自起动永磁同步电动机的计算分析与设计

Calculation and Design of Self-Starting Permanent Magnet Synchronous Motor

摘要: 永磁同步电动机具有功率因数高、效率高，在许多场合开始逐步取代最常用的交流异步电机，是一种很有前途的节能电机。文章分析和计算内容包括永磁同步电动机的工作原理、永磁材料性能参数、其特点及选用原则、永磁同步电动机的结构、永磁同步电动机的稳态性能、自起动永磁同步电动机的主要参数、自起动永磁同步电动机的起动过程。最后阐述了永磁同步电机设计内容：1) 确定设计任务；2) 选取电机初始设计参数；3) 校核电机性能指标；4) 调整电机有关参数；5) 确定电机设计方案。

Abstract: Permanent magnet synchronous motor (PMSM) has high power factor, high efficiency, and in many occasions began to gradually replace the most commonly used AC induction motor, which is a promising energy-saving motor. The analysis and calculation of the article include the working principle of PMSM, the performance parameters of permanent magnet material, its characteristics and selection principle, the structure of PMSM, the steady-state performance of permanent magnet synchronous motor, the main parameters of permanent magnet synchronous motor, self-starting PMSM starting process. Finally, the design contents of permanent magnet synchronous motor are expounded: 1) to determine the design task; 2) to select the motor initial design parameters; 3) to check the motor performance indicators; 4) to adjust the motor parameters; 5) to determine the motor design.