Three-speed pole-selectable windings.

Abstract

New three-speed pole-switchable windings with a ratio of 10/8/4 pole numbers and external communication schemes are presented, as well as results of an analysis of the electromagnetic and electromechanical properties of a four-speed asynchronous 4AM225M electric motor with a ratio of pole numbers of 10/8/6/4 when using a three-speed pole-selectable circuit windings.