摘要
提出了三相电压相序变化的原因，论述了相序监测原理，提供了实用电路，适用于用电设备及电动机的保护。
In this paper, the causes of 3-phase voltage phasesepuence variation are discussed, and the principles of phase se-quence monitoring are presented. The pratice circuit is provided, itcan be used for the protection of electric equipments and motors
出处
《测控技术》
CSCD
1998年第6期44-44,59,共2页
Measurement & Control Technology
