水厂深井泵电机缺相保护的改进

The Improvement of the Vacant Phase Protection of Deep-well Pump's Electric Machine of the Water Plant

针对深井泵电机缺相保护存在的缺陷,提出了相应的技术改进方案,介绍了改进后在实践中应用及推广情况。

In the light of the defects existing in the vacant phase protection of deep-well pump＇ s electric machine of the water plant, this paper puts forward corresponding improving scheme,and introduces the application and popularization of this improving scheme after improvement.