Work begins with the improvement of volt-ampere characteristics of voltageinstrumenttransformer, to ensure that saturation phenomenon does not appear.
从改善电压互感器伏安特性着手，使电压互感器在运行中不出现饱和现象。
2
Transformer is the key instrument for voltage converting, power transmission and distribution in power system.
在电力系统中，变压器是实现电压变换、电能传输和分配的关键设备。
3
How to obtain working power supply from high voltage side of active electronic current transformer (ect) is the key link impacting the reliability and accuracy of the instrument transformer.