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Permanent Magnet Synchronous Motor Overload Characteristics and Control Strategy
Author(s): 
Pages: 10-15
Year: Issue:  5
Journal: S&M Electric Machines

Keyword:  永磁同步电动机 过载特性 最大转矩 弱磁;
Abstract: 从永磁电机过载故障的原因入手,分析了永磁同步电动机(PMSM)在恒转矩区的最大转折速度,提出一些通过电机参数优化来改善永磁电机过载性能的方法。由于电机最大恒转矩值越大转折速度越小,因此提出了最大转矩/电流(MTPA)与弱磁控制策略相结合的方法,通过弱磁最大转矩使电机在恒转矩区的转折速度达到更大,从而提高PMSM的过载能力。
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