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Impact of Static Air-Gap Eccentricity Fault on Synchronous Generator Efficiency

Author

Listed:
  • Yu-Ling He

    (Hebei Key Laboratory of Electric Machinery Maintenance and Failure Prevention, Baoding 071003, China)

  • Ling Tang

    (Hebei Key Laboratory of Electric Machinery Maintenance and Failure Prevention, Baoding 071003, China)

  • Kai Sun

    (Hebei Key Laboratory of Electric Machinery Maintenance and Failure Prevention, Baoding 071003, China)

  • Wen-Hao Zhang

    (Hebei Key Laboratory of Electric Machinery Maintenance and Failure Prevention, Baoding 071003, China)

  • Xue-Wei Wu

    (Hebei Key Laboratory of Electric Machinery Maintenance and Failure Prevention, Baoding 071003, China)

  • Hai-Peng Wang

    (Hebei Key Laboratory of Electric Machinery Maintenance and Failure Prevention, Baoding 071003, China)

Abstract

This paper presents a precise analysis of the efficiency characteristic of the synchronous generator under both normal and SAGE conditions. In this work, various losses of the synchronous generator are computed by the qualitative theoretical model and the finite element analysis in detail. Further, the generator efficiency model is proposed according to the relationship between the output power and the loss. The presented model is verified in a 5-kW non-salient synchronous generator. The result demonstrates that the loss increases and the efficiency reduce as the SAGE intensifies.

Suggested Citation

  • Yu-Ling He & Ling Tang & Kai Sun & Wen-Hao Zhang & Xue-Wei Wu & Hai-Peng Wang, 2023. "Impact of Static Air-Gap Eccentricity Fault on Synchronous Generator Efficiency," Energies, MDPI, vol. 16(7), pages 1-15, April.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:7:p:3294-:d:1117684
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