电动车动力部分主要由蓄电池和电动机组成。
The dynamical part of the electric bicycle consists of accumulator and electromotor.
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.
风机型电动机组启动时间一般较长，对电动机定子、转子导体温升不利。
The startup time for the fan type motor is relatively longer, which is unfavorable to the temperature rise of its stator and rotor conductors.
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.
混合动力汽车是一种用发动机和电动机组合起来共同驱动的低污染、高效率和经济性能好的汽车。
Hybrid electric vehicle, driven by the engine and electromotor, has the virtues of low pollution, high efficiency, and economical performance.
因配套原因两台功率与负载特性相差较大的高压电动机组必须选用一套启动设备对两台机组进行一拖二控制。
Two high voltage motors with significantly different power and load have to be started by the same set of starting device. Liquid soft starting devices for high voltage A.
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.
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.
介绍了大型火电机组高压厂用母线切换时的情况，对大型异步电动机切换时的暂态过程进行了数学分析，介绍了减少切换时冲击电流的方法。
When the HV station service bus is switching, the transient of the large sized asynchronous motor is analyzed and a method of inducing the impulse current is introduced.
机组变频起动过程，实际上是电动机依靠定子和转子的电磁力矩作用的同步驱动过程。
The frequency changing start up process of generating unit actually is a synchronous driving process under the action of electromagnetic moment of the stator and rotor of motor.
生产各种空气压缩机，发电机组，水泵，电焊机，动力工具，手动工具，电动机，汽车库维修设备，机动清洗机，木工和金属制作设备。
Manufacturer of a wide range of air compressors, gen-sets, water pumps, welders, power tools, hand tools, electric motors, garage equipment, power washers, woodworking and metal working equipment.
如果一台发电机组没有运转，并且没有逆功率继电器保护，运转的机组就会驱动这个机组，这台机组上的发电机则变成电动机运行。
If one set stops and reverse power protection is not provided, the set still running will drive the set that has stopped. The generator on the set that has stopped will act as a motor.
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.
暖风机是由通风机，电动机及散热器组合而成的联合机组。
Warm air blower fan, motor and by a combination of radiator joint unit.
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.
在水头、负荷变化范围较大的蓄能电站中，为改善机组运行工况，可以采用速度可调的发电电动机。
For pumping storage stations with wide rangeability of head and discharge, a speed-adjustable motor-generators can be used for improving operation condition.
天荒坪抽水蓄能有限责任公司的静态变频器 （ SFC）主要用于将机组拖动至电动机方向的额定转速 ，从而使机组并网。
SFC is mainly used for turning the unit to rated speed in motor direction for parrelling of power grid.
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...
应用推荐