[1]方卫东,邓慧琼.电网连锁跳闸事件中的关键节点研究[J].福建工程学院学报,2015,13(06):578-583.[doi:10.3969/j.issn.1672-4348.2015.06.013]
　Fang Weidong,Deng Huiqiong.Analysis of key nodes in the cascading tripping event in power network[J].Journal of FuJian University of Technology,2015,13(06):578-583.[doi:10.3969/j.issn.1672-4348.2015.06.013]
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电网连锁跳闸事件中的关键节点研究()
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《福建工程学院学报》[ISSN:2097-3853/CN:35-1351/Z]

卷:
第13卷
期数:
2015年06期
页码:
578-583
栏目:
出版日期:
2015-12-25

文章信息/Info

Title:
Analysis of key nodes in the cascading tripping event in power network
作者:
方卫东; 邓慧琼
福建工程学院信息科学与工程学院
Author(s):
Fang Weidong;  Deng Huiqiong
College of Information Science and Engineering，Fujian University of Technology
关键词:
电力系统;  连锁跳闸;  连锁故障;  潮流转移;  停电事故
Keywords:
power system;  cascade tripping;  cascading failure;  power flow transfer;  blackout
分类号:
TM7
DOI:
10.3969/j.issn.1672-4348.2015.06.013
文献标志码:
A
摘要:
对电网连锁跳闸事件中的关键节点进行研究，提出一种分析关键节点的算法。结合连锁跳闸事件中继电保护的动作行为，给出一种连续型的用以衡量连锁跳闸严重度的表达形式及评价参量，并根据直流潮流法，利用支路电流和节点注入功率之间关系，进一步明确连锁跳闸严重度评价参量与节点注入功率之间的关系，以及连锁跳闸严重度评价参量对节点注入功率的灵敏度，在此基础上，形成了一套完整的算法，用以分析可引发连锁跳闸的初始故障，被初始故障波及的连锁跳闸支路，并最终用以分析对连锁跳闸支路起关键作用的节点。最后,在IEEE39节点系统上通过算例对该算法的有效性和合理性进行进一步说明。
Abstract:
The key nodes in power network at cascading tripping events were researched, and an algorithm for analysing the key nodes was proposed. Firstly, a continuous type of expression and an evaluation variable for measuring the severity of cascading tripping were proposed, which was based on the actions of relay protection in the cascading tripping event. And the relationship between the severity of cascading tripping and the node injection power was confirmed, which was based on the relationship between the branch currents and the node injection power according to direct current flow method. The sensitivity of the severity evaluation variable for the node injection power of the cascading tripping was determined. The algorithm can select the key nodes that may result in cascading tripping. Some examples in IEEE39 system prove the rationality and effectiveness of the proposed algorithm.

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更新日期/Last Update: 2015-12-25