基于图论的特高压直流工程最后断路器自适应判断策略

YU Hai

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基于图论的特高压直流工程最后断路器自适应判断策略

更新时间：2025-08-13

- 基于图论的特高压直流工程最后断路器自适应判断策略
- Automation of Electric Power Systems Vol. 40, Issue 5, Pages: 121-126(2016)
- 作者机构：
  
  许继电气股份有限公司,河南省,许昌市,461000
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2016
- 稿件说明：
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YU Hai. [J]. Automation of electric power systems, 2016, 40(5): 121-126.
DOI：

YU Hai. [J]. Automation of electric power systems, 2016, 40(5): 121-126. DOI：

摘要

提出了一种基于图论的特高压直流工程最后断路器自适应判断策略。建立了交流场等效模型和最后断路器图论求解模型

将交流场抽象为无向连通图

断路器抽象为图的边

线路和阀组等其他设备抽象为图的节点

从而将最后断路器的求解问题转换为无向连通图求解割边的问题

实现了交流场最后断路器快速、准确、智能的判断

该策略在工程中的实施有利于电网安全可靠运行。

Abstract

A self-adaptive strategy for the last breaker in UHVDC project based on graph theory is put forward. An equivalent model of the AC field and a solving model of the last breaker based on graph theory are set up. With the AC field abstracted as an undirected connected graph

the breaker as the edge of the graph

AC line

converter and other equipments as the nodes of the graph

the solving problem of the last breaker is converted to a cut edge calculation problem of the undirected connected graph

making the process of last breaker calculation fast

accurate and intelligent. The implementation of the strategy in a project is expected to have great significance for the stable operation of the power grid.

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