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Influence of supply voltage distortion on the energy efficiency of line start permanent magnet motors

Colin Debruyne (UGent) , Peter Sergeant (UGent) , Stijn Derammelaere (UGent) , Jan Desmet (UGent) and Lieven Vandevelde (UGent)
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Abstract
Similar to standard three phase direct on line induction motors are three phase line-start permanent-magnet machines (LSPMMs) susceptible to grid voltage distortion. Although straight forward adaptation of harmonic loss mechanisms for standard squirrel-cage induction motors to LSPMMs seems appropriate, this study will indicate that harmonic loss calculations of induction machines are unsuitable to give accurate or even reasonable estimations of the influence of supply voltage distortion on the energy efficiency of LSPMMs. This research will specifically address the interaction of rotor-induced harmonic currents. Finite-element modeling is used in order to address the effect of supply voltage distortion on the segregated losses of an LSPMM. Finite-element modeling (FEM) allocates the majority of the harmonic loss to the rotor and shows shifting the relative phase angle between identical magnitudes of superimposed supply distortion of fifth and seventh order can result in a 30% reduction of rotor loss and 0.5 percentage points in overall energy efficiency. The results obtained by FEM are validated by practical measurements.
Keywords
3-PHASE, Energy efficiency, STANDARDS, WAVE-FORM, PERFORMANCE, INDUCTION-MOTOR, STRAY-LOAD LOSSES, finite-element method, induction motors, magnetic losses, permanent-magnet machines, power quality, synchronous motors, power system harmonics

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MLA
Debruyne, Colin, Peter Sergeant, Stijn Derammelaere, et al. “Influence of Supply Voltage Distortion on the Energy Efficiency of Line Start Permanent Magnet Motors.” IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS 50.2 (2014): 1034–1043. Print.
APA
Debruyne, C., Sergeant, P., Derammelaere, S., Desmet, J., & Vandevelde, L. (2014). Influence of supply voltage distortion on the energy efficiency of line start permanent magnet motors. IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS, 50(2), 1034–1043.
Chicago author-date
Debruyne, Colin, Peter Sergeant, Stijn Derammelaere, Jan Desmet, and Lieven Vandevelde. 2014. “Influence of Supply Voltage Distortion on the Energy Efficiency of Line Start Permanent Magnet Motors.” Ieee Transactions on Industry Applications 50 (2): 1034–1043.
Chicago author-date (all authors)
Debruyne, Colin, Peter Sergeant, Stijn Derammelaere, Jan Desmet, and Lieven Vandevelde. 2014. “Influence of Supply Voltage Distortion on the Energy Efficiency of Line Start Permanent Magnet Motors.” Ieee Transactions on Industry Applications 50 (2): 1034–1043.
Vancouver
1.
Debruyne C, Sergeant P, Derammelaere S, Desmet J, Vandevelde L. Influence of supply voltage distortion on the energy efficiency of line start permanent magnet motors. IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS. 2014;50(2):1034–43.
IEEE
[1]
C. Debruyne, P. Sergeant, S. Derammelaere, J. Desmet, and L. Vandevelde, “Influence of supply voltage distortion on the energy efficiency of line start permanent magnet motors,” IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS, vol. 50, no. 2, pp. 1034–1043, 2014.
@article{4195975,
  abstract     = {Similar to standard three phase direct on line induction motors are three phase line-start permanent-magnet machines (LSPMMs) susceptible to grid voltage distortion. Although straight forward adaptation of harmonic loss mechanisms for standard squirrel-cage induction motors to LSPMMs seems appropriate, this study will indicate that harmonic loss calculations of induction machines are unsuitable to give accurate or even reasonable estimations of the influence of supply voltage distortion on the energy efficiency of LSPMMs. This research will specifically address the interaction of rotor-induced harmonic currents. Finite-element modeling is used in order to address the effect of supply voltage distortion on the segregated losses of an LSPMM. Finite-element modeling (FEM) allocates the majority of the harmonic loss to the rotor and shows shifting the relative phase angle between identical magnitudes of superimposed supply distortion of fifth and seventh order can result in a 30% reduction of rotor loss and 0.5 percentage points in overall energy efficiency. The results obtained by FEM are validated by practical measurements.},
  author       = {Debruyne, Colin and Sergeant, Peter and Derammelaere, Stijn and Desmet, Jan and Vandevelde, Lieven},
  issn         = {0093-9994},
  journal      = {IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS},
  keywords     = {3-PHASE,Energy efficiency,STANDARDS,WAVE-FORM,PERFORMANCE,INDUCTION-MOTOR,STRAY-LOAD LOSSES,finite-element method,induction motors,magnetic losses,permanent-magnet machines,power quality,synchronous motors,power system harmonics},
  language     = {eng},
  number       = {2},
  pages        = {1034--1043},
  title        = {Influence of supply voltage distortion on the energy efficiency of line start permanent magnet motors},
  url          = {http://dx.doi.org/10.1109/TIA.2013.2277593},
  volume       = {50},
  year         = {2014},
}

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