Electrical equivalent circuit models for brushless doubly-fed induction machines: A review

Hamidreza Mosaddegh-Hesar, Xiaodong Liang, Mohammad-Ali Salahmanesh, Salman Abdi, Richard McMahon

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Abstract

A Brushless Doubly-Fed Induction Machine (BDFIM) has wide application potential in wind turbines, industrial drives, small hydro power plants, power supply of ships, aircraft starters, and electric vehicles. In electric vehicles, a BDFIM offers a robust structure without needing permanent magnet materials, slip-rings, and brushes, which makes it particularly suitable for heavy vehicles, such as buses, agriculture and construction vehicles, where the low power density of a BDFIM is of less significance compared to that in passenger cars. To effectively analyze and control a BDFIM in various applications, it is essential to develop its accurate electrical equivalent circuit models. This paper presents a comprehensive review on various electrical equivalent circuit models of BDFIMs in the literature with different level of complexity. A full order model is complex, but can represent the complete electrical behavior of a BDFIM. By simplifying the full order model and neglecting certain parameters, a reduced order model requires fewer state variables due to practical approximations. Dynamic behavior of BDFIMs under various operating conditions are demonstrated in the paper to showcase the effectiveness of these existing models. This review emphasizes the significance of electrical equivalent circuit models in the design, analysis and control of BDFIMs. Future research directions for the model refinement are recommended.
Original languageEnglish
JournalIEEE Transactions on Transportation Electrification
Early online date31 May 2024
DOIs
Publication statusE-pub ahead of print - 31 May 2024

Keywords

  • Brushless doubly fed induction machine
  • electrical equivalent circuits
  • full order model
  • iron losses
  • magnetic saturation

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