基于脆弱线路辨识的电网连锁故障严重路径快速搜索

doi:10.11930/j.issn.1004-9649.201612112

中国电力 ›› 2017, Vol. 50 ›› Issue (9): 66-71.DOI: 10.11930/j.issn.1004-9649.201612112

基于脆弱线路辨识的电网连锁故障严重路径快速搜索

杨超平¹, 马志远², 沈沉², 张爽¹, 顾雨嘉²

1. 国网宁夏电力公司电力科学研究院,宁夏银川 750001;
2. 电力系统及发电设备控制和仿真国家重点实验室（清华大学电机系）,北京 100084

收稿日期:2016-12-26 出版日期:2017-09-25 发布日期:2017-09-11
作者简介:杨超平（1963—）,男,河北石家庄人,高级工程师,从事电力系统相关工作。E-mail: yujia.gu@163.com
基金资助:
国家自然科学基金资助项目（51321005）; 国网宁夏电力公司电力科学研究院资助项目（5229DK14000Z）

Rapid Search of Cascading Failure Serious Paths in Power Systems Based on Vulnerable Line Identification Results

YANG Chaoping¹, MA Zhiyuan², SHEN Chen², ZHANG Shuang¹, GU Yujia¹

1. Electric Power Research Institute of State Grid Ningxia Electric Power Company, Yinchuan 750001, China;
2. State Key Lab of Control and Simulation of Power Systems and Generation Equipments (Dept. of Electrical Engineering, Tsinghua University), Beijing 100084, China

Received:2016-12-26 Online:2017-09-25 Published:2017-09-11
Supported by:
This work is supported by Electric Power Research Institute of State Grid Ningxia Electric Power Company (No.5229DK14000Z), National Natural Science Foundation of China (No.51321005)

摘要/Abstract

摘要： 为在保证搜索精度的同时进一步提升搜索效率,基于电网动态特性,在脆弱线路辨识的基础上,提出一种连锁故障严重故障路径快速搜索方法。该方法首先采用改进K核法,从而实现脆弱线路辨识;其次,将连锁故障前两级指定为脆弱线路,使连锁故障模拟过程向负荷损失较大的方向发展,从而提升严重故障路径搜索效率。以IEEE-39节点系统为算例进行仿真,结果验证了所提方法的高效性。

关键词: 脆弱线路, 电网, 连锁故障, 严重故障路径, 快速搜索

Abstract: In order to balance the search accuracy and efficiency, this paper proposed a new algorithm, which is based on vulnerable line identification results and operation status of power systems and is suitable for the rapid identification of serious fault paths. Firstly, the modified k-core method was introduced to rapidly recognize the vulnerable lines in power grid. Secondly, the cascading failure development in the direction that may lead to serious power losses was identified by specifying the first two cascading failure components as the vulnerable lines, so as to improve the efficiency of prediction. The case studies are carried out on the IEEE 39-bus test system to demonstrate the validity and effectiveness of the proposed method.

Key words: vulnerable line, power grid, cascading failure, serious fault paths, rapid search

中图分类号:

TM732

杨超平, 马志远, 沈沉, 张爽, 顾雨嘉. 基于脆弱线路辨识的电网连锁故障严重路径快速搜索[J]. 中国电力, 2017, 50(9): 66-71.

YANG Chaoping, MA Zhiyuan, SHEN Chen, ZHANG Shuang, GU Yujia. Rapid Search of Cascading Failure Serious Paths in Power Systems Based on Vulnerable Line Identification Results[J]. Electric Power, 2017, 50(9): 66-71.

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https://www.electricpower.com.cn/CN/Y2017/V50/I9/66

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基于脆弱线路辨识的电网连锁故障严重路径快速搜索

Rapid Search of Cascading Failure Serious Paths in Power Systems Based on Vulnerable Line Identification Results

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基于脆弱线路辨识的电网连锁故障严重路径快速搜索

Rapid Search of Cascading Failure Serious Paths in Power Systems Based on Vulnerable Line Identification Results

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