Analysis of stator winding interturn short circuit considering rotor static eccentricity in doubly fed induction generator

Yuechuan Wang

doi:10.1117/12.2686130

28 July 2023 Analysis of stator winding interturn short circuit considering rotor static eccentricity in doubly fed induction generator

Yuechuan Wang

Author Affiliations +

Proceedings Volume 12756, 3rd International Conference on Applied Mathematics, Modelling, and Intelligent Computing (CAMMIC 2023); 1275653 (2023) https://doi.org/10.1117/12.2686130
Event: 2023 3rd International Conference on Applied Mathematics, Modelling and Intelligent Computing (CAMMIC 2023), 2023, Tangshan, China

Abstract

This article analyzes the inherent mixed eccentricity of the Doubly Fed Induction Generator（DFIG） rotor caused by incomplete alignment in practical applications, and studies the impact of the inherent mixed eccentricity faults. An ideal motor model and a practical motor simulation model considering the inherent mixed eccentricity of the rotor were built using Ansoft Maxwell 2D electromagnetic field finite element analysis software. Frequency spectrum analysis was performed in currents and electromagnetic torque of two models. The simulation results show that the inherent mixed eccentricity of the rotor may cause characteristic frequencies similar to those of the rotor winding inter-turn short-circuit faults in the rotor line current and electromagnetic torque, which may lead to misdiagnosis of inter-turn short-circuit faults.

Citation Download Citation

Yuechuan Wang "Analysis of stator winding interturn short circuit considering rotor static eccentricity in doubly fed induction generator", Proc. SPIE 12756, 3rd International Conference on Applied Mathematics, Modelling, and Intelligent Computing (CAMMIC 2023), 1275653 (28 July 2023); https://doi.org/10.1117/12.2686130

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