摘要
本文论述了用差动滤波电路检测无功电流（或无功功率）的原理，并给出实际检测电路该电路、简单、可靠、新颖。
In this paer, The measurement principle of reactive current (reactive power) using difference filter method is described and a practical circuit was completed. The apparatus in Simpla and reliable in technique compared other used one.
出处
《天津理工学院学报》
1999年第2期30-32,共3页
Journal of Tianjin Institute of Technology
关键词
无功电流
无功功率
检测电路
原理
difference filter
reactive current
reactive power
measure
