WO2014118903A1 - 電池複合システム - Google Patents
電池複合システム Download PDFInfo
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- WO2014118903A1 WO2014118903A1 PCT/JP2013/051948 JP2013051948W WO2014118903A1 WO 2014118903 A1 WO2014118903 A1 WO 2014118903A1 JP 2013051948 W JP2013051948 W JP 2013051948W WO 2014118903 A1 WO2014118903 A1 WO 2014118903A1
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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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
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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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/381—Dispersed generators
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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
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/20—The dispersed energy generation being of renewable origin
- H02J2300/28—The renewable source being wind energy
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- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Definitions
- the present invention relates to a battery combined system using a plurality of batteries having different characteristics.
- Patent Document 1 discloses a capacity type battery group (hereinafter referred to as “capacity type battery”) having a large capacity and a small output, and an output (output / capacity) relative to the capacity compared to the capacity type battery.
- a battery complex system is disclosed in which power type battery groups (hereinafter referred to as “power type batteries”) having a high value of) are connected in parallel to provide a system having an output capacity ratio optimum for an application.
- Patent Document 2 discloses a control in which an arbitrary fixed set value is determined and a current equal to or less than the set value is input to the capacity type battery, and a current equal to or greater than the set value is input to the power type, or the power type and capacity type battery. ing.
- the present invention is to provide a battery combined system in which the system operation rate is improved by reducing the number of times the SOC of the power type battery reaches the upper limit value or the lower limit value as compared with the conventional method. .
- the battery composite system according to the present invention is a battery composite system in which a capacity type battery and a power type battery having a higher output (output / capacity) value relative to the capacity than the capacity type battery are connected in parallel.
- a threshold value for distributing charge / discharge power to the power type battery or the capacity type battery is changed.
- the number of times the SOC reaches the upper limit or the lower limit is reduced, so that the chance that the power type battery cannot be charged or discharged is reduced.
- the operating rate can be improved.
- the block diagram of the battery composite controller 104 concerning 1st embodiment is shown. It is a figure which shows the flowchart which shows the calculation procedure of the inverter electric power command value of the battery composite controller which concerns on 2nd embodiment.
- the battery combined system 100 includes an inverter 107A and an inverter 107B, and a capacity type battery 105 made up of a plurality of batteries and a power type battery 106 made up of a plurality of batteries are connected to the DC line (108A, 108B) side of each inverter. Yes. Further, the inverter 107A and the inverter 107B are connected in parallel to each other on the AC line 109 side, and are connected to the power generation apparatus 101 and the electric power system 102 outside the battery combined system 100. A power meter 103 is provided on the AC line 109.
- Power meter 103 measures the charge and discharge power P in is input to the cell complex system 100 has a function of transmitting the cell combined controller 104.
- the charge-discharge electric power P in is input to the cell complex system 100, the value of the capacitance-type battery 105, and the charge-discharge power P E _ in which are input to the power battery 106, and P P _ in,
- the charge power value is defined as positive and the discharge power value is defined as negative.
- the power type battery 106 is based on the charge / discharge power P P_in input to the power type battery 106 and information (battery voltage V P , battery temperature Tmp P, etc.) acquired by the power type battery 106.
- calculating the SOC P is, has a function of transmitting the cell combined controller 104.
- Cell combined controller 104 a charge-discharge electric power P in from the power meter 103, acquires information of the SOC P than the power battery 106, the charge and discharge power command value P A and the charge-discharge power command value of the inverter 107B of inverter 107A P B is calculated.
- the calculation method will be described in detail later.
- FIG. 5 is a view showing the contents of the battery composite controller 104 of FIG.
- the charge / discharge power P P_in , the battery voltage V P , and the battery temperature Tmp input to the power type battery 106 are input to the SOC P calculation unit 142, and the current SOC P of the power type battery 106 is calculated.
- the calculation method a method using a current integration method will be described.
- the power type battery 106 calculates the charging / discharging current I P_in input to the power type battery 106 using the battery voltage V P and the charging / discharging power P P_in according to the equation (1).
- the charge / discharge current I P_in may be obtained by installing a current sensor on the DC line 108B of the inverter 107B and measuring it. Next, based on the charge / discharge current I P_in , the initial charge capacity C P0 of the power type battery, and the full charge capacity C P_max , SOC P which is the SOC of the power type battery is calculated by the following equation.
- the threshold calculation unit 141 receives the maximum charge power P E_max , the maximum discharge power P E_min , the SOC target value SOC PT , and the full charge capacity C P_max of the power type battery 106 from the memory 143. Then, the first threshold T r1 and the second threshold T r2 are calculated by performing a calculation described later in the threshold calculation unit 141. The calculation method will be described in detail later.
- the first threshold value T r1, a second threshold value T r2, and the charge-discharge power P in is input to the power calculation unit 144, the power instruction value P A in the power command within computing unit 144, the P B Calculated.
- These power command values P A and P B are output to the inverters 107A and 107B.
- FIG. 2 is a flowchart showing the calculation procedure of the inverter power command values P A and P B of the battery composite controller 104.
- step S300 the threshold value operation unit 141 respectively obtain the value of the charge-discharge electric power P in and the power battery SOC P.
- step S301 it is determined whether or not the charge-discharge power P in in step S301 is below the maximum charge power P E_max capacity battery 105 is and the maximum discharge power P E_min more.
- the maximum charge power P E_max and the maximum discharge power P E_min are values for controlling the capacity type battery 105 so that excessive power that affects the life and heat generation, such as 10 C or more, does not flow.
- the continuous rating value of the battery, the maximum charge / discharge power value of the pulse within 2 seconds, etc. are stored in the memory 143 as described above.
- step S301 the charge-discharge electric power P in is less than or equal to the maximum charge power P E_max, and when it is determined that the maximum discharge power P E_min or more, the process proceeds to step S302.
- the term “greater than or equal to the maximum discharge power P E — min ” here refers to the case where the charging side is taken as a positive value. Therefore, when the absolute value of the charge / discharge power P in is taken under the conditions of step S301, the magnitudes are 0 ⁇
- step S302 the first threshold T r1 and the second threshold T r2 are set based on the SOC P that is the SOC of the power type battery 106 and the SOC target value SOC PT .
- the power type battery 106 is always in a state where both charging and discharging are possible.
- the SOC target value SOC PT of the power type battery 106 is set to the center value of the SOC usage range (for example, when the SOC usage range lower limit value is 30% and the SOC usage range upper limit value is 80%, the SOC target value SOC PT will be 55%.)
- the SOC PT may be set to about 90% of the SOC usage range. Thereby, it is possible to discharge the power battery 106 for a longer time than when the SOC PT is the center value of the SOC use range.
- T r2 0 is set to prevent the charging of the power type battery 106 when SOC P ⁇ SOC PT , so that the SOC P This is to prevent deviation from the target value SOC PT .
- T r1 0 is set so that when SOC P ⁇ SOC PT , the discharge of the power type battery 106 is prevented, so that the SOC P This is to prevent deviation from the target value SOC PT .
- step S301 the charge-discharge electric power P in is less than the maximum charge power P E_max, or maximum discharge when the power was determined to be P E_min or more, satisfy the step S301, the process proceeds to step S302.
- step S302 control is performed so as to satisfy the conditions of the above-described equations (1) and (2). That is, when the process proceeds to step S302, the first threshold value T r1 and the second threshold value T r2 are controlled as shown in FIG.
- step S301 the charge-discharge power P in is greater than the maximum charging power P E_max, or maximum discharge when the power is determined that P E_min smaller, because the condition is not satisfied in step S301, the process proceeds to step S303.
- the first threshold T r1 is set as the maximum charge power P E_max of the capacity type battery 105
- the second threshold T r2 is set as the maximum discharge power P E_min of the capacity type battery 105.
- the term “maximum discharge power P E — min or more” here refers to a case where the charging side is a positive value. Therefore, the condition to reach from step S301 to step S303 is that when the absolute value of the charge / discharge power P in is taken, the magnitude is
- the magnitude of the absolute value of the charge-discharge electric power P in is the magnitude of the absolute value of the absolute value of a larger size, or charge-discharge electric power P in the maximum charging power of the capacitor battery is maximum discharge power It is synonymous with being larger than the absolute value.
- FIG. 3B shows the correlation between the SOC P of the power type battery 106 in step 303, the first threshold value Tr1 , and the second threshold value Tr2 . That is, when the process proceeds to step S303, the first threshold value T r1 and the second threshold value T r2 are controlled as shown in FIG.
- step S304 power command values P A and P B for inverters 107A and 107B are calculated.
- Formulas (3) and (4) show formulas for calculating the power command values P A and P B.
- Cell combined controller 104 calculates electric power control value P A, P B, and transmits to the inverter 107A and the inverter 107B, the power instruction value P A, the P B.
- the inverter 107A and the inverter 107B receive the power command values P A and P B transmitted from the composite controller 104, and the capacity type battery 105 and the power type battery 106 are based on the power command values P A and P B. Charge / discharge control.
- the power type battery 106 when P in > P E_max and P E_min > P in , the power type battery 106 is forced to charge and discharge.
- P E_max ⁇ P in ⁇ P E_min the above-described control enables flexible power distribution to the capacity type battery 105 and the power type battery 106. Therefore, power can be allocated to the capacity type battery 105 and the power type battery 106 in a balanced manner, and the number of times that the SOC of the power type battery 106 reaches the upper limit value or the lower limit value can be reduced.
- Cell is input to the complex system 100 charge-discharge electric power P in (solid line in FIG. 4), the charge-discharge power P E_in inputted to the capacitor battery 105, the charge-discharge power P P_IN inputted to the power battery 106, first Threshold value T r1 , second threshold value T r2 , and power type battery SOC P over time.
- Hatched portion shown in FIG. 4 shows a charge power (or discharge power) P P_IN to the power battery 106, shaded areas show the charging power (or discharge power) P E_in to capacity battery 105. Therefore, the charge-discharge power P in is the sum of the P P_IN and P E_in.
- the first threshold value T r1 and the second threshold value T r2 are constant (see the one-dot chain line in FIG. 4A).
- SOC p of power type battery 106 has reached the upper limit SOC.
- charge and discharge power P in it is less than the threshold value Tr1, for greater than the threshold Tr2, the charge or discharge is performed using all capacity type battery 105.
- the re-charge and discharge power P in the interval T3 exceeds the threshold value T r1, but an attempt to charge the electric power to the power battery 106, because it already SOC p of the power battery 106 has reached the upper limit SOC, The battery cannot be charged (corresponds to the black portion of the section T3). Therefore, the electric power during this time is not only wasted, but there is a risk that the electric power that could not be absorbed by the electric power system 102 will be carried as noise.
- FIG. 4B shows a state when the present invention described in the present embodiment is used.
- the second threshold T r2 is set in the subsequent section T2. It is controlled to be discharged from the power type battery 106. Then, the (T2 when it reaches the N in FIG. 4 (b)) to the control for varying the threshold T2 again when SOC p of the power battery reaches the target SOC PT during period T2.
- the period during which the SOC p of the power type battery 106 reaches the upper limit can be shortened. Therefore, also enables charging to the power battery 106 as charge-discharge electric power P in the interval T3 exceeds the threshold value T r1, since there is no time to be charged not, it is possible to improve system availability.
- the power smoothing battery system of the power generation apparatus 101 has been described as an example.
- a stationary battery used in BEMS BuildingEnergy ManagementEMSystem
- HEMS Home Energy Management System
- UPS BatteryEnergy Management System
- the present invention is also applied to systems, in-vehicle battery systems such as electric vehicles and hybrid vehicles, battery systems for construction machinery such as EV construction machines and hybrid construction machines, and battery systems for railways such as hybrid railways and B-Chop. Can do.
- Embodiment 1 power distribution is performed based on charge / discharge power, but charge / discharge current may be used instead of charge / discharge power.
- charge / discharge current may be used instead of charge / discharge power.
- the overall configuration of the second embodiment is the same as the overall configuration of the first embodiment shown in FIG.
- the present embodiment is different from the first embodiment in that the first threshold value T r1 and the second threshold value T r2 are changed even when P in > P E_max and P E_min > P in. It is.
- FIG. 6 is a flowchart showing a procedure for calculating inverter power command values P A and P B of the battery composite controller 104 of the second embodiment.
- the first threshold value Tr1 and the second threshold value Tr2 are made variable according to the SOC p of the power type battery 106, respectively.
- the SOC P of the power type battery 106 As a calculation example of the first threshold value T r1 and the second threshold value T r2 in step S313, the SOC P of the power type battery 106, its upper and lower limit values SOC Pmin and SOC Pmax , and the constant ⁇ 1 are used. It shows in (5) Formula and (6) Formula.
- the SOC Pmin referred to here is, for example, SOC PT ⁇ 1
- the SOC Pmax is preferably defined as, for example, SOC PT + ⁇ 1 .
- the constant ⁇ 1 is too large, the usage ratio of the power type battery 106 becomes high and the battery life may be shortened. Therefore, for example, a value of about 5 to 10% is preferable.
- FIG. 7A is a view similar to FIG.
- the constant ⁇ 1 introduced in the present embodiment is a value that determines the fluctuation range of the threshold value.
- the absolute values of the first threshold value T r1 and the second threshold value T r2 are obtained. Start to decrease the value.
- FIG. 8 shows the time change of charge / discharge power and the time change of SOCp of the power type battery when the threshold value is changed using the control of the second embodiment.
- the difference from the first embodiment is that the power type battery 106 can be charged with discharge up to T 1N by introducing the above-described step S313.
- the overall configuration of the third embodiment and the flowchart showing the calculation procedure of the inverter power command values P A and P B are the same as those of the first embodiment shown in FIG. 1 and FIG.
- This embodiment is different from the first embodiment in that the calculation method of the first threshold T r1 and the second threshold T r2 determined in step S302 is changed.
- FIG. 9A is a correlation diagram of the power type battery 106 shown in FIG. 3A of the first embodiment in which the correlation between the SOC P , the first threshold value T r1 , and the second threshold value T r2 is changed. Show.
- the first threshold value T r1 and the second threshold value T r2 are set to P E_max and E_min , respectively.
- the control cycle proportionality constant set of S describes a method using a constant alpha 2.
- the formula in the case of SOC P ⁇ SOC PT + ⁇ 2 is the formula (7)
- the formula in the case of SOC P ⁇ SOC PT ⁇ 2 is the formula (8)
- SOC PT ⁇ 2 ⁇ SOC P ⁇ SOC PT + ⁇ 2 The formula in this case is shown as formula (9).
- the second threshold condition T r2 P E_min is satisfied . It is necessary to satisfy.
- the constant ⁇ 2 is, for example, 5 to 10% because the SOC usage width ( ⁇ SOC) of a lithium ion battery for a hybrid vehicle, which is one of power type batteries, is usually designed to be about 10 to 20%. To the extent.
- FIG. 10 shows the change over time of charge / discharge power and the change over time of SOC p of the power battery when the threshold value is varied using the control of the third embodiment.
- FIG. 11 is a flowchart showing a calculation procedure of inverter power command values P A and P B of the battery composite controller 104 of the fourth embodiment.
- the charge-discharge power P in is less than the maximum charge power P E_max, or when it is determined that the maximum discharge power P E_min above, the process proceeds to step S305.
- step S305 it is determined whether the battery temperature Tmp P of the power type battery 106 is equal to or lower than the battery temperature upper limit set value Tmp Plim .
- the process proceeds to S302. Otherwise, the process proceeds to S303.
- One aspect of the present invention is a battery combined system in which a capacity type battery and a power type battery having a higher output / capacity value than that of the capacity type battery are connected in parallel.
- the threshold value for distributing charge / discharge power to the power type battery or the capacity type battery is changed when it is equal to or less than the maximum charge power and equal to or greater than the maximum discharge power.
- This configuration makes it possible to charge or discharge the power type battery even if the capacity type battery is below the maximum charge power and above the maximum discharge power. Therefore, power can be flexibly distributed to the power type battery and the capacity type battery, and the number of times that the SOC of the power type battery reaches the upper limit value or the lower limit value can be reduced.
- one of the present invention is characterized in that threshold values (T r1 , T r2 ) are set based on SOC (State Of Charge) of the power type battery.
- the threshold values (T r1 , T r2 ) are determined based on the SOC of the power type battery instead of the SOC of the capacity type battery, thereby adjusting the SOC of the power type battery whose capacity is likely to be fully charged. The number of times that the SOC of the power type battery reaches the upper limit value or the lower limit value can be reduced.
- the threshold value (T r1 , T r2 ) is further set based on the target value SOC of the power type battery, so that the SOC of the power type battery deviates from a predetermined SOC. It becomes possible to prevent.
- the threshold values (T r1 , T r2 ) are set as the maximum charge power of the capacity type battery, and the charge / discharge power is When the discharge power is smaller than the maximum discharge power of the battery, the threshold value (T r1 , T r2 ) is set as the maximum discharge power of the capacity battery.
- One of the present invention is characterized in that the threshold values (T r1 , T r2 ) are set based on a value obtained by adding or subtracting a predetermined constant to the target value SOC.
- the power type battery can be charged and discharged. Therefore, the charge / discharge current amount of the power type battery can be subdivided as compared with the method described in the first embodiment, and deterioration of the power type battery due to a temperature rise or the like can be suppressed.
- one of the present invention is characterized by adding or subtracting 1 ⁇ 2 of the SOC usage width of the power type battery to the target value SOC.
- the threshold value is the power type battery. Is set based on the upper limit value SOC of the battery or the lower limit value SOC of the power battery.
- the SOC of the power type battery can be reduced more than the method described in the first embodiment. Opportunities to approach the target value will increase. Therefore, it becomes possible to avoid that the power type battery cannot be charged / discharged more than in the first embodiment, and the operating rate of the battery combined system can be improved.
- the upper limit SOC (SOC pmax ) of the SOC of the power type battery is a value obtained by adding a predetermined constant to the target value SOC
- the lower limit SOC (SOC of the SOC of the power type battery) pmin ) is a value obtained by subtracting the predetermined constant from the target value SOC.
- One of the present invention is characterized in that the upper limit SOC (SOC pmax ) and the lower limit SOC (SOC pmin ) are 5 to 10% above or below the target value SOC.
- one of the present invention is characterized in that, when the temperature is equal to or higher than the upper limit temperature of the power type battery, the threshold value is the maximum charge power of the capacity type battery or the threshold value is the maximum discharge power of the capacity type battery.
- the present invention is not limited to the above-described embodiments, and various designs can be made without departing from the spirit of the present invention described in the claims. It can be changed.
- the above-described embodiment has been described in detail for easy understanding of the present invention, and is not necessarily limited to one having all the configurations described.
- a part of the configuration of an embodiment can be replaced with the configuration of another embodiment, and the configuration of another embodiment can be added to the configuration of an embodiment.
Abstract
Description
図1を用いて、電池複合システム100を説明する。
《第二の実施形態》
続いて、第二の実施形態について説明する。
図8に第二の実施形態の制御を用いて閾値を変動させた場合の充放電電力の時間変化、及びパワー型電池のSOCpの時間変化を示す。第一の実施形態と異なる点は、上述したステップS313を導入したことにより、T1Nまでの放電をパワー型電池106に負担させることが可能になる点である。Pin>PE_maxの場合、及びPE_min>Pinの場合にも第1の閾値Tr1、第2の閾値Tr2を変動させることによって、パワー型電池106のSOCpを目標値に近づける機会を増加させることが可能となる。そのため、SOCpが上下限まで達している期間をより短くすることが出来、結果として、第一の実施形態よりも、システム稼働率を向上することが可能となる。
《第三の実施形態》
続いて、第三の実施形態について説明する。
《第四の実施形態》
続いて、第四の実施形態について説明する。本実施形態が第一の実施形態と異なる点は、電池温度上限設定値を判断フローに導入した点である。
101 発電要素
102 電力系統
103 電力測定器
104 電池複合コントローラ
105 容量型電池
106 パワー型電池
107A、107B インバータ
108A、108B DCライン
109 ACライン
Claims (10)
- 容量型電池と、該容量型電池に比べ、出力/容量の値が高いパワー型電池を並列接続した電池複合システムであって、
充放電電力が、前記容量型電池の最大充電電力以下であって最大放電電力以上である場合、
充放電電力を前記パワー型電池または前記容量型電池に分配する閾値を変化させることを特徴とする電池複合システム。 - 請求項1に記載の電池複合システムにおいて、
前記閾値は、前記パワー型電池のSOC(State Of Charge:充電量)に基づいて設定されることを特徴とする電池複合システム。 - 請求項2に記載の電池複合システムにおいて、
前記閾値は、さらに前記パワー型電池の目標値SOCに基づいて設定されることを特徴とする電池複合システム。 - 請求項3に記載の電池複合システムにおいて、
前記充放電電力が、前記容量型電池の最大充電電力より大きい場合には、前記閾値は前記容量型電池の最大充電電力とし、
前記充放電電力が、前記容量型電池の最大放電電力より小さい場合には、前記閾値は前記容量型電池の最大放電電力とすることを特徴とする電池複合システム。 - 請求項3に記載の電池複合システムにおいて、
前記閾値は、前記目標値SOCに所定の定数を加算または減算した値に基づいて設定されることを特徴とする電池複合システム。 - 請求項5に記載の電池複合システムにおいて、
所定の定数は、前記パワー型電池のSOC使用幅の1/2であることを特徴とする電池複合システム。 - 請求項3に記載の電池複合システムにおいて、
前記充放電電力が前記容量型電池の最大充電電力より大きい場合、または前記充放電電力が前記容量型電池の最大放電電力より小さい場合には、前記閾値はパワー型電池の上限値SOC、またはパワー型電池の下限値SOCに基づいて設定されることを特徴とする電池複合システム。 - 請求項7に記載の電池複合システムにおいて、
前記上限値SOCは、前記目標値SOCに所定の定数を加算した値であり、
前記下限値SOCは、前記目標値SOCに前記所定の定数を減算した値であることを特徴とする電池複合システム。 - 請求項8に記載の電池複合システムにおいて、
前記所定の定数は、5~10%であることを特徴とする電池複合システム。 - 請求項3に記載の電池複合システムにおいて、
前記パワー型電池の上限温度以上であった場合、前記閾値を前記容量型電池の最大充電電力、または前記閾値を前記容量型電池の最大放電電力とすることを特徴とする電池複合システム。
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JP2014559401A JP5887431B2 (ja) | 2013-01-30 | 2013-01-30 | 電池複合システム |
PCT/JP2013/051948 WO2014118903A1 (ja) | 2013-01-30 | 2013-01-30 | 電池複合システム |
US14/648,505 US20150303719A1 (en) | 2013-01-30 | 2013-01-30 | Battery Combined System |
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Cited By (6)
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JP2016054607A (ja) * | 2014-09-03 | 2016-04-14 | 三星エスディアイ株式会社Samsung SDI Co.,Ltd. | 電力補助システム |
JP2016167939A (ja) * | 2015-03-10 | 2016-09-15 | 株式会社デンソー | 電源システム |
WO2018074502A1 (ja) * | 2016-10-18 | 2018-04-26 | 株式会社日立製作所 | 電池システム |
CN109066743A (zh) * | 2018-08-07 | 2018-12-21 | 中国电力科学研究院有限公司 | 一种多机并联的电池储能系统自适应控制方法和系统 |
WO2019145999A1 (ja) * | 2018-01-23 | 2019-08-01 | Tdk株式会社 | 直流給電システム |
CN112578302A (zh) * | 2020-12-10 | 2021-03-30 | 中国电力科学研究院有限公司 | 一种梯次利用动力电池重组方法、系统、设备和存储介质 |
Families Citing this family (4)
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US20160233679A1 (en) * | 2013-10-18 | 2016-08-11 | State Grid Corporation Of China | A method and system for control of smoothing the energy storage in wind phtovolatic power fluctuation based on changing rate |
US10118500B2 (en) * | 2016-03-09 | 2018-11-06 | Ford Global Technologies, Llc | Battery capacity estimation based on open-loop and closed-loop models |
JP6799026B2 (ja) * | 2018-05-08 | 2020-12-09 | 株式会社日立製作所 | 複合型蓄電貯蔵システムおよび電力貯蔵方法 |
US11509153B2 (en) * | 2019-07-18 | 2022-11-22 | Save The Planet Co., Ltd. | Charge/discharge control method for storage system and charge/discharge control device |
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- 2013-01-30 US US14/648,505 patent/US20150303719A1/en not_active Abandoned
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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 |
JP2011230618A (ja) * | 2010-04-27 | 2011-11-17 | Denso Corp | 電源装置 |
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JP2016054607A (ja) * | 2014-09-03 | 2016-04-14 | 三星エスディアイ株式会社Samsung SDI Co.,Ltd. | 電力補助システム |
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CN112578302A (zh) * | 2020-12-10 | 2021-03-30 | 中国电力科学研究院有限公司 | 一种梯次利用动力电池重组方法、系统、设备和存储介质 |
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JPWO2014118903A1 (ja) | 2017-01-26 |
JP5887431B2 (ja) | 2016-03-16 |
US20150303719A1 (en) | 2015-10-22 |
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