小型三相电动机单相运行、过载、短路保护装置

The Protection Equipment of Three-phase Mini-motor for One-phase Operation, Overload and Short Circuit

本文介绍一种安全实用的三相电机保护电路,本电路具有反应速度快、保护功能齐全的特点。在工业上具有很高的推广实用价值。

This paper introduces a safe and practical circuit of three-phase motor protection . This circuit has the features of high response speed and perfect protection .It has a high practical value in industry .