High powerfactor at ac input can be achieved by controlling the switch of capacitor charge circuit.
通过对电容器充电回路开关管进行控制，实现交流输入端的高功率因数。
2
The basic purpose of a shunt capacitor bank is to increase the local circuit voltage and or reprove the load powerfactor carried by the circuit.
并联电容器组的基本目的是要提高当地线路的电压，或提高引线路所带负荷的功率因数。
3
Among the three-phase power-factor correction circuits, the full decoupling circuit is especially suitable for high power fields because of its high input power and good electrical performance.