Optimal winding selection for wound-rotor resolvers

Document Type : Article

Authors

1 Department of Electrical Engineering, Sharif University of Technology, Tehran, Iran

2 Department of Electrical Engineering, Iran University of Science and Technology, Tehran, Iran

Abstract

Wound-rotor (WR) resolvers are the most commercially used resolvers in industrial applications. In this paper, the effect of different winding arrangements on the accuracy of WR resolvers is discussed. Three windings are proposed for the stator of the resolver that are involved on-tooth overlapping winding, distributed lap winding and distributed concentric winding. Those windings are also applied to the rotor. All the rotor windings are assumed to be single phase and two-phase. Therefore, the effect of damper winding is also studied in the paper. The analysis is done using time stepping finite element method and the most accurate resolver is built and tested. Close agreement between the experimental measurements and the finite element results confirms the obtained results.

Keywords

Main Subjects


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