查询词典 electric motor

In the homopolar motor shown on the below, the electric current produced by the battery moves radially through the disk magnet, which has a magnetic field along its longitudinal axis.

在homopolar电机显示在下面，电流所产生的电池的举动径向通过磁盘磁铁，其中有一个磁场沿其长轴。

The control system includes detector circuit, protection circuit, control and man-machine interface circuit, which makes full use of DSP resources for high reliability and simplified the construction of system. The fifth section provides system software design, In order to read and maintain easy, a microprogramming modular is adopted. A new control strategy of Fuzzy voltage PWM combined Fuzzy angle control is realized for improving motor s working efficiency. At the same time, it simplify control model of SRM, reduce cost. At last, the result of experiment testify it, the electric machine gain success of simultaneous electrify two phase loop, the timing range is

第五部分为系统软件设计，采用模块化设计，增强了系统的可读性与可维护性；根据SR电机的特点，实现了模糊变角度电压PWM控制，避免了在单纯电压PWM方式下，电机高速时效率下降较大的缺点，也避免了在采用电流斩波与角度位置复合控制时方式转换所带来的弊端，同时也简化了控制，降低了成本；最后给出实验结果，实现了电机的双相稳定运行和良好调速，调速比达40：1。

The main products included vertical mill, wheel house and other 30 kinds of automobiles accessories, air compressor fittings, lead-acidbattery used for car, motor, electric bicycle etc., which are selling well all over the country.(1) Strong ability to research and exploit.

主要产品有立式磨机、上汽通用五菱汽车配件前轮罩板集合总成等30余种汽车配件、空压机配件、柳工机械90余种配件和阀控式密封蓄电池、汽车蓄电池、摩托蓄电池、电动车蓄电池等，产品畅销全国各地市场。

The main products included vertical mill, wheel house and other 30 kinds of automobiles accessories, air compressor fittings, lead-acid battery used for car, motor, electric bicycle etc., which are selling well all over the country.(1) Strong ability to research and exploit.

主要产品有立式磨机、上汽通用五菱汽车配件前轮罩板集合总成等30余种汽车配件、空压机配件、柳工机械90余种配件和阀控式密封蓄电池、汽车蓄电池、摩托蓄电池、电动车蓄电池等，产品畅销全国各地市场。

To submit contents based on CPLD/FPGA 's PWM because electric circuit has structure simple, and realize that is apt to realize good, and in detail system analyzed work principle of module each, and offered simulation waveform, and direct current motor proved his accuracy through inside application while the modificatory thing is systematic fast.

本文提出的基于CPLD/FPGA 的PWM实现电路具有结构简单、容易实现等优点，并详细分析了系统各模块的工作原理，给出了仿真波形，通过在直流电机调速系统中的应用证明了其正确性。

A slip frequency control system of asynchronous motor used DSP as control center is presented, which apply to the electric tourist car.

介绍一种以DSP为控制核心的异步电动机转差频率控制系统在电动游览车中的应用。

The corporation introduced low voltage electric manufacture technology from Siemens, and is authorized to manu-facture three series of products of Siemens motor control center.

公司引进西门子低压电气制造技术，授权制造德国SIEMENS马达控制中心的三个系列产品。

Its electric motors can produce a maximum of 9 kilowatts, or 12 horsepower—which is about the same as the Wright brothers had. With all four engines at full power, HB-SIA is only as powerful as a motor scooter.

电动机最高功率达到9千瓦或12马力，大约和怀特兄弟曾经达到的功率一样。4个引擎全功率运转，HB—SIA的功率也只能和小型摩托车一样大。

In view of the uncertain load disturbances and parameter variations and so on, the disturbance restraint performance of the six-phase synchronism motor control system for the ship electric propulsion is improved under the robust control theory.

在船舶的空间运动模型和螺旋桨四象限模型的基础上，综合考虑船舶和螺旋桨地相互作用，建立了船桨一体化的运动模型，并结合六相同步电功机控制系统仿真研究船舶电力推进六相同步电动机控制系统典型工况下的运行性能。

With development of power electronic technology, power converters have been used widely in switching power supply, motor-driven and controlled, compensate of transmission-line system of electric power and harmonious wave manage.

随着电力电子技术的发展，功率变换器在开关电源、电机驱动控制、电网的无功补偿和谐波治理等领域得到广泛的应用。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。