This approach can also be used to model and simulate some very complicated circuits, power electronics conversion circuits, electric driven automatic control systems etc.
利用该方法还能对非常复杂的电路、电力电子变流系统、电力拖动自动控制系统进行建模仿真。
Proceeding from automatic control theory and mathematical model of electric machines, the development of control strategies of ac drives are expounded in combination with practical control systems.
从控制原理和电机数学模型出发，结合实用的系统，论述交流传动系统的控制策略。
The hydraulic machines are equipped with two electric control systems-relay and PLC, and three operation modes-mechanic, manual and semi-automatic.
本系列液压机具有继电器控制PLC控制俩种电气控制系统，有调整、手动及半自动三种操作方式。
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