与PAM(极幅调制)理论相比，最小对称组理论可更有效地实现交流电机变极绕组非正规方案。
Compared with PAM (pole Amplitude Modulation) theory, the minimum symmetric group theory is more effective in implementation of ac machine pole-changing winding's non-regular arrangements.
基于上述三相交流电弧炉电路模型，分析了电流不对称和阻抗不对称对电弧功率的影响，并讨论了交流电弧炉三相电参数互相影响的复杂性。
The influences of the asymmetry of current and impedance on the arc voltage and power were analyzed, and the investigation complexity was also discussed.
文章通过对绘制交流电机定子绕组展开图过程的分析，提出统一绘制三相对称绕组展开图的程序。
This paper introduces the judgement way of homonymous ends of three-phase windings about out of sync motor in cub modal , and analyses its principle .
首次提出了交流电机绕组△／带尾△接法的换相变极的对称条件，并利用双极对槽号相位图对之进行了严密的论证。
The position of the second order phase transition points for the stationary black holes has been argued by many authors recently.
首次提出了交流电机绕组△／带尾△接法的换相变极的对称条件，并利用双极对槽号相位图对之进行了严密的论证。
The position of the second order phase transition points for the stationary black holes has been argued by many authors recently.
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