Abstract:Energy efficiency improvement in variable speed motor drives is of widespread interest because of the rising cost of energy. Permanent magnet synchronous motor (PMSM) drives are especially favored in variable speed applications due to their high efficiency of operation. This research focuses on improving efficiency of the PMSM drive system by reducing the switching frequency of the inverter driving the motor. At reduced switching frequencies, programmed pulse width modulation methods that results in eliminatio… Show more
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