应用于多通道不同时解列的快速解列判据

doi:10.11930/j.issn.1004-9649.2013.10.41.4

中国电力 ›› 2013, Vol. 46 ›› Issue (10): 41-45.DOI: 10.11930/j.issn.1004-9649.2013.10.41.4

应用于多通道不同时解列的快速解列判据

杨雨昂, 杨立红, 慕宗江, 彭志峰, 杨明玉

华北电力大学电气与电子工程学院,河北保定 071003

收稿日期:2013-05-28 出版日期:2013-10-23 发布日期:2015-12-10
作者简介:杨雨昂（1988—）,女,河北张家口人,硕士研究生,从事电力系统继电保护及稳定研究。
基金资助:
国家自然科学基金资助项目（50906079）; 北京市科技计划资助项目（Z111108062510002）

Fast Tripping Criterion Used in Multi-Channel Tripping

YANG Yu-ang, YANG Li-hong, MU Zong-jiang, PENG Zhi-feng, YANG Ming-yu

School of Electrical & Electronic Engineering, North China Electric Power University, Baoding 071003, China

Received:2013-05-28 Online:2013-10-23 Published:2015-12-10

摘要/Abstract

摘要： 通过大量仿真计算发现,现有快速解列装置在处理多失步通道互联电网问题时,存在各通道不同时解列的情况,容易诱发临近未失步的线路在解列进程中发生失步振荡。为避免这种状况的发生,在支路势能函数的基础上,推导出判断单条线路在系统失步振荡时的稳定度函数,并利用此函数给现有快速解列判据增加一个能够统筹各通道解列顺序的附加判据,这种改进能有效避免原快速解列判据无法彻底消除系统振荡的情况,最后用实际算例验证改进快速解列判据的优越性。

关键词: 快速解列, 多通道, 稳定度函数, 解列顺序

Abstract: A large number of simulation calculations show that the existing fast tripping systems have different channel tripping in different time when dealing with multi-channel power grid. In this case, out-of-step oscillation may be induced in the fragile line closing to out-of-step in the process of tripping. In order to avoid this case, an additional criterion is proposed, which is based on the stability function of a single line in out-of-step system. At the same time, the stability function of a single line in out-of-step system is based on the line transient potential energy function. In all, such improvement of criterion can effectively avoid the case that the original fast tripping criterion can’t completely eliminate the system oscillations. Finally, a case simulation is conducted to verify the effectiveness of the improved fast tripping criterion.

Key words: fast tripping, multi-channel, stability function, tripping order

中图分类号:

TM712

杨雨昂, 杨立红, 慕宗江, 彭志峰, 杨明玉. 应用于多通道不同时解列的快速解列判据[J]. 中国电力, 2013, 46(10): 41-45.

YANG Yu-ang, YANG Li-hong, MU Zong-jiang, PENG Zhi-feng, YANG Ming-yu. Fast Tripping Criterion Used in Multi-Channel Tripping[J]. Electric Power, 2013, 46(10): 41-45.

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https://www.electricpower.com.cn/CN/Y2013/V46/I10/41

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应用于多通道不同时解列的快速解列判据

Fast Tripping Criterion Used in Multi-Channel Tripping

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