Inductance Calculation of Concentrated and Distributed Winding Synchronous Reluctance Motor Using Modified Winding Function Theory

Abstract

This study evaluates the inductance characteristics of synchronous reluctance motors (SynRMs) with concentrated and distributed windings. Two methods based on Winding Function Theory (WFT) are used: the sinusoidal method and the actual winding function method. The actual winding function method, which considers spatial harmonics and actual geometry, is found to be more accurate. The study reveals that the distributed winding SynRM has a higher saliency ratio (2.10) compared to the concentrated winding SynRM (1.58), indicating better performance. These findings contribute to our understanding of SynRM inductance and can guide improvements in motor design and performance. The study also suggests avenues for developing more precise inductance calculation methods for SynRMs, enabling optimized motor performance.