本文介绍了适应于煤矿企业三相异步电动机全数字化综合保护系统。
This article introduced the coal enterprises three-phase asynchronous motor integrated digital protection systems.
同时分析了异步电动机的软启动和保护问题。
At the same time, this paper analyzes the soft start and protection problems of asynchronous motors.
介绍了作为大中型同步和异步电动机综合保护的微机型保护装置的设计研究情况。
The design and research of integrated protection device for large & medium synchronous and asynchronous motors with micro-computer is introduced.
分析了异步电动机的故障特性，提出异步电动机使用微机保护的整定计算方法。
The failure of the HV asynchronous motor is analyzed and calculation for setting-up of microcomputer protection for the HV asynchronous motors is suggested.
介绍了微机式高压异步电动机综合保护的原理及其装置的设计方法。
Theory and practices of multiple protection for large and middle capacity asynchronous motors;
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。
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。
Able to directly control AC 50Hz, 380V asynchronous motor with the protection of overload, phase-failure and voltage-absent.
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