CN202334365U - Energy storage charging power supply device connected to electric automobile and smart grid - Google Patents

Energy storage charging power supply device connected to electric automobile and smart grid Download PDF

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Publication number
CN202334365U
CN202334365U CN2011204668339U CN201120466833U CN202334365U CN 202334365 U CN202334365 U CN 202334365U CN 2011204668339 U CN2011204668339 U CN 2011204668339U CN 201120466833 U CN201120466833 U CN 201120466833U CN 202334365 U CN202334365 U CN 202334365U
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China
Prior art keywords
phase
connects
super capacitor
filter circuit
inductance
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Expired - Fee Related
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CN2011204668339U
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Chinese (zh)
Inventor
李志忠
周映虹
李优新
刘方铭
姚震
黄熙
黎勉
粱秀玲
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Guangdong University of Technology
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Guangdong University of Technology
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    • 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
    • Y02T90/16Information or communication technologies improving the operation of electric vehicles
    • Y02T90/167Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
    • 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S30/00Systems supporting specific end-user applications in the sector of transportation
    • Y04S30/10Systems supporting the interoperability of electric or hybrid vehicles
    • Y04S30/12Remote or cooperative charging

Abstract

The utility model relates to an energy storage charging power supply device connected to an electric automobile and a smart grid. The energy storage charging power supply device comprises a grid end filter circuit, a static switch, an active power factor correction circuit, an inverter circuit, a bus super capacitor, a bidirectional DC/DC (Direct Current) convertor and a battery end filter circuit, wherein the static switch is electrically connected with a grid three-phase AC (Alternating Current) through the grid end filter circuit; the input end of the active power factor correction circuit is connected with the static switch; the output end of the active power factor correction circuit is connected with the bus super capacitor; the bus super capacitor is connected with the static switch and another bus super capacitor through the inverter circuit; the bus super capacitor is connected with the battery end filter circuit through the bidirectional DC/DC convertor; the battery end filter circuit is connected with a power battery; and the static switch, the active power factor correction circuit and the inverter circuit are used for controlling the transmission direction of energy in the front of the grid and the power battery. The energy storage charging power supply device disclosed by the utility model is capable of resolving the rapid charging problem of high-capacity batteries and has the advantages of being high in charging efficiency and convenient for use.

Description

A kind of energy storage charge power supply device that connects electric automobile and intelligent grid
Technical field
The utility model is a kind of energy storage charge power supply device that connects electric automobile and intelligent grid, belongs to the innovative technology of the energy storage charge power supply device that connects electric automobile and intelligent grid.
Background technology
At present, power battery charging adopts the method for constant current charge, constant voltage charge usually; During constant current charge, the ability that can accept electric current owing to battery is along with charging process descends, and charging later stage electric current is mainly used in brine electrolysis, bubbing and can not be converted into chemical energy effectively, and charge efficiency descends; During constant voltage charge,, cause charging current excessive, be prone to problem such as battery electrode column bending and influence battery life because cell voltage is uncertain.The mode of constant current, the charging of constant voltage segmented is adopted in practical application more, requires the long charging interval.
Adopt in the charge power supply of industrial-frequency alternating current as input, often power factor is low, and the current distortion rate is big, and pulse current charge is more intense to the Harmonic Interference that electrical network produces, and high-power charge power supply is especially true; In addition, the DC converting module efficiency of output also becomes influences the bottleneck that charge power supply develops toward high-power quick charge direction.
The development need that be to adapt to intelligent grid, electrical network energy have when more than needed, are charged to electric energy in the electrokinetic cell fast through charging device; When needing electricity consumption in the electrical network, can export the energy of electrokinetic cell to electrical network through inverter.
The certain methods of positive negative pulse stuffing quick charge has appearred in the prior art electrokinetic cell is carried out; And also there is the charge power supply of some greater efficiency to occur; For example Chinese patent 200710020300; 200710022012.4 201010202827.2 grades have all been mentioned the technical scheme of battery being carried out quick charge, Chinese patent 200710000451.5; 200510091141.x mentioned the technical scheme that improves power factor and efficient, but the present energy storage charge power supply device scheme that technology such as High Power Factor high efficiency rectification, quick charge and inversion are combined do not found as yet.
Summary of the invention
The purpose of the utility model is to consider the problems referred to above and a kind of high capacity cell quick charge problem that can solve, the energy storage charge power supply device of connection electric automobile that charge efficiency is high and intelligent grid is provided.The utility model is reasonable in design, the convenient use.
The technical scheme of the utility model is: the energy storage charge power supply device of connection electric automobile of the utility model and intelligent grid; Comprise electrical network end filter circuit, static switch, APFC, inverter circuit, bus super capacitor, two-way DC/DC converter and battery-end filter circuit; Wherein static switch is electrically connected with the electrical network three-phase alternating current through electrical network end filter circuit; The input of APFC is connected with static switch; The output of APFC is connected with the bus super capacitor; The bus super capacitor is connected with static switch through inverter circuit and is connected with the bus super capacitor, and the bus super capacitor is connected with the battery-end filter circuit through two-way DC/DC converter, and the battery-end filter circuit is connected with electrokinetic cell; The transmission direction before electrical network and electrokinetic cell of above-mentioned static switch, APFC and inverter circuit control energy.
Above-mentioned static switch comprises thyristor Q1~Q6, and wherein Q1 and Q6 interconnect, and is connected to the output of the inductance L 1 in the electrical network end filter circuit; Wherein Q2 and Q5 interconnect, and are connected to the output of inductance L 2 in the electrical network end filter circuit, and wherein Q3 and Q4 interconnect; And be connected to the output of inductance L 3 in the electrical network end filter circuit, the thyristor Q1 in the static switch, Q2, Q3 connect electrical network end filter circuit and inverter circuit three-phase output Ro mutually, the part of So phase, To phase, Q1 connection Ro phase; Q2 connects the So phase; Q3 connects the To phase, the part of the Q4 in the static switch, Q5, Q6 connection electrical network end filter circuit and APFC three-phase input Ri, Si, Ti, and Q4 connects the Ti phase; Q5 connects the Si phase, and Q6 connects the Ri phase.
Above-mentioned bus super capacitor comprises super capacitor C13 and C14; C13, C14 series connection; The anodal Pi of super capacitor C13 connects D1, D2, the D3 of APFC; Connect the positive input terminal of two-way DC/DC converter and the positive input terminal of inverter circuit simultaneously; The negative pole Ni of super capacitor C14 connects D4, D5, the D6 of APFC, connects the negative input end of two-way DC/DC converter and the negative input end of inverter circuit simultaneously, and mid point M connects three bidirectional switch common ports of APFC.
Above-mentioned two-way DC/DC converter (6) comprises power switch pipe Q15~Q22, inductance L 7~L10, the capacitor C 15 with inverse parallel diode; Said two-way DC/DC converter using four phase bridge circuits, wherein Q15, Q16 constitute first phase, and mid point connects inductance L 10; Q17, Q18 constitute second phase, and mid point connects inductance L 9, and Q19, Q20 constitute third phase; Mid point connects inductance L 8, and Q21, Q22 constitute first phase, and mid point connects inductance L 7; The positive input terminal of above-mentioned four phase bridge circuits connects mutually, and is connected to the positive pole of bus super capacitor, and the negative input end of four phase bridge circuits connects mutually; And being connected to the negative pole of bus super capacitor and the negative pole of capacitor C 15, the other end of inductance L 7~L10 connects mutually, and is connected to the positive pole of capacitor C 15.
Inductance L 7~L10 that above-mentioned two-way DC/DC converter is adopted is a coupling inductance, wherein L7 and L8 coupling, and on same magnetic core, L9 and L10 coupling, on another magnetic core, the other end end of L7~L10 interconnects.
The utility model is owing to adopt the structure that APFC, two-way DC/DC converter and inverter circuit is linked together through static switch and bus super capacitor; During this power supply forward work the electrical network electric energy is charged to electrokinetic cell, through inverter circuit the electrokinetic cell energy is fed back in the electrical network to other power devices during reverse operation.In the short period of time the electrical network energy is charged to electrokinetic cell, and in charging process, has very high power factor, meet requirement quick, green charge power supply; Otherwise the energy of battery fed back to after through inversion supply the local device electricity consumption in little electrical network, meet the needs of intelligent grid development.
The utility model compared with prior art has following advantage:
1) the utility model has very high power factor based on the high-power APFC of three-phase, and Harmonic Interference is little.
2) the utility model adopts soft switch two-way DC/DC converter, has very high efficient; The converter using coupling inductance, current ripples is minimum, under the battery-end filter circuit volume, has high power density.
3) the utility model carries out heavy-current discharge in short-term according to the pointed battery charging process interval of Maas law to battery; Can make the battery depolarising, improve the charging current receptance, when the utility model is in forward work; For improving power battery charging electric current receptance; Make it regularly be in the reverse operation state, battery is carried out heavy-current discharge in short-term, thereby can solve the problem of high capacity cell quick charge.
4) the utility model is connected to level and electrokinetic cell prime behind the super capacitor with two-way DC/DC converter; Work to regulate charging voltage during forward when work battery charge; During reverse operation cell voltage is promoted to busbar voltage and carries out inversion again, have very high efficient.
The utility model is that a kind of design is ingenious, function admirable, the energy storage charge power supply device of convenient and practical connection electric automobile and intelligent grid.
Description of drawings
Fig. 1 is the overall system diagram of the utility model;
Fig. 2 is the electrical network end filter circuit of the utility model and the schematic diagram of static switch;
Fig. 3 is the APFC and the bus super capacitor schematic diagram of the utility model;
Fig. 4 is the schematic diagram of two-way DC/DC converter of the utility model and battery-end filter circuit;
Fig. 5 is the structure principle chart of the coupling inductance of the two-way DC/DC converter using of the utility model;
Fig. 6 is the schematic diagram of the utility model inverter circuit.
Embodiment
Below through concrete embodiment and combine accompanying drawing that the utility model is described in further detail.
As shown in Figure 1; The energy storage charge power supply device of connection electric automobile of the utility model and intelligent grid; Comprise electrical network end filter circuit 1, static switch 2, APFC 3, inverter circuit 4, bus super capacitor 5, two-way DC/DC converter 6 and battery-end filter circuit 7; Wherein static switch 2 is electrically connected with the electrical network three-phase alternating current through electrical network end filter circuit 1; The input of APFC 3 is connected with static switch 2, and the output of APFC 3 is connected with bus super capacitor 5, and bus super capacitor 5 is connected with static switch 2 through inverter circuit 4 and is connected with bus super capacitor 5; Bus super capacitor 5 is connected with battery-end filter circuit 7 through two-way DC/DC converter 6, and battery-end filter circuit 7 is connected with electrokinetic cell; The transmission direction before electrical network and electrokinetic cell of above-mentioned static switch 2, APFC 3 and inverter circuit 4 control energy.
Shown in Figure 2 is the schematic diagram of the described electrical network end of the utility model embodiment filter circuit 1 and static switch 2; Described electrical network end filter circuit 1 comprises capacitor C 1~C12 and inductance L 1~L3; Wherein C1, C2, C6 respectively with the R of three-phase alternating-current supply mutually, S phase, T be connected; The other end is interconnected to the earth; C3, C4, C5 be respectively R with T mutually, R and S phase, the mutually alternate filter capacitor of S with T, L1, L2, L3 respectively with R mutually, S phase, T be connected, C7, C8, C10 connect L1 respectively and L2, L2 and L3, L1 and L3 output are formed alternate filter capacitor; C12, C11, C9 connect L1, L2, L3 output respectively, and C12, C11, the C9 other end are interconnected to the earth; Said static switch 2 comprises thyristor Q1~Q6, and wherein Q1 and Q6 interconnect, and is connected to inductance L 1 output; Wherein Q2 and Q5 interconnect, and are connected to inductance L 2 outputs, and wherein Q3 and Q4 interconnect; And be connected to inductance L 3 outputs, the thyristor Q1 in the static switch 2, Q2, Q3 connect electrical network end filter circuit 1 and inverter circuit 4 three-phases output Ro mutually, the part of So phase, To phase, Q1 connection Ro phase; Q2 connects the So phase; Q3 connects the To phase, the Q4 in the static switch 2, Q5, Q6 connect electrical network end filter circuit 1 and APFC 3 three-phases output Ri mutually, the part of Si phase, Ti phase, Q4 connection Ti phase; Q5 connects the Si phase, and Q6 connects the Ri phase.Forward when work Q4, Q5, Q6 are open-minded, and Q1, Q2, Q3 turn-off, and during reverse operation, Q1, Q2, Q3 are open-minded, and Q4, Q5, Q6 turn-off.
Shown in Figure 3 is the schematic diagram of described APFC 3 of the utility model embodiment and bus super capacitor 5; Described APFC 3 comprises capacitor and inductor L4~L5, diode D1~D18, power switch pipe Q7~Q9; Diode D7, D8, D9, D10 constitute Ri bidirectional switch mutually with Q7; D11, D12, D13, D14 constitute Si bidirectional switch mutually with Q2, and D15, D16, D17, D18 constitute Ti bidirectional switch mutually with Q3, and an end of bidirectional switch is connected with input inductance L4, L5, L6 respectively; The other end of bidirectional switch connects the mid point M of thyristor bus super capacitor 5 simultaneously; The C utmost point of switching device is connected to the positive pole of bus super capacitor 5 jointly respectively with after D1, D2, D3 are connected in above-mentioned three bidirectional switchs, and the E utmost point of switching device is with after D4, D5, D6 are connected respectively; Be connected to the positive pole of bus super capacitor 5 jointly, foregoing circuit constitutes three-phase tri-level three switch active circuit of power factor correction; Said bus super capacitor 5 comprises super capacitor C13 and C14; C13, C14 series connection; The anodal Pi of super capacitor C13 connects D1, D2, the D3 of APFC 3; Connect the positive input terminal of two-way DC/DC converter 6 and the positive input terminal of inverter circuit 4 simultaneously; The negative pole Ni of super capacitor C14 connects D4, D5, the D6 of APFC 3, connects the negative input end of two-way DC/DC converter 6 and the negative input end of inverter circuit 4 simultaneously, three bidirectional switch common ports of mid point M APFC 3.
Shown in Figure 4 is the schematic diagram of described two-way DC/DC converter 6 of the utility model embodiment and battery-end filter circuit 7, and described two-way DC/DC converter 6 comprises power switch pipe Q15~Q22, inductance L 7~L10, the capacitor C 15 with inverse parallel diode; Said two-way DC/DC converter 6 adopts four phase bridge circuits, and wherein Q15, Q16 constitute first phase, and mid point connects inductance L 10; Q17, Q18 constitute second phase, and mid point connects inductance L 9, and Q19, Q20 constitute third phase; Mid point connects inductance L 8, and Q21, Q22 constitute first phase, and mid point connects inductance L 7; The positive input terminal of above-mentioned four phase bridge circuits connects mutually, and is connected to the positive pole of bus super capacitor 5, and the negative input end of four phase bridge circuits connects mutually; And being connected to the negative pole of bus super capacitor 5 and the negative pole of capacitor C 15, the other end of inductance L 7~L10 connects mutually, and is connected to capacitor C 15 positive poles.Inductance L 7~L10 that said two-way DC/DC converter 6 is adopted is a coupling inductance, and its coupled structure sketch map is as shown in Figure 5, wherein L7 and L8 coupling; On same magnetic core; L9 and L10 coupling, on another magnetic core, the other end of L7~L10 interconnects.Said battery-end filter circuit 7 comprises capacitor C 16~C21, inductance L 11, L12; C16, C17, L11 and C19, C20, L12 interconnect and constitute the ∏ type filter circuit that connects between battery positive and negative electrode and the earth respectively, and wherein L11 and L12 are common mode inductance; C18, C21 are all parallelly connected with battery.
Shown in Figure 6 is the schematic diagram of the described inverter circuit 4 of the utility model embodiment, and described inverter circuit 4 comprises power switch pipe Q23~Q28, diode D19~D24, transformer T1; Q23~Q28, D19~D24 interconnect the formation three phase inverter bridge, and wherein D19 and Q23 inverse parallel constitutes the last brachium pontis of first phase, D22 and Q26 inverse parallel; Constitute the following brachium pontis of first phase, D20 and Q24 inverse parallel constitute the last brachium pontis of second phase; D23 and Q27 inverse parallel constitute the following brachium pontis of second phase, D21 and Q25 inverse parallel; Constitute the last brachium pontis of third phase, D24 and Q28 inverse parallel, the following brachium pontis of formation third phase; The positive pole of above-mentioned three phase inverter bridge positive input terminal connection bus super capacitor 5; The negative pole of three phase inverter bridge negative input end connection bus super capacitor 5; Mid point is connected to three taps of transformer T1 respectively; Winding of transformer adopts the triangle winding, and secondary winding adopts star connection, and C22, C23, C24 are respectively the filter capacitors that output Ro phase, So phase, To arrive neutral point N mutually; The Ro thyristor Q1 in the static switch 2 that is connected, the So thyristor Q2 in the static switch 2 that is connected, the To thyristor Q3 in the static switch 2 that is connected.
In the foregoing description of the utility model; Can make thyristor Q4, Q5, Q6 in the static switch 2; Keep Q1, Q2, Q3 to be in off state, and make the inverter circuit switching device keep off state, APFC 3 and two-way DC/DC converter 6 are controlled; Can make the energy forward flow, electrokinetic cell charged by electrical network; Can make thyristor Q1, Q2, Q3 in the static switch 2; Keep Q4, Q5, Q6 to be in off state; And make the switching device of APFC 3 keep off state; Above-mentioned inverter circuit 4 and two-way DC/DC converter 6 are controlled, can be made the energy reverse flow, electrical network is supplied power by electrokinetic cell.
The energy storage charge power supply device of the utility model; During forward work; It is input as the power frequency three-phase alternating current, to as if electrokinetic cell, three-phase alternating current becomes direct current after through electrical network end filter circuit 1, static switch 2 and APFC 3; Energy is stored in bus super capacitor 5, via two-way DC/DC converter 6 and battery-end filter circuit 7 energy is charged to electrokinetic cell again; During reverse operation; It is input as electrokinetic cell; To liking the power frequency three-phase alternating current; The electrokinetic cell energy is increased to busbar voltage with voltage and is stored in bus super capacitor 5 behind battery-end filter circuit 7 and two-way DC/DC converter 6, energy becomes three-phase alternating current behind inverter circuit 4, and behind static switch 2 and electrical network end filter circuit 1, sends in the power frequency three phase network.

Claims (5)

1. energy storage charge power supply device that connects electric automobile and intelligent grid; It is characterized in that comprising electrical network end filter circuit (1), static switch (2), APFC (3), inverter circuit (4), bus super capacitor (5), two-way DC/DC converter (6) and battery-end filter circuit (7); Wherein static switch (2) is electrically connected with the electrical network three-phase alternating current through electrical network end filter circuit (1); The input of APFC (3) is connected with static switch (2); The output of APFC (3) is connected with bus super capacitor (5); Bus super capacitor (5) is connected with static switch (2) through inverter circuit (4) and is connected with bus super capacitor (5); Bus super capacitor (5) is connected with battery-end filter circuit (7) through two-way DC/DC converter (6), and battery-end filter circuit (7) is connected with electrokinetic cell; The transmission direction before electrical network and electrokinetic cell of above-mentioned static switch (2), APFC (3) and inverter circuit (4) control energy.
2. the energy storage charge power supply device of connection electric automobile according to claim 1 and intelligent grid is characterized in that above-mentioned static switch (2) comprises thyristor Q1~Q6, and wherein Q1 and Q6 interconnect; And be connected to the output of the inductance L 1 in the electrical network end filter circuit (1), wherein Q2 and Q5 interconnect, and are connected to the output of inductance L 2 in the electrical network end filter circuit (1); Wherein Q3 and Q4 interconnect; And be connected to the output of inductance L 3 in the electrical network end filter circuit (1), the thyristor Q1 in the static switch (2), Q2, Q3 connect electrical network end filter circuit (1) and inverter circuit (4) three-phase output Ro mutually, the part of So phase, To phase, Q1 connection Ro phase; Q2 connects the So phase; Q3 connects the To phase, the part of the Q4 in the static switch (2), Q5, Q6 connection electrical network end filter circuit (1) and APFC (3) three-phase input Ri, Si, Ti, and Q4 connects the Ti phase; Q5 connects the Si phase, and Q6 connects the Ri phase.
3. the energy storage charge power supply device of connection electric automobile according to claim 1 and intelligent grid; It is characterized in that above-mentioned bus super capacitor (5) comprises super capacitor C13 and C14; C13, C14 series connection; The anodal Pi of super capacitor C13 connects D1, D2, the D3 of APFC (3); Connect the positive input terminal of two-way DC/DC converter (6) and the positive input terminal of inverter circuit (4) simultaneously; The negative pole Ni of super capacitor C14 connects D4, D5, the D6 of APFC (3), connects the negative input end of two-way DC/DC converter (6) and the negative input end of inverter circuit (4) simultaneously, and mid point M connects three bidirectional switch common ports of APFC (3).
4. the energy storage charge power supply device of connection electric automobile according to claim 1 and intelligent grid is characterized in that above-mentioned two-way DC/DC converter (6) comprises power switch pipe Q15~Q22, inductance L 7~L10, the capacitor C 15 with inverse parallel diode; Said two-way DC/DC converter (6) adopts four phase bridge circuits, and wherein Q15, Q16 constitute first phase, and mid point connects inductance L 10; Q17, Q18 constitute second phase, and mid point connects inductance L 9, and Q19, Q20 constitute third phase; Mid point connects inductance L 8, and Q21, Q22 constitute first phase, and mid point connects inductance L 7; The positive input terminal of above-mentioned four phase bridge circuits connects mutually, and is connected to the positive pole of bus super capacitor (5), and the negative input end of four phase bridge circuits connects mutually; And being connected to the negative pole of bus super capacitor (5) and the negative pole of capacitor C 15, the other end of inductance L 7~L10 connects mutually, and is connected to the positive pole of capacitor C 15.
5. the energy storage charge power supply device of connection electric automobile according to claim 4 and intelligent grid; It is characterized in that inductance L 7~L10 that above-mentioned two-way DC/DC converter (6) is adopted is a coupling inductance; Wherein L7 and L8 coupling, on same magnetic core, L9 and L10 coupling; On another magnetic core, the other end end of L7~L10 interconnects.
CN2011204668339U 2011-11-22 2011-11-22 Energy storage charging power supply device connected to electric automobile and smart grid Expired - Fee Related CN202334365U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102497127A (en) * 2011-11-22 2012-06-13 广东工业大学 Energy storage charging power supply device for connecting electric automobile with intelligent power grid
CN102780249A (en) * 2012-08-17 2012-11-14 天津清源电动车辆有限责任公司 Method for rapidly charging electric automobile by utilizing supercapacitor
CN105429311A (en) * 2016-01-05 2016-03-23 上海埃斯凯变压器有限公司 No-stopping charging system and no-stopping charging method
CN106427627A (en) * 2016-10-12 2017-02-22 武汉大学 Quick charging system used for power grid friendly type new energy automobile and charging method of quick charging system
CN111614257A (en) * 2020-05-23 2020-09-01 国网江苏省电力有限公司连云港供电分公司 High-efficiency bidirectional DC-DC converter under zero-voltage switching operation and design method thereof
CN116995714A (en) * 2023-09-28 2023-11-03 中宏科创新能源科技(浙江)有限公司 Energy storage converter and control method thereof

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102497127A (en) * 2011-11-22 2012-06-13 广东工业大学 Energy storage charging power supply device for connecting electric automobile with intelligent power grid
CN102497127B (en) * 2011-11-22 2015-02-11 广东工业大学 Energy storage charging power supply device for connecting electric automobile with intelligent power grid
CN102780249A (en) * 2012-08-17 2012-11-14 天津清源电动车辆有限责任公司 Method for rapidly charging electric automobile by utilizing supercapacitor
CN105429311A (en) * 2016-01-05 2016-03-23 上海埃斯凯变压器有限公司 No-stopping charging system and no-stopping charging method
CN106427627A (en) * 2016-10-12 2017-02-22 武汉大学 Quick charging system used for power grid friendly type new energy automobile and charging method of quick charging system
CN106427627B (en) * 2016-10-12 2019-01-29 武汉大学 A kind of power grid friendly new-energy automobile quick charging system and charging method
CN111614257A (en) * 2020-05-23 2020-09-01 国网江苏省电力有限公司连云港供电分公司 High-efficiency bidirectional DC-DC converter under zero-voltage switching operation and design method thereof
CN116995714A (en) * 2023-09-28 2023-11-03 中宏科创新能源科技(浙江)有限公司 Energy storage converter and control method thereof
CN116995714B (en) * 2023-09-28 2023-12-19 中宏科创新能源科技(浙江)有限公司 Energy storage converter and control method thereof

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