1) phase-preserving
保相
2) phase-failure protection
断相保护
1.
Algorithm realization based on the load characteristics of beam-pumping unit and phase-failure protection circuit;
基于游梁式抽油机负载特性的算法实现与断相保护电路
3) amplitude-phase protection
幅相保护
1.
Builds the relation between the three phase symmetrical short circuit current and phase angle,gives the new method of deciding on character for amplitude- phase protec- tion and proposes sure realizable form of amplitude- phase protection.
建立了三相对称短路电流与相角的关系 ,给出了确定幅相保护特性的新方法 ,提出了可行的幅相保护的实现方式。
4) lack-phase protection
缺相保护
1.
In order to insure electric-motor running safely,and to be immune to burn-up while lost its phase,besides of general safe considerations,some other protections should be taken into account such as lack-phase protection,so the rest of this paper will depict why an electric-motor lost its phase and how to deal with the problem.
保障电动机的安全运行,使其在发生缺相时及时停止运行,避免造成电动机烧毁事故,除了需对电动机实行常规保护外,还应有缺相保护。
5) phase failure protection
断相保护
1.
There are detailed introduction about the current-sampling electromotor protector, also details about the working principles, phase failure protection and overload protection of the protector which consist of the NE556 double-time standard.
本文对电流取样型电机保护器进行了较详细介绍,并对NE556双时基电路构成的保护器以工作原理,断相保护、过载保护均作了介绍。
2.
An IC type phase failure protection is used to protect phase failure fault of generator,transformer,breaker,motor,etc.
提出一种用集成电路构成的新型电气设备断相保护，当电力系统中的各种主设备、断路器以及电动机等发生断相故障时，能动作发出信号，必要时亦可动作于跳闸。
6) phase selector for line protection
保护选相
补充资料：保相
1.指护持辅佐君王。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条