Some typical winding schemes for far pole-ratio pole-changing machines are proposed in view of judging factor, and the analysis and experimental study of these schemes are shown.
基于判断系数观点，本文提出了用于生产实际中的远极此单绕组双速电机的一些典型方案，同时对这些方案进行了分析及试验验证。
The paper presents a method to design wide-ratio pole-changing motor by using single-layer winding and phase changing.
本文介绍了用单层绕组和换相法设计远极比变极电机的方法。
The paper analyses the current transformer (ct) that secondary winding possesses casing tap, and its secondary connector wiring fault's influence on the ct changing rate.
文章分析了二次绕组带有抽头的套管电流互感器(CT)，其二次端子接线错误对CT变比的影响。
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