永磁超环面电机电感方程建立及参数分析

Establishment of the Inductance Equation and Parameter Analysis for Permanent Magnetic Toroidal Motor

基于永磁超环面电机的特殊结构,分析了永磁超环面电机的结构特点,在蜗杆内定子电流分量方向建立了其对应的三相绕组坐标系,完成了永磁超环面电机电感参数的解析计算,推导了其螺旋升角的正弦值和余弦值随行星架转子转角的变化关系式,分析了螺旋升角和漏感对电感方程的影响,简化了电感方程。研究结果为该种空间电机电感参数的分析拓展了思路,也为永磁超环面电机的建模和控制提供了理论依据。

Based on the special structure of permanent magnet toroidal motor,the structural characteristics of the permanent magnet toroidal motor were analyzed,a three phase winding coordinate system was established in the right view direction of the worm equivalent pitch circle and the positive view of the central worm and planet wheel.The analytical calculation of the inductance parameters of the permanent magnet toroidal motor was completed,the relationship between the sine and cosine values of the inner spiral angle with planet frame angle was deduced,the influence of the helix angle and leakage inductance on the inductance equation was analyzed,the inductance equation was simplified.The results extends the thinking for the analysis of the inductance parameters of special motors,it also provide a theoretical basis for the modeling and control of permanent magnet toroidal motor.