[1]邓慧琼,李培强,郑荣进.电网连锁故障中的受扰支路及其关联节点分析[J].福建理工大学学报,2015,13(03):223-228.[doi:10.3969/j.issn.1672-4348.2015.03.004]
　Deng Huiqiong,Li Peiqiang,Zheng Rongjin.Analysis of disturbed branches and their related nodes in the〖JZ〗cascading failures scenario in power network[J].Journal of Fujian University of Technology;,2015,13(03):223-228.[doi:10.3969/j.issn.1672-4348.2015.03.004]
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电网连锁故障中的受扰支路及其关联节点分析()
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《福建理工大学学报》[ISSN:2097-3853/CN:35-1351/Z]

卷:
第13卷
期数:
2015年03期
页码:
223-228
栏目:
出版日期:
2015-06-25

文章信息/Info

Title:
Analysis of disturbed branches and their related nodes in the〖JZ〗cascading failures scenario in power network
作者:
邓慧琼; 李培强; 郑荣进
福建工程学院信息科学与工程学院
Author(s):
Deng Huiqiong;  Li Peiqiang;  Zheng Rongjin
College of Information Science and Engineering
关键词:
电力系统;  大停电;  连锁故障;  连锁跳闸;  潮流转移;  关联作用
Keywords:
power system;  blackout;  cascading failure;  cascade tripping;  power flow transfer;  correlation
分类号:
TM7
DOI:
10.3969/j.issn.1672-4348.2015.03.004
文献标志码:
A
摘要:
针对电网的连锁跳闸现象，对受初始故障波及的连锁受扰支路及其与电网节点的关联关系进行分析，并提出一种筛选初始故障、连锁受扰支路以及对连锁受扰支路的关联节点进行划分的算法。首先根据连锁跳闸现象中连锁受扰支路的连锁跳闸表现，以及继电保护的动作行为，给出一种评价连锁受扰支路受扰严重性的表达形式，在此基础上给出根据严重性对连锁受扰进行筛选的原则，然后分析初始故障切除后剩余系统支路的电流和节点注入功率之间关系，进而在综合连锁受扰支路的严重性及其与节点关联作用的基础上，形成筛选初始故障支路及其相应的严重连锁受扰支路以及对严重连锁受扰支路的关联节点进行划分的算法，可为电网分析连锁跳闸现象以及阻断连锁跳闸提供思路和借鉴，算例分析表明该算法的合理性。
Abstract:
To deal with cascade tripping in power network, the disturbed branches affected by the initial power cascading failure and the correlation between the disturbed branches and the nodes of power network were analysed. An algorithm for selecting the initial failures and the seriously disturbed branches and classifying the related nodes was proposed. Firstly, an evaluation expression for evaluating the severity of the disturbed branches was presented, which was based on the performance of the cascade tripping of the disturbed branches and the operating action of the relay of disturbed branches. A principle of selecting the disturbed branches in relation to the severity of the disturbance was proposed. The correlation between the current of the branches in the remaining system after removing the disturbed branches and the injection power of the nodes was analysed. The algorithm was proposed by combining the severity of the cascading disturbed branches and the correlational nodes. A computation example in IEEE39 system proves the rationality of the proposed algorithm.

参考文献/References:

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更新日期/Last Update: 2015-06-25