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A Method for Balancing a Single-Phase Loaded Three-Phase Induction Generator

Author

Listed:
  • Yaw-Juen Wang

    (Graduate School of Engineering Science and Technology, National Yunlin University of Science & Technology, 123 University Road, Section 3, Douliou, Yunlin 64002, Taiwan)

  • Ming-Hsueh Lee

    (Graduate School of Engineering Science and Technology, National Yunlin University of Science & Technology, 123 University Road, Section 3, Douliou, Yunlin 64002, Taiwan)

Abstract

When a three-phase induction generator (IG) supplies unbalanced loads, its terminal voltages and line currents are also unbalanced, which may cause the IG to overheat and need to be derated. A single-phase loaded self-excited induction generator (SEIG) works under most unfavorable load unbalance conditions. This paper proposes a three-capacitor circuit scheme and a method to find the values of the self-excitation capacitors that allow the SEIG to be balanced. The SEIG is modeled by a two-port network equivalent circuit that resolves the SEIG into its positive- and negative-sequence circuits associated with the self-excitation capacitors and the load. The network can then be analyzed by common AC circuit analysis techniques. Successful results for balancing the SEIG supplying a single-phase load have been achieved by properly choosing the values of the excitation capacitors. The proposed method has also been validated by experiments on a 0.37 kW SEIG.

Suggested Citation

  • Yaw-Juen Wang & Ming-Hsueh Lee, 2012. "A Method for Balancing a Single-Phase Loaded Three-Phase Induction Generator," Energies, MDPI, vol. 5(9), pages 1-16, September.
    • Handle: RePEc:gam:jeners:v:5:y:2012:i:9:p:3534-3549:d:20081
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    Cited by:

    1. Jia Li & Xinzhen Wu & Xibo Yuan & Haifeng Wang, 2019. "Load Capacity Analysis of Self-Excited Induction Generators Based on Routh Criterion," Energies, MDPI, vol. 12(20), pages 1-16, October.

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