与传统的电励磁电动机相比,永磁电动机特别是稀土永磁电动机具有结构简单、运行可靠、体积小、质量小、损耗少、效率高,以及电动机的形状和尺寸可以灵活多样等显著优点,因为应用范围极为广泛,几乎遍及航空航天、国防、工农业生产和日常生活的各个领域。
根据永磁无刷电动机制动过程P WM控制的开关管的方式不同,可以分为半桥调制制动方式和全桥调制制动方式。
According to the different PWM module in regeneration of brushless PM motor, there are two kinds of modulation, half bridge modulation and whole bridge modulation.
依据永磁无刷直流电动机的数学模型及其转矩特性,分析了转矩脉动产生的多种原因,并介绍了各种有效的控制策。
According to the mathematical model and torque characteristics of permanent magnet brushless DC motor, the reasons that give rise to torque ripple have been analyzed in this paper.
阐述一种用于全电飞机机电作动系统的双绕组永磁无刷直流电动机。
A permanent magnet brushless DC motor was presented, which will be used for a Electro-Mechanical Actuator (EMA) in a All-Electric Aircraft(AEA).
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