Low Carrier Wave Ratio Modulation Strategy of Permanent Magnet Synchronous Motor Based on Metro Traction System: A Comparative Study
CPSS Transactions on Power Electronics and Applications（2022）
摘要
Aiming at the poor performance of permanent magnet synchronous motor (PMSM) under low carrier wave ratio synchronous modulation caused by low switching frequency of power devices, a pulse width modulation (PWM) analysis method based on the mathematical model of PMSM is proposed. A comparative study of selective harmonic elimination pulse width modulation (SHEPWM) and central 60 degree modulation i...
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关键词
Central 60 degree modulation,permanent magnet synchronous motor (PMSM),pulse width modulation,selective harmonic elimination pulse width modulation (SHEPWM)
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