异形励磁结构稀土永磁航空直流电动机

On Special Excitation Structure to Improve Aeronautical REPM DC Motor

异形励磁结构稀土永磁航空直流电动机芦刚，李声晋，马瑞卿，李钟明和普通电励磁电机相比，稀土电机具有高效率、高功率密度、工作特性好等优点，但能否广泛应用于航空航天领域，有一系列问题尚待解决，其中较关键的问题有励磁结构的可靠性、稀土磁钢的性能稳定性及良好的...

REPM(rare earth permanent magnet) motor possesses well known advantages overconventional motor.But to rnakc its use widespread in aerospace industry,a series ofproblems should be solved,among which the more important ones are'reliability ofREPM excitation structure,stability of magnet performance, and improvement ofhigh-altitude commutation.The solution of the first two important problems and the preliminary solution of thethird one are presented in this paper.The distinguishing feature of the special excit...