CN110600833A - Self-heating system for vehicle-mounted battery pack of electric vehicle - Google Patents

Self-heating system for vehicle-mounted battery pack of electric vehicle Download PDF

Info

Publication number
CN110600833A
CN110600833A CN201910842997.8A CN201910842997A CN110600833A CN 110600833 A CN110600833 A CN 110600833A CN 201910842997 A CN201910842997 A CN 201910842997A CN 110600833 A CN110600833 A CN 110600833A
Authority
CN
China
Prior art keywords
mos tube
battery pack
inductor
mos
mos transistor
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201910842997.8A
Other languages
Chinese (zh)
Inventor
靳丁龙
赵平华
周用华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHEJIANG YIKONG POWER SYSTEM Co.,Ltd.
Original Assignee
Shanghai Iraq Control Power System Co Ltd
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 Shanghai Iraq Control Power System Co Ltd filed Critical Shanghai Iraq Control Power System Co Ltd
Priority to CN201910842997.8A priority Critical patent/CN110600833A/en
Publication of CN110600833A publication Critical patent/CN110600833A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/61Types of temperature control
    • H01M10/615Heating or keeping warm
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/62Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625Vehicles
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/63Control systems
    • H01M10/637Control systems characterised by the use of reversible temperature-sensitive devices, e.g. NTC, PTC or bimetal devices; characterised by control of the internal current flowing through the cells, e.g. by switching
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/656Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567Liquids
    • 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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Automation & Control Theory (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The invention provides a self-heating system of a vehicle-mounted battery pack of an electric automobile, which comprises a battery pack, an inverter and a motor, wherein the battery pack comprises a battery pack and an internal resistor, the inverter comprises an energy storage capacitor, a first MOS (metal oxide semiconductor) tube, a second MOS tube, a third MOS tube, a fourth MOS tube, a fifth MOS tube and a sixth MOS tube, the motor comprises a first inductor, a second inductor and a third inductor, the source electrode of the first MOS tube is connected with the drain electrode of the second MOS tube and the first inductor, the source electrode of the third MOS tube is connected with the drain electrode of the fourth MOS tube and the second inductor, and the source electrode of the fifth MOS tube is connected with the sixth MOS tube and the third inductor; the invention has the advantages that: by adopting the self-heating method, the existing three-electric system of the electric automobile can be utilized under the condition of not increasing the cost, the volume and other peripheral circuits of the whole automobile, the self-heating effect of the vehicle-mounted battery pack can be efficiently and reliably realized under the low-temperature condition, and the service life and the applicability of the vehicle-mounted battery pack of the electric automobile under the low-temperature condition are improved.

Description

Self-heating system for vehicle-mounted battery pack of electric vehicle
Technical Field
The invention relates to the field of vehicle-mounted batteries, in particular to a self-heating system for a vehicle-mounted battery pack of an electric automobile.
Background
One of the existing battery pack heating modes under the low-temperature condition of the electric automobile is an external heating mode, such as heating by surrounding an electric heating wire, an electric heating film and a heating plate, heating by liquid and introducing the heated liquid into a battery pack for heating, and the like; the other is that a set of battery pulse discharging device or circuit is added outside, an external resistor is heated in the discharging process of the battery, and the battery pack is heated by heat generated by the resistor.
In practical application, a battery pack is heated by an electric heating wire, an electric heating film and a heating plate in a surrounding way, liquid is heated and then introduced into the battery pack to be heated, and the like, and a set of battery pulse discharging device or circuit is added outside the battery pack.
Disclosure of Invention
The invention aims to provide a self-heating system for a vehicle-mounted battery pack of an electric automobile.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a self-heating system of a vehicle-mounted battery pack of an electric automobile is characterized by comprising a battery pack, an inverter and a motor, wherein the battery pack comprises a battery pack and an internal resistance, the positive electrode of the battery pack is connected with one end of the internal resistance,
the inverter comprises an energy storage capacitor, a first MOS tube, a second MOS tube, a third MOS tube, a fourth MOS tube, a fifth MOS tube and a sixth MOS tube, the other end of the internal resistance is connected with one end of the energy storage capacitor, the other end of the internal resistance is also connected with drain electrodes of the first MOS tube, the third MOS tube and the fifth MOS tube, the other end of the energy storage capacitor and source electrodes of the second MOS tube, the fourth MOS tube and the sixth MOS tube are connected with a negative electrode of the battery pack, the source electrode of the first MOS tube is connected with a drain electrode of the second MOS tube, the source electrode of the third MOS tube is connected with a drain electrode of the fourth MOS tube, the source electrode of the fifth MOS tube is connected with a drain electrode of the sixth MOS tube, the motor comprises a first inductor, a second inductor and a third inductor, the source electrode of the first MOS tube and the drain electrode of the second MOS tube are connected with one end of the first inductor, the source electrode of the third MOS tube and the drain electrode of the fourth MOS tube are connected with one end of the second inductor, and the source electrode of the fifth MOS tube and the drain electrode of the sixth MOS tube are connected with one end of the third inductor.
The self-heating system of the vehicle-mounted battery pack of the electric vehicle as claimed in claim 1, wherein a parasitic diode is respectively arranged between the source electrode and the drain electrode of the first MOS transistor, the second MOS transistor, the third MOS transistor, the fourth MOS transistor, the fifth MOS transistor and the sixth MOS transistor.
The invention has the advantages that: in the discharging and charging processes of the battery pack, the internal resistance of the battery pack can generate heat to further heat the battery pack, and the conduction loss of two bridge arms in the IGBT can further heat circulating water of the system.
Drawings
FIG. 1 is an overall connection block diagram of the present invention;
FIG. 2 is a current flow diagram during the discharge of the battery pack according to the present invention;
FIG. 3 is a current flow diagram during the charging process of the battery pack according to the present invention;
fig. 4 is a graph showing simulated current waveforms of IB and IU during charging and discharging of the battery pack according to the present invention.
Reference numerals:
1 battery pack, 2 inverter, 3 motor,
An L-type energy storage capacitor, a S1 first MOS transistor, a S2 second MOS transistor, a S3 third MOS transistor,
S4 fourth MOS transistor, S5 fifth MOS transistor, S6 sixth MOS transistor, R internal resistance,
L1 first inductor, L2 second inductor, L3 third inductor, G battery pack and C energy storage capacitor
A first parasitic diode D1, a second parasitic diode D2, a third parasitic diode D3,
D4 fourth parasitic diode, D5 fifth parasitic diode, D6 sixth parasitic diode,
LU first inductance, LV second inductance, LW third inductance.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention discloses a self-heating system of a vehicle-mounted battery pack of an electric automobile, which comprises a battery pack 1, an inverter 2 and a motor 3, wherein the battery pack 1 directly supplies power to the inverter 2, and the inverter 2 converts direct current of the battery pack 1 into alternating current and then supplies the alternating current.
The battery pack 1 comprises a battery pack G and an internal resistor, the positive electrode of the battery pack G is connected with one end of the internal resistor, the inverter 2 comprises an energy storage capacitor C, a first MOS tube S1, a second MOS tube S2, a third MOS tube S3, a fourth MOS tube S4, a fifth MOS tube S5 and a sixth MOS tube S6, and the motor 3 comprises a first inductor LU, a second inductor LV and a third inductor LW.
As shown in fig. 1, the other end of the internal resistance is connected to one end of the energy storage capacitor C, the other end of the internal resistance is further connected to the drains of the first MOS transistor S1, the third MOS transistor S3 and the fifth MOS transistor S5, the other end of the energy storage capacitor C and the sources of the second MOS transistor S2, the fourth MOS transistor S4 and the sixth MOS transistor S6 are all connected with the cathode of the battery G, the source of the first MOS transistor S1 is connected to the drain of the second MOS transistor S2, the source of the third MOS transistor S3 is connected to the drain of the fourth MOS transistor S4, the source of the fifth MOS transistor S5 is connected to the drain of the sixth MOS transistor S6, the source of the first MOS transistor S1 is connected to the drain of the second MOS transistor S2 and one end of the first inductor LU, the source of the third MOS transistor S3 and the drain of the fourth MOS transistor S4 are connected to one end of the second inductor LV, the source of the fifth MOS transistor S5 and the drain of the sixth MOS transistor S6 are connected to one end of the third inductor LW.
A first parasitic diode D1 is arranged between the source and the drain of the first MOS transistor S1, a second parasitic diode D2 is arranged between the source and the drain of the second MOS transistor S2, a second parasitic diode D2 is arranged between the source and the drain of the second MOS transistor S2, a third parasitic diode D3 is arranged between the source and the drain of the third MOS transistor S3, a fourth parasitic diode D4 is arranged between the source and the drain of the fourth MOS transistor S4, a fifth parasitic diode D5 is arranged between the source and the drain of the fifth MOS transistor S5, and a sixth parasitic diode D6 is arranged between the source and the drain of the sixth MOS transistor S6.
The first MOS transistor S1, the second MOS transistor S2, the third MOS transistor S3, the fourth MOS transistor S4, the fifth MOS transistor S5 and the sixth MOS transistor S6 integrally form an IGBT.
As shown in fig. 2, the U-phase upper bridge first MOS transistor S1 and the V-phase lower bridge fourth MOS transistor S4 of the inverter 2 are controlled to be turned on simultaneously, the battery pack 1 and the energy storage capacitor C inside the inverter 2 are discharged through the first MOS transistor S1 → the first inductor LU → the second inductor LV → the fourth MOS transistor S4, the discharge current IB = IU-IC of the battery pack 1, IU = IV, and the magnitudes of IB and IU are determined by the on time of the first MOS transistor S1/the on time of the fourth MOS transistor S4.
As shown in fig. 3, the U-phase upper bridge first MOS transistor S1 and the V-phase lower bridge fourth MOS transistor S4 of the inverter 2 are controlled to be turned on and then turned off simultaneously, because of the pure inductance characteristic of the inductance, the magnitude and direction of the current flowing through the first inductance LU and the second inductance LV do not change abruptly, the current flowing through the inductance of the motor 3 flows through the second parasitic diode D2 → the first inductance LU → the second inductance LV → the third parasitic diode D3 to charge the battery pack 1, and the charging current IB = IU-IC, IU = IV, the magnitudes of IB and IU are determined by = first MOS transistor S1/fourth MOS transistor S4 on-time.
As shown in fig. 4, the simulated current waveform of IB during the charging and discharging process of the battery pack 1 includes an on-time of 100us for the first MOS transistor S1/the fourth MOS transistor S4, a duty ratio of 25%, i.e. an on-time frequency of 2.5KHZ, a maximum discharging current of 180A, and a maximum charging current of 131A.
In the discharging and charging processes of the battery pack 1, the internal resistance R of the battery pack 1 can generate heat, so that the battery pack 1 is heated, the conduction losses of the two bridge arms of the first MOS tube S1 and the fourth MOS tube S4 can further heat circulating water of the system, and 6 paths of MOS tubes of the IGBT can be selected to be combined in pairs at each time of tube opening, so that the bridge arms of the IGBT can generate heat more uniformly in the heating process, and the service life of the IGBT is not influenced.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (2)

1. A self-heating system of a vehicle-mounted battery pack of an electric automobile is characterized by comprising a battery pack, an inverter and a motor, wherein the battery pack comprises a battery pack and an internal resistance, the positive electrode of the battery pack is connected with one end of the internal resistance,
the inverter comprises an energy storage capacitor, a first MOS tube, a second MOS tube, a third MOS tube, a fourth MOS tube, a fifth MOS tube and a sixth MOS tube, the other end of the internal resistance is connected with one end of the energy storage capacitor, the other end of the internal resistance is also connected with drain electrodes of the first MOS tube, the third MOS tube and the fifth MOS tube, the other end of the energy storage capacitor and source electrodes of the second MOS tube, the fourth MOS tube and the sixth MOS tube are connected with a negative electrode of the battery pack, the source electrode of the first MOS tube is connected with a drain electrode of the second MOS tube, the source electrode of the third MOS tube is connected with a drain electrode of the fourth MOS tube, the source electrode of the fifth MOS tube is connected with a drain electrode of the sixth MOS tube, the motor comprises a first inductor, a second inductor and a third inductor, the source electrode of the first MOS tube and the drain electrode of the second MOS tube are connected with one end of the first inductor, the source electrode of the third MOS tube and the drain electrode of the fourth MOS tube are connected with one end of the second inductor, and the source electrode of the fifth MOS tube and the drain electrode of the sixth MOS tube are connected with one end of the third inductor.
2. The self-heating system of the vehicle-mounted battery pack of the electric vehicle as claimed in claim 1, wherein a parasitic diode is respectively arranged between the source electrode and the drain electrode of the first MOS transistor, the second MOS transistor, the third MOS transistor, the fourth MOS transistor, the fifth MOS transistor and the sixth MOS transistor.
CN201910842997.8A 2019-09-06 2019-09-06 Self-heating system for vehicle-mounted battery pack of electric vehicle Pending CN110600833A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910842997.8A CN110600833A (en) 2019-09-06 2019-09-06 Self-heating system for vehicle-mounted battery pack of electric vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910842997.8A CN110600833A (en) 2019-09-06 2019-09-06 Self-heating system for vehicle-mounted battery pack of electric vehicle

Publications (1)

Publication Number Publication Date
CN110600833A true CN110600833A (en) 2019-12-20

Family

ID=68858063

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910842997.8A Pending CN110600833A (en) 2019-09-06 2019-09-06 Self-heating system for vehicle-mounted battery pack of electric vehicle

Country Status (1)

Country Link
CN (1) CN110600833A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020135733A1 (en) * 2018-12-29 2020-07-02 宁德时代新能源科技股份有限公司 Battery heating system and control method therefor
CN111660875A (en) * 2020-06-04 2020-09-15 比亚迪股份有限公司 Vehicle, energy conversion device, and control method therefor
CN112216908A (en) * 2020-11-13 2021-01-12 东风柳州汽车有限公司 Self-heating method and system for lithium ion battery pack
CN113119801A (en) * 2019-12-31 2021-07-16 比亚迪股份有限公司 Vehicle, energy conversion device, and control method therefor
CN113363621A (en) * 2021-06-03 2021-09-07 大连理工大学 Electric automobile cold start system based on eddy current heating
CN113844334A (en) * 2020-06-28 2021-12-28 比亚迪股份有限公司 Vehicle, energy conversion device, and control method therefor

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060290325A1 (en) * 2005-06-13 2006-12-28 Ashtiani Cyrus N Heating of Batteries Using Reactive Power
CN201752075U (en) * 2010-03-11 2011-02-23 深圳市盛弘电气有限公司 Charge-discharge and energy storage circuit
CN102668229A (en) * 2010-07-29 2012-09-12 松下电器产业株式会社 Battery temperature elevating circuit and battery temperature elevating device
CN103560304A (en) * 2013-11-19 2014-02-05 东风汽车公司 Heating control method of power battery pack of electric vehicle
JP2014072955A (en) * 2012-09-28 2014-04-21 Toyota Industries Corp Battery temperature rise controller in electric vehicle
CN104201732A (en) * 2014-08-12 2014-12-10 华南理工大学 Bi-directional charging-discharging equalization circuit with series connection battery pack consisting of four battery modules
CN104249629A (en) * 2013-06-28 2014-12-31 比亚迪股份有限公司 Electric vehicle, power system of the same, and charging method of said power system
CN204289653U (en) * 2014-11-28 2015-04-22 富奥汽车零部件股份有限公司 A kind of heating of battery structure being built in motor driven systems
CN105932363A (en) * 2016-05-16 2016-09-07 北京理工大学 Power source system self-heating method
WO2017197629A1 (en) * 2016-05-19 2017-11-23 胡炎申 Current source inverter system and inverter device
CN107666028A (en) * 2017-08-16 2018-02-06 同济大学 A kind of lithium ion battery for electric vehicle low temperature exchanges heater
CN109412422A (en) * 2018-12-12 2019-03-01 上海伊控动力系统有限公司 A kind of high pressure power-supply circuit of wide scope input
CN210468040U (en) * 2019-09-06 2020-05-05 上海伊控动力系统有限公司 Self-heating system for vehicle-mounted battery pack of electric vehicle

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060290325A1 (en) * 2005-06-13 2006-12-28 Ashtiani Cyrus N Heating of Batteries Using Reactive Power
CN201752075U (en) * 2010-03-11 2011-02-23 深圳市盛弘电气有限公司 Charge-discharge and energy storage circuit
CN102668229A (en) * 2010-07-29 2012-09-12 松下电器产业株式会社 Battery temperature elevating circuit and battery temperature elevating device
JP2014072955A (en) * 2012-09-28 2014-04-21 Toyota Industries Corp Battery temperature rise controller in electric vehicle
CN104249629A (en) * 2013-06-28 2014-12-31 比亚迪股份有限公司 Electric vehicle, power system of the same, and charging method of said power system
CN103560304A (en) * 2013-11-19 2014-02-05 东风汽车公司 Heating control method of power battery pack of electric vehicle
CN104201732A (en) * 2014-08-12 2014-12-10 华南理工大学 Bi-directional charging-discharging equalization circuit with series connection battery pack consisting of four battery modules
CN204289653U (en) * 2014-11-28 2015-04-22 富奥汽车零部件股份有限公司 A kind of heating of battery structure being built in motor driven systems
CN105932363A (en) * 2016-05-16 2016-09-07 北京理工大学 Power source system self-heating method
WO2017197629A1 (en) * 2016-05-19 2017-11-23 胡炎申 Current source inverter system and inverter device
CN107666028A (en) * 2017-08-16 2018-02-06 同济大学 A kind of lithium ion battery for electric vehicle low temperature exchanges heater
CN109412422A (en) * 2018-12-12 2019-03-01 上海伊控动力系统有限公司 A kind of high pressure power-supply circuit of wide scope input
CN210468040U (en) * 2019-09-06 2020-05-05 上海伊控动力系统有限公司 Self-heating system for vehicle-mounted battery pack of electric vehicle

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020135733A1 (en) * 2018-12-29 2020-07-02 宁德时代新能源科技股份有限公司 Battery heating system and control method therefor
US10780795B2 (en) 2018-12-29 2020-09-22 Contemporary Amperex Technology Co., Limited Battery heating system and control method thereof
CN113119801A (en) * 2019-12-31 2021-07-16 比亚迪股份有限公司 Vehicle, energy conversion device, and control method therefor
CN113119801B (en) * 2019-12-31 2023-12-12 比亚迪股份有限公司 Vehicle, energy conversion device, and control method therefor
CN111660875A (en) * 2020-06-04 2020-09-15 比亚迪股份有限公司 Vehicle, energy conversion device, and control method therefor
CN111660875B (en) * 2020-06-04 2021-04-20 比亚迪股份有限公司 Vehicle, energy conversion device, and control method therefor
CN113844334A (en) * 2020-06-28 2021-12-28 比亚迪股份有限公司 Vehicle, energy conversion device, and control method therefor
CN113844334B (en) * 2020-06-28 2024-05-07 比亚迪股份有限公司 Vehicle, energy conversion device, and control method therefor
CN112216908A (en) * 2020-11-13 2021-01-12 东风柳州汽车有限公司 Self-heating method and system for lithium ion battery pack
CN113363621A (en) * 2021-06-03 2021-09-07 大连理工大学 Electric automobile cold start system based on eddy current heating

Similar Documents

Publication Publication Date Title
CN110600833A (en) Self-heating system for vehicle-mounted battery pack of electric vehicle
US11605967B2 (en) On-board charger
US10780795B2 (en) Battery heating system and control method thereof
CN210468040U (en) Self-heating system for vehicle-mounted battery pack of electric vehicle
US8891254B2 (en) Power converter and battery charger using the same
JP7390379B2 (en) battery heating system
US9356516B2 (en) Driving apparatus and electric power converter
US20140329113A1 (en) Electric Vehicle Running Control System
JP2010522528A (en) System and method for equalizing the state of charge of series connected cells
US20240258591A1 (en) Battery system and power supply system
KR20120014082A (en) Secondary battery temperature-increasing control apparatus and vehicle including the same, and secondary battery temperature-increasing control method
KR20150048875A (en) Topology and control strategy for hybrid storage systems
US20220348094A1 (en) Energy conversion apparatus and vehicle
CN104272571A (en) Power conversion device
EP2950438B1 (en) Five level inverter
CN107994781B (en) A kind of converter plant and its control method
CN110828918A (en) Control system and control method for automobile power battery
CN113752911B (en) Energy processing device and method and vehicle
US20220173652A1 (en) Power conversion system and virtual dc voltage generator circuit
JP2019129555A (en) Dc/dc converter, power supply system, and charging/discharging method of secondary battery
US12040618B2 (en) Power conversion system including a second circuit being configured to control a current or power such that the current or the power is synchronized with power ripples caused by the AC power supply or the AC load
US9722493B1 (en) Power converter for ground-referenced system and floating system
CN111740584A (en) Single-phase staggered and three-phase Vienna topology compatible input PFC device
CN116647109A (en) Vehicle-mounted charger control method and vehicle
CN207819499U (en) It is main passively to combine buck battery equalizing circuit

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20220303

Address after: No. 1088, Xinxing Third Road, Pinghu Economic Development Zone, Jiaxing City, Zhejiang Province, 314201

Applicant after: ZHEJIANG YIKONG POWER SYSTEM Co.,Ltd.

Address before: 201804 Room 201, unit 3, building 5, Lane 56, Antuo Road, Anting Town, Jiading District, Shanghai

Applicant before: SHANGHAI YIKONG POWER SYSTEM Co.,Ltd.