电动汽车主要是由动力电池组和驱动电动机组成的电力驱动系统驱动。
Electric vehicles are driven by the electrical systems which include the power batteries and the drive motors.
对于较大机组，由于厂用电更多，单台驱动电动机也更大，厂用电系统各组成部件应用时的协调配合需更多的系统设计工作。
For larger units, as the total auxiliary power becomes larger and the individual drive motors become larger, the coordinated application of system components requires more system design effort.
结合陕西鼓风机（集团）有限公司生产制造的风机机组低压辅机系统的特点，阐明了电动机软启动装置的应用。
The paper also describes its application in combination with the features of a low voltage auxiliary system produced by the Shaanxi Blower(Group) Co.
总结煤矿副井直流发电机-电动机组提升电控系统改造的实施方法，对该系统进行简要分析。
To summary the coal of vice-well continuous current generator-motor the set drag and hoists of the control system reform to into practice the methods, and proceeds to that system synopsis analysis.
本文从变频器电动机组成的系统角度出发，研究逆变器开关方式与电机磁场的关系及SPWM调制下电动机磁场的生成特点。
The relations of SPWM inverter switching model and motor field, and motor field characteristics in this circumstance are re-searched.
该系统由变速驱动控制器、电动机、发电机、逆变器及微机组成。
This system is composed of variable velocity driver, motor, generator, inverter and computer.
对通用变频器和异步电动机组成的转速闭环变频调速系统，提出一种系统建模与调节器参数设计的方法，并给出了设计实例和实验结果。
The modeling and parameter designing system based on speed closed loop is discussed. The design example and the experimental result are also given.
通过软件、硬件相结合的方式组建了保安段电动机控制系统，提高了整个机组运行的安全性，取得了很好的经济效益与社会效益。
Electromotor control system in the Baoan Section was set up and consists of hardware and software. Therefore, operating safety of whole unit was improved, and good economic a...
通过软件、硬件相结合的方式组建了保安段电动机控制系统，提高了整个机组运行的安全性，取得了很好的经济效益与社会效益。
Electromotor control system in the Baoan Section was set up and consists of hardware and software. Therefore, operating safety of whole unit was improved, and good economic a...
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