分析了传光型电压互感器的系统组成，给出了以电容分压器测量电压的电子式电压互感器的原理和设计方法，论述了电子式电压互感器的优点和性能。

• It analyses the light-transmission type system components of voltage transformer, gives the principle and method of designing measuring voltage based on capacitive voltage divider, and elaborates the advantage and function of electronic voltage transformers.