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- 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
- Calculated Method of Extra Circulation Losses in Novel Multi-Star Phase Shafted Pole Changing Windings 新型多星形移相变极电机中定子绕组附加环流损耗的计算方法
- Analysis of M. M. F. Harmonics for Pole Changing Windings by Ampere-Conductor-Adjusting Method with Fourier Transformation and Optimization of Pole-Changing Windings 用傅氏变换分析逐相安导调制变极绕组磁势谐波及变极方案择优
- Calculation of Parallel Branch Number and Equivalent Winding for Compound Pole Changing Winding 反向与换相混合变极绕组的并联支路数算法及等效绕组
- 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;
- 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。
- SWF-S double fast series, but gearshift moves, use at changing wind force, change the circumstance of wind pressure. 4.;SWF-S双速系列;可变速运行;用在变风力;变风压的场次。
- In changeful wind conditions and load fluctuation maximizes the stability of shaft output. 在风力和负载变化的情况下，能最大限度保持机械轴的输出稳定性。
- reversing method of pole changing 反向法变极
- Excess current of transformer tap changing winding is limited by controlling the switching of mutual repulsive thyristors at the instantaneous of current passing zero. 采用电流在过零点的瞬间来控制互斥晶闸管组的通断以实现有载调压过程限制调压绕组过电流。
- The wind whirled the dead leaves about. 风吹得枯叶在四处回旋。
- He flew to Europe via the North Pole. 他经由北极飞到欧洲。
- The wind was whispering in the trees. 一阵风穿过树林沙沙作响。
- The boat heeled over in a strong wind. 船在强风吹袭下倾侧了。
- The shutters thumped the wall in the wind. 在风中百叶窗砰砰地碰在墙上。
- 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。
- 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。
