浙江电力

2016, v.35;No.244(08) 56-59

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功率负荷平衡保护和零功率切机保护优化的探讨
Discussion on Optimization of Power Load Unbalance Protection and Zero-power Tripping Protection

朱青国,孙淑莲
ZHU Qingguo,SUN Shulian

摘要(Abstract):

针对几起发电机功率负荷平衡保护和零功率切机保护的误动事件,分析零功率切机保护和功率负荷平衡保护在应用中存在的问题,提出选用智能型功率变送器及零功率切机保护定值整定原则,并探讨零功率切机保护和功率负荷平衡保护优化应用的新思路,提高保护运行可靠性。
Aiming at several misoperation incidents of power load unbalance protection and zero-power tripping protection of generator, the paper analyzes the problems in their application and puts selection of intelligent power transmitter and setting principle of zero-power tripping protection; besides, it discusses a new idea for application optimization of zero-power tripping protection and power load unbalance protection.

关键词(KeyWords): 零功率切机;功率负荷平衡保护;智能变送器;整定
zero-power tripping;power load unbalance protection;intelligent transmitter;setting

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 朱青国,孙淑莲
ZHU Qingguo,SUN Shulian

DOI: 10.19585/j.zjdl.2016.08.013

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