关于现场测量CVT介损及电容量实用接线方法的分析

Analysis of Practical Wiring Method for on-site Measurement of CVT Dielectric Loss and Capacitance

本文简述电容式电压互感器的工作原理、结构及在电力系统中所起的作用;介绍目前CVT试验的常规接线方法,提出现场测量CVT介损及电容量的实用接线方法,并进行论述分析;采用实用接线方法可防止二次引线恢复错误,降低作业风险,减少工作量,从而提高工作效率。

The working principle,structure and function of the capacitive voltage transformer are briefly described.The conventional wiring method of CVT test is introduced.The practical wiring method for measuring the dielectric loss and capacitance of CVT is proposed and discussed.Analysis;the use of practical wiring method can prevent secondary lead recovery errors,reduce the risk of operation,reduce the workload,and thus improve work efficiency.