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- pole changing starter 换极起动器
- 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;
- 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。
- 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。
- 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
- reversing method of pole changing 反向法变极
- He flew to Europe via the North Pole. 他经由北极飞到欧洲。
- See if you can hook it with this pole. 看看能不能用这根杆子把它捞起来。
- 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。
- What would you like as a starter? 您第一道菜想来点什么?
- YD Series Pole changing Multi-Speed Three Phase Induction Motors YD系列变极多速三相异步电动机
- 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。
- Our school won first place for the pole vault. 我们学校赢得了撑杆跳第一名。
- Pole changing single-winding doubly-fed commutator machine 变极单绕组双馈换向器电机
- I can't see her changing her mind. 我无法想像她会改变主意。
- I know he is a bit up the pole, financially. 我知道他经济上有点拮据。
- He did not rule out changing his mind. 他没有排除改变主意的可能性。
- Qualified in the time trials to start on the pole. 从起跑线内侧开始来测试时间
