摘  要：分析和比较了多种教科书中对“电枢反应”和交流电机绕组“相带”两个概念的论述，提出了新的定义及“极相带”的概念，有助于读者对此概念的深入了解。
关键词：电枢反应；交流电机；异步电机；相带；极相带；绕组

Abstract: Analyzed and compared of the two concepts on armature reaction and AC machine winding pole-phase band in textbooks.Put forward a new definition and the concept of pole-phase band.
Key Words: Armature reaction;AC machine;Asynchronous motor;Phase band;Pole-phase band;Winding