CN1996705A - DC-DC conversion control system and control method of the mixed driven car - Google Patents

DC-DC conversion control system and control method of the mixed driven car Download PDF

Info

Publication number
CN1996705A
CN1996705A CNA2006101662673A CN200610166267A CN1996705A CN 1996705 A CN1996705 A CN 1996705A CN A2006101662673 A CNA2006101662673 A CN A2006101662673A CN 200610166267 A CN200610166267 A CN 200610166267A CN 1996705 A CN1996705 A CN 1996705A
Authority
CN
China
Prior art keywords
transducer
power
control
voltage
soc
Prior art date
Application number
CNA2006101662673A
Other languages
Chinese (zh)
Other versions
CN1996705B (en
Inventor
王野
Original Assignee
奇瑞汽车有限公司
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 奇瑞汽车有限公司 filed Critical 奇瑞汽车有限公司
Priority to CN2006101662673A priority Critical patent/CN1996705B/en
Publication of CN1996705A publication Critical patent/CN1996705A/en
Application granted granted Critical
Publication of CN1996705B publication Critical patent/CN1996705B/en

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/72Electric energy management in electromobility

Abstract

This invention relates to one mixture dynamic mobile DC to DC conversion control system and its method, which comprises high voltage dynamic power system and low voltage mobile electrical system and is characterized by the following parts: converter is connected to controller through one set of signal wire to combine converter and controller to fulfill control and execution, wherein, the converter determines the its work status according to low voltage electrical system and high voltage battery status and environment temperature and itself factors.

Description

The DC-DC switching control system and the control method of hybrid vehicle
Technical field:
The present invention relates to a kind of DC-DC (DC-to-DC) conversion method of hybrid vehicle, and particularly the hybrid vehicle high voltage power supply is to the DC-DC switching control system and the control method thereof of low-voltage electric system power supply.
Background technology:
At present, cleaning vehicles efficient, energy-saving and environmental protection just become the automobile industry new development trend.For this reason, hybrid vehicle (Hybrid Electric Vehicle, abbreviation HEV) is because of it has the low emission advantage of electric motor car concurrently with the high-energy-density advantage of internal-combustion engines vehicle more and more receives publicity, and becomes one of new vehicle that the current stage researches and develops unexpectedly mutually.(for example: motor) be installed in simultaneously on the automobile to vehicle provides actuating force, on the described mixed power car, auxiliary power unit is actually a high power motor to so-called hybrid vehicle with low-powered engine and auxiliary power source exactly.Exactly conventional engines is done for a short time as far as possible, allowed a part of power bear by electrokinetic cell-electric motor system.It is long that this mixed power plant had both been brought into play the engine continuous working period, the advantage of good dynamic property can be brought into play pollution-free, the low noise benefit of motor again, the two collaborative work, learn from other's strong points to offset one's weaknesses, promptly keep desired vehicle power can reduce fuel consume again.The generation of hybrid vehicle can effectively solve the energy and the environmental issue that the Hyundai Motor industry is brought, the power of the hybrid electric vehicle engine generally engine than at the same level is little, by reasonable control to engine and motor, make and guarantee that engine often is in running under the most effective state by the two cooperating.
In the DC-DC coverter for mixed power vehicle schemes that adopt air-cooled independent installation, on control method, adopt the DC-DC transducer independently to control or the entire car controller assist control both at home and abroad more.There is the shortcoming that volume is big, be difficult for installation in air-cooled DC-DC transducer; Independently be controlled at design after, should not change the drawback of control method and controllability, upgradability difference.Extensively retrieve at the problems referred to above, do not find relevant solution as yet.
Summary of the invention:
Purpose of the present invention is exactly the shortcoming that exists in the prior art for overcoming, and utilizes entire car controller to realize dynamically adjusting the output characteristic of DC-DC converting system, makes the high voltage power battery provide electric energy to be in the optimum state of control to the low pressure vehicle-mounted electrical system.
To achieve these goals, the present invention has adopted following technical scheme:
The DC-DC switching control system of hybrid vehicle, comprise high voltage power power-supply system and low pressure vehicle-mounted electrical system, be associated with the DC-DC transducer between high voltage power power-supply system and the low pressure vehicle-mounted electrical system, it is characterized in that: the DC-DC transducer is connected with mixed power entire car controller by one group of holding wire, the various signals that the DC-DC transducer needs can shared entire car controller in corresponding transducer, finish the control and the diagnosis of DC-DC transducer by entire car controller.The DC-DC transducer mainly passes through holding wire DC-DC enable, DC-DC set, and DC-DC OK, DC-DC load, DC-DC ref is connected with mixed power entire car controller.
The employed control method of DC-DC switching control system according to above-mentioned hybrid vehicle is characterized in that having adopted the following step:
Detection also judges whether the A-battery in the low pressure Vehicular power system needs charging;
If do not need charging, then close the DC-DC transducer;
Charging is if desired then obtained state-of-charge value SOC from the electrokinetic cell of power battery management system by the CAN net;
When SOC<=50%, close the DC-DC transducer;
When 70%>SOC>50%, and engine running, allow to open the DC-DC transducer;
When 80%>SOC>70%, allow out the DC-DC transducer.
The essence of above-mentioned control method is: DC-DC transducer and mixed power entire car controller are combined control and the execution of finishing jointly the DC-DC transducer, the DC-DC transducer decides the operating state of DC-DC transducer according to the state factor of operating state, ambient temperature and the DC-DC transducer of state-of-charge, engine and the big motor of the need for electricity of vehicle-mounted low-voltage electric system, high voltage power battery itself, and the DC-DC transducer will be controlled the output characteristic of DC-DC transducer dynamically according to these factors.
Because in hybrid vehicle, reduce the load of engine accessory power rating as far as possible, be to reduce the effective way that fuel consume improves engine operation efficient.Owing on hybrid vehicle, have electric system of high voltage direct current and the electric system of low-voltage direct simultaneously, cancelled the small generators of former car among the present invention, DC-DC (DC-to-DC) converting system that has self-diagnostic function with a cover replaces original small generators.This cover system can become the voltage that is complementary with the automobile low-voltage electric system to high-tension electricity by step-down, to the low-voltage electric system power supply with to little charge in batteries.
The invention has the advantages that: 1, the cancellation small generators can further reduce the load of hybrid electric vehicle engine, can give full play to the advantage of hybrid vehicle like this, improves high voltage power power supply energy utilance, further reduces the consumption of vehicle fuel; 2, the DC-DC among the present invention (DC-to-DC) converting system control method makes this cover system have high conversion efficiency (its conversion efficiency can reach more than 90%), high power density, high reliability, antijamming capability is strong, output voltage and power output are controlled, characteristics such as low cost.
Description of drawings:
Fig. 1 is DC-DC transducer and entire car controller catenation principle block diagram;
Fig. 2 is a DC-DC conversion switching control method flow chart;
Fig. 3 is maximum safe working load of DC-DC transducer and power battery charged state graph of a relation;
Embodiment:
As shown in Figure 1, DC-DC converting system among the present invention can be according to state-of-charge, the engine behavior of electrokinetic cell, the operating state that the information such as temperature of the state-of-charge of the load condition of low-voltage electric system, the little storage battery of low pressure, DC-DC transducer self are come intelligent selection DC-DC transducer.Mainly finish from the high voltage power electric system and give the power supply of low pressure vehicle-mounted electrical system, give the little charge in batteries of low pressure, adjust low-voltage electric system to a specific magnitude of voltage, functions such as the switch control of DC-DC converting system.This DC-DC transducer makes full use of the mixed resource of power car own and realizes its function, on mechanical structure, with the shared water-cooling system of hybrid power entire car controller; On control realizes, finish the control and the diagnostic function of DC-DC transducer jointly by entire car controller and DC-DC transducer.
Mainly be by DC-DC enable between DC-DC transducer and the hybrid power entire car controller, DC-DC set, DC-DC OK, DC-DC load, carry out communication between DC-DC ref equisignal line and the hybrid power entire car controller, wherein, DC-DC enable is the control signal that enables of DC-DC transducer, and entire car controller can be controlled the startup of DC-DC transducer and stops by this signal; DC-DC set is output voltage and the output current that is used for being provided with the DC-DC transducer; DC-DC OK is the feedback signal of DC-DC transducer operating state; DC-DC load and DC-DC ref are the service loads that is used for feeding back the DC-DC transducer; The signal that the control of other DC-DC transducers needs can shared entire car controller transducer, such as the voltage sensor of vehicle-mounted low-voltage electric system, the environment temperature sensor of vehicle operation etc.
The present invention has also adopted the control method as shown in Figure 2, after the DC-DC control system powers on, to at first detect ignition switch whether in the position of ON, whether connect by the main relay of CAN network measuring high voltage power battery again, detect the voltage of A-battery and judge whether A-battery needs charging, charging if desired, the DC-DC control system will be obtained SOC (state-of-charge) information from the electrokinetic cell of BMS (power battery management system) by the CAN network, obtain the initial voltage output valve of the low-voltage output under this ambient temperature by tabling look-up; At this moment,, possesses preliminary condition, if SOC<50% is then directly closed the DC-DC converting system, with the protection electrokinetic cell system to the power supply of voltage electrical system if the SOC of electrokinetic cell>50% shows that power battery charged state is better.Under the condition of 50%<SOC<70%, if engine turns round, DC-DC converting system error-free information returns simultaneously, will enable DC-DC enable signal, allows DC-DC to open to low-voltage electric system and powers; In addition, if the state-of-charge of electrokinetic cell is fine: SOC>70% o'clock, even engine is in halted state, if when DC-DC converting system error-free information returns, equally also will enable DC-DC enable signal, and allow DC-DC to open and power to low-voltage electric system.Design DC-DC converting system control method purpose (as Fig. 2) and prevent that the overdischarge phenomenon from appearring in electrokinetic cell in to stall, cause the damage of electrokinetic cell, because in engine running, big motor can in time give power battery charging to keep state-of-charge preferably.But when the state-of-charge of electrokinetic cell is good,, be to allow the work of DC-DC converting system to the low-voltage electric system charging in order to guarantee in time even to stall the time.This is that charge-discharge characteristic according to electrokinetic cell decides: the charge-discharge characteristic of the SOC of electrokinetic cell between 50%~70% is best, can finish the charging of battery at short notice; But, can cause electrokinetic cell to damage electrokinetic cell because of overcharging electric capacity when electrokinetic cell during at SOC>80%; When electrokinetic cell during, can cause electrokinetic cell to damage electrokinetic cell because of overdischarge at SOC<40%.So BMS (power battery management system) will control electrokinetic cell not in the regional work of SOC>80% or SOC<40%.The DC-DC transducer will be selected its live load according to the SOC of vehicle-mounted low-voltage electric system need for electricity and high voltage power battery.The DC-DC transducer also will dynamically be adjusted its maximum live load (as Fig. 3) that allows according to the state-of-charge of electrokinetic cell.This control method powers to low-voltage electric system can taking all factors into consideration electrokinetic cell characteristic and low-voltage electric system need for electricity.
As shown in Figure 3, according to the charge-discharge characteristic of electrokinetic cell, the maximum safe working load of DC-DC transducer is divided into 5 zones, among the figure in the maximum safe working load zone of the corresponding different DC-DC converting system in different zones.

Claims (2)

1, the DC-DC switching control system of hybrid vehicle, comprise high voltage power power-supply system and low pressure vehicle-mounted electrical system, be associated with the DC-DC transducer between high voltage power power-supply system and the low pressure vehicle-mounted electrical system, it is characterized in that: the DC-DC transducer is connected with mixed power entire car controller by one group of holding wire, the various signals that the DC-DC transducer needs can shared entire car controller in corresponding transducer, finish the control and the diagnosis of DC-DC transducer by entire car controller.
2, the employed control method of DC-DC switching control system of hybrid vehicle according to claim 1 is characterized in that having adopted the following step:
Detection also judges whether the A-battery in the low pressure Vehicular power system needs charging;
If do not need charging, then close the DC-DC transducer;
Charging is if desired then obtained state-of-charge value SOC from the electrokinetic cell of power battery management system by the CAN net;
When SOC<=50%, close the DC-DC transducer;
When 70%>SOC>50%, and engine running, allow to open the DC-DC transducer;
When 80%>SOC>=70%, allow out the DC-DC transducer;
CN2006101662673A 2006-12-21 2006-12-21 DC-DC conversion control system and control method of the mixed driven car CN1996705B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2006101662673A CN1996705B (en) 2006-12-21 2006-12-21 DC-DC conversion control system and control method of the mixed driven car

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2006101662673A CN1996705B (en) 2006-12-21 2006-12-21 DC-DC conversion control system and control method of the mixed driven car

Publications (2)

Publication Number Publication Date
CN1996705A true CN1996705A (en) 2007-07-11
CN1996705B CN1996705B (en) 2011-06-08

Family

ID=38251680

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2006101662673A CN1996705B (en) 2006-12-21 2006-12-21 DC-DC conversion control system and control method of the mixed driven car

Country Status (1)

Country Link
CN (1) CN1996705B (en)

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009129685A1 (en) * 2008-04-25 2009-10-29 奇瑞汽车股份有限公司 Vehicle double voltage dc/dc converting device
CN101207331B (en) * 2007-11-07 2010-11-17 奇瑞汽车股份有限公司 Control method of commingle dynamic force automobile DC-DC
CN101931253A (en) * 2010-08-31 2010-12-29 重庆长安汽车股份有限公司 CAN bus-based pure electric vehicle charging method and system
CN102104326A (en) * 2009-12-16 2011-06-22 台达电子工业股份有限公司 Vehicle-used DC-to-DC conversion device with communication function
CN102381209A (en) * 2011-10-13 2012-03-21 奇瑞汽车股份有限公司 Fault managing method for low-voltage storage battery of pure electric automobile
CN101141014B (en) * 2007-09-03 2012-03-28 奇瑞汽车股份有限公司 Direct current converting device control method of mixed power vehicle
CN102545585A (en) * 2010-12-23 2012-07-04 上海汽车集团股份有限公司 Method for controlling voltage set point of direct-current high-voltage/low-voltage converter
CN102632809A (en) * 2011-02-14 2012-08-15 福特全球技术公司 Electric vehicle and method of control for active auxiliary battery depletion
CN102862471A (en) * 2011-07-04 2013-01-09 上海华普汽车有限公司 Charging device and charging method of hybrid car
CN104578270A (en) * 2014-12-24 2015-04-29 山东新大洋电动车有限公司 Vehicle-mounted low-voltage power supply device for battery electric vehicle
CN104767230A (en) * 2014-01-08 2015-07-08 博世(中国)投资有限公司 Method and system controlling power to low-voltage power supply
CN105109354A (en) * 2015-09-24 2015-12-02 奇瑞汽车股份有限公司 Mode control system and method for plug-in hybrid electric vehicle direct current converter
CN105539172A (en) * 2015-12-15 2016-05-04 苏州贝多环保技术有限公司 Charging and discharging control method for battery of hybrid electric automobile
CN105667330A (en) * 2016-01-11 2016-06-15 潍柴动力股份有限公司 Control method and system for DCDC (direct current direct current)
CN106004446A (en) * 2016-05-31 2016-10-12 北京现代汽车有限公司 Charge control method and system for low-voltage storage battery of electric automobile, and vehicle control unit
CN106374549A (en) * 2015-07-23 2017-02-01 比亚迪股份有限公司 Charging system for automobile battery, charging method for automobile battery and automobile
CN104859466B (en) * 2014-02-26 2017-03-15 广州汽车集团股份有限公司 A kind of control method of DC/DC converters output voltage and device
CN106611886A (en) * 2015-10-26 2017-05-03 比亚迪股份有限公司 Discharging method and system for hybrid vehicle
CN107215210A (en) * 2016-03-22 2017-09-29 丰田自动车株式会社 Automobile
CN108263214A (en) * 2016-12-30 2018-07-10 北京汽车集团有限公司 A kind of energy control method and device of mixed power electric car low tension battery
CN109130858A (en) * 2018-09-25 2019-01-04 北京新能源汽车股份有限公司 A kind of the DC to DC converter starting control circuit and automobile of electric car
CN110254293A (en) * 2019-07-04 2019-09-20 江西昌河汽车有限责任公司 A kind of electric car low voltage control battery self-inspection cycle control system
CN110978991A (en) * 2019-12-18 2020-04-10 东风商用车有限公司 Hybrid power commercial vehicle electrical system for power generation by solar energy and waste gas waste heat

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4464474B2 (en) * 1998-06-25 2010-05-19 トヨタ自動車株式会社 FUEL CELL SYSTEM, FUEL CELL VEHICLE, AND FUEL CELL CONTROL METHOD
CN1346759A (en) * 2001-10-25 2002-05-01 财团法人工业技术研究院 Electric power output control system for electric vehicle with combined fuel battery
CN1215947C (en) * 2002-12-09 2005-08-24 北京交通大学 Multiple power assembly controller for parallel mixing power electric car
CN1663838A (en) * 2004-12-24 2005-09-07 清华大学 Hybrid power system for automobile driven by fuel cell

Cited By (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101141014B (en) * 2007-09-03 2012-03-28 奇瑞汽车股份有限公司 Direct current converting device control method of mixed power vehicle
CN101207331B (en) * 2007-11-07 2010-11-17 奇瑞汽车股份有限公司 Control method of commingle dynamic force automobile DC-DC
WO2009129685A1 (en) * 2008-04-25 2009-10-29 奇瑞汽车股份有限公司 Vehicle double voltage dc/dc converting device
CN102104326A (en) * 2009-12-16 2011-06-22 台达电子工业股份有限公司 Vehicle-used DC-to-DC conversion device with communication function
CN101931253A (en) * 2010-08-31 2010-12-29 重庆长安汽车股份有限公司 CAN bus-based pure electric vehicle charging method and system
CN102545585B (en) * 2010-12-23 2014-12-17 上海汽车集团股份有限公司 Method for controlling voltage set point of direct-current high-voltage/low-voltage converter
CN102545585A (en) * 2010-12-23 2012-07-04 上海汽车集团股份有限公司 Method for controlling voltage set point of direct-current high-voltage/low-voltage converter
CN102632809B (en) * 2011-02-14 2015-05-27 福特全球技术公司 Electric vehicle and method of control for active auxiliary battery depletion
CN102632809A (en) * 2011-02-14 2012-08-15 福特全球技术公司 Electric vehicle and method of control for active auxiliary battery depletion
CN102862471A (en) * 2011-07-04 2013-01-09 上海华普汽车有限公司 Charging device and charging method of hybrid car
CN102862471B (en) * 2011-07-04 2015-06-10 上海华普汽车有限公司 Charging device and charging method of hybrid car
CN102381209B (en) * 2011-10-13 2014-04-02 奇瑞汽车股份有限公司 Fault managing method for low-voltage storage battery of pure electric automobile
CN102381209A (en) * 2011-10-13 2012-03-21 奇瑞汽车股份有限公司 Fault managing method for low-voltage storage battery of pure electric automobile
CN104767230B (en) * 2014-01-08 2019-07-26 博世(中国)投资有限公司 Control the method and system of the electric power of low-tension supply
CN104767230A (en) * 2014-01-08 2015-07-08 博世(中国)投资有限公司 Method and system controlling power to low-voltage power supply
CN104859466B (en) * 2014-02-26 2017-03-15 广州汽车集团股份有限公司 A kind of control method of DC/DC converters output voltage and device
CN104578270A (en) * 2014-12-24 2015-04-29 山东新大洋电动车有限公司 Vehicle-mounted low-voltage power supply device for battery electric vehicle
CN106374549B (en) * 2015-07-23 2019-05-17 比亚迪股份有限公司 The charging system of automobile batteries and the charging method of automobile batteries and automobile
CN106374549A (en) * 2015-07-23 2017-02-01 比亚迪股份有限公司 Charging system for automobile battery, charging method for automobile battery and automobile
CN105109354A (en) * 2015-09-24 2015-12-02 奇瑞汽车股份有限公司 Mode control system and method for plug-in hybrid electric vehicle direct current converter
CN106611886A (en) * 2015-10-26 2017-05-03 比亚迪股份有限公司 Discharging method and system for hybrid vehicle
CN106611886B (en) * 2015-10-26 2020-06-19 比亚迪股份有限公司 Discharging method and system of hybrid electric vehicle
CN105539172A (en) * 2015-12-15 2016-05-04 苏州贝多环保技术有限公司 Charging and discharging control method for battery of hybrid electric automobile
CN105667330A (en) * 2016-01-11 2016-06-15 潍柴动力股份有限公司 Control method and system for DCDC (direct current direct current)
CN107215210B (en) * 2016-03-22 2019-06-25 丰田自动车株式会社 Automobile
CN107215210A (en) * 2016-03-22 2017-09-29 丰田自动车株式会社 Automobile
CN106004446B (en) * 2016-05-31 2018-07-10 北京现代汽车有限公司 Charge control method, system and the entire car controller of electric vehicle low tension battery
CN106004446A (en) * 2016-05-31 2016-10-12 北京现代汽车有限公司 Charge control method and system for low-voltage storage battery of electric automobile, and vehicle control unit
CN108263214A (en) * 2016-12-30 2018-07-10 北京汽车集团有限公司 A kind of energy control method and device of mixed power electric car low tension battery
CN109130858A (en) * 2018-09-25 2019-01-04 北京新能源汽车股份有限公司 A kind of the DC to DC converter starting control circuit and automobile of electric car
CN110254293A (en) * 2019-07-04 2019-09-20 江西昌河汽车有限责任公司 A kind of electric car low voltage control battery self-inspection cycle control system
CN110978991A (en) * 2019-12-18 2020-04-10 东风商用车有限公司 Hybrid power commercial vehicle electrical system for power generation by solar energy and waste gas waste heat

Also Published As

Publication number Publication date
CN1996705B (en) 2011-06-08

Similar Documents

Publication Publication Date Title
US10766372B2 (en) Method and apparatus for charging multiple energy storage devices
US10766368B2 (en) Dual function battery system and method
US9793722B2 (en) Power source apparatus for vehicle
US20190291594A1 (en) Power supply management apparatus and method thereof
US9969292B2 (en) Semi-active partial parallel battery architecture for an automotive vehicle systems and methods
CN102856948B (en) Cell balancing device
US9327591B2 (en) Electrically powered vehicle and method for controlling same
EP2404801B1 (en) Charge/discharge control system for hybrid vehicle, and control method therefor
US9371005B2 (en) Battery management apparatus for an electric vehicle, and method for managing same
EP2113410B1 (en) Vehicle charge system
US6057666A (en) Method and circuit for controlling charging in a dual battery electrical system
JP6130634B2 (en) Apparatus and method for charging an electric vehicle
US9150170B2 (en) Circuit system for redistribution of electrical energy in a vehicle
EP1043825B1 (en) Battery charger for hybrid vehicle
US6930460B2 (en) Load driver with power storage unit
US6806671B2 (en) Power supply system and power supply method
US8423209B2 (en) Vehicle having power storage devices and charging line for supplying electric power provided from outside vehicle
EP2117106B1 (en) Power supply system and vehicle including the same, and method of controlling the same
CN100413719C (en) Control apparatus and control method of vehicle
CN101746247B (en) Auxiliary drive apparatus and manufacture method thereof
US8049367B2 (en) Power supply system, vehicle with the power supply system and power supply system control method
KR101397023B1 (en) Battery pack and method for controlling the same
KR102016752B1 (en) Battery pack and method for controlling the same
JP4224781B2 (en) Vehicle power control system
CN101116211B (en) Hybrid fuel cell system with battery capacitor energy storage system

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
C14 Grant of patent or utility model