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Asynchronous motor based on toroidal winding and its pole-phase modulation
Author(s): 
Pages: 36-40,47
Year: Issue:  7
Journal: Electric Machines and Control

Abstract: 针对异步电机变频调速时铁心损耗偏大、匝间绝缘易老化而变极调速中绕组浪费、需断电变极等问题,提出基于环形绕组的异步电机极相调制方法.对环形绕组电机和极相调制方法进行分析,并对环形绕组电机在采用极相调制时的定子磁场进行解析计算与有限元仿真,以证明其定子磁场建立的可行性.仿真结果表明:该方法能够克服变频与变极调速系统的各自缺点,可使电机在不断电的情况下实现极数与相数的改变,使得电机能够提供更大的输出转矩...
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