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Influence of ferromagnetic bridges in dq-equivalent-circuit modeling of interior permanent-magnet machines

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Abstract
To reach energy efficiency goals the demand to high efficient motors, among which Permanent Magnet Motors, is increasing. In order to analyze and to predict the performance, equations based on equivalent circuits are generated. Lumped parameters have to be estimated and for simplicity often coarse assumptions are made, affecting the accuracy of the model. In this paper flux-linkage and inductance variations in (Line-Start) Interior Permanent-Magnet Synchronous Machines are discussed. Attention is given to the influence of the behavior of the ferromagnetic material caused by load angle and current variations and more specific to the geometric design parameters, in particular to the magnetic conductance of the bridges. Finite Element Method is used for parameter estimations and detailed magnetic field research.
Keywords
parameter estimation, line-start, interior permanent-magnet machines, inductances, Finite Element Methods, dq-equivalent circuit, ferromagnetic bridges, SYNCHRONOUS MOTORS

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MLA
Wymeersch, Bart, et al. “Influence of Ferromagnetic Bridges in Dq-Equivalent-Circuit Modeling of Interior Permanent-Magnet Machines.” 2014 INTERNATIONAL CONFERENCE ON ELECTRICAL MACHINES (ICEM), IEEE, 2014, pp. 1238–42, doi:10.1109/ICELMACH.2014.6960340.
APA
Wymeersch, B., De Belie, F., Rasmussen, C. B., Jensen, F., & Vandevelde, L. (2014). Influence of ferromagnetic bridges in dq-equivalent-circuit modeling of interior permanent-magnet machines. 2014 INTERNATIONAL CONFERENCE ON ELECTRICAL MACHINES (ICEM), 1238–1242. https://doi.org/10.1109/ICELMACH.2014.6960340
Chicago author-date
Wymeersch, Bart, Frederik De Belie, Claus B Rasmussen, Finn Jensen, and Lieven Vandevelde. 2014. “Influence of Ferromagnetic Bridges in Dq-Equivalent-Circuit Modeling of Interior Permanent-Magnet Machines.” In 2014 INTERNATIONAL CONFERENCE ON ELECTRICAL MACHINES (ICEM), 1238–42. IEEE. https://doi.org/10.1109/ICELMACH.2014.6960340.
Chicago author-date (all authors)
Wymeersch, Bart, Frederik De Belie, Claus B Rasmussen, Finn Jensen, and Lieven Vandevelde. 2014. “Influence of Ferromagnetic Bridges in Dq-Equivalent-Circuit Modeling of Interior Permanent-Magnet Machines.” In 2014 INTERNATIONAL CONFERENCE ON ELECTRICAL MACHINES (ICEM), 1238–1242. IEEE. doi:10.1109/ICELMACH.2014.6960340.
Vancouver
1.
Wymeersch B, De Belie F, Rasmussen CB, Jensen F, Vandevelde L. Influence of ferromagnetic bridges in dq-equivalent-circuit modeling of interior permanent-magnet machines. In: 2014 INTERNATIONAL CONFERENCE ON ELECTRICAL MACHINES (ICEM). IEEE; 2014. p. 1238–42.
IEEE
[1]
B. Wymeersch, F. De Belie, C. B. Rasmussen, F. Jensen, and L. Vandevelde, “Influence of ferromagnetic bridges in dq-equivalent-circuit modeling of interior permanent-magnet machines,” in 2014 INTERNATIONAL CONFERENCE ON ELECTRICAL MACHINES (ICEM), Berlin, Germany, 2014, pp. 1238–1242.
@inproceedings{5774633,
  abstract     = {{To reach energy efficiency goals the demand to high efficient motors, among which Permanent Magnet Motors, is increasing. In order to analyze and to predict the performance, equations based on equivalent circuits are generated. Lumped parameters have to be estimated and for simplicity often coarse assumptions are made, affecting the accuracy of the model.
In this paper flux-linkage and inductance variations in (Line-Start) Interior Permanent-Magnet Synchronous Machines are discussed. Attention is given to the influence of the behavior of the ferromagnetic material caused by load angle and current variations and more specific to the geometric design parameters, in particular to the magnetic conductance of the bridges. Finite Element Method is used for parameter estimations and detailed magnetic field research.}},
  author       = {{Wymeersch, Bart and De Belie, Frederik and Rasmussen, Claus B and Jensen, Finn and Vandevelde, Lieven}},
  booktitle    = {{2014 INTERNATIONAL CONFERENCE ON ELECTRICAL MACHINES (ICEM)}},
  isbn         = {{9781479947751}},
  keywords     = {{parameter estimation,line-start,interior permanent-magnet machines,inductances,Finite Element Methods,dq-equivalent circuit,ferromagnetic bridges,SYNCHRONOUS MOTORS}},
  language     = {{eng}},
  location     = {{Berlin, Germany}},
  pages        = {{1238--1242}},
  publisher    = {{IEEE}},
  title        = {{Influence of ferromagnetic bridges in dq-equivalent-circuit modeling of interior permanent-magnet machines}},
  url          = {{http://doi.org/10.1109/ICELMACH.2014.6960340}},
  year         = {{2014}},
}

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