This paper introduced in brief on the present situation of wind model asynchronons motor, the characteristic of non-brush and non-ring resister, work principle and applied situation in alumina plant.

• 本文简述了绕线式异步电动机的应用现状,无刷无环变阻器的产品结构特点、工作原理,以及在氧化铝厂的推广使用状况。