Comparative Research on Four-Phase Dual Armature-Winding Wound-Field Doubly Salient Generator With Distributed Field Magnetomotive Forces for High-Reliability Application

In this article, a four-phase dual armature-winding wound-field doubly salient machine with distributed field magnetomotive forces (DAW-WFDSM-DF) and corresponding double-redundant rectifier circuit are proposed to improve the electromagnetic performance of traditional WFDSM in terms output voltage ripple, fault-tolerant capability capability. Firstly, due uniformly machine, more feasible stator/rotor pole combinations can be obtained influence stator/rotor-pole combination on is investigated, especially for Based multi-objective evaluation function including capability, unbalanced magnetic forces, 4N-stator-pole/3N-rotor-pole (4N/3N) 4N/5N recommended. Then, considering that 8/6-pole poorer than 12/9-pole one, 8/10-pole DAW-WFDSM-DFs comparatively researched taking as representatives 4N/3N 4N/5N, no-load on-load characteristics fault-tolerance under single winding open-circuit condition. Finally, DAW-WFDSM-DF exhibits remarkably higher efficiency stronger an prototype manufactured tested verify analytical results.