The performance comparison of SPMSM, IPMSM and SynRM in use as air-conditioning compressor

This paper reports results on the performance comparison of highly-efficient reluctance motors, in which performance was compared in use as an air-conditioning compressor. The compared motors were a SynRM (synchronous reluctance motor), SPMSM (surface permanent magnet synchronous motor), IPMSM (interior permanent magnet synchronous motor) and a conventional IM (induction motor). It was found that the IPMSM was superior in terms of efficiency, and SynRM was the lowest cost. Its efficiency was also higher than the typical IM.