断相保护 meaning in Chinese

open phase protection
open-phase protection
phase-failure protection

On open - phase protection for hv motors in power plants
发电厂高压电动机断相保护的探讨
Protection of asynchronous motors lack of phase
异步电动机的断相保护
Phase failure protection for small threephase asynchronous motors
小容量三相异步电动机断相保护方法
Study on protection technology of overload and open - phase of minitype flameproof motor
小型隔爆电动机过载断相保护技术的研究
The protector of electromotor have used heat relay for a long time , but heat relay not only has a dead area in the light over - loading area , but also ca n ' t protect open phase under so much circumstances
电动机保护装置采用热继电器已有很长的历史，但热继电器在电机的轻过载区存在着“保护死区” ，而且对断相保护在许多情况下起不到保护作用。