phase failure relay 断相继电器 ; 断相保护继电器
Phase-failure protection 断相保护 ; 断相掩护 ; 相故障保护 ; 端相保护装置
phase failure 断相 ; 相故障 ; 缺相故障 ; 相位失效
phase failure device 缺相装置
phase failure protective device [电] 断相保护装置
Phase-failure reverse Device 错
phase failure sensitive thermal release [电] 断相保护热脱扣器
open-phase failure 断相故障
It is found that output voltage of zero-sequence transformer is proportional to voltage UA 'a between phase-failure points.
经研究发现，零序变压器输出电压与断相点间电压u _ (A ' A)成正比。
Use is made of that zero-sequence transformer outputs a voltage signal when phase-failure occurs in three-phase induction motor.
这种新方法的基础是零序变压器在三相异步电动机断相时输出一个电压信号。
The relations between load torque and overload current, load torque and staring time, load torque and current of phase failure are given.
得出了负载转矩与电流过载倍数、负载转矩与启动时间、负载转矩与断相电流的关系曲线。
应用推荐