Stator phase failure is one typical fault of a three-phase induction motor.
缺相故障是三相感应电动机的典型故障之一。
In all faults of Three-phase induction motors, stator phase failure has a higher rate.
在三相感应电机运行的各种故障中，绕组缺相故障的发生率较高。
It can provide protection from over current, short circuit, undervoltage, phase failure, leakage lockout, and operation overvoltage.
具有过流、短路、欠压、断相、漏电闭锁、操作过电压等保护。
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。
Four kinds of common motor phase failure operation are analysed, and therefrom the current-voltage equal-ratio rule is derived and verified.
分析了四类常见的电动机断相运行，并由此推出和验证了断相运行状态下的电流—电压等比规律。
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。
The electronic control line can be added with multiple protecting circuits, such as the protecting circuits for leakage, undervoltage, phase failure, phase sequence, etc.
电子控制线路根据需要可以增加多种保护功能电路，如：漏电、欠电压、缺相、相序等等保护功能电路。
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。
Able to directly control AC 50Hz, 380V asynchronous motor with the protection of overload, phase-failure and voltage-absent.
可控制交流50Hz，380V，三相异步电动机的直接起动停止，并具有过载和断相及失压保护。
The utility model relates to a phase-failure protection, especially relates to an open-phase protector used in the electrical equipment.
本实用新型涉及一种断相保护装置，尤其涉及一种用于电气设备的断相保护器。
The phase-failure protection can be widely used in the electrical equipment without open-phase protection to make the control part free of the unnecessary damage of the open circuit failure.
此断相保护装置可广泛应用于无缺相保护的电气设备中，使设备控制部件免于遭受断路故障的不必要的损坏。
The phase-failure protection can be widely used in the electrical equipment without open-phase protection to make the control part free of the unnecessary damage of the open circuit failure.
此断相保护装置可广泛应用于无缺相保护的电气设备中，使设备控制部件免于遭受断路故障的不必要的损坏。
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