CN108718100A - A kind of centralization quick-charging circuit and system - Google Patents

A kind of centralization quick-charging circuit and system Download PDF

Info

Publication number
CN108718100A
CN108718100A CN201711182071.8A CN201711182071A CN108718100A CN 108718100 A CN108718100 A CN 108718100A CN 201711182071 A CN201711182071 A CN 201711182071A CN 108718100 A CN108718100 A CN 108718100A
Authority
CN
China
Prior art keywords
quick
series
connection
charging circuit
centralization
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
CN201711182071.8A
Other languages
Chinese (zh)
Inventor
雷宪章
兰天
尹航
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.)
State Grid Corp of China SGCC
European Institute For Global Energy Internet
Original Assignee
State Grid Corp of China SGCC
European Institute For Global Energy Internet
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 State Grid Corp of China SGCC, European Institute For Global Energy Internet filed Critical State Grid Corp of China SGCC
Priority to CN201711182071.8A priority Critical patent/CN108718100A/en
Publication of CN108718100A publication Critical patent/CN108718100A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0013Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • H02J7/0024Parallel/serial switching of connection of batteries to charge or load circuit
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/20Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by converters located in the vehicle
    • 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
    • Y02T10/7072Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • 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
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies relating to charging of electric vehicles
    • Y02T90/14Plug-in electric vehicles

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The present invention provides a kind of centralized quick-charging circuits and system, the centralization quick-charging circuit to include:Power module, high frequency transformer, the first AC DC converting unit, connection in series-parallel control unit, wherein the input terminal of power module is connect with input power, and the output of power module is terminated at the primary side of high frequency transformer;The secondary side of high frequency transformer is connected to the input terminal of the first AC DC converting unit;The output end of DC conversion unit is connect with connection in series-parallel control unit, and connection in series-parallel control unit is used to control the connection relation of the first AC DC converting unit.Centralized quick-charging circuit designed by the present invention realizes the exchange of power energy between isolating transformer secondary side by the setting of connection in series-parallel control unit;And by the charging current and charging voltage for adjusting output, the flexibility of whole system is improved, to make system be expanded as the super quick charging system of high voltage, high current by common DC charging system.

Description

A kind of centralization quick-charging circuit and system
Technical field
It charges field the present invention relates to electric vehicle, and in particular to a kind of centralization quick-charging circuit and system.
Background technology
With the fast development of electric vehicle, quick charge demand becomes more, and development fast-speed direct current charging technique is electronic vapour The key technology of vehicle charging technique.Direct current quick charge, charge power is big, and the charging time is short, saves user time, but simultaneously one As direct-current charging post it is more of high cost than alternating-current charging pile, control is handed over complicated.
Direct current quick charging system at present, major defect are that hardware cost is higher, cannot achieve isolating transformer secondary side Between power energy exchange;And existing charging pile is not expanded space, once pile body design is completed, maximum power is just really Fixed, if it is desired to it is higher power grade to expand, such as super fast charge then needs Overall Reconstruction or redesign, DC charging system The flexibility of system is poor.
Invention content
The technical problem to be solved in the present invention is to overcome existing direct current quick charging system, cannot achieve isolating transformer The exchange of power energy between secondary side;And the flexibility of existing DC charging system is poor, what charge power can not be adjusted Problem.
For this purpose, the present invention provides a kind of centralized quick-charging circuit, including:Power module, high frequency transformer, first are handed over Flow DC conversion unit, connection in series-parallel control unit, wherein the input terminal of the power module is connect with input power, the work( The output of rate module is terminated at the primary side of the high frequency transformer;The secondary side of the high frequency transformer is connected to described first and hands over Flow the input terminal of DC conversion unit;The output end of the DC conversion unit and the input terminal of the connection in series-parallel control unit connect It connects, the output end of the connection in series-parallel control unit is connect with distributed charging pile terminal, and the connection in series-parallel control unit is for controlling Make the connection relation of the first AC DC converting unit.
Optionally, the power module includes:Second AC DC converting unit is used for the exchange of the input power Electricity is converted to direct current signal;DC communication converting unit is converted to for receiving the direct current signal, and by the direct current signal High frequency ac signal is sent to the primary side of the high frequency transformer.
Optionally, the DC communication converting unit includes one or more direct-current-alternating-current converters.
Optionally, the first AC DC converting unit includes one or more AC-DC converters.
Optionally, when the direct-current-alternating-current converter is multiple, the direct-current-alternating-current converter and the AC DC Converter is corresponded by the high frequency transformer, is connected to the primary side and secondary side of the high frequency voltage transformation unit.
Optionally, the connection in series-parallel control unit is specifically used for:Control the output end of multiple AC-DC converters It is connected in parallel.
Optionally, when the output end of the n AC-DC converters is connected in parallel, the n-1 AC DCs become First output end of parallel operation is connect with the first output end of the 1st AC-DC converter, the n-1 AC DCs become The second output terminal of parallel operation is connect with the second output terminal of the 1st AC-DC converter.
Optionally, the connection in series-parallel control unit is specifically used for:Control the output end of multiple AC-DC converters It is connected in series with.
Optionally, when the output end of the n AC-DC converters is connected in series with, the 1st AC DC becomes It is whole that the second output terminal of first output end of parallel operation and n-th of AC-DC converter is connected to the distributed charging pile It is first defeated to be connected to the adjacent AC-DC converter for end, the second output terminals of remaining n-2 AC-DC converters Outlet.
Optionally, the connection in series-parallel control unit includes multiple control switches.
For this purpose, the present invention also provides a kind of centralized quick charging systems, including:Distributed charging pile terminal and described Centralized quick-charging circuit, wherein the input terminal of the centralization quick-charging circuit is connect with input power, the concentration The output end of formula quick-charging circuit is connect with the distributed charging pile terminal.
Technical solution of the present invention has the following advantages that:
By the setting of connection in series-parallel control unit, the exchange of power energy between isolating transformer secondary side is realized;And And charging current and charging voltage by adjusting output, the flexibility of whole system is improved, to make system by common DC charging system is expanded as the super quick charging system of high voltage, high current.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram of centralization quick-charging circuit of the embodiment of the present invention;
Fig. 2 is the structural schematic diagram of power module of the embodiment of the present invention;
Fig. 3 is another structural schematic diagram of power module of the embodiment of the present invention;
Fig. 4 is another structural schematic diagram of centralization quick-charging circuit of the embodiment of the present invention;
Fig. 5 is another structural schematic diagram of centralization quick-charging circuit of the embodiment of the present invention;
Fig. 6 is the structural schematic diagram of centralization quick charging system of the embodiment of the present invention;
Fig. 7 is the structural schematic diagram of distributed charging pile terminal of the embodiment of the present invention.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " first ", " second " are used for description purposes only, and cannot It is interpreted as indicating or implying relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " connected " " connects Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected;It can be machine Tool connects, and can also be electrical connection;It can be directly connected, can also can also be two indirectly connected through an intermediary Connection inside element can be wirelessly connected, can also be wired connection.For the ordinary skill in the art, The concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
As long as in addition, technical characteristic involved in invention described below different embodiments non-structure each other It can be combined with each other at conflict.
Embodiment 1
The embodiment of the present invention provides a kind of electric vehicle DC charging circuit, as shown in Figure 1, including:Power module 11 is used In the alternating current of input power 3 is converted to high-frequency ac electric signal;High frequency transformer 12, for receiving high-frequency ac telecommunications Number, and high-frequency ac electric signal is physically separated;First AC DC converting unit 13, after receiving physical isolation High-frequency ac electric signal, and the high-frequency ac electric signal after physical isolation is converted into output DC signal;Connection in series-parallel controls Unit 15, the connection in series-parallel control unit 15 are connect with the output end of the first AC DC converting unit 13, are handed over for controlling first Flow the connection relation of multiple AC-DC converters in DC conversion unit 13.
In a preferred embodiment, as shown in Figures 2 and 3, above-mentioned power module 11 includes:The conversion of second AC DC is single Member 111, for the alternating current of input power 3 to be converted to direct current signal;DC communication converting unit 112, for receiving direct current Signal, and direct current signal is converted into the primary side that high frequency ac signal is sent to high frequency transformer 12.
Specifically, in one embodiment, as shown in Figures 2 and 3, above-mentioned DC communication converting unit 112 include one or Multiple direct-current-alternating-current converters.
Specifically, in one embodiment, as shown in Figures 2 and 3, above-mentioned first AC DC converting unit 13 includes one Or multiple AC-DC converters.
Specifically, as shown in figure 3, when direct-current-alternating-current converter is multiple, direct-current-alternating-current converter becomes with AC DC Parallel operation is corresponded by high frequency transformer 12, is connected to the primary side and secondary side of high frequency transformer.
Specifically, in one embodiment, as shown in figure 4, above-mentioned connection in series-parallel control unit 15 is specifically used for:Control multiple friendships The output end of stream DC converter is connected in parallel.When the output end of n AC-DC converter is connected in parallel, n-1 exchange First output end of DC converter connect with the first output end of the 1st AC-DC converter, n-1 AC/DC transfer The second output terminal of device is connect with the second output terminal of the 1st AC-DC converter.
Specifically, in one embodiment, as shown in figure 5, above-mentioned connection in series-parallel control unit 15 is specifically used for:Control multiple friendships The output end of stream DC converter is connected in series with.When the output end of n AC-DC converter is connected in series with, the 1st exchange First output end of DC converter and the second output terminal of n-th of AC-DC converter are connected to distributed charging pile terminal 2, The second output terminal of remaining n-2 AC-DC converter is connected to the first output end of adjacent AC-DC converter.
Specifically, in one embodiment, as shown in Figures 4 and 5, above-mentioned connection in series-parallel control unit 15 includes that multiple controls are opened It closes, the connection in series-parallel of multiple AC-DC converters is realized by controlling switch.
It should be noted that above-described embodiment is illustrated for accessing load and being batteries of electric automobile, but in reality Access load can also be other types in the application of border, such as:Battery of electric bicycle etc., the present invention is not limited thereto.
By the setting of above-mentioned connection in series-parallel control unit 15, the friendship of power energy between isolating transformer secondary side is realized It changes;And by regulating system export charging current and charging voltage, improve the flexibility of whole system, to make system by Common DC charging system is expanded as the super quick charging system of high voltage, high current.
Embodiment 2
The embodiment of the present invention provides a kind of electric vehicle DC charging system, as shown in fig. 6, including:Centralization is quickly filled Circuit 1 and distributed charging pile terminal 2, wherein centralized quick-charging circuit 1 is set in substation, and input power 3 connects In the input terminal of centralized quick-charging circuit 1, output end and the distributed charging pile terminal 2 of centralized quick-charging circuit 1 It is connected.In practical applications, input power 3 can be mains supply or three phase mains etc., and the present invention is not limited thereto.
In a preferred embodiment, which includes:Power module 11 is used for the friendship of input power 3 Galvanic electricity is converted to high-frequency ac electric signal;High frequency transformer 12, for receiving high-frequency ac electric signal, and to high-frequency ac telecommunications It number is physically separated;First AC DC converting unit 13, for receiving the high-frequency ac electric signal after being physically isolated, and will High-frequency ac electric signal after physical isolation is converted to output DC signal, connection in series-parallel control unit 15, connection in series-parallel control Unit 15 is connect with the output end of the first AC DC converting unit 13, more in the first AC DC converting unit 13 for controlling The connection relation of a AC-DC converter.The power module 11, high frequency transformer 12, the first AC DC converting unit 13 and The concrete structure and function of connection in series-parallel control unit 15 please refer to described in above-described embodiment 1.
In a preferred embodiment, as shown in fig. 7, above-mentioned distributed charging pile terminal 2 includes:Man-machine interaction unit 21, Operational order for receiving user;Metering units 22, for calculating charging expense according to operational order;Charge pipette tips 23, uses In for charging batteries of electric automobile;Control unit 24 is filled for controlling charging pipette tips according to operational order for batteries of electric automobile Electricity.
In a preferred embodiment, the distribution that the above-mentioned output end with centralized quick-charging circuit 1 is connect as shown in Figure 7 One or more can be arranged in formula charging pile terminal 2.
It should be noted that above-described embodiment is illustrated for accessing load and being batteries of electric automobile, but in reality Access load can also be other types in the application of border, such as:Battery of electric bicycle etc., the present invention is not limited thereto.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or It changes still within the protection scope of the invention.

Claims (10)

1. a kind of centralization quick-charging circuit, which is characterized in that including:Power module (11), high frequency transformer (12), first AC DC converting unit (13), connection in series-parallel control unit (15), wherein
The input terminal of the power module (11) is connect with input power (3), and the output of the power module (11) is terminated at institute State the primary side of high frequency transformer (12);
The secondary side of the high frequency transformer (12) is connected to the input terminal of the first AC DC converting unit (13);
The output end of the DC conversion unit is connect with connection in series-parallel control unit (15) input terminal;The connection in series-parallel control The output end of unit (15) is connect with distributed charging pile terminal (2);The connection in series-parallel control unit (15) is described for controlling The connection relation of first AC DC converting unit (13).
2. centralization quick-charging circuit according to claim 1, which is characterized in that the power module (11) includes:
Second AC DC converting unit (111), for the alternating current of the input power (3) to be converted to direct current signal;
DC communication converting unit (112) is converted to high-frequency ac for receiving the direct current signal, and by the direct current signal Signal is sent to the primary side of the high frequency transformer (12).
3. centralization quick-charging circuit according to claim 2, which is characterized in that the DC communication converting unit (112) include one or more direct-current-alternating-current converters;The first AC DC converting unit (13) includes one or more The AC-DC converter.
4. centralization quick-charging circuit according to claim 3, which is characterized in that when the direct-current-alternating-current converter is When multiple, the direct-current-alternating-current converter is corresponded with the AC-DC converter by the high frequency transformer (12), It is connected to the primary side and secondary side of the high frequency voltage transformation unit.
5. centralization quick-charging circuit according to claim 3, which is characterized in that the connection in series-parallel control unit (15) It is specifically used for:
The output end for controlling multiple AC-DC converters is connected in parallel.
6. centralization quick-charging circuit according to claim 5, which is characterized in that when the n AC/DC transfers When the output end of device is connected in parallel, the first output end of a AC-DC converters of n-1 and the 1st AC DC become The first output end connection of parallel operation, second output terminal and the 1st AC DC change of a AC-DC converters of n-1 The second output terminal of parallel operation connects.
7. centralization quick-charging circuit according to claim 1, which is characterized in that the connection in series-parallel control unit (15) It is specifically used for:
The output end for controlling multiple AC-DC converters is connected in series with.
8. centralization quick-charging circuit according to claim 7, which is characterized in that when the n AC/DC transfers When the output end of device is connected in series with, the first output end of the 1st AC-DC converter and n-th of AC DC become The second output terminal of parallel operation is connected to the distributed charging pile terminal (2), and the second of remaining n-2 AC-DC converters Output is terminated at the first output end of the adjacent AC-DC converter.
9. the centralized quick-charging circuit according to claim 6 or 8, which is characterized in that the connection in series-parallel control unit (15) include multiple control switches.
10. a kind of centralization quick charging system, which is characterized in that including:Distributed charging pile terminal (2) and such as claim Centralized quick-charging circuit (1) in 1-9 described in any claim, wherein the centralization quick-charging circuit (1) Input terminal is connect with input power (3), output end and the distributed charging pile of the centralization quick-charging circuit (1) Terminal (2) connects.
CN201711182071.8A 2017-11-23 2017-11-23 A kind of centralization quick-charging circuit and system Pending CN108718100A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711182071.8A CN108718100A (en) 2017-11-23 2017-11-23 A kind of centralization quick-charging circuit and system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711182071.8A CN108718100A (en) 2017-11-23 2017-11-23 A kind of centralization quick-charging circuit and system

Publications (1)

Publication Number Publication Date
CN108718100A true CN108718100A (en) 2018-10-30

Family

ID=63898658

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711182071.8A Pending CN108718100A (en) 2017-11-23 2017-11-23 A kind of centralization quick-charging circuit and system

Country Status (1)

Country Link
CN (1) CN108718100A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109698543A (en) * 2019-01-29 2019-04-30 深圳市傲基电子商务股份有限公司 A kind of intelligent charger and charge control method
CN110138239A (en) * 2019-05-20 2019-08-16 深圳市优优绿能电气有限公司 A kind of wide scope invariable power converter circuit

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009028973A1 (en) * 2009-08-28 2011-03-03 Robert Bosch Gmbh DC / DC converter circuit and battery system
CN105119334A (en) * 2015-08-31 2015-12-02 深圳驿普乐氏科技有限公司 Voltage transformation circuit with wide voltage output range and DC charging pile
CN106828145A (en) * 2016-12-26 2017-06-13 浙江万马新能源有限公司 Fully apply the off-board charger flexibility charging optimization method of electric automobile

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009028973A1 (en) * 2009-08-28 2011-03-03 Robert Bosch Gmbh DC / DC converter circuit and battery system
CN105119334A (en) * 2015-08-31 2015-12-02 深圳驿普乐氏科技有限公司 Voltage transformation circuit with wide voltage output range and DC charging pile
CN106828145A (en) * 2016-12-26 2017-06-13 浙江万马新能源有限公司 Fully apply the off-board charger flexibility charging optimization method of electric automobile

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109698543A (en) * 2019-01-29 2019-04-30 深圳市傲基电子商务股份有限公司 A kind of intelligent charger and charge control method
CN110138239A (en) * 2019-05-20 2019-08-16 深圳市优优绿能电气有限公司 A kind of wide scope invariable power converter circuit

Similar Documents

Publication Publication Date Title
US11072253B2 (en) Power circuit for power supply in an electrically driven vehicle and stationary energy supply system
CN102842731B (en) Battery capacity grading and forming system
US20120280655A1 (en) Charging system for electric vehicles
CN103023106B (en) One-machine-and-multiple-charging electrombile charging system and method
CN105119334A (en) Voltage transformation circuit with wide voltage output range and DC charging pile
CN107303825A (en) For the charging system of electric vehicle and for the method to electric vehicle charging
KR101729483B1 (en) A variable capacity charging system for vehicles
CN101931252A (en) Charging system for electric automobile
CN103036280A (en) Battery charger capable of charging multiple electric vehicles and charging method thereof
US10284115B2 (en) Inverter system
CN107248700B (en) Box-type substation and micro-grid system
CN204103532U (en) A kind of two-way charger
CN103023105B (en) Electric motor car charging system with standby switching and charging method
CN103326583A (en) Power converter and charging and discharging system thereof
CN106385193B (en) The changeable low-voltage direct side topology of electric power electric transformer alternating current-direct current capacity
CN108377007A (en) A kind of electric vehicle DC charging system
CN108718100A (en) A kind of centralization quick-charging circuit and system
DE102010048469A1 (en) Energy management system, method for distributing energy in an energy management system, terminal for an energy management system and central device for an energy management system
CN204030698U (en) A kind of concentrated parking lot chamber type charging station and system of many charging inlets compatibility
CN104852444A (en) DC charging device for electric automobiles
CN209055600U (en) Charging pile energy-saving aging device and charging system
CN210212079U (en) Vehicle-mounted charging system and vehicle-mounted charger
CN219227263U (en) Charging architecture and charging system
CN208401607U (en) Electric car charging and driving integrated system based on the double converters of SiC three-phase
CN104052091A (en) Novel battery management architecture capable of charging in subareas and discharging in series areas

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
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20181030