article · IEEE Transactions on Industry Applications
Non-overlap windings present an attractive option to reduce production costs amongst others. However, it is well-known that these windings have a high amount of magnetomotive force harmonic content that negatively affects machine performance, especially in terms of torque ripple. For wind energy conversion, low torque ripple is a stringent requirement. This study performs an analysis of various winding configurations of a non-overlap winding of a 3 MW 16/18 pole/slot wound rotor synchronous generator. The winding configurations considered provide improved machine performance in comparison with a conventional non-overlap winding. Finite element analysis is used to theoretically predict the performance of the winding configurations and a comparative study is conducted. Further assessment in the form of fault-tolerance is performed to determine the robustness of the machines. The theoretical results are finally supported by practical measurements to validate the designs.
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DOI: 10.1109/tia.2024.3479164
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