CN114454767A - Energy management method for electric vehicle charging station - Google Patents
Energy management method for electric vehicle charging station Download PDFInfo
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- CN114454767A CN114454767A CN202210171324.6A CN202210171324A CN114454767A CN 114454767 A CN114454767 A CN 114454767A CN 202210171324 A CN202210171324 A CN 202210171324A CN 114454767 A CN114454767 A CN 114454767A
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- 238000007726 management method Methods 0.000 title claims abstract description 48
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 11
- 230000005611 electricity Effects 0.000 claims description 16
- 230000003993 interaction Effects 0.000 claims description 6
- 230000009467 reduction Effects 0.000 claims description 2
- 238000004146 energy storage Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
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- 208000019901 Anxiety disease Diseases 0.000 description 1
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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
- B60L53/67—Controlling two or more charging stations
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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
- B60L53/50—Charging stations characterised by energy-storage or power-generation means
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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
- 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
- B60L53/66—Data transfer between charging stations and vehicles
- B60L53/665—Methods related to measuring, billing or payment
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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
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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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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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
- 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
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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
- 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
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses an energy management method of an electric vehicle charging station, in particular to the technical field of new energy charging stations, on the premise that a charging pile and an electric vehicle support bidirectional charging, when a plurality of electric vehicles are charged simultaneously and the total charging power of the charging station can not meet the requirements of all the electric vehicles through the cooperation of the charging pile based on the bidirectional charging and the electric vehicle while the electric vehicle is kept normally charged by a power grid, the electric vehicles can rapidly charge a request vehicle with high power by feeding back the electric quantity of a plurality of service vehicles in cooperation with the power supply of the power grid, so that the service vehicles can obtain corresponding service fees to reduce the price after being rapidly charged, and start charging by the power grid, and simultaneously carry out comprehensive differentiated charging according to each service vehicle and the request vehicle, thereby fully utilizing the batteries of the electric vehicles in the station and enabling the electric vehicles in the station to serve as virtual energy storage, the problem of electric automobile quick charge has been solved to low cost.
Description
Technical Field
The invention relates to the technical field of new energy charging stations, in particular to an energy management method of an electric vehicle charging station.
Background
With the increasing requirements of cities on environmental protection of automobiles, the domestic permeability of the pure electric new energy electric automobile is higher and higher; in order to solve the mileage anxiety of the electric automobile, the charging power is also higher and higher. The conflict between the charging requirements and the limited capacity of the distribution grid is also growing.
In order to solve the problem of quick charging of the electric automobile, the popularization problem of a high-power quick charging pile and the problem of the power distribution capacity of a charging station need to be solved. The problem of the power distribution capacity of the charging station relates to the transformation of a power grid, and both the time cost and the economic cost are high. On the premise of not transforming the power grid, an electric energy storage system can be arranged in the charging station to store certain electric quantity for short-time high-power charging. However, the energy storage system has high construction cost, needs to occupy a certain area, and is difficult to implement.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides an energy management method for an electric vehicle charging station, and the technical problem to be solved by the invention is as follows: at present, the high-power quick charging of the electric automobile sets up an electric energy storage system on the premise of not transforming a power grid, and the electric energy storage system stores certain electric quantity for short-time high-power charging, but has high construction cost, needs to occupy a certain area, and faces difficult problems in large-area popularization and implementation.
In order to achieve the purpose, the invention provides the following technical scheme: an energy management method of an electric vehicle charging station, comprising the steps of:
s1, establishing a plurality of charging piles at the charging station, and forming a charging pile group.
And S2, establishing a charging station energy management system, wherein the energy management system comprises a control unit and a human-computer interaction unit.
And S3, collecting energy management information of the charging station, wherein the energy management information comprises the charging state fed back to the charging station by the charging pile and the power selling willingness fed back to the charging station by the charging pile.
S4, when a plurality of electric vehicles are charged at the same time in the charging station, the total charging power P of the charging stationsThe total charging power request P of all charging piles cannot be satisfiedrAAt that time, a single or multiple requesting vehicles may initiate a fast high power charging request P from the serving vehicle and the charging station energy management systemfAnd sends an acceptable premium fee FfTo a charging station.
S5 price premium FfLower than the minimum acceptable power F of the service vehicles in the station1Stopping chargingF2And a reverse charging service fee F3And when the vehicle is charged, the charging station controls the corresponding charging pile to start the functions of reducing power, stopping charging and reversely charging so as to charge the vehicle.
S6, the payment required by each party is settled according to the service of S4-S5.
As a further scheme of the invention: and in the S1, the total power of the plurality of charging piles in the charging station is greater than the maximum power distribution power of the power grid.
As a further scheme of the invention: the charging pile and the electric automobile both support bidirectional charging, namely, the charging and reverse charging functions, and the charging pile supports the electric automobile and the charging station energy management system to exchange information, wherein the exchange information comprises the capacity of an exchange battery, the current electric quantity information, the lowest electric quantity acceptable by an automobile owner and electricity selling price parameters which limit the charging pile.
As a further scheme of the invention: the electric automobile comprises a bidirectional charging function, and the electric automobile and the charging pile can exchange information such as battery capacity and current electric quantity and electricity selling intention parameters such as minimum electric quantity acceptable by an automobile owner and electric power price.
As a further scheme of the invention: the control unit controls charging power of the charging piles and reverse charging power of the electric automobile in the distribution station according to the power selling intention of the car owner received by the charging piles, and the human-computer interaction unit can display information such as the maximum power and the maximum electric quantity which can be currently supplied by the charging station and can accept manual input of required electric quantity and electricity price information.
As a further scheme of the invention: the charging state fed back to the charging station by the charging pile comprises four states of normal charging, low-power charging, stopping charging and reverse charging, and the willingness of selling electricity fed back to the charging station by the charging pile comprises a power-down charging service fee F1Stop charging service fee F2Reverse charging service fee F3And the lowest acceptable charge QminAnd (4) information.
As a further scheme of the invention: the requesting vehicle is an electric vehicle requiring high-power charging, and the service vehicle is an electric vehicle capable of providing reverse charging service.
As a further scheme of the invention: the charging pile groups arranged on the charging station can be located at the same position geographically or at different positions, and only need to be located under the same power grid transformer, and electric energy exchange can be realized.
As a further scheme of the invention: the energy management system may remotely issue the charging request through a mobile network and a mobile phone terminal applet, and in step S5, the electric vehicles with low quotations may be prioritized to provide service for the requesting vehicle according to the low-to-high sequence of quotations of the service vehicles.
As a further scheme of the invention: in step S5, a service vehicle with sufficient available electric power can be prioritized to provide service for the requested vehicle according to the electric power of the service vehicle and the lowest acceptable electric power.
The invention has the beneficial effects that:
according to the invention, when normal charging is kept through a power grid, and a charging pile based on bidirectional charging is matched with electric automobiles, when a plurality of electric automobiles are charged simultaneously and the total charging power of the charging station cannot meet the requirements of all the electric automobiles, the electric automobiles are matched with the power supply of the power grid through the electric quantity feedback of a plurality of service vehicles, so that the service vehicles can carry out high-power quick charging on request vehicles, the service vehicles can obtain corresponding service fees for reducing the price after the service vehicles are quickly charged, the charging is started through the power grid, and meanwhile, comprehensive differentiated charging is carried out according to each service vehicle and the request vehicles, so that the batteries of the electric automobiles in the station are fully utilized, the electric automobiles in the station are used as virtual energy storage, and the problem of quick charging of the electric automobiles is solved at low cost.
Drawings
FIG. 1 is an energy management architecture for an electric vehicle charging station according to the present invention;
2-4 are schematic diagrams of the working process of the energy management method of the electric vehicle charging station according to the invention;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example 1:
1. an energy management method of an electric vehicle charging station is characterized by comprising the following steps:
s1, establishing a bidirectional charging pile: set up a plurality of electric pile that fill in the charging station, form the stake group that charges, fill electric pile and need support two-way charging, can be by filling electric pile to electric automobile battery charging, also can return electric automobile battery's electric energy to the electric wire netting, fill electric pile support and electric automobile and charging station energy management system exchange information.
S2, the electric automobile supporting the bidirectional charging function: the electric automobile supports charging and reverse charging functions, and can exchange information such as battery capacity and current electric quantity with the charging pile and electricity selling intention parameters such as minimum electric quantity and electricity price acceptable by an automobile owner.
S3, establishing the charging station energy management system: the charging power of the charging piles in the distribution station and the reverse charging power of the electric automobile can be controlled according to the electricity selling intention of the automobile owner received by the charging piles, the human-computer interaction unit can display information such as the maximum power and the maximum electric quantity which can be supplied by the charging station at present, and can accept information such as manually input required electric quantity and electricity price.
S4, collecting energy management information of the charging station: the electric automobile can feed back charging states to the charging station through the charging pile, wherein the charging states comprise a normal charging state, a low-power charging state, a charging stopping state and a reverse charging state; the electric automobile can feed back the willingness of selling electricity to the charging station through the charging pile, including the power-reducing charging service fee F1Stop charging service fee F2Reverse charging service fee F3And the lowest acceptable charge QminWhen a plurality of electric vehicles are charged simultaneously in the charging station, and the total charging power P of the charging stationsThe total charging power request P of all charging piles cannot be satisfiedrAAt that time, a single or multiple requesting vehicles may initiate a fast high power charging request P from an electric vehicle or charging station energy management systemfAnd sends an acceptable premium fee FfAnd when the electric automobile arrives at the charging station, the electric automobile needing high-power charging is called a request vehicle for short.
S5, implementation of the charging station energy management strategy: when the premium fee FfLower power F than the minimum acceptable power of the service vehicle in the station1Stopping charging F2And a reverse charging service fee F3And when the vehicle is charged, the charging station controls the corresponding charging pile to start the power reduction, stop charging or reverse charging function so as to charge the vehicle.
S6, settlement of charging fee: the fees that the parties need to pay are settled according to the service.
Example 2:
s1, establishing a bidirectional charging pile: charging station power distribution capacity is 200kW, sets up 2 100kW in the station and fills electric pile and 1 150kW and fill electric pile, fills electric pile and supports two-way charging, can be by filling electric pile to electric automobile battery charging, also can return electric automobile battery's electric energy to the electric wire netting, fills electric pile and supports and electric automobile and charging station energy management system exchange information.
S2, the electric automobile supporting the bidirectional charging function: three electric automobiles are charged simultaneously in a station, a first electric automobile and a second electric automobile both support 100kW quick charging and 100kW reverse charging functions, a third electric automobile supports 150kW quick charging functions, the battery capacities of the three automobiles are all 100kWh, wherein the electric quantity of the first electric automobile is 60kWh, the electric quantity of the second electric automobile is 80kWh, the electric quantity of the third electric automobile is 20kWh, the first electric automobile and the second electric automobile arrive at the charging station first and serve as service vehicles, the third electric automobile finally arrives at the charging station and serve as a request vehicle, the electric selling intention of the first electric automobile is to receive 10 yuan/h, the charging stopping service is not received within 0.5h at most, the electric selling intention of the second electric automobile is to receive the charging stopping service within 15 yuan/h, the reverse charging service charge within 2 yuan/kWh is received, the lowest acceptable electric quantity is 60kWh, the third electric vehicle has a charging desire to be fully charged to 100kWh, and is charged to full at the fastest speed and initiates a charging request to a charging station.
S3, establishing the charging station energy management system: the energy management system comprises a control unit and a touch screen man-machine interaction system, and displays the charging and discharging states of the electric automobile in the station.
S4, collecting energy management information of the charging station: the energy management system receives the electric automobile electricity selling willingness and the power request willingness in the S2 through the charging pile, and the power supply price of a power grid is 1 yuan/kWh;
s5, implementation of the charging station energy management strategy: after the third electric vehicle owner arrives at the charging station, since the first electric vehicle and the second electric vehicle have charged 200kW and occupy all the charging capacity of the charging station, the owner needs to fully charge the electric vehicle, and the touch screen of the control system inputs the information of 15 yuan/hour of stop charging service fee, 2 yuan/kWh of reverse charging service fee and 80kWh of required electric quantity, as shown in fig. 3, the energy management system preferentially arranges the first electric vehicle to stop charging for 0.5 hour according to the quotations of the first electric vehicle and the second electric vehicle, and the third electric vehicle charges to 70kWh after 0.5 hour, at which time the first electric vehicle stops providing stop charging service and continues charging for 100kW, as shown in fig. 4, the energy management system arranges the second electric vehicle to stop charging, at which time the power distribution capacity of 100kW still cannot meet the charging power of the third electric vehicle, the energy management system arranges the second electric automobile to reversely supply power to the charging station at the power of 50kW, and the third electric automobile is charged at the power of 150kW and is fully charged after 0.2 hour;
s6, settlement of charging fee: the energy management system confirms that the fee to be paid by the third electric vehicle is as follows: the first electric vehicle stops charging for 0.5 hour and counts 5 yuan, the second electric vehicle stops supplying power for 0.2 hour and counts 3 yuan, the second electric vehicle reverse charging for 10kWh and counts 20 yuan, and the power grid for 70kWh and electricity charges for 70 yuan.
In this case, the third electric vehicle obtains a service of fast charging by paying a higher fee, and the first electric vehicle and the second electric vehicle obtain a service fee by stopping charging or reverse charging serving as a virtual energy storage system, so that the service fee is used to achieve a more favorable price for charging this time.
The points to be finally explained are: although the present invention has been described in detail with reference to the general description and the specific embodiments, on the basis of the present invention, the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. An energy management method of an electric vehicle charging station is characterized by comprising the following steps:
s1, establishing a plurality of charging piles at the charging station, and forming a charging pile group;
s2, establishing a charging station energy management system, wherein the energy management system comprises a control unit and a human-computer interaction unit;
s3, collecting energy management information of the charging station, wherein the energy management information comprises a charging state fed back to the charging station by the charging pile and an electricity selling intention fed back to the charging station by the charging pile;
s4, when a plurality of electric vehicles are charged simultaneously in the charging station, and the total charging power P of the charging stationsThe total charging power request P of all charging piles cannot be satisfiedrAAt that time, a single or multiple requesting vehicles may initiate a fast high power charging request P from the serving vehicle and the charging station energy management systemfAnd sends an acceptable premium fee FfTo a charging station;
s5 price premium FfLower power F than the minimum acceptable power of the service vehicle in the station1Stopping charging F2And a reverse charging service fee F3When the vehicle is charged, the charging station controls the corresponding charging pile to start power reduction, stop charging and reverse charging functions so as to charge the vehicle;
s6, the payment required by each party is settled according to the service of S4-S5.
2. The energy management method of the electric vehicle charging station according to claim 1, wherein: and in the S1, the total power of the plurality of charging piles in the charging station is greater than the maximum power distribution power of the power grid.
3. The energy management method of the electric vehicle charging station according to claim 1, wherein: the charging pile and the electric automobile both support bidirectional charging, namely, the functions of charging and reverse charging, and the charging pile supports the exchange of information between the electric automobile and the charging station energy management system, wherein the exchange information comprises the exchange battery capacity for limiting the charging pile, the current electric quantity information, the lowest electric quantity acceptable by an automobile owner and electricity selling price parameters.
4. The energy management method of the electric vehicle charging station according to claim 1, wherein: the electric automobile comprises a bidirectional charging function, and can exchange information such as battery capacity and current electric quantity with the charging pile, and electricity selling intention parameters such as minimum electric quantity and electric power price acceptable by an automobile owner.
5. The energy management method of the electric vehicle charging station according to claim 1, wherein: the control unit controls charging power of the charging piles and reverse charging power of the electric automobile in the distribution station according to the power selling intention of the car owner received by the charging piles, and the human-computer interaction unit can display information such as the maximum power and the maximum electric quantity which can be currently supplied by the charging station and can accept manual input of required electric quantity and electricity price information.
6. The energy management method of the electric vehicle charging station according to claim 1, wherein: the charging state fed back to the charging station by the charging pile comprises four states of normal charging, low-power charging, stopping charging and reverse charging, and the willingness of selling electricity fed back to the charging station by the charging pile comprises a power-down charging service fee F1Stop charging service fee F2Reverse charging service fee F3And the lowest acceptable charge QminAnd (4) information.
7. The energy management method of the electric vehicle charging station according to claim 1, wherein: the requesting vehicle is an electric vehicle requiring high-power charging, and the service vehicle is an electric vehicle capable of providing reverse charging service.
8. The energy management method of the electric vehicle charging station according to claim 1, wherein: the charging pile groups arranged on the charging station can be located at the same position geographically or at different positions, and only need to be located under the same power grid transformer, and electric energy exchange can be realized.
9. The energy management method of the electric vehicle charging station according to claim 1, wherein: the energy management system may remotely issue the charging request through a mobile network and a mobile phone terminal applet, and in step S5, the electric vehicles with low quotations may be prioritized to provide service for the requesting vehicle according to the low-to-high sequence of quotations of the service vehicles.
10. The energy management method of the electric vehicle charging station according to claim 1, wherein: in step S5, a service vehicle with sufficient available electric power can be prioritized to provide service for the requested vehicle according to the electric power of the service vehicle and the lowest acceptable electric power.
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Application publication date: 20220510 |