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1、车用永磁式缓速器制动力矩的计算方法论文.freelin)左手法则来判断,阻力的合力沿转子鼓周向形成与其旋转方向相反的制动力矩,见图3;同时涡流在具有一定电阻的转子鼓内部流动时,会产生热效应而导致转子发热,这样,车辆行驶的动能就通过感应电流转化为热能,并通过转子鼓上的叶片产生的风力将热量迅速散发出去。3应用复矢量磁位计算制动转矩图4、5分别是永磁式缓速器的定子结构、定子和转子相对位置示意图。4实例分析1200N·m永磁式缓速器结构参数如下:转子鼓的外径r2为222mm;内径r1为212mm;厚度δ为10mm;气隙ge为1.4mm,外界环境温度为293K,转子鼓材料为电工纯
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