... 闪光装置Flashing device 接闪装置（避雷器） Lightning arrester 断相保护Phase failure protection ...
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Phase-failure protection 断相保护 ; 断相掩护 ; 相故障保护 ; 端相保护装置
phase-failure protection circuit 断相保护电路
phase change failure protection 换相保护
protection of phase failure 电源错相保护
Thermal overload relays offer phase failure protection and are convertible from manual to automatic reset.
继电器具有相位故障保护和从手动转换为自动重置的功能。
The designed installation is mainly used in synthetic protection of small AC motor. It has the functions of phase failure protection and overload short protection.
本设计装置主要用于中小型交流电动机的综合保护，它具有断相、过载短路保护功能。
Zero-sequence current criterion, negative sequence current criterion and phase current variation can be used to improve the performance of breaker failure protection for ACF sub-bank.
针对单纯采用相电流判据的不足之处，本文提出增加零序电流、负序电流及电流变化量判据，以有效地避免保护误动或者拒动。
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