To enhance the quality of manufacturing as responsibility, build national brand of measurement!
To enhance the quality of manufacturing as responsibility, build national brand of measurement!
GB/T 4703—2007 电容式电压互感器适用于连接到线与地之间的新的单相电容式电压互感器，其系统电压Um≥72.5kV，频率为15Hz～100Hz。它们为测量、控制和继电保护装置提供低电压。
本标准由中国电器工业协会提出。
本标准由全国互感器标准化技术委员会（SAC/TC 222）归口。
China's leading enterprise in variable frequency power measurement and metering
National variable frequency power measuring instrument (metering station) founder
Research and development unit of national variable frequency power metering standard