CN105141019A - Electric vehicle charging system - Google Patents
Electric vehicle charging system Download PDFInfo
- Publication number
- CN105141019A CN105141019A CN201510623421.4A CN201510623421A CN105141019A CN 105141019 A CN105141019 A CN 105141019A CN 201510623421 A CN201510623421 A CN 201510623421A CN 105141019 A CN105141019 A CN 105141019A
- Authority
- CN
- China
- Prior art keywords
- transformer
- phase
- charging system
- electric automobile
- rectification
- 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
Links
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION 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
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods 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 the energy transfer between the charging station and the vehicle
- B60L53/11—DC charging controlled by the charging station, e.g. mode 4
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION 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
- B60L2210/00—Converter types
- B60L2210/10—DC to DC converters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION 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
- B60L2210/00—Converter types
- B60L2210/30—AC to DC converters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Abstract
The invention belongs to the vehicle charging technology field and discloses an electric vehicle charging system. The system comprises a phase-shifting rectifier transformer connected to an external power grid. A backward stage of the phase-shifting rectifier transformer is connected to a concentration rectifier unit. A backward stage of the concentration rectifier unit is connected to a direct current bus unit and a backward stage of the direct current bus unit is connected to a DC/DC conversion circuit. In the invention, a concentration-type multiple pulse wave rectifier is used to replace multiple groups of modular parallel PWM-type high frequency PWM rectification circuits. An input terminal of the circuit is the phase-shifting rectifier transformer. Through transformer rectification, a high power factor and a low current harmonic wave are realized. Simultaneously, a concentration-type power factor rectification circuit shares a transformer whose an input high voltage is converted into a low voltage; the transformer is reconstructed into the phase-shifting rectifier transformer so that cost is greatly reduced. A rectifying element works in a power frequency work state, there is no high frequency switch losses and no common mode interferences caused by a high speed switch, efficiency is increased, reliability is improved and cost is reduced.
Description
Technical field
The invention belongs to vehicle charging technical field, particularly a kind of automobile charging system actual.
Background technology
In the design of current concentrated high-power electric automobile charging system actual, the general framework adopted is 10KV high input voltage, is depressured to 380V three-phase alternating voltage system by high voltage isolating transformer.By distribution system, alternating current is linked into AC/DC charging module again, wherein AC/DC charging module is generally two-layer configuration, the DC/DC transformer configuration of PFC rectification and isolation.
Its feature is that high-tension transformer is common star-likely turn delta transformer, and transformer is only as high pressure and low pressure buffer action.Transformer rear class connects Technics of Power Electronic Conversion equipment, i.e. charging module.Charging module can form charging system by multiple wired in parallel, and each charging module all has PFC (Active PFC) function.Inside modules has DC/DC isolated variable circuit.
This centralized charging system modularized design is independent circuits due to the pfc circuit of each module, and each module all has a set of pfc circuit.Circuit complexity is objectively caused to increase, pfc circuit controls owing to have employed high-frequency PWM, it has larger input differential mode and common mode disturbances at input side, meanwhile, because each module is independent, the functional circuit of input side, as soft starting circuit, input relay, input rectifying bridge, input EMI protection circuits etc., system is comparatively complicated.
Summary of the invention
The object of the present invention is to provide a kind of charging system for electric automobile, to overcome the deficiencies in the prior art, the present invention effectively simplifies system complexity, improves system reliability, raises the efficiency, reduce costs.
For achieving the above object, the present invention adopts following technical scheme:
A kind of charging system for electric automobile, comprises the phase-shifting rectifier transformer be connected with external power grid, and phase-shifting rectifier transformer rear class connects concentrates rectification unit, and concentrate rectification unit rear class to connect DC bus unit, DC bus unit rear class connects DC/DC translation circuit.
Further, phase-shifting rectifier transformer is multi-pulse rectification.
Further, multi-pulse rectification comprises 12 pulse wave rectifiers, 18 pulse wave rectifiers, 24 pulse wave rectifiers.
Further, the secondary of phase-shifting rectifier transformer has two groups or vice-side winding more than two, and these vice-side winding are connected with concentrated rectification unit respectively.
Further, concentrate the rectifier cell in rectification unit to be SCR thyristor or diode, wherein rectifier cell exports is that Parallel opertation or series connection export.
Further, DC bus unit is dc-link capacitance.
Further, BUCK or BOOST of isolated form circuit or non-isolation type or BUCK-BOOST circuit during DC/DC translation circuit.
Further, wherein phase shifting transformer is replaceable is controllable type device, comprises the wholly-controled device of IGBT or metal-oxide-semiconductor.
Compared with prior art, the present invention has following useful technique effect:
A kind of charging system for electric automobile of the present invention, use the high-frequency PWM rectification circuit of many groups PWM type of centralized multi-pulse rectification alternative module parallel connection, this circuit input end is phase-shifting rectifier transformer, higher power factor is realized by transformer rectification, lower current harmonics, meanwhile, centralized power factor (PF) rectification circuit has shared the transformer that input high pressure turns low pressure, transform as phase-shifting rectifier transformer, its cost will significantly reduce; Rectifier cell is operated in power frequency operating state, without HF switch loss, without the common mode disturbances that speed-sensitive switch causes, improves efficiency, improves reliability, reduce cost.
Accompanying drawing explanation
Fig. 1 is present system structural representation.
Fig. 2 is diode 12 pulse wave rectifier transformer and rectification circuit figure.
Fig. 3 is diode 18 pulse wave rectifier circuit diagram.
Fig. 4 is thyristor 12 pulse wave rectifier circuit diagram.
Fig. 5 is thyristor 18 pulse wave rectifier circuit diagram.
Fig. 6 is the multiple pulse rectification circuit figure of secondary series connection.
Fig. 7 is 12 pulse wave rectifier inversion integrated circuit figure.
Fig. 8 is 18 pulse wave rectifier inversion integrated circuits.
Fig. 9 is charging, energy storage bidirectional energy management system structural representation.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail:
As shown in Figure 1, a kind of charging system for electric automobile, comprise the phase-shifting rectifier transformer be connected with external power grid, phase-shifting rectifier transformer rear class connects concentrates rectification unit, form rectification circuit, concentrate rectification unit rear class to connect DC bus unit, DC bus unit rear class connects DC/DC translation circuit; Wherein phase-shifting rectifier transformer is multi-pulse rectification, multi-pulse rectification can allow the input THDI of system, namely input current abnormality rate reduces, and the secondary of phase-shifting rectifier transformer has two groups or vice-side winding more than two, and these vice-side winding connect concentrated rectification unit respectively; As shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5, concentrate the rectifier cell in rectification unit to be SCR thyristor or diode, as shown in Figure 5, Figure 6, wherein rectifier cell exports is that Parallel opertation or series connection export; DC bus unit is dc-link capacitance; BUCK or BOOST of isolated form circuit or non-isolation type or BUCK-BOOST circuit during DC/DC translation circuit;
As Fig. 7, Fig. 8, Fig. 9, wherein rectifying device is replaceable is controllable type device, comprise IGBT or metal-oxide-semiconductor or other forms of wholly-controled device, rectifier is transformed to inverter, utilizes IGBT or metal-oxide-semiconductor parasitic diode or additional diode or SCR to realize bi-directional energy flow simultaneously; Electric automobile by two-way DC/DC circuit discharging to DC bus, then by inverter circuit by transformer feedback grid, can realize electric vehicle energy feedback grid.
Below in conjunction with accompanying drawing, structural principle of the present invention and use step are described further:
Civil power, via after phase-shifting rectifier transformer, generates DC bus in the mode of many pulse waves, and this DC bus exports and connects DC/DC converter, and this converter exports and is connected to automobile, charges to automobile power cell.Many pulse waves are typically 12 pulse waves, 18 pulse waves, 24 pulse wave rectifiers even more multi-pulse rectification.
Claims (8)
1. a charging system for electric automobile, it is characterized in that, comprise the phase-shifting rectifier transformer be connected with external power grid, phase-shifting rectifier transformer rear class connects concentrates rectification unit, concentrate rectification unit rear class to connect DC bus unit, DC bus unit rear class connects DC/DC translation circuit.
2. a kind of charging system for electric automobile according to claim 1, is characterized in that, phase-shifting rectifier transformer is multi-pulse rectification.
3. a kind of charging system for electric automobile according to claim 2, is characterized in that, multi-pulse rectification comprises 12 pulse wave rectifiers, 18 pulse wave rectifiers, 24 pulse wave rectifiers.
4. a kind of charging system for electric automobile according to claim 1, is characterized in that, the secondary of phase-shifting rectifier transformer has two groups or vice-side winding more than two, and these vice-side winding are connected with concentrated rectification unit respectively.
5. a kind of charging system for electric automobile according to claim 1, is characterized in that, concentrates the rectifier cell in rectification unit to be SCR thyristor or diode, and wherein rectifier cell exports is that Parallel opertation or series connection export.
6. a kind of charging system for electric automobile according to claim 1, is characterized in that, DC bus unit is dc-link capacitance.
7. a kind of charging system for electric automobile according to claim 1, is characterized in that, BUCK or BOOST of isolated form circuit or non-isolation type or BUCK-BOOST circuit during DC/DC translation circuit.
8. a kind of charging system for electric automobile according to claim 1, is characterized in that, wherein phase shifting transformer is replaceable is controllable type device, comprises the wholly-controled device of IGBT or metal-oxide-semiconductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510623421.4A CN105141019A (en) | 2015-09-25 | 2015-09-25 | Electric vehicle charging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510623421.4A CN105141019A (en) | 2015-09-25 | 2015-09-25 | Electric vehicle charging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105141019A true CN105141019A (en) | 2015-12-09 |
Family
ID=54726274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510623421.4A Pending CN105141019A (en) | 2015-09-25 | 2015-09-25 | Electric vehicle charging system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105141019A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105932893A (en) * | 2016-06-24 | 2016-09-07 | 南京航空航天大学 | Multi-pulse rectifier substation system for electric vehicle direct current charging station |
| CN106564397A (en) * | 2016-11-07 | 2017-04-19 | 上海泓语电气技术有限公司 | Direct-current charging type charging station system |
| CN107994786A (en) * | 2017-11-28 | 2018-05-04 | 合肥华耀电子工业有限公司 | A kind of multi-pulse rectifier |
| EP3333005A1 (en) * | 2016-12-09 | 2018-06-13 | Dr. Ing. h.c. F. Porsche AG | Modular power electronics unit for charging an electrically powered vehicle |
| CN108177551A (en) * | 2018-02-09 | 2018-06-19 | 江苏万帮德和新能源科技股份有限公司 | A kind of integration charging system |
| DE102017127380A1 (en) * | 2017-11-21 | 2019-05-23 | Innogy Se | Charging station for electric vehicles |
| DE102017128555A1 (en) * | 2017-12-01 | 2019-06-06 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Network reaction minimizing transformer circuit |
| EP3501884A1 (en) * | 2017-12-19 | 2019-06-26 | Dr. Ing. h.c. F. Porsche AG | Transformer device for a charging station for electric vehicles with at least two load points |
| CN110212566A (en) * | 2019-06-19 | 2019-09-06 | 上海寰晟电力能源科技有限公司 | A kind of direct-flow distribution system |
| CN110417102A (en) * | 2018-04-27 | 2019-11-05 | 上海欣匀汽车服务有限公司 | A kind of charging system of electric powercar |
| WO2021057187A1 (en) * | 2019-09-29 | 2021-04-01 | 深圳威迈斯新能源股份有限公司 | Single/three-phase compatible efficient vehicle-mounted bidirectional charger |
| CN113708649A (en) * | 2021-09-10 | 2021-11-26 | 湖北春田电工技术有限公司 | High-power multi-output adjustable intermediate frequency power supply |
| CN114553030A (en) * | 2022-03-04 | 2022-05-27 | 中山科普斯特电源技术有限公司 | Stack formula fills electric pile |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100259214A1 (en) * | 2009-04-08 | 2010-10-14 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. | Wireless charging system |
| CN102891613A (en) * | 2011-07-21 | 2013-01-23 | 台达电子企业管理（上海）有限公司 | Alternating current (AC) to direct current (DC) power converter and DC charging station |
-
2015
- 2015-09-25 CN CN201510623421.4A patent/CN105141019A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100259214A1 (en) * | 2009-04-08 | 2010-10-14 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. | Wireless charging system |
| CN102891613A (en) * | 2011-07-21 | 2013-01-23 | 台达电子企业管理（上海）有限公司 | Alternating current (AC) to direct current (DC) power converter and DC charging station |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105932893A (en) * | 2016-06-24 | 2016-09-07 | 南京航空航天大学 | Multi-pulse rectifier substation system for electric vehicle direct current charging station |
| CN106564397A (en) * | 2016-11-07 | 2017-04-19 | 上海泓语电气技术有限公司 | Direct-current charging type charging station system |
| US10391870B2 (en) | 2016-12-09 | 2019-08-27 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Modular power electronics system for charging an electrically operated vehicle |
| EP3333005A1 (en) * | 2016-12-09 | 2018-06-13 | Dr. Ing. h.c. F. Porsche AG | Modular power electronics unit for charging an electrically powered vehicle |
| CN108233499A (en) * | 2016-12-09 | 2018-06-29 | 保时捷股份公司 | The modular power electronics system to charge for the vehicle to operation power |
| DE102017127380A1 (en) * | 2017-11-21 | 2019-05-23 | Innogy Se | Charging station for electric vehicles |
| CN107994786A (en) * | 2017-11-28 | 2018-05-04 | 合肥华耀电子工业有限公司 | A kind of multi-pulse rectifier |
| DE102017128555A1 (en) * | 2017-12-01 | 2019-06-06 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Network reaction minimizing transformer circuit |
| US10696183B2 (en) | 2017-12-19 | 2020-06-30 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Transformer apparatus for a charging station for electrically charging vehicles and having at least two charging points |
| EP3501884A1 (en) * | 2017-12-19 | 2019-06-26 | Dr. Ing. h.c. F. Porsche AG | Transformer device for a charging station for electric vehicles with at least two load points |
| CN108177551A (en) * | 2018-02-09 | 2018-06-19 | 江苏万帮德和新能源科技股份有限公司 | A kind of integration charging system |
| CN110417102A (en) * | 2018-04-27 | 2019-11-05 | 上海欣匀汽车服务有限公司 | A kind of charging system of electric powercar |
| CN110212566A (en) * | 2019-06-19 | 2019-09-06 | 上海寰晟电力能源科技有限公司 | A kind of direct-flow distribution system |
| WO2021057187A1 (en) * | 2019-09-29 | 2021-04-01 | 深圳威迈斯新能源股份有限公司 | Single/three-phase compatible efficient vehicle-mounted bidirectional charger |
| CN113708649A (en) * | 2021-09-10 | 2021-11-26 | 湖北春田电工技术有限公司 | High-power multi-output adjustable intermediate frequency power supply |
| CN114553030A (en) * | 2022-03-04 | 2022-05-27 | 中山科普斯特电源技术有限公司 | Stack formula fills electric pile |
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| C06 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20151209 |