1、
Winding design and calculation on rotor slot leakage reactance of a 3Y/ 3Y pole-changing motor
3Y/3Y变极电机的绕组设计和转子槽漏抗计算法
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2、
design of wide-ratio pole-changing motor by using single-layer winding and phase changing
用单层绕组和换相法设计远极比变极电机
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3、
4、
The driving motor is of watertight, triple phases, pole-changing, squirrel-cage type .
驱动马达是水密的 、 三相 、 变极 、 鼠 笼型 的.
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5、
then the speed regulating pole change motor is designed based on the pole-changing principle.
根据变极原理设计了螺杆泵用变极调速电动机.
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6、
vibrations of stator-core of large pole-changing generator-motor for pumped-storage power station
抽水蓄能电站大型变极发电&电动机定子铁心振动分析
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7、
8、
Design and Practice of the Pole-changing Winding of Two speed Draught Fan Motor
送风机用双速电动机变极绕组方案研究及实践
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