查询词典 synchronous motor

The characteristic of servo system is studied, and the problems on digitalized signal processor of permanent magnet synchronous motor control system are discussed.

并对伺服系统的特性进行了研究，讨论了永磁同步电机控制系统数字化信号处理器的问题。

Synchronous motor ; Capacitor ; Starting ; Computer simulation

同步电动机；电容；起动；数字仿真

It presents the hybrid starting model of synchronous motor with paralleled capacitor and simulating results including stator current, stator voltage, speed, torque, field current.

该文建立了同步电动机在端部并联电容起动的混合数学模型，利用此模型对泵站同步电动机电容补偿起动过程的电流、端电压、转速、转矩、励磁电流等进行了仿真，并与无电容补偿的起动过程等进行比较。

The influence of the machine parameters on the starting performances of synchronous motor is studied by digital simulation.

通过数字的仿真，研究了电机参数尤其是阻尼参数对同步电动机起动性能的影响。

A dynamic nonlinear model of permanent magnet linear synchronous motor with single segment primary was established,then the secondary position was taken as the variable to construct the system dynamic simulation model of a PMLSM with several segment primaries.

建立了单段初级永磁直线同步电机变参数、非线性动态模型。在此基础上，以次级位置为参变量，建立多段初级式永磁直线同步电机系统动态模型，并用该模型对一具有4段初级的无绳提升系统能耗制动过程进行了仿真、分析。

The ship electric propulsion system that we are going to discuss consists of the following parts: six-phase double Y winding shifted by 30°synchronous motor, diode clamped three-level inverter, fixed pitch propeller and control installment of electric propulsion systems based on air-gap-field orientation vector control.

本论文所研究的船舶电力推进系统各个组成部分分别是：双Y移30°六相电励磁同步电动机、二极管嵌位式三电平逆变器、定距螺旋桨船舶推进器和采用基于气隙磁场定向矢量控制策略的电力推进系统控制装置。

According to the development of the oil-pumping unit and kinds of new technologies, we develop a new structure oil-pumping unit which is directly driven by a novel permanent magnet synchronous motor. Compared with the traditional beam-pumping unit, this new one has the advantages of simple structure, high efficiency, etc.

论文研究内容源自与油田合作的抽油机技术研究项目，根据目前抽油机现状以及当今各种技术的发展，提出了新型永磁同步电机驱动的抽油机系统，简化了传统的抽油机系统结构，提高了系统效率，使抽油机的工作性能和节能指标都有了很大的提高。

As a sub- project of national science and technology key project——"The Research andDevelopment of High Performance Rare Earth Permanent Magnet Machine ", this paper presents the research on several key questions of designing premium-efficiency permanent magnet synchronous motor uses in the fan or pump ,such as efficiency, power factor, pull-out torque and so on. The achievement that has value in the Engineering is obtained.

作为国家重点科技攻关项目&高性能稀土永磁电机的研究与开发&的一个子课题，本文围绕风机、泵类负载用超高效永磁同步电动机设计中的效率、功率因数、失步转矩等几个关键问题进行了研究，取得了工程上具有使用价值的成果。

To promote the research and application of permanent magnet synchronous motor traction system of China's urbar rail rolling stock,the application and design characteristics of PMSM,the control techniques and efficiency optimization ways of system are overviewed by discussing the current research all over the world.

为促进我国城轨车辆用永磁同步电机牵引系统的理论研究与应用，结合国内、外研究现状，对城轨车辆用永磁同步电机的应用和设计特点，以及系统的控制技术和效率优化方法等进行了综述。

A simulation research is conducted on the example of six-phase double star winding shifted by 30°synchronous motor.In order to investigate the control algorithm of multilevel inverter , high harmonics as well as its problems, a mathematical model of the control algorithm based on the voltage space vector is built. For the first time, the principle along boundary is introduced to confirm the chosen switch state when many switch states are corresponding to the same vector. Simulation analysis and hardware realization are conducted with the combination of diode clamped three-level inverter and five-level inverter.

建立了基于空间电压矢量控制算法的仿真模型；仿真研究中采用对偶小矢量搭配改善中点电位波动的问题；针对多个开关状态对应同一待选矢量的问题引入&循边原则&确定被选择的开关状态；对过调制问题进行了相应的处理：结合二极管嵌位式三电平逆变器和五电平逆变器进行了仿真分析和硬件实现。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！