WO2014097409A1 - Chargeur rapide - Google Patents

Chargeur rapide Download PDF

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Publication number
WO2014097409A1
WO2014097409A1 PCT/JP2012/082841 JP2012082841W WO2014097409A1 WO 2014097409 A1 WO2014097409 A1 WO 2014097409A1 JP 2012082841 W JP2012082841 W JP 2012082841W WO 2014097409 A1 WO2014097409 A1 WO 2014097409A1
Authority
WO
WIPO (PCT)
Prior art keywords
power
amount
storage battery
target
soct
Prior art date
Application number
PCT/JP2012/082841
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English (en)
Japanese (ja)
Inventor
敬峰 向井
Original Assignee
Ｊｆｅエンジニアリング株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ｊｆｅエンジニアリング株式会社 filed Critical Ｊｆｅエンジニアリング株式会社
Priority to PCT/JP2012/082841 priority Critical patent/WO2014097409A1/fr
Publication of WO2014097409A1 publication Critical patent/WO2014097409A1/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/46—Accumulators structurally combined with charging apparatus
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the present invention relates to a quick charger.
  • Patent Document 1 includes a single quick charger for an electric vehicle and a quick charge distributor that distributes power from the quick charger for the electric vehicle to each of n charging adapters.
  • a quick charger for electric vehicles When charging an electric vehicle using a quick charger for electric vehicles, the total of the current values flowing through each charging adapter is maximized within the range of the maximum output current value of the quick charger for electric vehicles, A technique for charging a single electric vehicle is disclosed.
  • a quick charger having a power receiving means for receiving power from a commercial power supply, it is desired that the amount of power received through the power receiving means can be reduced.
  • An object of the present invention is to provide a quick charger that can reduce the amount of power received from a commercial power source.
  • the quick charger of the present invention includes a power receiving means connected to a commercial power source, a storage battery connected to the power receiving means, an output connected to the power receiving means and the storage battery, and outputs electric power for charging to an external device. And a target value for the amount of electricity stored in the storage battery varies according to the power received via the power receiving means.
  • the target value of the charged amount when the power received through the power receiving unit is small is larger than the target value of the stored amount when the power received through the power receiving unit is large. Is preferred.
  • the target value of the charged amount is a charging time per time for the external device, a maximum power output to the external device, and a power received via the power receiving means. Is preferably based on
  • the upper limit of the target value of the storage amount corresponds to a product of the maximum output of the storage battery and the charging time per time.
  • the electric power received through the power receiving means is based on an external command value, and the target value of the charged amount is further changed by a change range per time of the external command value. Is preferably based on
  • the target value of the storage amount of the storage battery changes according to the power received through the power receiving means. According to the quick charger according to the present invention, there is an effect that the amount of power received from the commercial power source can be reduced.
  • FIG. 1 is a schematic configuration diagram of a quick charger according to the embodiment.
  • FIG. 2 is a diagram illustrating a relationship between the received power and the target power storage amount according to the embodiment.
  • FIG. 3 is a time chart relating to charging and discharging of the quick charger according to the embodiment.
  • FIG. 4 is another diagram illustrating the relationship between the received power and the target power storage amount according to the embodiment.
  • FIG. 5 is a diagram illustrating a relationship between the received power and the target power storage amount according to the second modification of the embodiment.
  • FIG. 1 is a schematic configuration diagram of a quick charger according to the embodiment.
  • a quick charger 1-1 shown in FIG. 1 is connected to an AC / DC converter 6 as a power receiving means, an equipment storage battery 10 connected to the AC / DC converter 6, and an AC / DC converter 6 and the equipment storage battery 10. And a first DC / DC converter 7 as output means for outputting electric power for charging to an external device.
  • the quick charger 1-1 can function as a power storage facility that can store electric power received from a commercial power source. Further, the quick charger 1-1 can function as a power storage facility capable of appropriately discharging the power stored in the facility storage battery 10 to the store side via the AC / DC converter 6.
  • the quick charger 1-1 includes a bus 5, an AC / DC converter 6, a first DC / DC converter 7, a power conditioner 8, a second DC / DC converter 9, and a storage battery for equipment. 10, an output line 11, and a control device 20.
  • the distribution board 2 is connected to the commercial power line 1.
  • the distribution board 2 is connected to a store power line 3 and a charger power line 4. That is, the quick charger 1-1 is connected to the store via the charger power line 4, the distribution board 2, and the store power line 3.
  • the store power line 3 supplies power to a power consumption facility outside the quick charger 1-1, for example, a store such as a convenience store.
  • the quick charger 1-1 and the store are connected to a commercial power source through a common circuit including the distribution board 2.
  • the bus 5 is connected to the power supply line 4 for the charger via the AC / DC converter 6.
  • the AC / DC converter 6 converts the alternating current input from the power supply line 4 for the charger into a direct current and outputs it to the bus 5, and converts the direct current input from the bus 5 into an alternating current for the charger.
  • the power can be output to the power line 4.
  • the output line 11 is connected to the bus 5 via the first DC / DC converter 7.
  • the output line 11 is a power supply line that supplies electric power to a battery of an external device, in this embodiment, a battery mounted on an electric vehicle (EV).
  • the electric vehicle EV includes not only one having no power source other than the electric motor but also a hybrid vehicle having a power source such as an internal combustion engine in addition to the electric motor.
  • the first DC / DC converter 7 converts the direct current voltage of the bus 5 into a target voltage and outputs it to the output line 11.
  • a storage battery 10 for equipment is connected to the bus 5 via a second DC / DC converter 9.
  • the storage battery 10 for facilities can be charged and discharged.
  • the storage battery 10 for equipment of this embodiment is a lithium ion storage battery.
  • the effective capacity (storage capacity) of the facility storage battery 10 is Qb (kWh).
  • the effective capacity Qb is a capacity in a range used in the charge / discharge control among the total capacity of the facility storage battery 10. For example, when charge / discharge control is performed in the range of 10% to 90% of the total capacity of the storage battery 10 for facilities, the effective capacity Qb is a value of 80% of the total capacity.
  • the second DC / DC converter 9 converts the voltage of the direct current of the bus 5 into a target voltage and outputs it to the facility storage battery 10, and the target voltage of the direct current discharged from the facility storage battery 10 Can be output to the bus 5. Even if the voltage of the storage battery 10 for facilities changes according to the storage amount SOC, the second DC / DC converter 9 can suppress fluctuations in the voltage output to the bus 5. Therefore, the stability of the voltage supplied to the electric vehicle EV can be improved. In addition, since the second DC / DC converter 9 is arranged, the number of batteries of the storage battery 10 for facilities (the number of series connection) can be changed without reassembling the circuit.
  • a solar power generation device 12 is connected to the bus 5 via a power conditioner 8.
  • the solar power generation device 12 converts the light energy of sunlight into electrical energy and outputs a direct current.
  • the maximum value of the generated power is 20 kW.
  • the power conditioner 8 has a DC / DC converter and can execute MPPT (Maximum Power Point Tracking) control.
  • the MPPT control is control for causing the solar power generation device 12 to generate power at a voltage and current value that can maximize the output.
  • the current generated by the solar power generation device 12 is output to the bus 5 via the power conditioner 8.
  • the power conditioner 8 increases the output voltage to the bus 5 higher than the voltage of the storage battery 10 for facilities in the control of the input power Pg input from the solar power generator 12 to the bus 5. When the input power Pg becomes equal to the generated power of the solar power generation device 12, the balance is automatically made. Note that the power conditioner 8 controls the output voltage to the bus 5 to be equal to or lower than the voltage when the storage battery 10 for facilities is fully charged.
  • the control device 20 controls the quick charger 1-1.
  • the control device 20 of the present embodiment is connected to the AC / DC converter 6, the first DC / DC converter 7, the second DC / DC converter 9, the storage battery 10 for equipment, and the power conditioner 8, respectively. 6. Control the first DC / DC converter 7, the second DC / DC converter 9, the storage battery 10 for equipment, and the power conditioner 8.
  • the facility storage battery 10 has a monitoring device that monitors the temperature and voltage of the facility storage battery 10, the storage amount SOC (kWh), the current value to be charged and discharged, and the like.
  • the control device 20 acquires information related to the facility storage battery 10 from the monitoring device for the facility storage battery 10.
  • the storage amount SOC is calculated in the range of the effective capacity Qb. For example, when charge / discharge control is performed within the range of 10% to 90% of the total capacity of the storage battery 10 for facilities, the storage amount SOC is calculated by setting the remaining amount of 10% of the total capacity to 0 (kWh) of the storage amount SOC. Is done.
  • the storage rate (%) of the facility storage battery 10 is such that the remaining amount of 10% of the total capacity of the facility storage battery 10 is 0% of the storage rate, and the remaining amount of 90% of the total capacity is 100% of the storage rate. It becomes.
  • Control device 20 determines transmission / reception power Pqc (kW) that is power received from charger power supply line 4 via AC / DC converter 6 or discharged to charger power supply line 4 via AC / DC converter 6. .
  • Control device 20 outputs a command value of voltage and current to be output to bus 5 or a command value of voltage and current to be discharged to charger power supply line 4 based on transmission / reception power Pqc.
  • the AC / DC converter 6 controls the voltage and current output to the bus 5 or the voltage and current discharged to the charger power supply line 4 based on the command value received from the control device 20.
  • a current value input / output via the AC / DC converter 6 is referred to as an exchange current value Iqc.
  • the control device 20 sets the output power Po (kW) to be supplied to the electric vehicle EV in response to a charging request from the electric vehicle EV connected to the output line 11.
  • the maximum output power Pomax which is the maximum value of the output power Po, is 50 kW, but it may be any value.
  • the control device 20 outputs to the first DC / DC converter 7 a voltage and current command value to be output to the output line 11 based on a request from the electric vehicle EV.
  • the first DC / DC converter 7 controls the voltage and current output from the bus 5 to the output line 11 based on the command value from the control device 20.
  • the control device 20 acquires input power Pg (voltage and current) generated by the solar power generation device 12 and input to the bus 5 from the power conditioner 8.
  • the control device 20 can instruct the power conditioner 8 to shut off the solar power generation device 12 and the bus 5 and set the input power Pg to zero.
  • the control device 20 determines the discharge power Pb of the facility storage battery 10 and outputs a voltage and current command value output from the facility storage battery 10 to the bus 5 based on the discharge power Pb, or outputs from the bus 5 to the facility storage battery 10.
  • the voltage and current command values are output to the second DC / DC converter 9.
  • the second DC / DC converter 9 controls the voltage and current output from the facility storage battery 10 to the bus 5 or the voltage and current output from the bus 5 to the facility storage battery 10 based on the command value from the control device 20. To do.
  • the demand controller 15 is connected to the control device 20.
  • the demand controller 15 is an external control device that controls the power-receiving demand by combining the power consumption equipment connected to the store power line 3 and the quick charger 1-1.
  • the demand controller 15 detects the power received from the commercial power supply line 1 via the distribution board 2 and calculates the amount of power received per predetermined time.
  • the demand controller 15 outputs a command value (allowable maximum power) indicating the maximum value of power that can be received by the quick charger 1-1 based on the calculated power amount.
  • the quick charger 1-1 determines the transfer power Pqc based on the allowable maximum power output from the demand controller 15.
  • the power received from the commercial power supply via the AC / DC converter 6 is set to be equal to or lower than the allowable maximum power.
  • the control device 20 receives the power via the AC / DC converter 6 with the transmission / reception power Pqc as the allowable maximum power.
  • the control device 20 causes the facility storage battery 10 to discharge when the exchanged power Pqc is insufficient with respect to the output power Po.
  • control device 20 outputs at least a part of the output power Po that is insufficient with the exchanged power Pqc from the input power Pg from the solar power generation device 12 and discharges it to the facility storage battery 10 when the power is insufficient. It can also be made to do.
  • the amount of power received from a commercial power source can be reduced.
  • the amount of power received can be reduced during the daytime when the unit price of the power rate is relatively high or during peak hours when the power demand is high.
  • the target value of the storage amount SOC of the facility storage battery 10 changes according to the power received via the AC / DC converter 6 as the power receiving means.
  • the target value of the stored electricity amount SOC can be appropriately determined according to the received power, and the received power amount can be reduced.
  • the target value of the storage amount SOC is the upper limit of the storage amount SOC when the facility storage battery 10 is stored. Therefore, even if the charged amount SOC exceeds the target value, it is not necessary to reduce the charged amount SOC to the target value.
  • FIG. 2 is a diagram illustrating a relationship between the received power and the target power storage amount according to the embodiment.
  • the horizontal axis indicates the received power received from the commercial power supply via the AC / DC converter 6, and the vertical axis indicates the target value of the storage amount SOC (hereinafter referred to as “target storage amount SOCt”).
  • the received power on the horizontal axis may be the power actually received by the quick charger 1-1 or the command value from the demand controller 15, that is, the allowable maximum power.
  • FIG. 2 shows the relationship between the received power and the target charged amount SOCt when the maximum output of the facility storage battery 10 is equal to or greater than the maximum output power Pomax for the electric vehicle EV.
  • the maximum output power Pomax is 50 kW. Therefore, when the maximum output of the facility storage battery 10 is 50 kW or more, the target storage amount SOCt is determined based on the correspondence shown in FIG.
  • the target storage amount SOCt when the received power is small is larger than the target storage amount SOCt when the received power is large. Therefore, when large electric power can be received from the commercial power source, the charged amount SOC can be kept low, and the received power amount from the commercial power source can be suppressed.
  • the relationship between the received power and the target charged amount SOCt is linear, and the target charged amount SOCt decreases as the received power increases.
  • the target charged amount SOCt is determined by the charging time Tchg per time for an external device, the maximum power output to the external device (maximum output power Pomax), and AC / Based on the power received via the DC converter 6.
  • the target power storage amount SOCt can continue to output the maximum output power Pomax to the electric vehicle EV by the received power from the commercial power source and the discharge power Pb of the facility storage battery 10 during one charging time Tchg. It is stipulated in.
  • the target storage amount SOCt is determined so that, for example, the charging of the electric vehicle EV can be completed by the discharge power Pb of the facility storage battery 10 even when the received power is 0 kW.
  • the charging time Tchg (maximum charging time) per electric vehicle EV is 30 min (0.5 h).
  • the storage amount SOC needs to be 25 kWh.
  • the target storage amount SOCt when the received power is 0 kW is 25 kWh. If the storage amount SOC is 25 kWh at the start of charging of the electric vehicle EV, the charging of the electric vehicle EV can be completed by the facility storage battery 10 even if the received power is 0 kW.
  • the target storage amount SOCt when the received power is 50 kW or more is 0 kWh. If the received power is 50 kW or more, it is possible to complete charging of the electric vehicle EV with the received power even if the storage amount SOC of the facility storage battery 10 is 0 kWh. If the storage battery 10 for facilities is stored based on the target storage amount SOCt shown in FIG. 2, the output power Po of 50 kW is continuously supplied to the electric vehicle EV during the charging time Tchg regardless of the received power. be able to.
  • the target charged amount SOCt is set to a minimum value that can complete the charging of the electric vehicle EV. Therefore, the amount of power received from the commercial power source can be minimized.
  • FIG. 3 is a time chart relating to charging / discharging of the quick charger 1-1 according to the present embodiment.
  • the horizontal axis indicates time
  • the vertical axis indicates the storage amount SOC.
  • the electric vehicle EV is charged between time t1 and t2 (first time), between time t3 and t4 (second time), and between time t5 and t6 (third time). Done.
  • the storage amount SOC after the first charge and the second charge is larger than the target storage amount SOCt, respectively. Accordingly, the storage of the facility storage battery 10 is not performed after the charging is completed.
  • the storage amount SOC after the third charge is less than the target storage amount SOCt.
  • the electrical storage with respect to the storage battery 10 for facilities is started from the time t6.
  • the storage amount SOC recovers to the target storage amount SOCt at time t7, the power reception from the commercial power supply is ended, and the storage of the facility storage battery 10 is ended. Thereafter, when the storage amount SOC falls below the target storage amount SOCt, the facility storage battery 10 is charged.
  • the storage amount SOC of the facility storage battery 10 can be kept to the minimum necessary for completing the charging of the electric vehicle EV. It is possible to suppress the amount of power received from the.
  • the method for determining the target charged amount SOCt may be performed constantly or when a predetermined condition is satisfied.
  • the method for determining the target storage amount SOCt as described above may be performed during a predetermined period or a predetermined time period.
  • the predetermined time zone can be, for example, a time zone in which the unit price of the power rate is relatively high in one day, for example, daytime time.
  • the predetermined time zone may be a time zone (heavy load time, peak time) when power demand is large.
  • the predetermined period can be, for example, summer.
  • the target power storage amount SOCt during the time period excluding the predetermined time period may be different from the target power storage amount SOCt during the predetermined time period.
  • the target power storage amount SOCt in the time zone excluding the predetermined time zone is desirably equal to or greater than the target power storage amount SOCt in the predetermined time zone, and is preferably larger than the target power storage amount SOCt in the predetermined time zone. In this way, in preparation for the discharge in the next predetermined time zone, the charged amount SOC can be sufficiently recovered in the time zone excluding the predetermined time zone.
  • the target power storage amount SOCt when the received power is large may be made larger than the target power storage amount SOCt when the received power is low, contrary to the predetermined time zone.
  • the target power storage amount SOCt when the power reception amount is 0 kW may be common between the predetermined time zone and a time zone other than the predetermined time zone.
  • the target power storage amount SOCt when the received power in the time zone other than the predetermined time zone is 0 kW may be 25 kWh.
  • the relationship between the target power storage amount SOCt and the received power in a time zone other than the predetermined time zone can be linear, for example.
  • the target storage amount SOCt in the time period excluding the predetermined time period may be a constant value, for example, the maximum value (storage rate 100%) of the storage amount SOC.
  • the facility storage battery 10 can be charged to the maximum extent in preparation for discharge in the next predetermined time period.
  • FIG. 4 is another diagram showing the relationship between the received power and the target charged amount SOCt according to the embodiment.
  • FIG. 4 shows the relationship between the received power and the target charged amount SOCt when the maximum output of the facility storage battery 10 is less than the maximum output power Pomax for the electric vehicle EV.
  • the maximum value of the target storage amount SOCt is the maximum amount of power output from the facility storage battery 10 in one charge time Tchg.
  • the relationship between the received power and the target storage amount SOCt shown in FIG. 4 is that the maximum output of the facility storage battery 10 is 25 kW and the charging time Tchg is 0.5 h, and the maximum value of the target storage amount SOCt is 12.5 kWh. It is.
  • the upper limit of the target storage amount SOCt corresponds to the product of the maximum output of the facility storage battery 10 and the charging time Tchg per time.
  • the target storage amount SOCt is constant at the maximum value of 25 kWh.
  • the target charged amount SOCt is variable.
  • the target charged amount SOCt when the received power is small is larger than the target charged amount SOCt when the received power is large.
  • the relationship between the received power and the target charged amount SOCt is linear in the received power region greater than 25 kW.
  • the storage when storing in the facility storage battery 10, the storage is stopped when the storage amount SOC reaches the target storage amount SOCt.
  • the storage using the input power Pg from the solar power generation device 12 is not performed. It may be performed separately. That is, the target storage amount SOCt can be the upper limit of the storage amount SOC when the facility storage battery 10 is stored by receiving power from a commercial power source.
  • Power storage using the input power Pg from the solar power generation device 12 may be executed regardless of the target power storage amount SOCt. For example, power may be stored using the input power Pg up to the maximum power storage amount SOC.
  • the relationship between the received power and the target charged amount SOCt when the target charged amount SOCt changes according to the received power is not limited to linear.
  • the target storage amount SOCt may change stepwise with respect to a change in received power.
  • the target power storage amount SOCt may be decreased by a certain amount every time the received power increases by a certain amount.
  • FIG. 5 is a diagram illustrating a relationship between the received power and the target charged amount SOCt according to the second modification of the embodiment.
  • the target charged amount SOCt is indicated by a white circle ( ⁇ ).
  • the solid line shown in FIG. 5 is the minimum storage amount SOC required to complete the charging of the electric vehicle EV when the received power is constant.
  • a predetermined margin hereinafter referred to as “addition amount ⁇ S” is added to the minimum required storage amount SOC in preparation for fluctuations in the maximum allowable power to determine the target storage amount SOCt. ing.
  • the allowable maximum power output from the demand controller 15 can fluctuate according to the detected amount of power received. Even when the allowable maximum power is reduced, it is preferable that the charging of the electric vehicle EV can be completed in one charging time Tchg.
  • the target power storage amount SOCt includes the addition amount ⁇ S.
  • the addition amount ⁇ S may be a constant value or may be variable according to the received power.
  • the addition amount ⁇ S may be a predetermined ratio (for example, 5% or 10%) with respect to the minimum required storage amount SOC (value on the straight line in FIG. 5) determined from the current received power, for example. Good.
  • the addition amount ⁇ S when the received power is large may be smaller than the addition amount ⁇ S when the received power is small.
  • the shortage of the output power Po when charging the electric vehicle EV is suppressed because the target charged amount SOCt includes the added amount ⁇ S.
  • charging can be completed even when the allowable maximum power is reduced during charging of the electric vehicle EV.
  • the time interval at which the demand controller 15 changes the allowable maximum power is preferably equal to or longer than the charging time Tchg. In this way, even if the allowable maximum power changes during charging of the electric vehicle EV, the number of times is at most one. Therefore, it is possible to secure a minimum required storage amount SOC in preparation for a decrease in the allowable maximum power, and to suppress an excessive storage in the facility storage battery 10 and an increase in the amount of received power. .
  • the target of charging by the quick charger 1-1 is the electric vehicle EV.
  • the present invention is not limited to this, and other external devices may be charged.
  • the quick charger 1-1 may be one that does not receive power from an external power generator such as the solar power generator 12.
  • the quick charger 1-1 may receive power from a power generation device other than the solar power generation device 12, for example, a wind power generation device.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Supply And Distribution Of Alternating Current (AREA)

Abstract

L'invention concerne un chargeur rapide, comprenant : un moyen de réception de puissance connecté à une alimentation électrique commerciale ; une batterie d'accumulateurs connectée au moyen de réception de puissance ; et un moyen de sortie connecté au moyen de réception de puissance et à la batterie d'accumulateurs, et qui transmet la puissance de charge à un dispositif externe. La valeur cible (SOCt) pour la quantité d'accumulation pour la batterie d'accumulateurs change en fonction de la puissance reçue via le moyen de réception de puissance. Il est désirable que la valeur cible (SOCt) pour la quantité d'accumulation, quand la quantité de puissance reçue via le moyen de réception de puissance est petite, soit supérieure à la valeur cible (SOCt) pour la quantité d'accumulation quand la quantité de puissance reçue via le moyen de réception de puissance est grande.
PCT/JP2012/082841 2012-12-18 2012-12-18 Chargeur rapide WO2014097409A1 (fr)

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Application Number Priority Date Filing Date Title
PCT/JP2012/082841 WO2014097409A1 (fr) 2012-12-18 2012-12-18 Chargeur rapide

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Application Number Priority Date Filing Date Title
PCT/JP2012/082841 WO2014097409A1 (fr) 2012-12-18 2012-12-18 Chargeur rapide

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WO2014097409A1 true WO2014097409A1 (fr) 2014-06-26

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007535282A (ja) * 2003-07-10 2007-11-29 エアロヴァイロンメント インコーポレイテッド バッテリー充電システム及び方法
JP2009105998A (ja) * 2007-10-19 2009-05-14 Sumitomo Electric Ind Ltd 蓄電装置
JP2011200104A (ja) * 2010-01-08 2011-10-06 Jfe Engineering Corp 急速充電装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007535282A (ja) * 2003-07-10 2007-11-29 エアロヴァイロンメント インコーポレイテッド バッテリー充電システム及び方法
JP2009105998A (ja) * 2007-10-19 2009-05-14 Sumitomo Electric Ind Ltd 蓄電装置
JP2011200104A (ja) * 2010-01-08 2011-10-06 Jfe Engineering Corp 急速充電装置

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