In this paper technical development and application of the transducer-fed variable-speed asynchronous propulsion motor in electric propulsion field were introduced . From that related technician can know the development information and market outlook in this new field more clearly .

本文论述了交流 调速异步传动领域的技术发展现状及变频 调速异步 电动机在电力推进领域的应用情况，以使相关专业技术人员更加了解这一新兴领域的发展概况及市场前景。

This paper analyzed the working positions of the sequences in the four operating modes based on variable-speed principle of the variable displacement hydraulic motor in the hoisting system of the crane and sought the cause of the trouble and removed it .

根据 船舶液压 起货 机起升系统的 变速原理，分析了在4种工况下各个顺序 阀的工作位置，从而找出故障发生的原因并予以排除。

Variable frequency regulation system of the micro-coal given motor has the advantages of saving energy linear running reliable best profits . It overcomes shortcoming of traditional variable-speed motor so that CCS and AGC would be put into good using .

给粉机变频调速系统具有节能、调速线性、运行可靠、经济性好的特点，克服了传统滑 差 电机存在的缺点，确保协调控制系统和AGC的正常投入。

The theory analysis about the problems in variable-speed pump-control-motor governing system has been carried out . And the open-loop speed loss compensation method and the closed-loop PID control method are proposed for system speed loss and motor angular displacement control .

对 变 转速泵控马达调速系统存在的问题进行了理论分析，并针对系统转速降落和 马达角位移控制分别提出了开环转速降落补偿方法和闭环PID控制方法。

Switched reluctance motor ( SRM ) system is a new kind of variable-speed drives which has been developed from 1980s with the rapid advance of power electronics and microelectronics . The system is composed of double-salient reluctance motor power converter rotor position sensor and controller .

开关磁阻电动机（SwitchedReluctancemotor，简称SRM）是二十世纪80年代发展起来的一种新型 变速驱动系统，该系统由双凸极式磁阻 电机、功率变换器、位置传感器和控制器四部分组成。

The periodic variable-speed motion was needed in the mechanical scanning and driving system of microwave remote sensor . According to the controlling requirement of speed and position a driving and controlling system was developed using the stepping motor as executive component .

针对存在周期性 变速运动的微波遥感器机械扫描驱动系统，根据其扫描运动的速度、位置控制要求，采用步进 电机做为执行元件研制开发了一套驱动控制系统。

The Application of IEGT Frequency Converter to the Variable-speed of Main Motor of Angang Influences of Concentration Temperature and Strain Rate on Stress Corrosion Cracking of 316L Stainless Steel in Alkali Solution at High Temperature

IEGT高压变频器在安钢大功率同步 电机变频 调速中的应用高温碱液浓度与温度及应变速率对316L不锈钢应力腐蚀开裂的影响

No commutator motor is a new variable-speed motor its adjustable-speed performance is more advantage than dc system .

无换向器电动机是一种新型的可 调速 电机，其调速性能优于直流调速系统。

The switched reluctance drive is a new variable-speed motor system which consists of power electronically-switched circuits doubly salient reluctance motor and controller .

开关磁阻电机是由功率开关电路、双凸极磁阻电机及控制器构成的新型 调速 电动机系统。

Optimizing working parameters of sand wells by variable-speed motor on pumping units

用抽油机 调速 电动机优选出砂油井参数

Flux-switching Permanent Magnet ( PM ) synchronous motor ( FSPM ) is a newly variable-speed motor with advantages of both Permanent Magnet motor and SR motor .

开关磁通永磁同步电机同时拥有永磁电机和开关磁阻电机的优点，是一种新型的可 调速永磁 电机。

The design feature and operation principle of the variable-speed motor are introduced .

介绍了 调速 电动机的结构和调速原理。

Variable-speed transmission technology is one of core technology of the motor vehicles with the industrial development the automatic transmission vehicle requirements have become more sophisticated .

变速传动技术是 汽车的核心技术之一，随着工业的发展汽车对自动变速器的要求也越来越高。

Measurement of electric parameters for variable-frequency and variable-speed motor based on virtual instrument

基于虚拟仪器的变频 调速 电机电参数的测试

Reliability Test for Variable-speed Motor and the Measures to Raise the Reliability

调速 电机可靠性试验及提高可靠性的措施

One of hot-rolling mill main driving motor is an AC-AC variable-frequency variable-speed non-salient pole synchronous motor from SIEMENS the motor power is 12000 kW which is now the largest single unit capacity in China .

热轧厂的一台主传动电机采用西门子交交变频 调速隐极式同步 电机。电机功率 12000kW，是目前国内单台容量最大的轧机。

Scherbius Variable-speed Control of Winding Induction Drive Motor Using Double PWM Rectifier

基于双PWM整流器绕线异步 电机串级 调速控制

Analysis of Steady-State Characteristic and Excitation Capacity for Doubly Fed AC Excitation Variable-speed Induction Motor

双馈交流励磁 变速 电机的稳态特性及励磁容量分析

For example household appliances are now using variable-speed motor control which requires the higher performance and larger memories of32-bit devices .

例如，家用型产品需要用到 变速 电机控制，这就要求更高性能更大存储的32位设备。