分析了高压电动机的故障特征和现有保护的不足。
The fault character and insufficiency of the existing protection for the HV motor are analyzed.
高压电动机的微机继电保护与常规保护相比，具有快速、准确、可靠、故障率低、维护方便等特点。
Compared to normal protection high-tension motor's microcomputer is fast, accurate, reliable, has low failure rate and convenient maintenance.
通过对高压电动机起动过程中电气参数变化的研究，提出高压电动机过热保护的整定计算方法。
Through the study of the electric machine parameter changing during the starting of the high voltage motor, provided the setting calculation method for high voltage motor overheat protection.
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