摘要
论述了具有有效接地的三相供电系统中 ,两瓦特表法和三瓦特表法测量有功功率时产生的误差 。
The paper discusses the error produced in measuring active power when using two wattmeter method and three wattmeter method in the system of three phase electricity supplies by effective ground connection,and explains the cause producing the error by analyzing harmonic.
出处
《周口师范高等专科学校学报》
2001年第5期12-13,31,共3页
Journal of Zhoukou Teachers College
关键词
谐波
三相供电系统
有功功率
测量
harmonic
the system of three phase circuit
active power
measurement
