CN-122001097-A - Distribution network operation optimization method, system, equipment, medium and product based on contact points

CN122001097ACN 122001097 ACN122001097 ACN 122001097ACN-122001097-A

Abstract

The invention relates to the technical field of power systems, and discloses a distribution network operation optimization method, a system, equipment, a medium and a product based on contact points, wherein the method identifies the current contact point distribution by acquiring CIM model data of a target power grid area system, identifies a contact point path to be optimized, determines a new contact point candidate set according to a plurality of remote switches in the contact point path to be optimized, screens out target contact points from the new contact point candidate set, the method has the advantages that the method is characterized in that the method comprises the steps of reconstructing the contact point path to be optimized according to the target contact point, so that intelligent screening and path reconstruction of the contact point can be completed without manual on-site investigation, the working efficiency is greatly improved, an optimal contact point adjustment scheme can be quickly found, and meanwhile, the new contact point is subjected to multidimensional screening by combining user data and operation data, so that the accurate optimization of the selected target contact point on the operation mode of the power distribution network is ensured.

Inventors

QIU GUIHUA
KUANG ZIJIA
WU SHUHONG
GUO ZHISHEN
SHAO YUMING
LI WEIJUN

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. The distribution network operation optimization method based on the contact points is characterized by comprising the following steps of: Acquiring CIM model data, user data and operation data of a target power grid regional system; identifying current contact point distribution according to the CIM model data, and identifying a contact point path to be optimized according to the current contact point position distribution; determining a new contact point candidate set according to a plurality of remote switches in the contact point path to be optimized; Screening out a target contact point from the new contact point candidate set according to the user data and the operation data; And reconstructing the contact point path to be optimized according to the target contact point to generate a contact point optimization scheme.
2. The contact point-based distribution network operation optimization method according to claim 1, wherein the identifying a current contact point distribution according to the CIM model data and identifying a contact point path to be optimized according to the current contact point location distribution comprises: determining line topology data according to the CIM model data; Determining the distribution of contact points of each loop in the target power grid area system according to the line topology data; Determining the distance from each connecting point to each side line outlet switch and the jurisdiction relationship of the power supply of each side line corresponding to the connecting point according to the connecting point position distribution; If the distance between the connecting point and the outgoing line switch of any side line is greater than or equal to a preset distance threshold value or the power supplies of the lines on the sides corresponding to the connecting point are different, marking the connecting point as a connecting point to be optimized; And screening out a line section from the furthest line outgoing switch on one side to the contact point to be optimized as a contact point path to be optimized according to the distance from the contact point to be optimized to each side line outgoing switch.
3. The method for optimizing operation of a contact-based distribution network according to claim 2, wherein said determining a new candidate set of contact points according to a plurality of remote switches in the contact point path to be optimized comprises: and traversing remote switches on the contact point path to be optimized in sequence from the reference starting point to the direction of the contact point path to be optimized by taking one half of the contact point path to be optimized as a reference starting point, taking each traversed remote switch as a new contact candidate point, and forming the new contact point candidate set.
4. A contact point-based distribution network operation optimization method according to any one of claims 1 to 3, wherein said screening, according to the user data and the operation data, a target contact point from the new contact point candidate set includes: Determining an operation index of the new contact candidate points after input according to the user data and the operation data aiming at each new contact candidate point in the new contact point candidate set, wherein the operation index at least comprises one of a transfer distribution transformer number, a line overload rate, a theoretical line loss reduction amount, a power supply radius reduction amount, a user control level, a dual-power user coverage rate, a user number, a new energy permeability and a non-theoretical line loss reduction rate; And screening out new contact candidate points meeting the preset operation index conditions as the target contact points according to the operation index.
5. The method for optimizing operation of a distribution network based on contact points according to claim 1, wherein the reconstructing the contact point path to be optimized according to the target contact point, generating a contact point optimization scheme, includes: And replacing the contact points in the contact point path to be optimized with the target contact points, and updating the load transfer paths of the lines at each side based on the replaced contact points to obtain updated load transfer paths as the contact point optimization scheme.
6. The method for optimizing operation of a distribution network based on contact points according to claim 1, wherein the reconstructing the contact point path to be optimized according to the target contact point, after generating a contact point optimization scheme, further comprises: and carrying out the visualization operation under the map and single line diagram splicing on the contact point optimization scheme.
7. A contact point-based distribution network operation optimization system, comprising: the data acquisition module is used for acquiring CIM model data, user data and operation data of the target power grid regional system; The contact point determining module is used for identifying current contact point distribution according to the CIM model data and identifying a contact point path to be optimized according to the current contact point position distribution; The new contact point candidate module is used for determining a new contact point candidate set according to the plurality of remote switches in the contact point path to be optimized; a new contact point screening module, configured to screen out a target contact point from the new contact point candidate set according to the user data and the operation data; and the contact path optimization module is used for reconstructing the contact point path to be optimized according to the target contact point to generate a contact point optimization scheme.
8. An electronic device comprising a memory and a processor, wherein the memory stores a computer program that, when executed by the processor, causes the processor to perform the steps of the contact-based distribution network operation optimization method according to any of claims 1-6.
9. A computer readable storage medium having stored thereon a computer program, characterized in that the computer program when executed implements the steps of the contact-based distribution network operation optimization method according to any of claims 1-6.
10. A computer program product comprising a computer program stored on a non-transitory computer readable storage medium, the computer program comprising program instructions, wherein the program instructions, when executed by a computer, cause the computer to perform the steps of the contact point based distribution network operation optimization method according to any of claims 1-6.

Description

Distribution network operation optimization method, system, equipment, medium and product based on contact points Technical Field The invention relates to the technical field of power systems, in particular to a distribution network operation optimization method, a distribution network operation optimization system, distribution network operation optimization equipment, distribution network operation optimization media and distribution network operation optimization products based on contact points. Background In the running process of the power distribution network, the line contact points serve as core nodes for line interconnection, and the setting rationality of the line contact points directly influences the power supply reliability, running economy and load allocation flexibility of the power distribution network. The existing contact points of the power distribution network are mostly set in the initial stage of planning, and the existing contact points are easy to be mismatched with actual operation demands along with the increase of regional load, new energy access and the change of user electricity consumption characteristics, such as the situation that the line loss is increased and the new energy consumption capacity is insufficient due to the fact that the load ratio of part of lines is higher and the power supply distance is too long. The traditional distribution network operation mode optimization is based on manual analysis of line topology and operation data, when the optimizing potential of the contact points is manually checked, multi-dimensional data such as line contact relation, load rate, line loss, user distribution and the like are checked one by one, the workload is large, the efficiency is low, analysis omission is easy to occur due to the fact that the dimension of the data is complex, and an optimal contact point adjustment scheme is difficult to find quickly. Meanwhile, the influence of contact point adjustment on multiple aspects of the power grid cannot be comprehensively considered by manual analysis, so that new operation problems, such as overload on a contralateral line, control and upgrade of the number of users, exceeding of new energy permeability and the like, are easily caused after the implementation of an optimization scheme, and accurate optimization of the operation mode of the power distribution network is difficult to realize. Disclosure of Invention In view of the above, in order to solve the above technical problems, the present invention provides a method, a system, a device, a medium and a product for optimizing operation of a distribution network based on contact points. The first aspect of the invention provides a distribution network operation optimization method based on contact points, which comprises the following steps: Acquiring CIM model data, user data and operation data of a target power grid regional system; identifying current contact point distribution according to the CIM model data, and identifying a contact point path to be optimized according to the current contact point position distribution; determining a new contact point candidate set according to a plurality of remote switches in the contact point path to be optimized; Screening out a target contact point from the new contact point candidate set according to the user data and the operation data; And reconstructing the contact point path to be optimized according to the target contact point to generate a contact point optimization scheme. In one embodiment, the identifying a current contact point distribution according to the CIM model data, and identifying a contact point path to be optimized according to the current contact point location distribution, includes: determining line topology data according to the CIM model data; Determining the distribution of contact points of each loop in the target power grid area system according to the line topology data; Determining the distance from each connecting point to each side line outlet switch and the jurisdiction relationship of the power supply of each side line corresponding to the connecting point according to the connecting point position distribution; If the distance between the connecting point and the outgoing line switch of any side line is greater than or equal to a preset distance threshold value or the power supplies of the lines on the sides corresponding to the connecting point are different, marking the connecting point as a connecting point to be optimized; And screening out a line section from the furthest line outgoing switch on one side to the contact point to be optimized as a contact point path to be optimized according to the distance from the contact point to be optimized to each side line outgoing switch. In one embodiment, the determining a new candidate set of tie points according to the plurality of remote switches in the tie point path to be optimized includes: and traversing remote switches on the contact poin