开关磁阻电机的电磁参数设计与研究

Design and Research on Electromagnetic Parameters of the Switched Reluctance Motor

对开关磁阻电机的理论进行了阐述,介绍了开关磁阻电机的基本结构,系统的阐述了开关磁阻电机的双凸极结构和磁通沿磁阻最小路径闭合的工作原理,对于开关磁阻电机旋转过程中的定子绕组A、B、C、D四相通电顺序做了详细论述,以及通电顺序对电机转动方向的影响,给出了电机的转速方程,介绍了开关磁阻电机的基本方程,包括电动势平衡方程和转矩平衡方程,对开关磁阻电机的损耗计算做了简单的分析,分析了各种损耗的主要来源,并给出了各损耗计算的方法及计算公式。

This paper describes theory of the switched reluctance motor,introduces basic structure of the motor,and systematically expounds double-salient structure and working principle of magnetic flux closing along the minimum magnetic resistance path.The electrifying sequences of A-,B-,C-and D-phase stator windings of switched reluctance motor in rotating process and the influence of electrifying sequences on rotating direction are discussed in detail.The rotating speed equation of motor is given,the basic equations of the motor including EMF balancing equation and torque balancing equation are introduced,and the simple analysis on loss calculation of the motor is carried out.The main source of various losses are analyzed,and the method and calculation formulas of the losses are given.