摘要
本文介绍了龙羊峡发电厂开关站 3 3 0kV电压互感器误差检验的经验。利用水电厂发电机组自身的特点 ,采用水轮发电机励磁调压提供试验电源 ,使用分压电容器和分压调零箱以及 1 1 0kV标准电压互感器组成电容式电压比例标准装置 ,顺利地实现了三组母线电压互感器的误差检验。
The paper introduces the experience of Longyangxia hydraulic power plant switch station's 330kV voltage mutual inductor error calibration by adopting the hydraulic turbine generator's excitation voltage as the test source,using the partial pressure capacitor,partial pressure zero set box,and the 110kV standard voltage mutual inductor as the capacitive voltage ratio standard device to realize three group bus voltage mutual inductor's error calibration.The test result's uncertainty degree accords with the voltage mutual inductor's calibration requirement.
出处
《青海电力》
2003年第2期38-41,37,共5页
Qinghai Electric Power
