The basic theory for voltage and reactive control and the taps changed in transformer and shunt capacitor switched affect the voltage value are discussed in the paper.
The principles and characteristics of capacitor potential transformer and electronic potential transformer are analyzed and compared. A new digital optical fibre potential transformer is presented.
分析比较了电容式电压互感器和电子式电压互感器的特点及原理，提出一种新型的数码光纤电压互感器。
3
Distribution transformer adds power factor correction capacitor in the secondary side to collect compensate, so as to advance power factor and augment the load capacity of transformer.