Decision-making method and device for power supply switching of open-loop power grid
A decision-making method and power supply transfer technology, applied in the direction of circuit devices, power network operating system integration, electrical components, etc., can solve the problem that the open-loop power grid fault recovery analysis cannot adapt to any scenario
Active Publication Date: 2021-07-20
JIANGMEN POWER SUPPLY BUREAU OF GUANGDONG POWER GRID
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Problems solved by technology
[0005] This application provides a decision-making method and device for switching power supply from an open-loop power grid, which solves the technical problem that the existing technology cannot be adapted to any scenario in the process of fault recovery analysis of the open-loop power grid
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[0057] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiment of the application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the application. Obviously, the described embodiment is only It is a part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.
[0058] figure 1 It is a flow chart of the method of the embodiment of the present application, such as figure 1 as shown, figure 1 Including:
[0059] 101. Scan the power grid before and after the fault, and obtain the power supply tree of the target set;
[0060] It should be noted that this application can scan the power grid before and after the fault, and c...
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The invention discloses a decision-making method and device for power supply switching of an open-loop power grid, and the method comprises the steps: scanning a power grid before and after a fault, and obtaining a target set power supply tree; converting the target set power supply tree into a corresponding original adjacent matrix; searching independently connected set areas in the original adjacent matrix, and removing island nodes which are not connected with the standby power supply nodes; forming a target set adjacent matrix by independently connected set areas; classifying the adjacent matrixes of the target set according to different selected standby power supply nodes; coding the target set adjacency matrix by adopting a coding technology of a genetic algorithm, and listing a potential solution of each type of target set adjacency matrix. The technical problem that in the open-loop power grid fault recovery analysis process, the prior art cannot adapt to any scene is solved.
Description
technical field [0001] The present application relates to the technical field of power system power supply restoration, and in particular to a decision-making method and device for switching power supply from an open-loop power grid. Background technique [0002] The premise that the target set caused by the fault in the power system needs to be transferred to the backup power supply needs to meet some safety conditions. Therefore, the automatic transfer of power supply can only be implemented after a sufficient analysis of the target set. However, the current distribution network self-healing technology is limited by the lack of analysis methods, and can only be applied to specific fault types under specific operation modes of specific wiring structures (currently only single backup power supply or double backup power supply, fixed open-loop point Self-healing of single-device trip faults), so the scope of application and applicable scenarios are very limited. The main pro...
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Login to View More IPC IPC(8): H02J3/00G06F30/18
CPCH02J3/0073G06F30/18Y04S20/20
Inventor 梁广宇
Owner JIANGMEN POWER SUPPLY BUREAU OF GUANGDONG POWER GRID