The magnetic network model of hybrid step motor is established according to the airgap late permeance method, and the expression of the harmonic back EMF is deduced.
利用气隙比磁导法建立了混合式步进电动机的磁网络模型,推导出谐波反电势的表达式。
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The paper puts forward a hybrid magnetic circuit multi couple electric machine that compensates for the uneven airgapmagnetic field of the hybrid stepping motor.