备自投装置不正确动作的缘由研究及措施_机械学_九九论文中心 关键词：备自投装置 拒动 误动 对策 [gap=251]Keywords： Self Power Input Device,refused to move,malfunction,countermeasures
基于12个网页-相关网页
如果仅采用相电流判据，将无法避免失灵保护误动或者拒动。
If only phase current is used in breaker failure protection, miss trip may occur no matter the threshold of current is higher or lower than load current.
针对拒动原因，采用增加电流增量保护等措施，取得良好效果。
For miss operation, the adoption of protection measures for increasing the current gain obtains very good result.
通过分析“1·16”事故原因，提出了线路覆冰故障及开关拒动的防范措施。
By analyzing the causation of "1 · 16" failure, brings forward the countermeasures of line covering ice and switch rejecting act.
应用推荐