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- According to the actual working condition of the electric motor on ground drive screw pump, two kinds of new motors are proposed, that is the gearshift multi-power single speed motor and speed regulating pole change motor. 摘要根据地面驱动螺杆泵电动机的实际工况，提出了分挡多功率单速和变极调速2种新的电动机设计方案。
- pole change motor 换极电动机
- pole changing motor 变极电动机
- The shadow of the bamboo pole changes as the sun moves. 竹竿的影子便随着太阳的移动而变化。
- The paper introduces the DSP control of brushless DC motor, and the principle, management as well as software correcting of CEMF pole changing. 本文介绍了无刷直流电机的DSP控制,详细介绍了在无刷直流电机控制中反电势检测换相的原理; 反电势、电流检测的管理;
- To be reversed any two wire can be changed motor direction. 调换任意两相接线即可改变电机旋转方向。
- Please examine the wiring of the encoder cables. If anything is wrong with it, then please change motors. 请检查编码器电缆。如果电缆没有问题，请更换马达。
- In the gap magnetic field of pole changing synchronous machine,there would be large harmonics,which have some effects on the operating performance of the machine. 由于变极同步电机气隙磁场中将存在较大的谐波,这些磁场谐波对电机运行性能将产生一些影响。
- We also supply series YVF2 frequency changing motor and series YD changing motor. YVF2系列的变频调速电机和YD变极变速电机，上述各系列电机本厂均可提供。
- He flew to Europe via the North Pole. 他经由北极飞到欧洲。
- A Study on Improving the Performance of Pole Change of High-speed Direct-current Motor 高速直流电动机改善换向性能的研究
- See if you can hook it with this pole. 看看能不能用这根杆子把它捞起来。
- Based on analysis of the ampere conductor harmonics of pole changing windings and the adjusting wave with Fourier Transformation,a discussion has been done in the paper on the symmetry,M. M. F. 在用傅氏变换分析变前极绕组安导波及其调制波基础上 ,讨论了用逐相安导调制法得到的变后极绕组的对称性、磁势谐波含量、磁势主波旋转方向及变极方案择优等
- He had to make a quick change at Shanghai. 他不得不在上海匆忙换车。
- Take a change of clothes with you. 把你替换的衣服带去吧。
- He cut the iron pole to the size he wanted. 他把铁杆锯成他需要的尺寸。
- He had put up a basket on a pole in the back yard. 他在后院一根柱子上安一个球篮。
- A red flag slowly went up the pole. 一面红旗徐徐升起。
- He was hostile to any change in our plan. 他反对我们计划中的任何改变。
- Our school won first place for the pole vault. 我们学校赢得了撑杆跳第一名。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
