CN-121989738-A - Charging pile charging power adjusting method, system, equipment and medium

Abstract

The invention relates to the technical field of charging piles and discloses a charging power adjusting method, a system, equipment and a medium of a charging pile, wherein the method classifies the newly-increased electric vehicles into corresponding electric vehicle type sets by the charging specification information of the newly-increased electric vehicles, calculates the current available maximum charging power of the charging pile group by utilizing the total power of the charging pile group and the sum of the maximum charging powers of all the electric vehicles currently being charged of the charging pile group and combining the maximum allowable charging power of the newly-increased electric vehicles, and the SOC value of the newly-increased electric automobile and the belonging electric automobile type set are integrated, and the charging power of the charging pile connected with the newly-increased electric automobile is distributed through the current maximum charging power, so that different power outputs are implemented for different types of electric automobile sets, the charging requirements of various electric automobiles under different charge states are met, and the charging efficiency and the resource utilization rate are improved.

Inventors

• LIN DAIWEI
• Xi Zeli
• PENG JIANRONG
• LU ZHIXIN
• LI JIA
• WU BAITAO
• ZHOU YUNKANG
• LIU XIAN
• LIN SILE
• ZHANG YILUN
• DAI QIAOLING
• CHEN ZENGGANG
• LI HAOCHENG
• Li Jiongqiang
• PAN ZHENXING
• GUO GUOWEI
• ZHENG CHUTAO
• CHEN FAWEN
• LI WEI
• Wei ben
• HE SHAN

Assignees

• 广东电网有限责任公司佛山供电局

Dates

Publication Date

20260508

Application Date

20260407

Claims (10)

1. 1. A charging power adjustment method of a charging pile, characterized by comprising: After detecting that a charging pile group is connected with a new electric automobile, acquiring charging specification information of the new electric automobile, and classifying the new electric automobile into a corresponding electric automobile type set according to the charging specification information; acquiring the total power of the charging pile group and the sum of the maximum charging power of all the electric vehicles currently being charged of the charging pile group, and calculating the current available maximum charging power of the charging pile group by combining the maximum allowable charging power of the newly-added electric vehicles; and acquiring the SOC value of the newly-added electric automobile, and distributing the charging power of the charging pile connected with the newly-added electric automobile according to the electric automobile type set and the SOC value of the newly-added electric automobile and the current available maximum charging power.
2. 2. The charging power adjustment method of the charging pile according to claim 1, wherein the charging specification information comprises maximum allowable charging power, charging voltage and charging current, the electric vehicle type set comprises a first same-type electric vehicle set, a second same-type electric vehicle set and a heterogeneous electric vehicle set, wherein the maximum allowable charging power, the charging voltage and the charging current of each electric vehicle in the first same-type electric vehicle set are all identical, the difference between the maximum allowable charging power of any electric vehicle in the second same-type electric vehicle set and the maximum allowable charging power average value of the other electric vehicles is not greater than a preset power difference threshold, and the electric vehicles in the heterogeneous electric vehicle set are all electric vehicles of which the rest is not classified into the first same-type electric vehicle set and the second same-type electric vehicle set; classifying the newly-added electric automobile to the corresponding electric automobile type set according to the charging specification information, including: Comparing whether the maximum allowable charging power, the charging voltage and the charging current of the newly added electric automobile are completely consistent with the maximum allowable charging power, the charging voltage and the charging current of each electric automobile of the first same type electric automobile set; if the comparison is completely consistent, classifying the newly added electric vehicles into the first same type electric vehicle set; If the comparison is not completely consistent, calculating a difference value between the maximum allowable charging power of the newly-added electric vehicle and the average value of the maximum allowable charging power of each electric vehicle in the second-type electric vehicle set, and if the difference value is not greater than the preset power difference threshold value, classifying the newly-added electric vehicle into the second-type electric vehicle set; And if the difference value is larger than the preset power difference value threshold value, classifying the newly added electric automobile into the heterogeneous electric automobile set.
3. 3. The charging power adjustment method of a charging pile according to claim 1, wherein obtaining a sum of a total power of the charging pile group and a maximum charging power of all currently charging electric vehicles of the charging pile group, and calculating a currently available maximum charging power of the charging pile group in combination with a maximum allowable charging power of the newly added electric vehicle, comprises: Acquiring the total power of the charging pile group and the sum of the maximum charging power of all the electric vehicles currently being charged of the charging pile group; Determining the current required maximum charging power of the charging pile group according to the sum of the maximum charging powers of all the current charging electric vehicles of the charging pile group and the sum of the maximum allowable charging powers of the newly-added electric vehicles; And determining the current available maximum charging power of the charging pile group according to the difference value of the total power of the charging pile group and the current required maximum charging power.
4. 4. The method for adjusting the charging power of the charging pile according to claim 2, wherein the obtaining the SOC value of the newly added electric vehicle, and the distributing the charging power of the charging pile to which the newly added electric vehicle is connected according to the set of electric vehicle types to which the newly added electric vehicle belongs, the SOC value, and the current available maximum charging power includes: Judging whether the current available maximum charging power is greater than zero or not; If the current available maximum charging power is judged to be greater than zero, executing power distribution logic on the newly-increased electric automobile until the SOC value of the newly-increased electric automobile reaches a preset SOC threshold value, wherein the power distribution logic comprises the steps of distributing charging voltage and charging current which are the same as those of other electric automobiles in the first same type electric automobile set for a charging pile connected with the newly-increased electric automobile if the newly-increased electric automobile belongs to the first same type electric automobile set, distributing charging power which is the same as that of other electric automobiles in the second same type electric automobile set for the charging pile connected with the newly-increased electric automobile if the newly-increased electric automobile belongs to the second same type electric automobile set, and distributing maximum allowable charging power of the newly-increased electric automobile for the charging pile connected with the newly-increased electric automobile if the newly-increased electric automobile belongs to the different type electric automobile set; If the current available maximum charging power is not more than zero, determining remaining available power according to the total power of the charging pile group and the sum of the current charging powers of all electric vehicles in the heterogeneous electric vehicle sets, distributing the remaining available power according to the quantity proportion of the electric vehicles in the first same type electric vehicle set and the second same type electric vehicle set, uniformly distributing the distributed power to all electric vehicles in the corresponding set to obtain the charging power of the charging pile connected with the newly-increased electric vehicle, and charging the newly-increased electric vehicle according to the charging power until the SOC value of the newly-increased electric vehicle reaches the preset SOC threshold; and when the SOC value of the newly-increased electric automobile reaches the preset SOC threshold value, charging according to the maximum allowable charging power of the newly-increased electric automobile.
5. 5. The charging power adjustment method of a charging pile according to claim 1, further comprising: And responding to a peak clipping and valley filling instruction of the power grid dispatching system, calculating the total power to be reduced in real time, and regulating the charging power of all the electric vehicles under charging in equal proportion according to the current charging power of each electric vehicle.
6. 6. The charging power adjustment method of a charging pile according to claim 1, further comprising: Aiming at queuing charging vehicle queuing corresponding to the charging pile group, determining the charging priority of each queuing vehicle in the queuing charging vehicle queuing according to the vehicle battery capacity, a target SOC value and the predicted fully charged residual time; acquiring a current SOC value of each queuing vehicle, and judging whether the difference value between the current SOC value and the target SOC value is smaller than a preset SOC difference value threshold value; And if the difference value between the current SOC value and the target SOC value is smaller than the preset SOC difference threshold value, distributing the current available maximum charging power to the charging power of the queuing vehicle after the queuing vehicle is connected with the charging pile according to the charging priority, wherein the larger the charging priority of the queuing vehicle is, the higher the charging power distributed to the queuing vehicle is.
7. 7. The charging power adjustment method of a charging pile according to claim 1, further comprising: And when the communication of the upper controller accessed by the charging pile is interrupted, the charging pile continues to execute a charging task according to the last power instruction before the communication interruption of the upper controller until the communication is recovered and the latest power instruction is synchronized.
8. 8. A charging power conditioning system for a charging stake, comprising: The collection classifying module is used for acquiring charging specification information of the newly-added electric automobile after detecting that the charging pile group is connected with the newly-added electric automobile, and classifying the newly-added electric automobile into a corresponding electric automobile type collection according to the charging specification information; The power calculation module is used for obtaining the total power of the charging pile group and the sum of the maximum charging power of all the electric vehicles currently being charged of the charging pile group, and calculating the current available maximum charging power of the charging pile group by combining the maximum allowable charging power of the newly-added electric vehicles; The power distribution adjusting module is used for acquiring the SOC value of the newly-added electric automobile, and distributing the charging power of the charging pile connected with the newly-added electric automobile according to the electric automobile type set and the SOC value of the newly-added electric automobile and the current available maximum charging power.
9. 9. An electronic device comprising a memory and a processor, wherein the memory stores a computer program which, when executed by the processor, causes the processor to perform the steps of the charging power adjustment method of a charging stake according to any one of claims 1-7.
10. 10. A computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when executed, implements the steps of the charging power adjustment method of a charging pile according to any one of claims 1-7.

Description

Charging pile charging power adjusting method, system, equipment and medium Technical Field The invention relates to the technical field of charging piles, in particular to a charging power adjusting method, a charging power adjusting system, charging power adjusting equipment and a charging power adjusting medium for a charging pile. Background The existing charging piles or charging pile groups are used for charging the electric vehicles according to the fixed charging power under the fixed charging strategy, the charging strategy of the same type of electric vehicles cannot be implemented by the existing charging strategy, and the maximum available charging power of the charging piles or the charging pile groups is fixed in the charging peak period, so that different charging powers of the same type of electric vehicles can be implemented, and the charging efficiency difference is larger. The charging efficiency of the user is affected, the resource allocation of the charging pile is unbalanced, and the local power grid load fluctuation is aggravated. Disclosure of Invention In view of the above, the present invention provides a method, a system, a device and a medium for adjusting charging power of a charging pile. The first aspect of the present invention provides a charging power adjustment method for a charging pile, including: After detecting that a charging pile group is connected with a new electric automobile, acquiring charging specification information of the new electric automobile, and classifying the new electric automobile into a corresponding electric automobile type set according to the charging specification information; acquiring the total power of the charging pile group and the sum of the maximum charging power of all the electric vehicles currently being charged of the charging pile group, and calculating the current available maximum charging power of the charging pile group by combining the maximum allowable charging power of the newly-added electric vehicles; and acquiring the SOC value of the newly-added electric automobile, and distributing the charging power of the charging pile connected with the newly-added electric automobile according to the electric automobile type set and the SOC value of the newly-added electric automobile and the current available maximum charging power. In one embodiment, the charging specification information comprises maximum allowable charging power, charging voltage and charging current, the electric vehicle type set comprises a first same type electric vehicle set, a second same type electric vehicle set and a different type electric vehicle set, wherein the maximum allowable charging power, the charging voltage and the charging current of each electric vehicle in the first same type electric vehicle set are all the same, the difference between the maximum allowable charging power of any electric vehicle in the second same type electric vehicle set and the maximum allowable charging power average value of the other electric vehicles is not greater than a preset power difference value threshold, and the electric vehicles in the different type electric vehicle set are all electric vehicles of which the rest is not classified into the first same type electric vehicle set and the second same type electric vehicle set; classifying the newly-added electric automobile to the corresponding electric automobile type set according to the charging specification information, including: Comparing whether the maximum allowable charging power, the charging voltage and the charging current of the newly added electric automobile are completely consistent with the maximum allowable charging power, the charging voltage and the charging current of each electric automobile of the first same type electric automobile set; if the comparison is completely consistent, classifying the newly added electric vehicles into the first same type electric vehicle set; If the comparison is not completely consistent, calculating a difference value between the maximum allowable charging power of the newly-added electric vehicle and the average value of the maximum allowable charging power of each electric vehicle in the second-type electric vehicle set, and if the difference value is not greater than the preset power difference threshold value, classifying the newly-added electric vehicle into the second-type electric vehicle set; And if the difference value is larger than the preset power difference value threshold value, classifying the newly added electric automobile into the heterogeneous electric automobile set. In one embodiment, obtaining the sum of the total power of the charging pile group and the maximum charging power of all the electric vehicles currently being charged of the charging pile group, and calculating the current available maximum charging power of the charging pile group by combining the maximum allowable charging power of the newly added electric vehicle, inclu