高速永磁无刷电机设计与控制系统研究

High-speed permanent magnet motor design and control system of brushless

永磁无刷电机具有结构简单、无励磁损耗、效率高等特点,适合高速场合。目前,高速永磁无刷电机已经在一些电动汽车中得到实际应用,并且在分布式发电供电系统中显示了其价值和重要性。通过对高速永磁无刷电机设计的关键性问题的探讨、对高速永磁无刷电机控制系统的研究得出,高速电机的转速非常高,而且其功率的密度非常大,其几何尺寸小于其输出功率相同的低速电机,这些特征使得它在工业领域受到了广泛的关注和应用。

Permanent magnet brushless motor has a simple structure , no excitation loss, high efficiency, suitable for high speed applications. Currently, high-speed permanent magnet brushless motor has been applied in a number of electric vehicles, and has demonstrated its value and importance in distributed power generation and distribution systems. By discussing the key issues of high-speed permanent magnet brushless motor design, the study of high-speed permanent magnet brushless motor control system derived, high-speed motor speed is very high, and its power density is very large, and its geometry is less than its the same output power low-speed motor, these features make it in the industrial sector has been widespread concern and applications.