage converter 50-1 may be suppressed only when the cell voltage is measured. Thereby, voltage converter 50-1 can be returned to a normal operation state at an early stage, and it is possible to suppress a decrease in charge / discharge efficiency of the power storage system due to cell balance control.
- the voltage converters 50-1, 50-2, 50-m are provided corresponding to the respective arms, but instead of this configuration, for example, FIG. As shown, one voltage conversion device 50 may be provided, and this voltage conversion device 50 and each arm 1-1, 1-2,... 1-m may be connected via a fourth switching device. Good. In such a configuration, only the fourth switching device corresponding to the arm 1-1 performing cell balance control is closed, and the arm 1-1 is connected to the power conversion device 20 via the voltage conversion device 50. By doing so, the same effect as in the case of the configuration shown in FIG. 5 can be obtained.
- the system control device 30 has the maximum number of arms that can perform the cell balance control at the same time, and performs the cell balance control within the range of the maximum number.
- the maximum number is set to a number that can cover an average load, for example.
- the cell balance control is sequentially performed for the arms waiting for the turn by switching the arm that performs the cell balance control.
- cell balance control can be efficiently performed, and variations in cell voltage between arms can be equalized.
- the arm for performing the cell balance control is switched when the cell balance control is completed.
- the arm switching timing may be as follows.
- the system control device 30 periodically receives each cell voltage of each assembled battery 2 from the arm control device 6 of the arm performing cell balance control and the arm control device 6 of the arm waiting for cell balance control. Then, the maximum value of the cell voltage difference is calculated for each arm from the received cell voltage in each arm. Then, cell balance control is performed when the difference between the maximum value of the cell voltage difference of the arm performing cell balance control and the maximum value of the cell voltage difference of the arm waiting for cell balance control is equal to or less than a predetermined threshold value. Perform arm switching.
- the arm control device 6 is provided in each of the arms 1-1, 1-2,... 1-m, and information is exchanged between the arm control device 6 and the system control device 30.
- cell balance control or the like has been performed, but the configuration and arrangement of these control devices 30 are not limited.
- the arm control device 6 (see FIG. 1) provided in each arm 1-1, 1-2,. It is also possible to perform all the control related to the cell balance control only by the system control device 30 by assigning the function to the system control device 30.
- the system control device 30 may be provided in the power conversion device 20 ′.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
Description
上記「電池モジュールに流れる電流が規定値以下となるように」とは、電流がゼロの場合も含む概念である。換言すれば、電圧変換装置の作動を停止させる場合も含むものとする。
また、上記態様は、可能な範囲で組み合わせて利用することができるものである。
2 組電池
3 セルバランス回路
4 セル電圧センサ
5 組電池電圧センサ
6 アーム制御装置
7 充放電装置
10-1,10-2,・・・10-m 開閉装置
12-1,12-2,・・・12-m 第3の開閉装置
20,20’ 電力変換装置
30 システム制御装置
40-1,40-2,・・・40-m 電流抑制部
41 抵抗素子
42 第2の開閉装置
50,50-1,50-2,・・・50-m 電圧変換装置
〔第1の実施形態〕
図1は、本発明の第1の実施形態に係る蓄電システムの概略構成を示したブロック図である。図1に示すように、蓄電システムは、並列に接続される複数のアーム(電池モジュール)1-1,1-2,・・・1-mを備えている。各アーム1-1,1-2,・・・1-mは、それぞれ同様の構成を備えている。アーム1-1を例に挙げて説明すると、アーム1-1は、複数のセル(電池)C1,C2,・・・,Cnが直列に接続された組電池2と、セルバランス回路3と、各セルC1,C2,・・・,Cnの電圧を計測するセル電圧センサ4と、組電池2の端子間電圧を計測する組電池電圧センサ5と、セルバランス回路3等を制御するアーム制御装置6とを備えている。
以下、アーム1-1においてセルバランス制御が必要であると判断された場合を想定して説明する。
更に、非接続状態としたアーム1-1を再投入する場合には、他のアーム1-2,・・・1-mとの電圧差を考慮するので、過電流が流れる等の問題を解消することができ、アーム1-1が備える組電池2の劣化を抑制することが可能となる。
次に、本発明の第2の実施形態に係る蓄電システムついて説明する。
上述した第1の実施形態では、セルバランス制御が終了するまで、セルバランス制御を行っているアームに対応する開閉装置を開状態とし、このアームと電力変換装置とを非接続状態としていた。本実施形態では、蓄電システムの構成は上述した第1の実施形態と同様であるが、システム制御装置30による開閉装置の開閉タイミングが異なる。
以下、本実施形態に係る蓄電システムについて、図1を用いて説明する。また、本実施形態においても、アーム1-1においてセルバランス制御が必要であると判断された場合を想定して説明を行う。
次に、本発明の第3の実施形態に係る蓄電システムついて、図2を用いて説明する。以下、本実施形態の蓄電システムについて、第1の実施形態と共通する点については説明を省略し、異なる点について主に説明する。また、本実施形態においても、アーム1-1においてセルバランス制御が必要であると判断された場合を想定して説明を行う。
次に、本発明の第4の実施形態に係る蓄電システムついて、図3を用いて説明する。以下、本実施形態の蓄電システムについて、第1の実施形態と共通する点については説明を省略し、異なる点について主に説明する。また、本実施形態においても、アーム1-1においてセルバランス制御が行われていた場合を想定して説明を行う。
このような構成を備える蓄電システムにおいて、アーム1-1のセルバランス制御が終了すると、アーム制御装置6は、アーム1-1の組電池2の端子間電圧と、他のアーム1-2,・・・1-mの組電池2の端子間電圧とを比較し、これらの差分が許容範囲内であるか否かを判定する。
次に、本発明の第5の実施形態に係る蓄電システムついて、図5を用いて説明する。以下、本実施形態の蓄電システムについて、第1の実施形態と共通する点については説明を省略し、異なる点について主に説明する。また、本実施形態においても、アーム1-1においてセルバランス制御が必要であると判断された場合を想定して説明を行う。
次に、本発明の第6の実施形態に係る蓄電システムついて説明する。
上述した各実施形態においては、一つのアーム1-1をセルバランス制御する場合について述べたが、本実施形態では、複数のアームのセルバランス制御を同時に行う点で異なる。以下、システム構成として図1に示した第1の実施形態を例に挙げて、本実施形態に係るシステム制御装置の制御方法について説明する。
例えば、システム制御装置30は、定期的に、セルバランス制御を行っているアームのアーム制御装置6及びセルバランス制御待ちのアームのアーム制御装置6から、それぞれの組電池2の各セル電圧を受信し、受信した各アームにおけるセル電圧からセル電圧差の最大値をアーム毎に算出する。そして、セルバランス制御を行っているアームのセル電圧差の最大値とセルバランス制御待ちのアームのセル電圧差の最大値との差分が既定の閾値以下となった場合に、セルバランス制御を行うアームの切り替えを行う。
上述した各実施形態においては、各アーム1-1,1-2,・・・1-m内にアーム制御装置6を設け、このアーム制御装置6とシステム制御装置30との間で情報を授受することにより、セルバランス制御等を行っていたが、これら制御装置30の構成や配置については限定されない。
例えば、図7に示すように、各アーム1-1,1-2,・・・1-mに設けられていたアーム制御装置6(図1参照)を省略するとともに、このアーム制御装置6の機能をシステム制御装置30に担わせることで、システム制御装置30だけでセルバランス制御に関する全ての制御を行うこととしてもよい。
また、この場合において、図8に示すように、システム制御装置30を電力変換装置20’に設けることとしてもよい。
Claims (13)
- 並列に接続されるとともに、充放電を制御する電力変換装置と接続される複数の電池モジュールと、
前記電池モジュールの各々と前記電力変換装置との間に設けられた複数の開閉装置と、
前記開閉装置を制御する制御部と
を備え、
前記電池モジュールの各々は、
複数の電池が直列に接続された組電池と、
該組電池に対応して設けられたセルバランス回路と
を有し、
前記制御部は、
前記セルバランス回路によるセルバランス制御が開始される場合に、セルバランス制御を行う前記電池モジュールに対応する前記開閉装置を開状態とし、
前記セルバランス制御が終了し、かつ、前記セルバランス制御が行われた前記電池モジュールの端子間電圧と他の前記電池モジュールの端子間電圧との差分が既定の許容範囲内となった場合に、開状態としていた前記開閉装置を閉状態とする蓄電システム。 - 前記開閉装置の各々に対して並列に接続される抵抗部と、
前記抵抗部と直列に接続される第2の開閉装置と
を備え、
前記制御部は、
前記電池モジュールのセルバランス制御が終了した場合に、セルバランス制御を行っていた前記電池モジュールに対応する前記第2の開閉装置を閉状態とし、
セルバランス制御が行われた前記電池モジュールの端子間電圧と他の前記電池モジュールの端子間電圧との差分が既定の許容範囲内となった場合に、前記第2の開閉装置を開状態とするとともに、該第2の開閉装置に並列接続されている前記開閉装置を閉状態とする請求項1に記載の蓄電システム。 - 前記開閉装置の各々に対して並列に接続される抵抗部と、
前記抵抗部と直列に接続される第2の開閉装置と
を備え、
前記制御部は、
前記セルバランス制御を行っていない前記電池モジュールに関しては、該電池モジュールに対応する前記第2の開閉装置と前記開閉装置とを閉状態とし、
前記電池モジュールのセルバランス制御を行う場合に、該電池モジュールに対応する前記第2の開閉装置と前記開閉装置とを開状態とし、
該セルバランス制御が終了した場合に、セルバランス制御を行っていた前記電池モジュールに対応する前記第2の開閉装置を閉状態とし、
セルバランス制御が行われた前記電池モジュールの端子間電圧と他の前記電池モジュールの端子間電圧との差分が既定の許容範囲内となった場合に、セルバランス制御を行っていた前記電池モジュールに対応する前記開閉装置を閉状態とする請求項1に記載の蓄電システム。 - 前記組電池の各々の電圧を調整するための充放電装置を備え、
前記制御部は、前記セルバランス制御が終了した場合に、前記セルバランス制御が行われた前記電池モジュールの端子間電圧と他の前記電池モジュールの端子間電圧との差分に応じて、前記充放電装置を作動させる請求項1に記載の蓄電システム。 - 前記制御部は、前記セルバランス回路によるセルバランス制御が開始される場合に、セルバランス制御の対象となる前記組電池の各セル電圧を計測する期間に限って、セルバランス制御を行う前記電池モジュールに対応する前記開閉装置を開状態とする請求項1に記載の蓄電システム。
- 前記開閉装置に代えて、電圧変換装置を備え、
前記制御部は、
前記セルバランス回路によるセルバランス制御が開始される場合に、セルバランス制御を行う前記電池モジュールに流れる電流が規定値以下となるように前記電圧変換装置を制御し、前記セルバランス制御が終了した場合に、前記電圧変換装置の運転を正常状態に戻す請求項1に記載の蓄電システム。 - 前記制御部は、
前記セルバランス制御中において、負荷の状態に応じた要求電力量を他の前記電池モジュールからの電力供給だけでは負担できなくなった場合に、前記セルバランス制御を停止させ、前記セルバランス制御が行われていた前記電池モジュールに対応する前記電圧変換装置の運転を通常状態に戻す請求項6に記載の蓄電システム。 - 前記制御部は、前記セルバランス回路によるセルバランス制御が開始される場合に、セルバランス制御の対象となる前記組電池の各セル電圧を計測する期間に限って、セルバランス制御を行う前記電池モジュールに流れる電流が規定値以下となるように前記電圧変換装置を制御し、前記セル電圧の計測後は、前記電圧変換装置の運転を通常状態に戻す請求項6または請求項7に記載の蓄電システム。
- 前記電力変換装置と接続される1台の電圧変換装置と、
各前記電池モジュールと前記電圧変換装置との間に設けられた第4の開閉装置と
を備え、
前記制御部は、
前記セルバランス回路によるセルバランス制御が開始される場合に、セルバランス制御を行う前記電池モジュールに対応する前記開閉装置を開状態とするとともに、該電池モジュールに対応する前記第4の開閉装置を閉状態とし、
前記セルバランス制御が終了した場合に、開状態としていた前記開閉装置を閉状態とするとともに、閉状態としていた前記第4の開閉装置を開状態とする請求項6から請求項8のいずれかに記載の蓄電システム。 - 前記制御部は、同時にセルバランス制御を行うことができる電池モジュールの最大個数を保有しており、該最大個数の範囲内でセルバランス制御を実施させる請求項1から請求項9のいずれかに記載の蓄電システム。
- 前記制御部は、セル電圧のばらつきが大きな電池モジュールから優先させて前記セルバランス制御を行わせる請求項10に記載の蓄電システム。
- 前記制御部は、セルバランス制御を行っている前記電池モジュールのセル電圧差とセルバランス制御待ちの前記電池モジュールのセル電圧差との差分が既定の閾値以下となった場合に、セルバランス制御を行う電池モジュールの切り替えを行う請求項10または請求項11に記載の蓄電システム。
- 同時にセルバランス制御を行うことができる電池モジュールの最大個数は、平均的な負荷を賄える数に設定されている請求項10から請求項12のいずれかに記載の蓄電システム。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020117000369A KR101233042B1 (ko) | 2008-08-13 | 2008-10-30 | 축전 시스템 |
EP08876736.3A EP2315336B1 (en) | 2008-08-13 | 2008-10-30 | Power storage system |
CN200880130363XA CN102089953B (zh) | 2008-08-13 | 2008-10-30 | 蓄电系统 |
US13/055,574 US8653792B2 (en) | 2008-08-13 | 2008-10-30 | Power storage system including a plurality of battery modules and on/off devices or voltage converters |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008-208429 | 2008-08-13 | ||
JP2008208429A JP5529402B2 (ja) | 2008-08-13 | 2008-08-13 | 蓄電システム |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010018644A1 true WO2010018644A1 (ja) | 2010-02-18 |
Family
ID=41668798
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2008/069806 WO2010018644A1 (ja) | 2008-08-13 | 2008-10-30 | 蓄電システム |
Country Status (6)
Country | Link |
---|---|
US (1) | US8653792B2 (ja) |
EP (1) | EP2315336B1 (ja) |
JP (1) | JP5529402B2 (ja) |
KR (1) | KR101233042B1 (ja) |
CN (1) | CN102089953B (ja) |
WO (1) | WO2010018644A1 (ja) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012111410A1 (ja) * | 2011-02-14 | 2012-08-23 | 三菱重工業株式会社 | 電池システム |
JP2013128382A (ja) * | 2011-12-19 | 2013-06-27 | Nec Corp | 無停電電源装置、給電制御方法、プログラム |
EP2372867B1 (en) * | 2010-03-29 | 2015-08-12 | Byd Company Limited | A parallel device for a battery module and controlling method thereof |
US9270132B2 (en) | 2012-09-21 | 2016-02-23 | Samsung Electronics Co., Ltd. | Balancing method and battery system |
WO2016147306A1 (ja) * | 2015-03-16 | 2016-09-22 | 株式会社東芝 | 蓄電池管理装置、方法及びプログラム |
EP2670018A4 (en) * | 2011-01-26 | 2017-09-06 | Hitachi, Ltd. | Electric vehicle battery system |
WO2017221569A1 (ja) * | 2016-06-22 | 2017-12-28 | 株式会社豊田自動織機 | 電池パック |
Families Citing this family (71)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5143185B2 (ja) * | 2010-02-08 | 2013-02-13 | 三洋電機株式会社 | 電源装置 |
JP5618359B2 (ja) * | 2010-08-02 | 2014-11-05 | Necエナジーデバイス株式会社 | 二次電池パック接続制御方法、および、蓄電システム |
JPWO2012043723A1 (ja) * | 2010-10-01 | 2014-02-24 | 三洋電機株式会社 | 電源装置 |
JP5487070B2 (ja) * | 2010-10-13 | 2014-05-07 | 株式会社東芝 | 電池モジュール、充電状態平均化装置、及び、電池モジュールの電池システムへの接続方法 |
JPWO2012049963A1 (ja) * | 2010-10-15 | 2014-02-24 | 三洋電機株式会社 | 蓄電池を含む電源システム |
DE112011104483B4 (de) * | 2010-12-21 | 2022-12-22 | Honda Motor Co., Ltd. | Stromversorgungsvorrichtung |
WO2012124554A1 (ja) * | 2011-03-17 | 2012-09-20 | 三洋電機株式会社 | 電力貯蔵装置並びにそれを備えた電源装置及び移動体 |
KR101367875B1 (ko) * | 2011-03-21 | 2014-02-26 | 주식회사 엘지화학 | 배터리 팩 연결 제어 장치 및 방법 |
JP5709601B2 (ja) * | 2011-03-25 | 2015-04-30 | 三菱重工業株式会社 | 蓄電装置および蓄電装置の電圧均等化方法 |
US20120248868A1 (en) * | 2011-04-04 | 2012-10-04 | Fahim Usshihab Mobin | Swappable battery car and battery car station |
US20140042974A1 (en) * | 2011-04-22 | 2014-02-13 | Sk Innovation Co., Ltd. | Detachable battery module, and method and apparatus for the charge equalization of a battery string using same |
JP5298158B2 (ja) * | 2011-04-27 | 2013-09-25 | 本田技研工業株式会社 | 電源装置 |
EP2717424B1 (en) * | 2011-05-31 | 2018-02-21 | LG Chem, Ltd. | Apparatus for leveling voltage for connecting unit racks for storing power, and system for storing power comprising same |
EP2717422A4 (en) * | 2011-06-03 | 2014-11-12 | Sanyo Electric Co | CONTROL SYSTEM FOR MOUNTED CELLS AND POWER SUPPLY SYSTEM THEREWITH |
JP5935046B2 (ja) * | 2011-07-12 | 2016-06-15 | パナソニックIpマネジメント株式会社 | 蓄電池集合体制御システム |
EP2738901A1 (en) * | 2011-07-29 | 2014-06-04 | Sanyo Electric Co., Ltd | Charge/discharge control system for storage cell assembly |
JP5664491B2 (ja) * | 2011-08-03 | 2015-02-04 | 株式会社デンソー | 電池制御装置 |
JP5755540B2 (ja) * | 2011-09-20 | 2015-07-29 | 株式会社東芝 | 蓄電池装置及び蓄電池装置の運転方法 |
JP2013078241A (ja) * | 2011-09-30 | 2013-04-25 | Toshiba Corp | 蓄電池装置、蓄電池装置の制御方法及び制御プログラム |
JP2013078227A (ja) * | 2011-09-30 | 2013-04-25 | Sanyo Electric Co Ltd | 残容量調整装置 |
JP5375927B2 (ja) * | 2011-11-02 | 2013-12-25 | 株式会社豊田自動織機 | 電池均等化装置および方法 |
JP5688359B2 (ja) * | 2011-12-09 | 2015-03-25 | 本田技研工業株式会社 | リレー制御装置 |
JP6056344B2 (ja) * | 2011-12-12 | 2017-01-11 | 日産自動車株式会社 | 電池接続制御装置 |
JP2013126343A (ja) * | 2011-12-16 | 2013-06-24 | Hitachi Ltd | 蓄電デバイスを備えた電力蓄積システム |
US9404956B2 (en) * | 2011-12-19 | 2016-08-02 | Ford Global Technologies, Llc | Vehicle with selectable battery pack isolation detection circuitry using precision resistors |
JP5801176B2 (ja) * | 2011-12-19 | 2015-10-28 | 株式会社東芝 | 蓄電装置及びその保守方法 |
WO2013115034A1 (ja) * | 2012-01-31 | 2013-08-08 | 三洋電機株式会社 | 車両用の電源装置及びこの電源装置を備える車両 |
JP5859341B2 (ja) * | 2012-02-28 | 2016-02-10 | 三菱重工業株式会社 | 電圧均等化装置及び方法並びにプログラム、それを備えた電力貯蔵システム |
JP5748689B2 (ja) * | 2012-02-28 | 2015-07-15 | 三菱重工業株式会社 | 電池システム |
JP5971626B2 (ja) * | 2012-03-15 | 2016-08-17 | 株式会社日立製作所 | 電池システム |
KR101648239B1 (ko) | 2012-06-29 | 2016-08-12 | 삼성에스디아이 주식회사 | 돌입 전류를 저감하는 에너지 저장 장치 및 그 방법 |
WO2014030348A1 (ja) * | 2012-08-24 | 2014-02-27 | パナソニック株式会社 | 電源装置 |
JP5850164B2 (ja) * | 2012-08-30 | 2016-02-03 | 株式会社安川電機 | 蓄電装置 |
JP5892024B2 (ja) * | 2012-10-01 | 2016-03-23 | 株式会社豊田自動織機 | 電源装置および電池モジュール切り替え方法 |
US20150298556A1 (en) * | 2012-10-29 | 2015-10-22 | Sanyo Electric Co., Ltd. | Power supply device for vehicle |
JP5583194B2 (ja) * | 2012-11-21 | 2014-09-03 | 三菱重工業株式会社 | 電池システム、電池管理装置及び電池管理方法 |
US9118198B2 (en) * | 2012-12-20 | 2015-08-25 | Nokia Technologies Oy | Balancing of battery cells connected in parallel |
JP6013227B2 (ja) * | 2013-02-22 | 2016-10-25 | 株式会社東芝 | 蓄電装置 |
JP2014176152A (ja) * | 2013-03-07 | 2014-09-22 | Tdk Corp | 蓄電システム |
WO2014174669A1 (ja) * | 2013-04-26 | 2014-10-30 | 日立オートモティブシステムズ株式会社 | 電池監視装置及びそれを用いた電池システム |
CN103280854B (zh) * | 2013-05-23 | 2018-10-02 | 浙江吉利汽车研究院有限公司杭州分公司 | 汽车动力电池充电系统及充电方法 |
JP2015012725A (ja) * | 2013-06-28 | 2015-01-19 | ソニー株式会社 | 蓄電システム、蓄電モジュールおよび制御方法 |
JP6127856B2 (ja) * | 2013-09-17 | 2017-05-17 | 株式会社デンソー | 電池監視装置 |
CN103647309A (zh) * | 2013-11-20 | 2014-03-19 | 南京利维斯通自控科技有限公司 | 一种无环流的电池供电系统 |
GB2522242A (en) * | 2014-01-20 | 2015-07-22 | Nokia Technologies Oy | Additional battery pack |
KR101586286B1 (ko) * | 2014-05-30 | 2016-01-21 | 주식회사 코캄 | 충방전 경로 선택이 가능한 배터리 랙 및 이를 포함하는 시스템 |
JP6467816B2 (ja) | 2014-08-21 | 2019-02-13 | 株式会社村田製作所 | 蓄電システム |
US20160149421A1 (en) * | 2014-11-24 | 2016-05-26 | Southwest Electronic Energy Corporation | Low voltage charging and balancing of a high voltage, series-connected string of battery modules |
KR101729820B1 (ko) * | 2014-12-08 | 2017-04-24 | 주식회사 엘지화학 | 배터리 랙 릴레이 컨트롤 장치 및 방법 |
CN108391455B (zh) * | 2015-10-30 | 2021-12-14 | 三洋电机株式会社 | 蓄电单元以及蓄电系统 |
WO2017085838A1 (ja) * | 2015-11-19 | 2017-05-26 | 株式会社東芝 | 電池管理装置および電圧制御方法 |
JP2017103996A (ja) * | 2015-12-04 | 2017-06-08 | 株式会社東芝 | 蓄電池システム、蓄電池ユニット、およびプログラム |
US11158888B2 (en) | 2016-02-01 | 2021-10-26 | Panasonic Intellectual Property Management Co., Ltd. | Management device and power storage system |
DE102016207272A1 (de) * | 2016-04-28 | 2017-11-02 | Bayerische Motoren Werke Aktiengesellschaft | Schaltbares Speichersystem für ein Fahrzeug |
US20170373512A1 (en) * | 2016-06-21 | 2017-12-28 | Chunyi Wang | First Series Then Parallel Battery Pack System |
US10203358B2 (en) * | 2016-07-19 | 2019-02-12 | Lg Chem, Ltd. | Systems for determining a voltage out-of-range high condition and a voltage out-of-range low condition of a battery module |
KR20180044484A (ko) * | 2016-10-21 | 2018-05-03 | 주식회사 엘지화학 | 충전전압 공급장치 및 공급방법 |
US11233419B2 (en) * | 2017-08-10 | 2022-01-25 | Zoox, Inc. | Smart battery circuit |
US10730402B2 (en) * | 2017-11-16 | 2020-08-04 | Lg Chem, Ltd. | Electrical control system |
JP7059723B2 (ja) * | 2018-03-19 | 2022-04-26 | いすゞ自動車株式会社 | 車両用電源システム |
KR102338938B1 (ko) | 2018-05-03 | 2021-12-10 | 주식회사 엘지에너지솔루션 | 배터리 관리 장치 및 이를 포함하는 에너지 저장 시스템 |
KR20210024127A (ko) | 2018-06-28 | 2021-03-04 | 스냅 인코포레이티드 | 조절된 전원들 |
JP7167581B2 (ja) * | 2018-09-19 | 2022-11-09 | 株式会社デンソー | 二次電池装置 |
KR102347920B1 (ko) | 2018-10-12 | 2022-01-05 | 주식회사 엘지에너지솔루션 | 배터리 관리 장치 및 방법 |
JP7178067B2 (ja) * | 2019-06-12 | 2022-11-25 | 株式会社エネルギーの島 | 電池システム及び電池ユニットの充電方法 |
CN110182103A (zh) * | 2019-06-26 | 2019-08-30 | 上海海得控制系统股份有限公司 | 一种新型动力系统 |
JP7401216B2 (ja) * | 2019-07-26 | 2023-12-19 | 株式会社デンソーテン | 均等化装置及び均等化方法 |
WO2021080358A1 (ko) * | 2019-10-22 | 2021-04-29 | 주식회사 엘지화학 | 병렬 연결된 배터리 팩의 밸런싱 장치 및 방법 |
JP7287908B2 (ja) * | 2020-01-30 | 2023-06-06 | プライムアースEvエナジー株式会社 | 制御装置 |
DE102020206520A1 (de) | 2020-05-26 | 2021-12-02 | Robert Bosch Gesellschaft mit beschränkter Haftung | Verfahren zum Betreiben eines Batteriesystems |
DE102021104236A1 (de) | 2021-02-23 | 2022-08-25 | Sma Solar Technology Ag | Transfereinheit, system und verfahren zum durchführen eines batterieinternen ausgleichsvorgangs |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11273747A (ja) * | 1998-03-20 | 1999-10-08 | Fujitsu Ltd | バッテリ装置および情報処理装置 |
JP3229696B2 (ja) | 1993-02-25 | 2001-11-19 | 三洋電機株式会社 | 電池の充電方法 |
JP2003289629A (ja) * | 2002-03-27 | 2003-10-10 | Mitsubishi Heavy Ind Ltd | 蓄電装置の電圧均等化装置及び該装置を備えた電力貯蔵システム |
JP2004032871A (ja) * | 2002-06-25 | 2004-01-29 | Shin Kobe Electric Mach Co Ltd | 走行車両用電源システム |
JP2005020866A (ja) * | 2003-06-25 | 2005-01-20 | Ntt Power & Building Facilities Inc | 電池充電装置 |
JP2005176461A (ja) * | 2003-12-09 | 2005-06-30 | Matsushita Electric Ind Co Ltd | 直流無停電電源装置 |
JP2007259612A (ja) * | 2006-03-24 | 2007-10-04 | Hitachi Ltd | 電源制御装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3469228B2 (ja) * | 2002-02-13 | 2003-11-25 | 三菱重工業株式会社 | 蓄電装置の充放電制御装置及び充放電制御方法並びに電力貯蔵システム |
US6774606B1 (en) * | 2003-01-24 | 2004-08-10 | The Boeing Company | Charge control circuit and method for charging multiple battery cells |
JP2004236473A (ja) * | 2003-01-31 | 2004-08-19 | Sanyo Electric Co Ltd | 二次電池装置 |
US7081737B2 (en) * | 2003-06-19 | 2006-07-25 | O2Micro International Limited | Battery cell monitoring and balancing circuit |
US7282814B2 (en) * | 2004-03-08 | 2007-10-16 | Electrovaya Inc. | Battery controller and method for controlling a battery |
JP4622645B2 (ja) * | 2005-04-15 | 2011-02-02 | トヨタ自動車株式会社 | 電池装置およびこれを備える内燃機関装置並びに車両 |
JP4337848B2 (ja) * | 2006-07-10 | 2009-09-30 | トヨタ自動車株式会社 | 電源システムおよびそれを備える車両、ならびに温度管理方法 |
US8030895B2 (en) * | 2007-12-27 | 2011-10-04 | Fenghua Xiao | Cell balancing systems with multiple controllers |
US8294421B2 (en) * | 2008-09-05 | 2012-10-23 | O2Micro Inc | Cell balancing systems employing transformers |
-
2008
- 2008-08-13 JP JP2008208429A patent/JP5529402B2/ja active Active
- 2008-10-30 CN CN200880130363XA patent/CN102089953B/zh active Active
- 2008-10-30 US US13/055,574 patent/US8653792B2/en active Active
- 2008-10-30 KR KR1020117000369A patent/KR101233042B1/ko active IP Right Grant
- 2008-10-30 EP EP08876736.3A patent/EP2315336B1/en active Active
- 2008-10-30 WO PCT/JP2008/069806 patent/WO2010018644A1/ja active Application Filing
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3229696B2 (ja) | 1993-02-25 | 2001-11-19 | 三洋電機株式会社 | 電池の充電方法 |
JPH11273747A (ja) * | 1998-03-20 | 1999-10-08 | Fujitsu Ltd | バッテリ装置および情報処理装置 |
JP2003289629A (ja) * | 2002-03-27 | 2003-10-10 | Mitsubishi Heavy Ind Ltd | 蓄電装置の電圧均等化装置及び該装置を備えた電力貯蔵システム |
JP2004032871A (ja) * | 2002-06-25 | 2004-01-29 | Shin Kobe Electric Mach Co Ltd | 走行車両用電源システム |
JP2005020866A (ja) * | 2003-06-25 | 2005-01-20 | Ntt Power & Building Facilities Inc | 電池充電装置 |
JP2005176461A (ja) * | 2003-12-09 | 2005-06-30 | Matsushita Electric Ind Co Ltd | 直流無停電電源装置 |
JP2007259612A (ja) * | 2006-03-24 | 2007-10-04 | Hitachi Ltd | 電源制御装置 |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2372867B1 (en) * | 2010-03-29 | 2015-08-12 | Byd Company Limited | A parallel device for a battery module and controlling method thereof |
EP2670018A4 (en) * | 2011-01-26 | 2017-09-06 | Hitachi, Ltd. | Electric vehicle battery system |
WO2012111410A1 (ja) * | 2011-02-14 | 2012-08-23 | 三菱重工業株式会社 | 電池システム |
JP2013128382A (ja) * | 2011-12-19 | 2013-06-27 | Nec Corp | 無停電電源装置、給電制御方法、プログラム |
US9281714B2 (en) | 2011-12-19 | 2016-03-08 | Nec Corporation | Uninterruptible power system, method of controlling power supply, and recording medium having power supply control program stored therein |
US9270132B2 (en) | 2012-09-21 | 2016-02-23 | Samsung Electronics Co., Ltd. | Balancing method and battery system |
WO2016147306A1 (ja) * | 2015-03-16 | 2016-09-22 | 株式会社東芝 | 蓄電池管理装置、方法及びプログラム |
JPWO2016147306A1 (ja) * | 2015-03-16 | 2017-04-27 | 株式会社東芝 | 蓄電池管理装置、方法及びプログラム |
US9859721B2 (en) | 2015-03-16 | 2018-01-02 | Kabushiki Kaisha Toshiba | Storage battery management device, method, and computer program product |
WO2017221569A1 (ja) * | 2016-06-22 | 2017-12-28 | 株式会社豊田自動織機 | 電池パック |
Also Published As
Publication number | Publication date |
---|---|
JP5529402B2 (ja) | 2014-06-25 |
JP2010045923A (ja) | 2010-02-25 |
KR20110028343A (ko) | 2011-03-17 |
US8653792B2 (en) | 2014-02-18 |
EP2315336B1 (en) | 2019-01-02 |
CN102089953A (zh) | 2011-06-08 |
EP2315336A1 (en) | 2011-04-27 |
CN102089953B (zh) | 2013-11-06 |
US20110127964A1 (en) | 2011-06-02 |
KR101233042B1 (ko) | 2013-02-13 |
EP2315336A4 (en) | 2016-04-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5529402B2 (ja) | 蓄電システム | |
US9564768B2 (en) | Discharge device for electricity storage device | |
US8466657B2 (en) | Autonomous balancing of series connected charge storage devices | |
JP5587421B2 (ja) | 電源システム | |
US20190356140A1 (en) | Apparatus and method for battery module equalization | |
WO2017130614A1 (ja) | 電池制御装置 | |
US20100019724A1 (en) | Battery system using secondary battery | |
JP2016192897A (ja) | スイッチ故障診断装置、蓄電装置およびスイッチ故障診断プログラム、スイッチ故障診断方法 | |
JP2007318950A (ja) | 二次電池のセル電圧バランス装置 | |
JP2009071936A (ja) | 組電池の電圧均等化システム | |
JP5910889B2 (ja) | 蓄電システム | |
JP6928347B2 (ja) | 管理装置、蓄電装置、蓄電システム、及び、電気機器 | |
CN108028536B (zh) | 电池监视装置 | |
JP2010032412A (ja) | 車両用の電源装置 | |
JP5314626B2 (ja) | 電源システム、放電制御方法および放電制御プログラム | |
KR100966732B1 (ko) | 배터리 시스템의 배터리 균등 충전장치 및 그 방법 | |
JP2023522463A (ja) | バッテリー管理システム、バッテリーパック、エネルギー貯蔵システム及びバッテリー管理方法 | |
JP2014050269A (ja) | 組電池の均等充電システム | |
JP2022508101A (ja) | バッテリ管理システム | |
JP2010246214A (ja) | 電池電圧調整監視装置 | |
US20050007071A1 (en) | Circuit arrangement for an autonomous power supply system, and a method for its operation | |
KR20210014343A (ko) | 전기자동차용 직렬연결 배터리 셀의 균등 충전장치 및 이를 이용한 균등 충전 제어방법 | |
WO2020079868A1 (ja) | 蓄電システムおよび充電制御方法 | |
JP2023544758A (ja) | バッテリー装置、バッテリー管理システムおよび診断方法 | |
JP2011211879A (ja) | 組電池の監視装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 200880130363.X Country of ref document: CN |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 08876736 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 20117000369 Country of ref document: KR Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 13055574 Country of ref document: US Ref document number: 2008876736 Country of ref document: EP |
|
NENP | Non-entry into the national phase |
Ref country code: DE |