摘要：利用磁路计算法设计了一台双电压航空永磁同步发电机，电机指标达到设计要求。并利用有限元法分析了发电机在稳态、动态输入及动态输出等不同工况下电机电压及电流的变化情况。研究对于提高双电压航空永磁同步发电机设计水平，掌握双电压航空永磁同步发电机的运行特性有着重要的意义。
关键词：双电压；永磁同步发电机；电磁设计；有限元

Abstract: In this paper ,a dual voltage aeronautics permanent magnet synchronous generator was designed based on magnetic circuit calculation method and the performance index of machine meets design requirements. Finite element analysis was performed to analyze the change of voltage and current under different operating modes, such as steady mode, dynamic input mode and dynamic output mode. The research presented in this paper is useful for improving the design precision and mastering the operating characteristic of dual voltage aeronautics permanent magnet synchronous generator.
Key words: dual voltage；permanent magnet synchronous；electromagnetic design；FEA