1)  pole-changing windings
变极变速
2)  pole-changing
变极
1.
The CAD system of the three-phase single-winding pole-changing squirrel-cage asynchronous machine;
三相单绕组变极鼠笼式异步电机CAD系统
2.
The Pole-changing Scheme of single-winding Multi-speed Motor;
巧用单绕组多速电机的变极方案
3.
This new type of brushless double-feed machine s rotor is designed by pole-changing method.
这种新型的无刷双馈电机转子采用变极原理设计。
3)  pole changing
变极
1.
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。
2.
The solution and algorithm of reverse current pole changing on the symmetrical block diagram and GA optimizing model are developed.
基于变极绕组设计的对称块图法和遗传优化算法反向法变极的数学模型 ,提出了具体的求解方法及算法 ,给出了详细的计算流程图 ,研制了相应的计算机软件 ,实现了变极绕组设计的计算机自动化 ,实例证明了理论及方法的实用性及先进性 。
3.
A new algorithm has developed which is based on GA and “twin pole pairs slot number phase diagram” Symmetrical block diagram method, and given the description of its mathematical model for reverse current pole changing winding.
基于变极绕组设计的双极对数槽号相位图和对称块图法 ,讨论了变极绕组设计的数学模型 。
4)  variable polarity
变极性
1.
Effect on aluminum-alloy TIG welding quality of double pulse modulated variable polarity waveform;
双脉冲变极性波形对铝合金TIG焊焊接质量的影响
2.
Control of variable polarity pulse MIG welding;
变极性脉冲MIG焊的控制
3.
Study on arc stabilization system of variable polarity pulsed MIG;
变极性脉冲MIG焊稳弧系统研究
5)  Pole-changing control
变极调速
1.
Through the comparison of regulating speed modes used for converter equipments fan motor, it is analyzed and compared between pole-changing control and frequency-changing control from saving energy, regulating mode, utilizing etc.
通过对变流装置用风机电机调速形式的比较,从调速的节能情况、基本原理、调速方式、运用情况等方面对比分析了风机电机的变频调速与变极调速两种调速方法,并结合实际经验提出了两种调速方法各自适用的场合,以期在保证产品质量的同时,简化调速结构,提高通风质量,缩短研制周期,降低研发成本,加快变流器的研制工作。
6)  pole-changing windings
变极绕组
1.
A new method of designing pole-changing windings of AC machines-The reversing-phase interchange method;
交流电机变极绕组设计新方法——反向-换相法
2.
How to use two pole-pair slot-number phase graph to design two-layer pole-changing windings with far pole ratio(72 slots 4/32 poles is taken as example)is described.
以72槽4/32极绕组为例,详细介绍了如何利用双极对槽号相位图设计双层远极比变极绕组的方法。
参考词条
补充资料:极变
1.谓极尽变化之能事。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。