变压器本体瓦斯保护误动分析及防范措施-变压器-中国电力资料网 关键词： 变压器；瓦斯；保护；误动 [gap=322]Keywords： transformer；gas；protection；false action
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... incorrect proposition 错误命题 Incorrect tripping 误动 incorrect polarity 极性错误 ...
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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
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错误动作 error action ; misoperation ; wrong movements
防止误动作 DEBOUNCE
错误动机 misplaced motivation
误动概率 False Operation Probability
平均误动作间隔时间 mean time between malfunction
安全保护装置误动作 Security device malfunction ; Safety protection device malfunction
误动作概率 [自] malfunction probability
偶然误动作 inadvertent maloperation
继电保护误动作率 protective system false operation rate
For external faults, the increase of the CT error introduced by the CT saturation may produce relay misoperation.
区外故障时,TA饱和会引起误差增大,易导致保护误动。
参考来源 - 电力变压器纵差保护研究Simulation results demonstrate that the protection at both sides of the line can detect static instability fast and reliably with the criterion proposed,so that mal-operation of the line protection may be prevented by adopting effective measures.
仿真结果表明,利用此判据两侧保护均能快速、可靠地判出振荡,从而可以采取有效措施防止线路保护在振荡再故障时误动。
参考来源 - 用于距离保护的静态稳定破坏检测方案·2,447,543篇论文数据，部分数据来源于NoteExpress
这些措施显著提高了稳控装置运行的可靠性，极大地降低了装置误动的机率。
With the above mentioned measures the reliability of the operation of stabilizing devices is outstandingly improved and the probability of device mal-operation is significantly reduced.
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.
实际运行中，变压器差动保护可能在非故障的情况下发生误动。
In practical running, the differential protection of transformer may happen to be tripped in non fault.
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