For the voltagecontrolledsystem model, pole point method is taken to design the PID controller, and good result is achieved.
对于电压控制对象模型，采用极点配置的方法设计PID控制器，均取得了较为满意的控制效果。
2
The elements to be controlled include system frequency tie line flows line currents equipment loading and voltage.
所要控制的要素包括系统频率、联络线潮流、线路电流、设备的负荷和电压。
3
Based on compensation concept, the principle of this system is analyzed by utilizing the controlledvoltage source and controlled current source model of a transformer.