三相干式变压器结构简单、使用方便、容易维修，在工厂中得到广泛应用，在电力拖动控制系统中要根据实际需要进行选择。
Three-phase dry type transformers are featured by simple construction, easy use and convenient maintenance and used as required by electrical drive systems.
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。
This approach can also be used to model and simulate some very complicated circuits, power electronics conversion circuits, electric driven automatic control systems etc.
在电力拖动自动控制系统中，折算到电动机轴上的总转动惯量的数值，是系统设计的主要参数之一。
In the electric driving automatic control system, the total value of moment of inertia converted onto the motor axis is one of the main parameters for the system design.
本文从电力电子变流技术和电力拖动自动控制系统方面论述了利用晶闸管实现对交流绕线式电动机的调速节能问题。
This paper deals with the economic governor of ac winding motor from the viewpoint of electrical and electronic inversion technology and electrical drive automation.
电力拖动自动控制系统。
电力拖动自动控制系统。
应用推荐