CN112332508A - Power frequency isolation high-power charging and discharging system - Google Patents
Power frequency isolation high-power charging and discharging system Download PDFInfo
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- CN112332508A CN112332508A CN202011127833.6A CN202011127833A CN112332508A CN 112332508 A CN112332508 A CN 112332508A CN 202011127833 A CN202011127833 A CN 202011127833A CN 112332508 A CN112332508 A CN 112332508A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
- H02J7/04—Regulation of charging current or voltage
- H02J7/06—Regulation of charging current or voltage using discharge tubes or semiconductor devices
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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
- B60L53/60—Monitoring or controlling charging stations
- B60L53/62—Monitoring or controlling charging stations in response to charging parameters, e.g. current, voltage or electrical charge
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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
- B60L53/60—Monitoring or controlling charging stations
- B60L53/63—Monitoring or controlling charging stations in response to network capacity
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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
- B60L55/00—Arrangements for supplying energy stored within a vehicle to a power network, i.e. vehicle-to-grid [V2G] arrangements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
- H02J3/322—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means the battery being on-board an electric or hybrid vehicle, e.g. vehicle to grid arrangements [V2G], power aggregation, use of the battery for network load balancing, coordinated or cooperative battery charging
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/20—Charging or discharging characterised by the power electronics converter
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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
- Y02T90/12—Electric charging stations
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention relates to a power frequency isolation type high-power charging and discharging system, which is characterized in that a multi-winding transformer is used for carrying out isolation voltage reduction to provide an alternating current incoming line power supply for a plurality of bidirectional AC/DC conversion units, the bidirectional AC/DC conversion units are output to a high-power charging terminal through a power switching unit, a power control unit controls the power flowing direction and the power switching mode, a charging and discharging control unit controls the power flowing size to realize information interaction of all subunits, the power grid and the electric vehicle can flow in two directions, the charging and discharging system utilization rate and the system efficiency are improved, and the whole station operation cost is reduced. Meanwhile, the power frequency isolation type high-power charging and discharging system adopts a bidirectional AC/DC change technology with a PFC function and a liquid cooling heat dissipation technology, reduces harmonic pollution of a power grid, improves the protection level and the charging and discharging efficiency of equipment, and can be connected with different types of charging and discharging interfaces.
Description
Technical Field
The invention relates to the technical field of high-power charging and discharging of electric automobiles, in particular to a power frequency isolation high-power charging and discharging system.
Background
With the continuous expansion of the application scale of electric automobiles and charging facilities in China, the rapid and convenient supply of electric energy becomes an important factor influencing the popularization of the electric automobiles, the existing charging system mostly adopts a one-way AC-DC charging scheme, and the problems of slow charging, low efficiency, inconvenience, low protection level, high noise, incapability of interacting with a power grid and the like exist, so the development of the electric automobile industry is severely restricted.
The existing method for solving the problem of high-power charging mainly adopts an isolated multi-module parallel technology in the aspect of a power unit, but the problems of charging conversion efficiency, noise and energy bidirectional flow are not fundamentally solved.
Disclosure of Invention
Aiming at the problems of low protection level, high failure rate, high noise, large loss and incapability of bidirectional energy flow in a charging system, the invention provides a power frequency isolation high-power charging and discharging system, which reduces the power conversion link, improves the charging efficiency of the system, and realizes bidirectional energy interaction between an electric vehicle and a power grid.
In order to achieve the aim, the invention provides a power frequency isolation high-power charging and discharging system which comprises a multi-winding transformer, a power conversion unit, a charging and discharging control unit, a power switching unit and a power control unit;
the power conversion unit comprises N bidirectional AC/DC conversion modules which respectively control the connection and disconnection of N secondary power windings of the multi-winding transformer;
the charging and discharging control unit is used for detecting the charging or discharging requirement and sending the charging or discharging requirement to the power control unit;
the power switching unit is used for switching the state of charging by supplying power to the power grid or receiving external discharge;
the power control unit determines the number of bidirectional AC/DC conversion modules needing to be started according to the charging or discharging requirements; controlling and monitoring the states of the N bidirectional AC/DC conversion modules; controlling and monitoring the state of the power switching unit.
Further, the multi-winding transformer comprises N +1 secondary windings, wherein the N secondary windings are secondary power windings, and the 1 secondary winding is an auxiliary power supply winding.
Furthermore, the N bidirectional AC/DC conversion modules can realize bidirectional flow of electric energy, and convert alternating current of a power grid into direct current for output or convert the direct current into alternating current for charging the power grid.
Furthermore, the power switching unit comprises N switch matrixes, and each switch matrix comprises M direct current switches correspondingly connected to M direct current output terminals; and each switch matrix smoothly switches the corresponding bidirectional AC/DC conversion module into M direct current output terminals.
Further, the switches of the switch matrix are semiconductor devices or high voltage direct current contactor switches.
Further, the bidirectional AC/DC conversion module is a power module, and the outputs of the power modules are connected in parallel.
Further, the determining, by the power control unit, the number of bidirectional AC/DC conversion modules that need to be started according to the charging or discharging requirement includes: according to the magnitude of the charging or discharging requirement and the state of each current bidirectional AC/DC conversion module, the number of the bidirectional AC/DC conversion modules needing to change the state is determined on the basis of the minimum number of the bidirectional AC/DC conversion modules needing to change the state, and the corresponding bidirectional AC/DC conversion modules and the power switching unit switch array are controlled to be switched.
Further, the determining, by the power control unit, the number of bidirectional AC/DC conversion modules that need to be started according to the charging or discharging requirement includes: and starting all the bidirectional AC/DC conversion modules, and dividing the N bidirectional AC/DC conversion modules equally according to the size of the charging or discharging requirement.
Further, the charge and discharge control unit controls the output power and the input power.
Furthermore, the bidirectional AC/DC conversion module adopts liquid cooling heat dissipation.
The technical scheme of the invention has the following beneficial technical effects:
according to the charging and discharging system, the multi-winding transformer and the bidirectional AC/DC power conversion unit group are used for the power conversion part, so that the winding process requirement of the transformer is reduced, the power conversion link is reduced, the charging efficiency of the system is improved, and the energy bidirectional interaction between an electric vehicle and a power grid is realized; the invention improves the protection level of the equipment, reduces the noise of the equipment, has a light and convenient charging interface, realizes high-power charging, can be compatible with 2015 version charging protocols forwards by matching with an interface converter, and is suitable for the charging and discharging requirements of different types of vehicles.
Drawings
FIG. 1 is a block diagram of a power frequency isolated high power charging and discharging system of the present invention;
FIG. 2 is a schematic diagram of a charging process of the system of the present invention;
FIG. 3 is a schematic diagram of the discharge process of the system of the present invention;
fig. 4 is a schematic diagram of a power switching unit of the system of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
A power frequency isolation high-power charging and discharging system is shown in figure 1 and comprises a multi-winding transformer (the number of windings is N +1, N is more than or equal to 2), a power conversion unit (comprising N bidirectional AC/DC conversion units), a power switching unit, a power control unit, a charging and discharging control unit and a high-power charging terminal. The multi-winding transformer, the power conversion unit, the power switching unit and the high-power charging terminal are sequentially and mainly connected; the power control unit is in communication connection with the AC/DC conversion unit and is used for sampling voltage and current of the bidirectional AC/DC conversion unit and controlling and monitoring the state of the power control unit; and the power control unit is in communication connection with the power switching unit and is used for acquiring and controlling the state of the power switching unit.
The multi-winding transformer comprises a primary side 1 high-voltage winding and is connected with a power grid; the secondary side N +1 winding transformers are characterized in that the N power windings are connected with the N bidirectional AC/DC conversion modules to form one-to-one correspondence, one secondary side winding has a problem, the failure of the current bidirectional AC/DC conversion module can be caused only, the normal work of other secondary side windings cannot be influenced, and the system reliability can be improved by adopting the multi-winding transformer. 1 auxiliary power supply winding supplies power for the system. The charging and discharging system can adopt a container type centralized design, and the occupied area of the charging system is reduced.
As shown in fig. 2, when the electric vehicle sends a charging demand, the charging and discharging control unit of the high-power charging and discharging system detects the charging demand, and passes the charging demand through the power control unit, and the power control unit sets the starting number of the bidirectional AC/DC power conversion modules and the switching state of the power switching unit according to the charging demand, and issues an instruction in a communication manner to meet the charging power demand. In order to improve the working efficiency of the system, the number of the starting bidirectional AC/DC change modules is reduced as much as possible on the premise of meeting the charging requirement; and all modules can be started according to the requirements, and the power is divided equally. The AC/DC conversion module at this time is connected to the corresponding output terminal through the power switching unit, which is a forward current direction. The electric vehicle then draws energy from the energy grid as a load.
As shown in fig. 3, in the high-power charge-discharge system, when the electric vehicle sends a discharge demand, the charge-discharge control unit detects the discharge demand, the discharge demand passes through the power control unit, the power control unit sets the starting number of the bidirectional AC/DC power conversion units and the switching state of the power switching unit according to the discharge demand, and issues an instruction in a communication manner to meet the discharge power demand. In order to improve the working efficiency of the system, the number of the starting bidirectional AC/DC modules is reduced as much as possible on the premise of meeting the discharge requirement; and all modules can be started according to the requirements, and the power is divided equally. The output of the electric vehicle at this time is connected to the corresponding AC/DC conversion module through a power switching unit, and the power switching unit is in a reverse current direction. At this time, the electric vehicle is used as an energy source to discharge to the power grid.
As shown in fig. 4, the power switching unit is formed by combining a plurality of switch matrixes, and a main circuit device of the switch matrix is a semiconductor device or a high-voltage direct-current contactor switch. The bidirectional AC/DC conversion module is connected with the DC-1 to the DC-M through a switch matrix, and the power switching unit carries out intelligent control on the switch matrix according to a control strategy issued by the power control unit. In a charging mode, the switch matrix smoothly switches the bidirectional AC/DC conversion unit into the DC output terminals DC-1 to DC-M, the bidirectional AC/DC conversion unit works in a rectification state at the moment to realize charging power distribution, and the switching state of a main circuit device is fed back to the power control unit; in a discharging mode, the switch matrix smoothly switches the batteries of the electric vehicle connected with the direct current output terminals DC-1 to DC-M into the AC/DC conversion module to realize discharging power distribution, the bidirectional AC/DC conversion module works in an inversion state at the moment, and the switching state of a main circuit device is fed back to the power control unit.
The invention relates to a power frequency isolation type high-power charging and discharging system, which comprises a multi-winding transformer, a power conversion unit, a power switching unit, a high-power charging terminal, a power control unit, a charging and discharging control unit and a centralized monitoring system. The multi-winding transformer, the power conversion unit, the power switching unit and the high-power charging terminal are sequentially and mainly connected; the power control unit is in communication connection with the power conversion unit and the power switching unit, and is in communication connection with the centralized monitoring system, the power control unit and the charging and discharging control unit. The multi-winding transformer is used for isolating and reducing voltage, an alternating current incoming line power supply is provided for the power conversion unit, the power conversion unit outputs the alternating current incoming line power supply to the high-power charging terminal through the power switching unit, the power control unit controls the power flowing direction and the power switching mode, the charging and discharging control unit controls the power flowing size, information interaction of all sub-units is achieved, energy of a power grid and an electric vehicle flows in a two-way mode, the utilization rate and the system efficiency of a charging and discharging system are improved, and the running cost of the whole station. Meanwhile, the power frequency isolation type high-power charging and discharging system adopts a bidirectional AC/DC change technology with a PFC function and a liquid cooling heat dissipation technology, reduces harmonic pollution of a power grid, improves the protection level (IP56) and the charging and discharging efficiency (98.2%), and can be connected with different types of charging and discharging interfaces.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. A power frequency isolation high-power charging and discharging system is characterized by comprising a multi-winding transformer, a power conversion unit, a charging and discharging control unit, a power switching unit and a power control unit;
the power conversion unit comprises N bidirectional AC/DC conversion modules which respectively control the connection and disconnection of N secondary power windings of the multi-winding transformer;
the charging and discharging control unit is used for detecting the charging or discharging requirement and sending the charging or discharging requirement to the power control unit;
the power switching unit is used for switching the state of charging by supplying power to the power grid or receiving external discharge;
the power control unit determines the number of bidirectional AC/DC conversion modules needing to be started according to the charging or discharging requirements; controlling and monitoring the states of the N bidirectional AC/DC conversion modules; controlling and monitoring the state of the power switching unit.
2. The power frequency isolation high-power charging and discharging system according to claim 1, wherein the multi-winding transformer comprises N +1 secondary windings, wherein the N secondary windings are secondary power windings, and the 1 secondary winding is an auxiliary power supply winding.
3. The power frequency isolation high-power charging and discharging system according to claim 1 or 2, wherein the N bidirectional AC/DC conversion modules can realize bidirectional flow of electric energy, convert alternating current of a power grid into direct current to be output or convert direct current into alternating current to be charged to the power grid.
4. The power frequency isolation high-power charging and discharging system according to claim 1 or 2, wherein the power switching unit comprises N switch matrixes, each switch matrix comprises M direct current switches correspondingly connected to M direct current output terminals; and each switch matrix smoothly switches the corresponding bidirectional AC/DC conversion module into M direct current output terminals.
5. The power frequency isolation high-power charging and discharging system according to claim 4, wherein the switches of the switch matrix are semiconductor devices or high-voltage direct current contactor switches.
6. The power frequency isolation high-power charging and discharging system of claim 4, wherein the bidirectional AC/DC conversion module is a power module, and the outputs of the power modules are connected in parallel.
7. The power frequency isolation high-power charging and discharging system of claim 4, wherein the power control unit determines the number of bidirectional AC/DC conversion modules to be started according to the charging or discharging requirement, and the determination comprises: according to the magnitude of the charging or discharging requirement and the state of each current bidirectional AC/DC conversion module, the number of the bidirectional AC/DC conversion modules needing to change the state is determined on the basis of the minimum number of the bidirectional AC/DC conversion modules needing to change the state, and the corresponding bidirectional AC/DC conversion modules and the power switching unit switch array are controlled to be switched.
8. The power frequency isolation high-power charging and discharging system according to claim 1 or 2, wherein the power control unit determines the number of bidirectional AC/DC conversion modules to be started according to the charging or discharging requirement, and comprises: and starting all the bidirectional AC/DC conversion modules, and dividing the N bidirectional AC/DC conversion modules equally according to the size of the charging or discharging requirement.
9. The power frequency isolation high-power charging and discharging system as claimed in claim 1 or 2, wherein the charging and discharging control unit controls the output power and the input power.
10. The power frequency isolation high-power charging and discharging system as claimed in claim 1 or 2, wherein the bidirectional AC/DC conversion module adopts liquid cooling heat dissipation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011127833.6A CN112332508A (en) | 2020-10-19 | 2020-10-19 | Power frequency isolation high-power charging and discharging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011127833.6A CN112332508A (en) | 2020-10-19 | 2020-10-19 | Power frequency isolation high-power charging and discharging system |
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| Publication Number | Publication Date |
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| CN112332508A true CN112332508A (en) | 2021-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011127833.6A Pending CN112332508A (en) | 2020-10-19 | 2020-10-19 | Power frequency isolation high-power charging and discharging system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112994089A (en) * | 2021-02-22 | 2021-06-18 | 国网湖北省电力有限公司电力科学研究院 | High-voltage alternating-current common-magnetic-field type intelligent optical storage and charging station capable of realizing station network interaction and control method |
| CN118074198A (en) * | 2024-04-22 | 2024-05-24 | 江苏华骋科技有限公司 | Intelligent self-adaptive integrated charging and discharging system |
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| WO2017148407A1 (en) * | 2016-03-02 | 2017-09-08 | 英飞特电子（杭州）股份有限公司 | Energy storage charging system |
| 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 |
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| CN110676917A (en) * | 2019-10-30 | 2020-01-10 | 上海蔚来汽车有限公司 | Charging system and charging method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112994089A (en) * | 2021-02-22 | 2021-06-18 | 国网湖北省电力有限公司电力科学研究院 | High-voltage alternating-current common-magnetic-field type intelligent optical storage and charging station capable of realizing station network interaction and control method |
| CN118074198A (en) * | 2024-04-22 | 2024-05-24 | 江苏华骋科技有限公司 | Intelligent self-adaptive integrated charging and discharging system |
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