CN117922346A - Ordered charging method, equipment and storage medium for new energy automobile - Google Patents
Ordered charging method, equipment and storage medium for new energy automobile Download PDFInfo
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- CN117922346A CN117922346A CN202311568378.7A CN202311568378A CN117922346A CN 117922346 A CN117922346 A CN 117922346A CN 202311568378 A CN202311568378 A CN 202311568378A CN 117922346 A CN117922346 A CN 117922346A
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- 238000007726 management method Methods 0.000 description 7
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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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Abstract
The invention relates to a method, equipment and a storage medium for orderly charging a new energy automobile, wherein the method comprises the following steps: s1, obtaining rated power of a transformer in a transformer area, real-time charging power of each charging pile and charging vehicle information; s2, based on the current real-time charging power of each charging pile, judging whether to trigger the power distribution and charging sequencing conditions, if so, executing the step S3, and if not, controlling each charging pile to charge according to the requirements of the electric vehicle; s3, determining the charging sequence of the electric vehicle based on the rated power of the transformer in the transformer area and the charging vehicle information, and performing distribution control on the charging power of each charging pile; and S4, controlling each charging pile foundation to sequentially charge the electric vehicle according to the distributed charging power. Compared with the prior art, the invention has the advantages of optimizing the power grid load management, improving the utilization rate of the charging equipment, reducing the charging time, improving the efficiency and the like.
Description
Technical Field
The invention belongs to the technical field of power grid dispatching and electric automobile grid connection, relates to a new energy automobile charging control method, and particularly relates to a new energy automobile ordered charging method, equipment and a storage medium.
Background
Along with the rapid increase of the electric automobile scale, the electric automobile is used as an increasingly important random load to have an increasingly important influence on the distribution system of the district, and particularly, the distribution of the electric load is more uneven due to the unordered charging behavior of a large number of electric automobiles, the peak-valley difference is continuously increased, so that the distribution capacity of the district is easier to face the problem of overload capacity expansion.
In recent years, the number of new energy automobiles is rapidly increased, and meanwhile, the problem of load impact on a power grid caused by charging and charging of electric automobiles is increasingly remarkable. The ordered charging method can effectively solve the problems that the power grid load is overlarge, the utilization rate of charging equipment is low and the like possibly occurring in the charging process of the new energy automobile. At present, common orderly charging methods are as follows: vehicle dispatch management, vehicle state monitoring, charging pile network management and the like.
And the vehicle dispatching management system reasonably arranges the charging sequence and the time period of the vehicle according to the charging requirement of the vehicle and the load condition of the power grid, and performs optimized dispatching through an intelligent algorithm. For public transportation such as buses and buses, scheduling the charging sequence and time period of the vehicles is relatively easy to realize. However, for private cars, the charging order and period thereof are not controlled, and thus the vehicle schedule management method has limitations.
And (3) monitoring the state of the vehicle, and completing the charge scheduling and control of the charging pile by the charging pile according to the charge requirement and the charge state of the vehicle based on a communication system between the vehicle and the charging pile. The method cannot solve the problem of impact of vehicle charging on a power grid.
The network management of the charging piles means that the charging scheduling and distribution are completed by monitoring and managing the states of the charging piles. The method cannot solve the problem that the charging of the vehicle is not performed and the impact of charging on the power grid is caused.
In the face of the rapid increase of the number of new energy automobiles, it is necessary to research an effective control scheme for the charging behavior of the electric automobiles.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a new energy automobile ordered charging method, equipment and storage medium for optimizing power grid load management, improving the utilization rate of charging equipment, reducing charging time and improving efficiency.
The aim of the invention can be achieved by the following technical scheme:
The ordered charging method for the new energy automobile comprises the following steps:
S1, obtaining rated power of a transformer in a transformer area, real-time charging power of each charging pile and charging vehicle information;
s2, based on the current real-time charging power of each charging pile, judging whether to trigger the power distribution and charging sequencing conditions, if so, executing the step S3, and if not, controlling each charging pile to charge according to the requirements of the electric vehicle;
s3, determining the charging sequence of the electric vehicle based on the rated power of the transformer in the transformer area and the charging vehicle information, and performing distribution control on the charging power of each charging pile;
And S4, controlling each charging pile foundation to sequentially charge the electric vehicle according to the distributed charging power.
Further, the charging vehicle information comprises the current charging vehicle number, the waiting charging vehicle number, the vehicle brand, the vehicle rated capacity, the vehicle residual SOC, the vehicle charging required amount and the waiting charging time period of the vehicle owner.
Further, the triggering power allocation and charge ordering condition refers to one of the following states being satisfied:
a) The output power outside the transformer in the transformer area reaches the rated power of the transformer in the transformer area;
b) The sum of the real-time charging power of each charging pile exceeds the rated power of the transformer in the transformer area;
c) The power distributed by the power grid on the transformer in the transformer area is lower than min [ the rated power of the transformer in the transformer area, and the sum of the charging power of each charging pile ].
Further, the determining the charging sequence of the electric vehicle and performing distribution control on the charging power of each charging pile specifically includes the following steps:
S301, calculating the required charging power of each electric vehicle;
S302, summing the required charging power of each electric vehicle, and calculating the total power requirement of all electric vehicles required to be charged;
S303, judging whether the total power requirement to be charged is smaller than or equal to the rated power of a transformer in a transformer area, if so, controlling each charging pile to charge according to the required charging power of the currently charged electric vehicle, and if not, executing a step S304;
s304, sequencing the electric vehicles according to the principles of first-come first-charge and time-immediately first-charge, and controlling the charging power of each charging pile according to the charging power required by each electric vehicle after sequencing.
Further, the calculation formula of the required charging power of each electric vehicle is as follows:
Pj＝Qj/tj
Wherein j is the j electric vehicle, and Q j is the required charge power of the j electric vehicle; t j is the vehicle owner waiting time period of the j-th electric vehicle.
Further, the principles of first-come first-fill and first-time first-fill are specifically as follows:
And (3) the vehicle with the waiting time exceeding the peak of the power grid can be screened, the other vehicles are reserved to finish the charging requirement preferentially according to the sequence, and then the vehicle with the waiting time exceeding the peak of the power grid can be charged sequentially.
Further, step S4 further includes:
Upon completion of the charging demand of one electric vehicle, the process returns to step S2.
The invention also provides new energy automobile ordered charging equipment, which comprises an information acquisition module, a triggering module, an allocation ordering module and a charging module, wherein,
The information acquisition module is used for acquiring the rated power of the transformer in the transformer area, the real-time charging power of each charging pile and the charging vehicle information;
The triggering module judges whether to trigger power distribution and charge sequencing conditions based on the current real-time charging power of each charging pile, if so, the distribution sequencing module is started, and if not, each charging pile is controlled to charge according to the requirements of the electric vehicle;
the distribution sequencing module determines the charging sequence of the electric vehicle based on the rated power of the transformer in the transformer area and the charging vehicle information, and performs distribution control on the charging power of each charging pile;
The charging module is used for controlling each charging pile foundation to charge the electric vehicle in sequence according to the distributed charging power.
Further, in the charging module, the triggering module is started every time the charging requirement of one electric vehicle is completed.
The present invention also provides a computer-readable storage medium comprising one or more programs for execution by one or more processors of an electronic device, the one or more programs comprising instructions for performing the method of orderly charging a new energy automobile as described above.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, under the condition that the original transformer and other equipment are not replaced as much as possible, the power of the transformer is reasonably regulated and distributed according to the charging time sequence of the new energy automobile, so that ordered charging is realized, the power grid load management is optimized, the utilization rate of the charging equipment is improved, the charging time is shortened, the efficiency is improved, the utilization of renewable energy sources is promoted, and the sustainable development of the new energy automobile is promoted.
2. According to the invention, based on the rated power of the transformer in the transformer area and the information of each charging vehicle, the charging sequencing and the charging power distribution are carried out on the charging vehicles in the peak, so that the user experience of the charging vehicles is improved while the power grid load is optimized.
Drawings
FIG. 1 is an ordered charge flow diagram in accordance with the present invention;
Fig. 2 is a charge sequencing flow chart according to the present invention.
Detailed Description
The invention will now be described in detail with reference to the drawings and specific examples. The present embodiment is implemented on the premise of the technical scheme of the present invention, and a detailed implementation manner and a specific operation process are given, but the protection scope of the present invention is not limited to the following examples.
Example 1
As shown in fig. 1, the present embodiment provides an orderly charging method for a new energy automobile, which is an orderly charging method based on rated power of a transformer in a transformer area, and includes the following steps:
S1, collecting data: when charging is started, a series of data including the rated power P 0 of the transformer in the area, the real-time charging power P i (i=1, 2, … …, m) of each charging pile and the charging vehicle information is required to be acquired, wherein m is the number of the charging piles.
Specifically, the charging vehicle information includes current charging vehicle information and waiting charging vehicle information, including the current charging vehicle number, the waiting charging vehicle number, a vehicle brand, a vehicle rated capacity, a vehicle remaining SOC, a vehicle charge required amount, a vehicle owner waiting charging time period, and the like.
And S2, judging whether to trigger power distribution and charge sequencing conditions based on the current real-time charging power of each charging pile, if so, executing the step S3, and if not, controlling each charging pile to charge according to the requirements of the electric vehicle.
In this embodiment, the charging operation of each electric car in the next step is determined according to the relationship between the charging power allocated by the transformer in the transformer area to the charging station, the sum of the charging power of each charging pile, and the power allocated by the power grid. Specifically, triggering the power allocation and charge ordering conditions refers to satisfying one of the following states:
a) The output power outside the transformer in the transformer area reaches the rated power of the transformer in the transformer area;
b) The sum of the real-time charging power of each charging pile exceeds the rated power of the transformer in the transformer area;
c) The power distributed by the power grid to the transformer in the transformer area is lower than min [ the rated power of the transformer in the transformer area, and the sum of the charging power of each charging pile ], namely the power distributed by the power grid to the transformer in the transformer area is lower than the smaller value of the rated power of the transformer in the transformer area and the sum of the charging power of each charging pile.
And S3, determining the charging sequence of the electric vehicle based on the rated power of the transformer in the transformer area and the charging vehicle information, and performing distribution control on the charging power of each charging pile. As shown in fig. 2, the charging pile charging power distribution and charging sequence specifically include:
S301, calculating the required charging power of each electric vehicle, wherein the calculation formula is as follows:
Pj＝Qj/tj
Wherein j is the j electric vehicle, and Q j is the required charge power of the j electric vehicle; t j is the vehicle owner waiting time period of the j-th electric vehicle.
S302, summing the required charging power of each electric vehicle, and calculating the total power required to be charged of all electric vehicles: p d＝∑Pj.
And S303, judging whether the total power requirement to be charged is smaller than or equal to the rated power of the transformer in the transformer area, if so, namely, P d≤P0, controlling each charging pile to charge according to the required charging power of the currently charged electric vehicle, and if not, namely, P d＞P0, executing the step S304.
S304, sequencing the electric vehicles according to the principles of first-come first-charge and time-immediately first-charge, and controlling the charging power of each charging pile according to the charging power required by each electric vehicle after sequencing.
The principle of filling first, filling immediately first is as follows: and (3) the vehicle with the waiting time exceeding the peak of the power grid can be screened, the other vehicles are reserved to finish the charging requirement preferentially according to the sequence, and then the vehicle with the waiting time exceeding the peak of the power grid can be charged sequentially.
In this embodiment, the screening vehicle owner can wait for vehicles with a duration exceeding the peak of power consumption of the power grid, and charge all vehicles with a duration exceeding the peak of power consumption of the power grid in a period outside the peak, so as to keep all vehicles needing to complete charging requirements in a short time. If the total charging power of the vehicle needing to complete the charging requirement in a short time is smaller than P 0, the vehicle is charged according to the reserved vehicle charging power needing to complete the charging requirement in a short time, and the vehicle waiting for a long time is charged after the charging is completed.
And S4, controlling each charging pile foundation to sequentially charge the electric vehicle according to the distributed charging power.
The above-described method, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a usb disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random AccessMemory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Example 2
The embodiment provides new energy automobile ordered charging equipment, which comprises an information acquisition module, a triggering module, an allocation ordering module and a charging module, wherein the information acquisition module is used for acquiring rated power of a transformer in a transformer area, real-time charging power of each charging pile and charging vehicle information; the triggering module judges whether to trigger power distribution and charge sequencing conditions based on the current real-time charging power of each charging pile, if so, the distribution sequencing module is started, and if not, each charging pile is controlled to charge according to the requirements of the electric vehicle; the distribution sequencing module determines the charging sequence of the electric vehicle based on the rated power of the transformer in the transformer area and the charging vehicle information, and performs distribution control on the charging power of each charging pile; the charging module is used for controlling each charging pile foundation to charge the electric vehicle in sequence according to the distributed charging power. The procedure is as in example 1.
The foregoing describes in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the invention by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.
Claims (10)
1. The ordered charging method for the new energy automobile is characterized by comprising the following steps of:
S1, obtaining rated power of a transformer in a transformer area, real-time charging power of each charging pile and charging vehicle information;
s2, based on the current real-time charging power of each charging pile, judging whether to trigger the power distribution and charging sequencing conditions, if so, executing the step S3, and if not, controlling each charging pile to charge according to the requirements of the electric vehicle;
s3, determining the charging sequence of the electric vehicle based on the rated power of the transformer in the transformer area and the charging vehicle information, and performing distribution control on the charging power of each charging pile;
And S4, controlling each charging pile foundation to sequentially charge the electric vehicle according to the distributed charging power.
2. The ordered charging method of new energy vehicles according to claim 1, wherein the charging vehicle information includes a current number of charging vehicles, a number of waiting charging vehicles, a vehicle brand, a vehicle rated capacity, a vehicle remaining SOC, a vehicle charge-required amount, and a vehicle owner waiting charging time period.
3. The ordered charging method of new energy vehicles according to claim 1, wherein the triggering power allocation and charging ordering condition refers to one of the following states being satisfied:
a) The output power outside the transformer in the transformer area reaches the rated power of the transformer in the transformer area;
b) The sum of the real-time charging power of each charging pile exceeds the rated power of the transformer in the transformer area;
c) The power distributed by the power grid on the transformer in the transformer area is lower than min [ the rated power of the transformer in the transformer area, and the sum of the charging power of each charging pile ].
4. The ordered charging method of new energy vehicles according to claim 2, wherein the determining the charging sequence of the electric vehicles and the distributing and controlling the charging power of each charging pile specifically comprises:
S301, calculating the required charging power of each electric vehicle;
S302, summing the required charging power of each electric vehicle, and calculating the total power requirement of all electric vehicles required to be charged;
S303, judging whether the total power requirement to be charged is smaller than or equal to the rated power of a transformer in a transformer area, if so, controlling each charging pile to charge according to the required charging power of the currently charged electric vehicle, and if not, executing a step S304;
s304, sequencing the electric vehicles according to the principles of first-come first-charge and time-immediately first-charge, and controlling the charging power of each charging pile according to the charging power required by each electric vehicle after sequencing.
5. The ordered charging method of new energy vehicles according to claim 4, wherein the calculation formula of the required charging power of each electric vehicle is:
Pj＝Qj/tj
Wherein j is the j electric vehicle, and Q j is the required charge power of the j electric vehicle; t j is the vehicle owner waiting time period of the j-th electric vehicle.
6. The ordered charging method of new energy automobile according to claim 4, wherein the principles of first-come first-charge and first-time immediately first-charge are specifically as follows:
And (3) the vehicle with the waiting time exceeding the peak of the power grid can be screened, the other vehicles are reserved to finish the charging requirement preferentially according to the sequence, and then the vehicle with the waiting time exceeding the peak of the power grid can be charged sequentially.
7. The method for orderly charging a new energy automobile according to claim 1, wherein step S4 further comprises:
Upon completion of the charging demand of one electric vehicle, the process returns to step S2.
8. The ordered charging equipment for the new energy automobile is characterized by comprising an information acquisition module, a triggering module, an allocation ordering module and a charging module, wherein,
The information acquisition module is used for acquiring the rated power of the transformer in the transformer area, the real-time charging power of each charging pile and the charging vehicle information;
The triggering module judges whether to trigger power distribution and charge sequencing conditions based on the current real-time charging power of each charging pile, if so, the distribution sequencing module is started, and if not, each charging pile is controlled to charge according to the requirements of the electric vehicle;
the distribution sequencing module determines the charging sequence of the electric vehicle based on the rated power of the transformer in the transformer area and the charging vehicle information, and performs distribution control on the charging power of each charging pile;
The charging module is used for controlling each charging pile foundation to charge the electric vehicle in sequence according to the distributed charging power.
9. The in-line charging device of claim 8, wherein the triggering module is activated each time a charging requirement of an electric vehicle is completed in the charging module.
10. A computer readable storage medium comprising one or more programs for execution by one or more processors of an electronic device, the one or more programs including instructions for performing the method of orderly charging a new energy automobile according to any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311568378.7A CN117922346A (en) | 2023-11-22 | 2023-11-22 | Ordered charging method, equipment and storage medium for new energy automobile |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311568378.7A CN117922346A (en) | 2023-11-22 | 2023-11-22 | Ordered charging method, equipment and storage medium for new energy automobile |
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| CN117922346A true CN117922346A (en) | 2024-04-26 |
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| CN202311568378.7A Pending CN117922346A (en) | 2023-11-22 | 2023-11-22 | Ordered charging method, equipment and storage medium for new energy automobile |
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- 2023-11-22 CN CN202311568378.7A patent/CN117922346A/en active Pending
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