摘要
介绍一起由于CT极性接反引起的电能计量减少的故障,并针对此故障对电流互感器的原理、极性判别及引起计量减少的原因进行了详细地分析。
In the paper,a fault of electrical energy calculation decrease due to current transformer reversed polarity is introduced.The principle of current transformer,the method of polarity inspection and the reason of electrical energy calculation decrease are analyzed.
出处
《仪表技术》
2011年第2期65-66,70,共3页
Instrumentation Technology
关键词
电流互感器
极性接反
电能计量
current transformer
reversed polarity
electrical energy calculation
