WO2016152100A1 - 蓄電池管理装置、制御装置、蓄電池モジュール、および蓄電池管理方法 - Google Patents
蓄電池管理装置、制御装置、蓄電池モジュール、および蓄電池管理方法 Download PDFInfo
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- WO2016152100A1 WO2016152100A1 PCT/JP2016/001498 JP2016001498W WO2016152100A1 WO 2016152100 A1 WO2016152100 A1 WO 2016152100A1 JP 2016001498 W JP2016001498 W JP 2016001498W WO 2016152100 A1 WO2016152100 A1 WO 2016152100A1
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- storage battery
- characteristic information
- battery module
- current value
- full charge
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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
Definitions
- the present invention generally relates to a storage battery management device, a control device, a storage battery module, and a storage battery management method, and more particularly to a storage battery management device, a control device, a storage battery module, and a storage battery management method for managing charging or discharging of the storage battery module. .
- the charging circuit described in Patent Document 1 includes a power supply circuit and a control circuit.
- the control circuit includes a storage unit that stores a voltage (threshold voltage) corresponding to the temperature of the storage battery, and acquires the threshold voltage corresponding to the temperature detected by the temperature detection circuit from the storage unit.
- the power supply circuit controls charging of the storage battery based on the threshold voltage acquired by the control circuit.
- the threshold voltage for the storage battery module before replacement may be different from the threshold voltage for the storage battery module after replacement.
- the control circuit stores the threshold voltage in advance. Therefore, in order to appropriately charge the storage battery module after replacement, it is necessary to change the setting of the threshold voltage stored in the control circuit to the threshold voltage for the storage battery module after replacement. At this time, the operator may forget to reset the threshold voltage.
- the present invention has been made in view of the above-mentioned reasons, and the purpose thereof is a storage battery management device capable of controlling charging and the like under appropriate conditions even when the operator forgets to set information. It is providing a control apparatus, a storage battery module, and a storage battery management method.
- a storage battery management device is based on the characteristic information in a characteristic information acquisition unit that acquires characteristic information from the storage battery module and a power supply control device that controls at least one of charging and discharging of the storage battery module.
- a notification unit for notifying the control condition.
- a control device includes the above-described storage battery management device and the power supply control device.
- the power supply control device receives the control condition from the storage battery management device, the control condition is satisfied. Based on this, the storage battery module is controlled.
- the storage battery module outputs the characteristic information to a storage battery, a storage unit that stores characteristic information for at least one of charging and discharging, and a storage battery management device that manages the characteristic information. And an output unit.
- the storage battery management method provides the characteristic information acquisition process for acquiring characteristic information from the storage battery module and the power supply control device that performs control on at least one of charging and discharging of the storage battery module. Notification processing for notifying control conditions based on the above.
- FIG. It is a figure explaining the structure of the electrical storage system in Embodiment 1.
- FIG. It is a flowchart explaining operation
- the power storage system 1 in the present embodiment includes a storage battery system 10 including a plurality of storage battery modules 11 and a control device 20.
- the power storage system 1 is a system in which the control device 20 controls at least one of charging and discharging of each of the plurality of storage battery modules 11 using characteristic information stored by each of the plurality of storage battery modules 11.
- the storage battery module 11 outputs characteristic information representing the characteristics of the storage battery module 11 to the control device 20.
- the characteristic information is information regarding at least one of charging and discharging.
- the control device 20 controls at least one of charging and discharging of each storage battery module 11.
- the control device 20 acquires the characteristic information from each of the plurality of storage battery modules 11, the control device 20 selects a control condition based on the acquired characteristic information.
- the control device 20 controls at least one of charging and discharging of the storage battery module 11 based on the selected control condition.
- the control condition is a condition related to charging.
- each of the plurality of storage battery modules 11 includes a storage battery 12, a temperature sensor 13, a storage unit 14, and an output unit 15.
- the some storage battery module 11 is the same kind and the same performance on specification.
- the storage battery 12 is, for example, a lithium ion battery.
- the temperature sensor 13 measures the battery temperature (environment information) of the storage battery 12 and outputs the result to the control device 20.
- the storage unit 14 stores a voltage value of full charge when the battery temperature belongs to the first temperature range and a voltage value of full charge when the battery temperature belongs to the second temperature range.
- the first temperature range is a range in which the battery temperature is higher than a predetermined threshold value, and is a range in which the performance of the storage battery module 11 is exhibited as usual without being limited by specifications.
- a fully charged voltage value in the first temperature range is referred to as a normal voltage value.
- the second temperature range is a range in which the temperature is equal to or lower than a predetermined threshold, and is a range where the performance of the storage battery module 11 is exhibited in a state where the specifications are limited.
- a fully charged voltage value in the second temperature range is referred to as a limit voltage value.
- the storage unit 14 stores the first voltage range in association with the normal voltage value and the second temperature range in association with the limit voltage value.
- the limit voltage value is a value smaller than the normal voltage value.
- the output unit 15 delivers (outputs) the characteristic information to the control device 20.
- the characteristic information is information including a first full charge condition that is a set of a normal voltage value and a first temperature range, and a second full charge condition that is a set of a limit voltage value and a second temperature range. is there.
- the some storage battery module 11 is electrically connected by connecting each of the storage battery 12 contained in the some storage battery module 11 in series.
- the control device 20 is, for example, a power conditioner, and includes a storage battery management device 30 and a power supply control device 40 as shown in FIG.
- the storage battery management device 30 is a device that manages characteristic information.
- the characteristic information is information related to at least one of charging and discharging of the storage battery module 11.
- the storage battery management device 30 acquires characteristic information from the plurality of storage battery modules 11 and uses the characteristic information to select a control condition that matches the plurality of storage battery modules 11.
- the storage battery management device 30 includes a characteristic information acquisition unit 31, a discrimination information acquisition unit 32, a processing unit 33, and a notification unit 34.
- the storage battery management device 30 has a processor or a computer-readable memory, and each function of the storage battery management device 30 is realized by the processor executing a program stored in the memory. This program is provided through a telecommunication line such as the Internet, or is provided by a computer-readable recording medium.
- the characteristic information acquisition unit 31 acquires characteristic information including the first full charge condition and the second full charge condition from the plurality of storage battery modules 11 at the start of charging.
- the discrimination information acquisition unit 32 acquires discrimination information for selecting a control condition (in this embodiment, a condition for controlling charging) of the plurality of storage battery modules 11 at the start of charging. Specifically, the discrimination information acquisition unit 32 acquires the battery temperatures of the plurality of storage battery modules 11 (storage batteries 12) from the corresponding temperature sensor 13 as discrimination information.
- the processing unit 33 uses the characteristic information acquired by the characteristic information acquisition unit 31 to select a control condition suitable for the plurality of storage battery modules 11. Specifically, the processing unit 33 uses the determination information acquired by the determination information acquisition unit 32 to determine which of the first full charge condition and the second full charge condition for each of the plurality of storage battery modules 11. A plurality of full charge conditions (adaptation conditions) are acquired by selecting such full charge conditions (adaptation conditions). The processing unit 33 selects a full charge condition (adaptation condition) including the lowest voltage value as a control condition from among the plurality of acquired full charge conditions (adaptation conditions).
- the notification unit 34 sets the control condition to the power control device 40 in order to cause the power control device to control each storage battery module 11 (storage battery 12) based on the voltage value included in the control condition selected by the processing unit 33. To notify.
- the power supply control device 40 is a device that charges each storage battery module 11 (storage battery 12) using the power generated by the solar battery 50.
- the power supply control device 40 controls at least one of charging and discharging for each storage battery module 11 (storage battery 12) based on the control condition notified from the storage battery management device 30.
- the power supply control device 40 receives a control condition (full charge condition) from the storage battery management device 30.
- the power supply control device 40 charges each storage battery module 11 using the generated power of the solar battery 50 so that the voltage value at the time of full charge of each storage battery module 11 becomes a voltage value represented by the received full charge condition. I do.
- the power supply control device 40 measures the voltage value of each storage battery module 11 when each storage battery module 11 is charged, and when the measured voltage value matches the voltage value represented by the full charge condition. Stop charging.
- the power supply control device 40 converts at least one of the electric power of each storage battery module 11 and the solar battery 50 into alternating current, and supplies the electric power to the load 51 provided in the facility.
- the power supply control device 40 performs discharge control of each storage battery module 11 when supplying power to the load 51 using the power of each storage battery module 11.
- the power supply control device 40 includes a processor and a memory, and each function of the power supply control device 40 is realized by the processor executing a program stored in the memory. This program is provided through a telecommunication line such as the Internet, or is provided by a computer-readable recording medium.
- the characteristic information acquisition unit 31 of the storage battery management device 30 acquires characteristic information from the plurality of storage battery modules 11 (step S5). Specifically, the characteristic information acquisition unit 31 acquires characteristic information including the first full charge condition and the second full charge condition from each storage battery module 11.
- the discrimination information acquisition unit 32 of the storage battery management device 30 acquires the battery temperatures (discrimination conditions) of the plurality of storage battery modules 11 (storage batteries 12) from the plurality of temperature sensors 13 (step S10).
- the processing unit 33 of the storage battery management device 30 uses each characteristic information acquired by the characteristic information acquisition unit 31 to perform a selection process for selecting a control condition suitable for the plurality of storage battery modules 11 (step S15). For example, the processing unit 33 uses the battery temperature acquired from the storage battery module among the first full charge condition and the second full charge condition included in the characteristic information acquired from the storage battery module 11 for each of the plurality of storage battery modules 11. Select the full charge condition (conformity condition) according to. Specifically, the processing unit 33 selects the first full charge condition when the battery temperature is higher than a predetermined threshold, and selects the second full charge condition when the battery temperature is equal to or lower than the predetermined threshold. .
- the processing unit 33 acquires a plurality of full charge conditions (adaptation conditions) by selecting full charge conditions (adaptation conditions) for all of the plurality of storage battery modules 11.
- the processing unit 33 selects the first full charge condition as the control condition when the plurality of acquired full charge conditions (adaptation conditions) are the first full charge conditions.
- the processing unit 33 selects the second full charge condition as a control condition.
- the notification unit 34 of the storage battery management device 30 notifies the power supply control device 40 of the control condition (full charge condition) selected by the processing unit 33 (step S20).
- the power supply control device 40 controls the voltage when each storage battery module 11 is fully charged based on the voltage value included in the control condition (full charge condition) notified by the notification unit 34.
- the storage battery system 10 is composed of a plurality of storage battery modules 11, but is not limited thereto.
- the storage battery system 10 may be configured by at least one storage battery module 11.
- the storage battery management device 30 acquires characteristic information from the one storage battery module 11, and uses the acquired characteristic information to store the storage battery module 11. Select suitable control conditions.
- the characteristic information includes the first full charge condition and the second full charge condition
- the storage battery management device 30 acquires the first full charge condition acquired from the one storage battery module 11 when the battery temperature is higher than a predetermined threshold. Is set as a control condition.
- the storage battery management device 30 uses the voltage value included in the second full charge condition acquired from the one storage battery module 11 as a control condition.
- the storage battery management device 30 of the present embodiment acquires the characteristic information and the discrimination information at the start of charging, the present invention is not limited to this.
- the storage battery management device 30 may acquire the characteristic information and the discrimination information at a predetermined cycle (for example, every 3 hours).
- this numerical value is an example, Comprising: It is not the meaning limited to these numerical values.
- the storage unit 14 of the storage battery module 11 of the present embodiment stores two types of voltage values (normal voltage value and limit voltage value), the present invention is not limited to this.
- the storage unit 14 of the storage battery module 11 may store a plurality of types of voltage values. A plurality of different temperature ranges are associated one-to-one with a plurality of different voltage values.
- the output unit 15 outputs characteristic information including a voltage value and a plurality of sets in a temperature range associated with the voltage value to the storage battery management device 30.
- the storage battery management device 30 selects a voltage value corresponding to the battery temperature acquired by the determination information acquisition unit 32 from among the voltage values included in the characteristic information.
- the plurality of storage battery modules 11 are of the same type and the same performance in terms of specifications, but are not limited thereto. Different types and performances may be mixed in the plurality of storage battery modules 11. In this case, the normal voltage value and the limit voltage value are different for each of the plurality of types.
- the processing unit 33 of the storage battery management device 30 selects the first full charge condition from each of the plurality of storage battery modules 11, the first full charge condition including the lowest voltage value among the selected first full charge conditions. Is selected as the control condition.
- the processing unit 33 selects the second full charge condition for at least one of the storage battery modules 11, the processing unit 33 controls the second full charge condition including the lowest voltage value among the selected second full charge conditions. Select as a condition.
- the plurality of storage batteries 12 are connected in series, they may be connected in parallel, or may be a connection in which series connection and parallel connection are mixed.
- the charging rate (SOC: State of Charge) of the storage battery module 11 may be used as a full charge condition.
- the storage unit 14 of the storage battery module 11 stores a set of a first temperature range and a charging rate “100%” and a set of a second temperature range and a charging rate “80%”.
- the output unit 15 outputs characteristic information including these sets to the storage battery management device 30.
- the storage battery management device 30 selects 100% as the charging rate.
- each of the plurality of storage battery modules 11 includes a measurement circuit that measures the charging rate of the storage battery 12.
- the power supply control device 40 controls the charging of each storage battery module 11 so that the charging rate selected by the storage battery management device 30 is obtained based on the results measured by the respective measurement circuits of the plurality of storage battery modules 11.
- the charging current value is a value of a current that the power supply control device 40 inputs to each storage battery module 11 when each storage battery module 11 is charged.
- the discharge current value is a value of a current input from each storage battery module 11 when the power storage control module 40 discharges each storage battery module 11.
- the power storage system 1 of the present modification includes a storage battery system 10 and a control device 20 as shown in FIG.
- the storage battery system 10 includes a plurality of storage battery modules 11, and each storage battery module 11 includes a storage battery 12, a storage unit 14, and an output unit 15.
- the storage unit 14 has a maximum current value input during charging (maximum charging current value, hereinafter “first maximum charging current value”) and a maximum current value output during discharging (maximum discharging current value, hereinafter “ 1st maximum discharge current value ").
- the output unit 15 outputs the first maximum charging current value and the first maximum discharging current value stored in the storage unit 14 to the storage battery management device 30 as characteristic information.
- the some storage battery module 11 is electrically connected by connecting the some storage battery 12 in series.
- the control device 20 includes a storage battery management device 30 and a power supply control device 40 as shown in FIG.
- the storage battery management device 30 includes a characteristic information acquisition unit 31, a processing unit 33, a notification unit 34, and a current value acquisition unit 35.
- the characteristic information acquisition unit 31 acquires a charging current value and a discharging current value as characteristic information from each storage battery module 11 when the control device 20 is activated.
- the current value acquisition unit 35 is a maximum current value that can be output to each storage battery module 11 (maximum charging current value, hereinafter “second maximum charging”). Current value ") is acquired from the power supply control device 40 when the control device 20 is started. Further, the current value acquisition unit 35, when the power supply control device 40 controls the discharge of each storage battery module 11, the value of the maximum current that can be input from each storage battery module 11 (maximum discharge current value, hereinafter “second maximum discharge”). Current value ") is acquired from the power supply control device 40.
- the processing unit 33 selects a control condition suitable for the plurality of storage battery modules using at least one of the first maximum charging current value and the first maximum discharging current value acquired by the characteristic information acquisition unit 31. For example, when the characteristic information acquisition unit 31 acquires the first maximum charging current value from each storage battery module 11, the processing unit 33 selects the minimum current value (charging limit value) among the acquired first maximum charging current values. To do. The processing unit 33 selects, as a control condition, a smaller current value (charging control current value) among the selected charging limit value and the second maximum charging current value acquired by the current value acquiring unit 35.
- the processing unit 33 selects the minimum current value (discharge limit value) among the acquired first maximum discharge current values. To do. The processing unit 33 selects, as a control condition, a smaller current value (discharge control current value) among the selected discharge limit value and the second maximum discharge current value acquired by the current value acquisition unit 35.
- the notification unit 34 notifies the power supply control device 40 of the control condition (charge control current value or discharge control current value) selected by the processing unit 33.
- the power supply control device 40 controls the charging of each storage battery module 11 (storage battery 12) based on the current value for charge control.
- the control condition is a discharge control current value
- the power supply control device 40 controls the discharge of each storage battery module 11 (storage battery 12) based on the discharge control current value.
- the characteristic information acquisition unit 31 acquires the first maximum charging current value from the plurality of storage battery modules 11 as characteristic information (step S50).
- the current value acquisition unit 35 acquires the second maximum charging current value from the power supply control device 40 (step S55).
- the processing unit 33 uses the characteristic information acquired by the characteristic information acquisition unit 31 to perform a selection process for selecting a control condition suitable for the plurality of storage battery modules 11 (step S60). Specifically, the processing unit 33 sets a smaller current value (charge control current value) between the minimum current value (charge limit value) of the first maximum charge current values and the second maximum charge current value. Select as a control condition.
- the notification unit 34 notifies the power supply control device 40 of the control condition (current value for charge control) selected by the processing unit 33 (step S65).
- the power supply control device 40 controls the current input to each storage battery module 11 during charging based on the control condition (current value for charge control) notified by the notification unit 34.
- the characteristic information acquisition unit 31 acquires the first maximum discharge current value from the plurality of storage battery modules 11 as characteristic information (step S100).
- the current value acquisition unit 35 acquires the second maximum discharge current value from the power supply control device 40 (step S105).
- the processing unit 33 performs a selection process for selecting a control condition suitable for the plurality of storage battery modules 11 using each characteristic information acquired by the characteristic information acquisition unit 31 (step S110). Specifically, the processing unit 33 sets a smaller current value (discharge control current value) between the minimum current value (discharge limit value) and the second maximum discharge current value among the first maximum discharge current values. Select as a control condition.
- the notification unit 34 notifies the power supply control device 40 of the control condition (discharge control current value) selected by the processing unit 33 (step S115).
- the power supply control device 40 controls the current output by each storage battery module 11 during discharging based on the control condition (discharge control current value) notified by the notification unit 34.
- the storage battery management apparatus 30 of this modification has a configuration that does not include the above-described discrimination information acquisition unit 32, the present invention is not limited to this.
- the storage battery management device 30 of this modification may include a discrimination information acquisition unit 32, and the storage battery module 11 may include the temperature sensor 13.
- the control device 20 performs both charge control based on the full charge condition and charge / discharge control based on the current value related to charge / discharge. Since the control of charging based on the full charge condition has already been described, description thereof is omitted here.
- the storage battery system 10 of the present modification example is configured by a plurality of storage battery modules 11, it is not limited to this.
- the storage battery system 10 may be configured by at least one storage battery module 11.
- the storage battery management device 30 acquires characteristic information from the one storage battery module 11, and uses the acquired characteristic information to store the storage battery module 11. Select suitable control conditions.
- the characteristic information is a charging current value
- the storage battery management device 30 controls a smaller current value among the first maximum charging current value and the second maximum charging current value acquired from the one storage battery module 11. Select as a condition.
- the characteristic information is a discharge current value
- the storage battery management device 30 controls a smaller current value among the first maximum discharge current value and the second maximum discharge current value acquired from the storage battery module 11. Select as a condition.
- the storage battery management device 30 of the present modification has selected the charging control current value using the plurality of first maximum charging current values and the second maximum charging current value
- the storage battery management device 30 may select a charge control current value from a plurality of first maximum charge current values.
- the power supply control device 40 compares the current value for charge control with the maximum charging current value stored in itself, selects a current value with a small value, and uses each selected storage battery to store each storage battery. Control charging of the module 11.
- the storage battery management device 30 may select a current value for discharge control from each first maximum discharge current value. In this case, the power supply control device 40 compares the current value for discharge control with the maximum discharge current value stored in itself, selects a current value with a small value, and uses each selected storage battery for each storage battery. The discharge of the module 11 is controlled.
- the storage battery management device 30 selects the fully charged voltage value according to the battery temperature, but is not limited thereto.
- the storage battery management device 30 may select a fully charged voltage value according to the set control mode in addition to the function of selecting a fully charged voltage value according to the battery temperature.
- the power supply control device 40 is set to one control mode among a plurality of control modes in order to control charging of each storage battery module 11.
- the plurality of control modes include a normal mode, a long life mode, and a self-supporting mode.
- the normal mode is a mode for always charging 100% of the power amount without limiting the amount of power charged in the storage battery module 11 regardless of the battery temperature of each storage battery module 11.
- the long life mode is a mode in which the amount of power to be charged is limited in order to extend the life of the storage battery module 11. For example, in the long life mode, the upper limit of the amount of power to be charged is limited.
- the self-supporting mode is a mode for achieving both the normal mode and the long life mode. As described in the first embodiment, the fully charged voltage value is selected according to the battery temperature.
- the storage battery management device 30 determines the mode set as the control mode at the start of charging.
- the control mode is the normal mode
- the storage battery management device 30 selects the above-described normal voltage value as control information.
- the control mode is the long life mode
- the storage battery management device 30 selects the above-described limit voltage value as control information.
- the control mode is the self-sustained mode, it is the same as that of the first embodiment, and thus description thereof is omitted here.
- the control mode is the long life mode
- the storage battery management device 30 uses the limit voltage value as the control information, but is not limited to this.
- the storage battery management device 30 may select a voltage value lower than the normal voltage value as the control information.
- the storage battery module 11 further includes the voltage value used in the normal mode as the third full charge condition and the voltage value used in the long life mode as the fourth full charge condition, further included in the characteristic information, It outputs to the storage battery management apparatus 30.
- each storage battery module 11 outputs a plurality of full charge conditions (first full charge condition, second full charge condition) to the storage battery management device 30, but in this embodiment, each storage battery module 11 has one The point which outputs a full charge condition to the storage battery management apparatus 30 differs.
- the power storage system 1 of the present embodiment includes a storage battery system 10 including a plurality of storage battery modules 11 and a control device 20.
- Each of the storage battery modules 11 of the present embodiment outputs characteristic information representing the characteristics of the storage battery module 11 to the control device 20, which is information corresponding to its own battery temperature.
- control device 20 When the control device 20 according to the present embodiment acquires the characteristic information from the plurality of storage battery modules 11, the control device 20 selects a control condition suitable for the storage battery module 11 from the acquired characteristic information.
- the control device 20 controls at least one of charging and discharging of each storage battery module 11 based on the selected control condition.
- the control condition is a condition related to charging.
- Each of the plurality of storage battery modules 11 includes a storage battery 12, a temperature sensor 13, a storage unit 14, an output unit 15, and a determination unit 16, as shown in FIG.
- the storage battery module 11 has a processor and a memory, and the function of the determination unit 16 of the storage battery module 11 is realized by the processor executing a program stored in the memory. This program is provided through a telecommunication line such as the Internet, or is provided by a computer-readable recording medium.
- the determination unit 16 determines a full charge condition to be transmitted to the storage battery management device 30. Specifically, the determination unit 16 determines whether or not the battery temperature measured by the temperature sensor 13 is higher than a predetermined threshold value. The determination unit 16 determines the normal voltage value as the full charge condition when determining that the battery temperature is higher than the predetermined threshold value, and satisfies the limit voltage value when determining that the battery temperature is equal to or lower than the predetermined threshold value. Determine the charging conditions.
- the output unit 15 outputs the full charge condition as characteristic information. Specifically, every time the full charge condition to be transmitted to the storage battery management device 30 is determined by the determination unit 16, the output unit 15 outputs the determined full charge condition to the control device 20 as characteristic information.
- the some storage battery module 11 is electrically connected by connecting each storage battery 12 in series similarly to Embodiment 1.
- the control device 20 is a power conditioner that charges each storage battery module 11 using external power, for example, generated power of the solar cell 50, and as shown in FIG. 6, the storage battery management device 30 and the power control device 40. With.
- the storage battery management device 30 includes a characteristic information acquisition unit 31, a processing unit 33, and a notification unit 34.
- the storage battery management device 30 includes a processor and a memory, and each function of the storage battery management device 30 is realized by the processor executing a program stored in the memory. This program is provided through a telecommunication line such as the Internet, or is provided by a computer-readable recording medium.
- the characteristic information acquisition unit 31 acquires characteristic information that is a full charge condition from each storage battery module 11 at the start of charging.
- the processing unit 33 uses the plurality of characteristic information acquired by the characteristic information acquisition unit 31 to select a control condition that is suitable for the plurality of storage battery modules. Specifically, the processing unit 33 selects, as the control condition, the lowest voltage value among the voltage values represented by each of the characteristic information (full charge condition) output for each storage battery module 11.
- the notification unit 34 notifies the power supply control device 40 of the control condition in order to control each storage battery module 11 based on the control condition selected by the processing unit 33.
- FIG. 8 is a flowchart for explaining the operation of determining the characteristic information that the storage battery module 11 should output to the storage battery management device 30.
- the determination unit 16 of the storage battery module 11 determines the full charge condition to be transmitted to the storage battery management device 30 (step S150). Specifically, when the battery temperature measured by the temperature sensor 13 is higher than a predetermined threshold, the determination unit 16 determines the normal voltage value as the full charge condition, and the battery temperature is equal to or lower than the predetermined threshold. In this case, the limit voltage value is determined as a full charge condition.
- the output unit 15 outputs the full charge condition determined by the determination unit 16 to the control device 20 as characteristic information (step S155).
- FIG. 9 is a flowchart for explaining the operation of the storage battery management device 30 for determining the control conditions.
- the characteristic information acquisition unit 31 of the storage battery management device 30 acquires characteristic information from the plurality of storage battery modules 11 (step S200).
- the processing unit 33 of the storage battery management device 30 uses the characteristic information acquired by the characteristic information acquisition unit 31 to perform a selection process for selecting a control condition suitable for the plurality of storage battery modules 11 (step S205). Specifically, the processing unit 33 selects the lowest voltage value among the voltage values represented by each characteristic information (full charge condition) as a control condition.
- the notification unit 34 of the storage battery management device 30 notifies the power supply control device 40 of the control condition selected by the processing unit 33 (step S210).
- the power supply control device 40 controls the voltage when each storage battery module 11 is fully charged based on the control condition notified by the notification unit 34.
- the storage battery management device 30 of the present embodiment acquires the characteristic information at the start of charging, but is not limited to this. Similarly to the first embodiment, the storage battery management device 30 of the present embodiment may acquire the characteristic information at a predetermined cycle (for example, every 3 hours). In addition, this numerical value is an example, Comprising: It is not the meaning limited to these numerical values.
- the plurality of storage batteries 12 are connected in series, they may be connected in parallel, or may be a connection in which series connection and parallel connection are mixed.
- the voltage value is used as the full charge condition, but the present invention is not limited to this.
- a charging rate may be used as a full charge condition. For example, when the battery temperature measured by the temperature sensor 13 is higher than a predetermined threshold, the determination unit 16 determines the charging rate as 100%. When the battery temperature is equal to or lower than the predetermined threshold, the determination unit 16 determines the charging rate as 80%.
- the storage battery management device 30 selects the lowest charging rate among the charging rates determined for each of the plurality of storage battery modules 11 and notifies the power supply control device 40 of the selected charging rate. At this time, each of the plurality of storage battery modules 11 includes a measurement circuit that measures the charging rate of the storage battery 12.
- the power supply control device 40 controls the charging of each storage battery module 11 so that the charging rate notified from the storage battery management device 30 is obtained based on the results measured by the respective measurement circuits of the plurality of storage battery modules 11. .
- the power storage system 1 of the present modification includes a storage battery system 10 including a plurality of storage battery modules 11 and a control device 20.
- Each storage battery module 11 includes a storage battery 12, a temperature sensor 13, a storage unit 14, an output unit 15, and a determination unit 16 (see FIG. 7).
- the storage battery module 11 has a processor and a memory, and the function of the determination unit 16 of the storage battery module 11 is realized by the processor executing a program stored in the memory. This program is provided through a telecommunication line such as the Internet, or is provided by a computer-readable recording medium.
- the storage unit 14 stores a maximum charging current value (first charging current value) and a maximum discharging current value (first discharging current value) when the battery temperature is higher than a predetermined threshold.
- the storage unit 14 further stores a maximum charging current value (second charging current value) and a maximum discharging current value (second discharging current value) when the battery temperature is equal to or lower than a predetermined threshold.
- the determination unit 16 determines characteristic information to be transmitted to the storage battery management device 30. Specifically, the determination unit 16 determines whether or not the battery temperature measured by the temperature sensor 13 is higher than a predetermined threshold value. When determining that the battery temperature is higher than the predetermined threshold, the determining unit 16 acquires the first charging current value and the first discharging current value from the storage unit 14. When determining that the battery temperature is equal to or lower than the predetermined threshold, the determination unit 16 acquires the second charging current value and the second discharging current value from the storage unit 14. In addition, when it is not necessary to distinguish between the first charging current value and the second charging current value, these are collectively referred to as a first maximum charging current value. In addition, when it is not necessary to distinguish the first discharge current value and the second discharge current value, these are collectively referred to as a first maximum discharge current value.
- the output unit 15 outputs each of the first maximum charging current value and the first maximum discharging current value acquired by the determination unit 16 to the control device 20 as characteristic information.
- the control device 20 includes a storage battery management device 30 and a power supply control device 40.
- the storage battery management device 30 includes a characteristic information acquisition unit 31, a processing unit 33, a notification unit 34, and a current value acquisition unit 35.
- the characteristic information acquisition unit 31 acquires the charging current value and the discharging current value output from each storage battery module 11 as characteristic information.
- the current value acquisition unit 35 acquires a second maximum charging current value from the power supply control device 40 when the power supply control device 40 controls the charging of each storage battery module 11. In addition, the current value acquisition unit 35 acquires a second maximum discharge current value from the power supply control device 40 when the power supply control device 40 controls the discharge of each storage battery module 11.
- the processing unit 33 uses the first maximum charging current value acquired by the characteristic information acquisition unit 31 to set a control condition suitable for the plurality of storage battery modules 11. select.
- the processing unit 33 uses the first maximum discharge current value acquired by the characteristic information acquisition unit 31 to set a control condition suitable for the plurality of storage battery modules 11. select. For example, the processing unit 33 selects a minimum current value (charge limit value) from among the first maximum charge current values, and a smaller current value (charge) between the selected charge limit value and the second maximum charge current value. Control current value) is selected as a control condition.
- the processing unit 33 selects a minimum discharge current value (discharge limit value) among the first maximum discharge current values, and a smaller current value (discharge) between the selected discharge limit value and the second maximum discharge current value. Control current value) is selected as a control condition.
- the notification unit 34 notifies the power supply control device 40 of the control condition in order to control each storage battery module 11 based on the control condition selected by the processing unit 33.
- the power supply control device 40 controls the charging of each storage battery module 11 based on the current value represented by the control condition.
- the control condition is the current value for discharge control
- the power supply control device 40 controls the discharge of each storage battery module 11 based on the current value represented by the control condition.
- the determination unit 16 of the storage battery module 11 determines the first maximum charging current value to be transmitted to the storage battery management device 30 (step S250). Specifically, when the battery temperature measured by the temperature sensor 13 is higher than a predetermined threshold, the determination unit 16 determines the first charging current value as the first maximum charging current value to be transmitted. When the battery temperature is equal to or lower than the predetermined threshold, the determination unit 16 determines the second charging current value as the first maximum charging current value to be transmitted.
- the output unit 15 outputs the first maximum charging current value determined by the determination unit 16 to the control device 20 as characteristic information (step S255).
- the determination unit 16 of the storage battery module 11 determines the first maximum discharge current value to be transmitted to the storage battery management device 30 (step S300). Specifically, when the battery temperature measured by the temperature sensor 13 is higher than a predetermined threshold, the determination unit 16 determines the first discharge current value as the first maximum discharge current value to be transmitted. When the battery temperature is equal to or lower than a predetermined threshold, the determination unit 16 determines the second discharge current value as the first maximum discharge current value to be transmitted.
- the output unit 15 outputs the first maximum discharge current value determined by the determination unit 16 to the control device 20 as characteristic information (step S305).
- the storage battery management device 30 controls the charge control current value from the plurality of first maximum charge current values and the discharge control from the plurality of first maximum discharge current values. Each current value may be selected.
- the power supply control device 40 in this case is the same as the power supply control device 40 described in the second modification of the first embodiment, and thus description thereof is omitted here.
- each storage battery module 11 outputs the full charge condition determined according to the battery temperature as characteristic information to the storage battery management device 30, but is not limited thereto.
- Each storage battery module 11 includes the full charge condition determined according to the battery temperature in the characteristic information, and as described in the second modification of the first embodiment, the full charge according to each of the normal mode and the long life mode.
- the voltage value of the hour may be included.
- the storage battery management device 30 selects, for example, a normal voltage value as control information when the control mode is the normal mode, as in the second modification of the first embodiment.
- the control mode is the long life mode
- the storage battery management device 30 selects, for example, a limit voltage value as control information.
- the control mode is the self-sustained mode, it is the same as that of the second embodiment, and thus description thereof is omitted here.
- the storage battery management device 30 uses the limit voltage value as the control information, but is not limited to this.
- the storage battery management device 30 may select a voltage value lower than the normal voltage value as the control information.
- the storage battery module 11 outputs the voltage value used in the normal mode and the voltage value used in the long life mode to the storage battery management device 30 by further including the characteristic information.
- the power supply control device 40 charges each storage battery module 11 using the generated power of the solar cell 50, but is not limited thereto.
- the power supply control device 40 charges each storage battery module 11 using electric power other than the solar battery 50, for example, electric power generated using natural energy such as wind power, hydraulic power, geothermal heat, or commercial power obtained from a commercial power source. May be.
- each storage battery module 11 includes the temperature sensor 13, but the present invention is not limited to this.
- the storage battery system 10 may include one temperature sensor 13.
- the storage battery management device 30 sets the battery temperature acquired from one temperature sensor 13 as the temperature of each storage battery module 11 (storage battery 12).
- the storage battery management device 30 includes a characteristic information acquisition unit 31 and a notification unit 34.
- the characteristic information acquisition unit 31 acquires characteristic information from the storage battery module 11.
- the notification unit 34 notifies the power supply control device 40 that controls at least one of charging and discharging of the storage battery module 11 of the control condition based on the characteristic information.
- the storage battery management device 30 acquires characteristic information from the storage battery module 11 and notifies the power supply control device 40 of control conditions based on the characteristic information. Therefore, the storage battery management device 30 can control charging and the like under appropriate conditions (control conditions) even when the operator forgets the information setting operation.
- the power supply control device 40 controls the plurality of storage battery modules 11.
- the characteristic information acquisition unit 31 acquires characteristic information from each of the plurality of storage battery modules 11.
- the storage battery management device 30 further includes a processing unit 33 that selects control conditions suitable for the plurality of storage battery modules 11 using the plurality of characteristic information acquired by the characteristic information acquisition unit 31.
- the storage battery management device 30 can control charging and the like under appropriate conditions (control conditions) for the plurality of storage battery modules 11 even when the operator forgets the information setting operation. it can.
- each of the plurality of characteristic information includes a plurality of full charge conditions related to full charge determination.
- the storage battery management device 30 further includes a discrimination information acquisition unit 32 that acquires discrimination information for selecting one full charge condition from a plurality of full charge conditions for each of the plurality of characteristic information.
- the processing unit 33 selects one full charge condition as a suitable condition from among the plurality of full charge conditions using the determination information corresponding to the storage battery module 11. Get conformance conditions.
- the processing unit 33 selects one matching condition that matches the plurality of storage battery modules 11 among the plurality of acquired matching conditions as a control condition.
- the storage battery management device 30 can set the full charge condition related to the determination of the full charge suitable for the plurality of storage battery modules 11.
- the storage battery management device 30 can control charging for all of the plurality of storage battery modules 11 by selecting the strictest condition as the control condition among the full charge conditions selected using the determination condition. .
- the discrimination information is operating environment information related to the operating environment of the storage battery module 11.
- Each of the plurality of full charge conditions is a voltage value at the time of full charge according to the operating environment of the storage battery module 11.
- the processing unit 33 selects one full charge condition from among the plurality of full charge conditions as the matching condition using the operation environment information corresponding to the storage battery module 11. Get the conformance condition of.
- the processing unit 33 selects one adaptation condition, which is a full charge condition representing the lowest voltage value, from among the plurality of obtained adaptation conditions as a control condition.
- the storage battery management device 30 can set a voltage value at the time of full charge suitable for the plurality of storage battery modules 11.
- the operation environment information is the battery temperature of the storage battery module 11 in the storage battery management device 30 according to the fourth aspect.
- the discrimination information acquisition unit 32 acquires the battery temperature for each of the plurality of storage battery modules 11.
- the processing unit 33 selects a full charge condition corresponding to the battery temperature of the storage battery module 11 as the adaptation condition, thereby acquiring a plurality of adaptation conditions.
- the storage battery management device 30 selects the full charge condition corresponding to the battery temperature for each storage battery module 11. Therefore, the storage battery management device 30 can select an optimum voltage value for each storage battery module when the battery temperature of each storage battery module 11 is acquired.
- each of the plurality of characteristic information represents a full charge condition regarding determination of the full charge of the storage battery module 11.
- the processing unit 33 selects one full charge condition suitable for the plurality of storage battery modules 11 among the plurality of full charge conditions as a control condition.
- the storage battery management device 30 can set the full charge condition related to the determination of the full charge suitable for the plurality of storage battery modules 11.
- each of the plurality of full charge conditions is a condition representing a voltage value at the time of full charge.
- the processing unit 33 selects a full charge condition representing the lowest voltage value among the plurality of full charge conditions acquired by the characteristic information acquisition unit 31.
- the storage battery management device 30 can set a voltage value at the time of full charge that matches all of the plurality of storage battery modules 11.
- each of the plurality of characteristic information is the maximum charging current value that can be input by the storage battery module 11 during charging ( 1st maximum charging current value).
- the processing unit 33 selects the minimum charging current value among the plurality of maximum charging current values acquired by the characteristic information acquisition unit 31 as the charging limit value.
- the storage battery management device 30 can select a charging current value suitable for all of the plurality of storage battery modules 11.
- each of the plurality of characteristic information is a maximum discharge current value that can be output by the storage battery module 11 during discharge ( 1st maximum discharge current value).
- the processing unit 33 selects the minimum discharge current value among the plurality of maximum discharge current values acquired by the characteristic information acquisition unit 31 as the discharge limit value.
- the storage battery management device 30 can select a discharge current value suitable for all of the plurality of storage battery modules 11.
- the storage battery management device 30 according to the tenth aspect of the present invention is further provided with a current value acquisition unit 35 in the storage battery management device 30 according to the eighth aspect.
- the current value acquisition unit 35 supplies the maximum charge current value (second maximum charge current value) that can be input to each of the plurality of storage battery modules 11 when the power supply control device 40 charges the plurality of storage battery modules 11. Get from.
- the processing unit 33 selects a smaller current value as a control condition from the selected charging limit value and the maximum charging current value.
- the storage battery management device 30 can set an optimal current value when charging the plurality of storage battery modules 11.
- the storage battery management device 30 of the eleventh aspect according to the present invention is further provided with a current value acquisition unit 35 in the storage battery management apparatus 30 of the ninth aspect.
- the current value acquisition unit 35 supplies a maximum discharge current value (second maximum discharge current value) that can be input from each of the plurality of storage battery modules 11 when the power supply control apparatus 40 discharges the plurality of storage battery modules 11. Get from 40.
- the processing unit 33 selects a small current value as a control condition from the selected discharge limit value and the maximum discharge current value.
- the storage battery management device 30 can set an optimal current value when discharging the plurality of storage battery modules 11.
- a control device 20 includes the storage battery management device 30 according to any one of the first to eleventh aspects and a power supply control device 40.
- the power supply control device 40 receives the control condition from the storage battery management device 30, the power supply control device 40 controls the storage battery module 11 based on the control condition.
- control device 20 can reduce the setting work of information related to control such as charging.
- the storage battery module 11 includes the storage battery 12, a storage unit 14 storing characteristic information for at least one of charging and discharging, and the storage battery management apparatus that manages the characteristic information. Is provided.
- the storage battery module 11 can cause the storage battery management device 30 to perform control such as charging under appropriate conditions even when the operator forgets the information setting operation.
- the storage unit 14 stores a plurality of characteristic information.
- Each of the plurality of characteristic information is a value related to the determination of full charge, and is a voltage value according to the operating environment.
- the storage battery module 11 further includes a determination unit 16 that determines one voltage value from a plurality of voltage values stored in the storage unit 14 according to the operating environment.
- the output unit 15 outputs the voltage value determined by the determination unit 16.
- the storage battery module 11 can output an optimum voltage value at full charge according to the operating environment.
- the operating environment is the battery temperature of the storage battery module 11.
- the determination unit 16 determines one voltage value corresponding to the battery temperature among the plurality of voltage values stored in the storage unit 14.
- the storage battery module 11 can output an optimum voltage value at full charge according to the battery temperature.
- the storage battery management method includes characteristic information acquisition processing and notification processing.
- the characteristic information acquisition process acquires characteristic information from the storage battery module 11.
- the notification process notifies the power supply control device 40 that controls at least one of charging and discharging of the storage battery module 11 of the control condition based on the characteristic information.
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Abstract
Description
以下、本実施形態における蓄電システム1について説明する。
複数の蓄電池モジュール11のそれぞれは、図1に示すように、蓄電池12と温度センサ13と記憶部14と出力部15とを備える。本実施形態では、複数の蓄電池モジュール11は、仕様上、同一種類、同一性能である。
制御装置20は、例えばパワーコンディショナであり、図1に示すように、蓄電池管理装置30と電源制御装置40とを備える。
ここでは、満充電条件を制御条件とするのではなく、充電電流値および放電電流値のすくなくとも一方を制御条件として用いる。ここで、充電電流値とは、各蓄電池モジュール11を充電する際に、電源制御装置40が各蓄電池モジュール11に入力する電流の値である。また、放電電流値とは、各蓄電池モジュール11を放電する際に、電源制御装置40が各蓄電池モジュール11から入力される電流の値である。
実施形態1では、蓄電池管理装置30は、電池温度に応じて満充電の電圧値を選択するとしているが、これに限定されない。蓄電池管理装置30は、電池温度に応じて満充電の電圧値を選択する機能の他、設定された制御モードに応じて、満充電の電圧値を選択してもよい。
実施形態1では、各蓄電池モジュール11は複数の満充電条件(第1満充電条件、第2満充電条件)を蓄電池管理装置30へ出力したが、本実施形態では、各蓄電池モジュール11は1つの満充電条件を蓄電池管理装置30へ出力する点が異なる。
複数の蓄電池モジュール11のそれぞれは、図7に示すように、蓄電池12、温度センサ13、記憶部14、出力部15および決定部16を備えている。蓄電池モジュール11は、プロセッサやメモリを有しており、蓄電池モジュール11の決定部16の機能は、メモリに記憶されているプログラムをプロセッサが実行することにより実現される。このプログラムは、インターネットのような電気通信回線を通して提供されるか、あるいは、コンピュータで読み取りが可能な記録媒体により提供される。
制御装置20は、外部からの電力、例えば太陽電池50の発電電力を用いて、各蓄電池モジュール11を充電するパワーコンディショナであり、図6に示すように、蓄電池管理装置30と電源制御装置40とを備える。
ここでは、実施形態1の変形例1と同様に、充電電流値および放電電流値の少なくとも一方を制御条件として用いる。以下、実施形態2とは異なる点を中心に説明する。なお、本変形例では、実施形態2と同様の構成要素には同一の符号を付して説明を適宜省略する。
実施形態2では、各蓄電池モジュール11は、電池温度に応じて決定された満充電条件を特性情報として、蓄電池管理装置30へ出力したが、これに限定されない。各蓄電池モジュール11は、特性情報に電池温度に応じて決定された満充電条件を含める他、実施形態1の変形例2で説明したように、通常モードおよび長寿命モードのそれぞれに応じた満充電時の電圧値を含めてもよい。
以上、各実施形態に基づいて本発明について説明したが、本発明は上述した実施形態および変形例に限られない。例えば、以下のような変形例が考えられる。
以上述べた各実施形態から明らかなように、本発明に係る第1の態様の蓄電池管理装置30は、特性情報取得部31と通知部34とを備える。特性情報取得部31は、蓄電池モジュール11から特性情報を取得する。通知部34は、蓄電池モジュール11の充電および放電の少なくとも一方に対する制御を行う電源制御装置40に、特性情報に基づいた制御条件を通知する。
12 蓄電池
14 記憶部
15 出力部
16 決定部
30 蓄電池管理装置
31 特性情報取得部
32 判別情報取得部
33 処理部
34 通知部
35 電流値取得部
40 電源制御装置
Claims (16)
- 蓄電池モジュールから特性情報を取得する特性情報取得部と、
前記蓄電池モジュールの充電および放電の少なくとも一方に対する制御を行う電源制御装置に、前記特性情報に基づいた制御条件を通知する通知部とを
備えることを特徴とする蓄電池管理装置。 - 前記電源制御装置は、複数の蓄電池モジュールに対して前記制御を行い、
前記特性情報取得部は、前記複数の蓄電池モジュールのそれぞれから前記特性情報を取得し、
さらに、前記特性情報取得部が取得した複数の特性情報を用いて、前記複数の蓄電池モジュールに対して適合する制御条件を選択する処理部を備える
ことを特徴とする請求項1に記載の蓄電池管理装置。 - 前記複数の特性情報のそれぞれは、満充電の判定に関する複数の満充電条件を含み、
さらに、前記複数の特性情報のそれぞれに対して、前記複数の満充電条件から1つの満充電条件を選択するための判別情報を取得する判別情報取得部を備え、
前記処理部は、前記複数の蓄電池モジュールのそれぞれに対して、当該蓄電池モジュールに対応する前記判別情報を用いて前記複数の満充電条件のうち1つの満充電条件を適合条件として選択することで複数の適合条件を取得し、取得した前記複数の適合条件のうち前記複数の蓄電池モジュールに対して適合する1つの適合条件を、前記制御条件として選択する
ことを特徴とする請求項2に記載の蓄電池管理装置。 - 前記判別情報は、蓄電池モジュールの動作環境に関する動作環境情報であり、
前記複数の満充電条件のそれぞれは、蓄電池モジュールの動作環境に応じた満充電時の電圧値であり、
前記処理部は、前記複数の蓄電池モジュールのそれぞれに対して、当該蓄電池モジュールに対応する前記動作環境情報を用いて前記複数の満充電条件のうち1つの満充電条件を前記適合条件として選択することで前記複数の適合条件を取得し、取得した前記複数の適合条件のうち、最も低い電圧値を表す満充電条件である1つの適合条件を前記制御条件として選択する
ことを特徴とする請求項3に記載の蓄電池管理装置。 - 前記動作環境情報は、蓄電池モジュールの電池温度であり、
前記判別情報取得部は、前記複数の蓄電池モジュールごとに電池温度を前記動作環境情報として取得し、
前記処理部は、前記複数の蓄電池モジュールのそれぞれについて、当該蓄電池モジュールの電池温度に応じた前記適合条件を選択することで前記複数の適合条件を取得する
ことを特徴とする請求項4に記載の蓄電池管理装置。 - 前記複数の特性情報のそれぞれは、蓄電池モジュールの満充電の判定に関する満充電条件を表し、
前記処理部は、複数の満充電条件のうち、前記複数の蓄電池モジュールに対して適合する1つの満充電条件を前記制御条件として選択する
ことを特徴とする請求項2に記載の蓄電池管理装置。 - 前記複数の満充電条件のそれぞれは、満充電時の電圧値を表す条件であり、
前記処理部は、前記特性情報取得部で取得された複数の満充電条件のうち、最も低い電圧値を表す満充電条件を選択する
ことを特徴とする請求項6に記載の蓄電池管理装置。 - 前記複数の特性情報のそれぞれは、充電の際に蓄電池モジュールで入力可能な最大充電電流値を表し、
前記処理部は、前記特性情報取得部で取得した複数の最大充電電流値のうち、最小の充電電流値を充電制限値として選択する
ことを特徴とする請求項2に記載の蓄電池管理装置。 - 前記複数の特性情報のそれぞれは、放電の際に蓄電池モジュールで出力可能な最大放電電流値を表し、
前記処理部は、前記特性情報取得部で取得した複数の放電電流値のうち、最小の放電電流値を放電制限値として選択する
ことを特徴とする請求項2に記載の蓄電池管理装置。 - さらに、前記電源制御装置が前記複数の蓄電池モジュールの充電の際に前記複数の蓄電池モジュールのそれぞれに入力可能な最大充電電流値を、前記電源制御装置から取得する電流値取得部を備え、
前記処理部は、選択した前記充電制限値と前記最大充電電流値とのうち小さい電流値を前記制御条件として選択する
ことを特徴とする請求項8に記載の蓄電池管理装置。 - さらに、前記電源制御装置が前記複数の蓄電池モジュールの放電の際に前記複数の蓄電池モジュールのそれぞれから入力可能な最大放電電流値を、前記電源制御装置から取得する電流値取得部を備え、
前記処理部は、選択した前記放電制限値と前記最大放電電流値とのうち小さい電流値を前記制御条件として選択する
ことを特徴とする請求項9に記載の蓄電池管理装置。 - 請求項1~11のいずれかに記載の蓄電池管理装置と、前記電源制御装置とを備え、
前記電源制御装置は、前記制御条件を前記蓄電池管理装置から受け取ると、前記制御条件に基づいて前記蓄電池モジュールに対する制御を行う
ことを特徴とする制御装置。 - 蓄電池と、
充電および放電の少なくとも一方に対する特性情報を記憶している記憶部と、
前記特性情報を管理する蓄電池管理装置へ前記特性情報を出力する出力部とを
備える蓄電池モジュール。 - 前記記憶部は、複数の特性情報を記憶しており、
前記複数の特性情報のそれぞれは、満充電の判定に関する値であって動作環境に応じた電圧値であり、
前記動作環境に応じて、前記記憶部で記憶している複数の電圧値から1つの電圧値を決定する決定部を、さらに備え、
前記出力部は、前記決定部で決定された前記電圧値を出力する
ことを特徴とする請求項13に記載の蓄電池モジュール。 - 前記動作環境は、蓄電池モジュールの電池温度であり、
前記決定部は、前記記憶部で記憶している複数の電圧値のうち前記電池温度に応じた1つの電圧値を決定する
ことを特徴とする請求項14に記載の蓄電池モジュール。 - 蓄電池モジュールから特性情報を取得する特性情報取得処理と、
前記蓄電池モジュールの充電および放電の少なくとも一方に対する制御を行う電源制御装置に、前記特性情報に基づいた制御条件を通知する通知処理とを
含むことを特徴とする蓄電池管理方法。
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JP2009044946A (ja) * | 2007-07-13 | 2009-02-26 | Sanyo Electric Co Ltd | 組電池の充電方法 |
JP2011113759A (ja) * | 2009-11-25 | 2011-06-09 | Diamond Electric Mfg Co Ltd | バッテリー管理装置とバッテリー管理方法 |
JP2016073009A (ja) * | 2014-09-26 | 2016-05-09 | パナソニックIpマネジメント株式会社 | 蓄電システムおよび制御装置 |
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JP2009044946A (ja) * | 2007-07-13 | 2009-02-26 | Sanyo Electric Co Ltd | 組電池の充電方法 |
JP2011113759A (ja) * | 2009-11-25 | 2011-06-09 | Diamond Electric Mfg Co Ltd | バッテリー管理装置とバッテリー管理方法 |
JP2016073009A (ja) * | 2014-09-26 | 2016-05-09 | パナソニックIpマネジメント株式会社 | 蓄電システムおよび制御装置 |
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AU2016238069A1 (en) | 2017-09-14 |
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