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Electrical Engineering
Erschienen in: Electrical Engineering 1/2019

19.03.2019 | Original Paper

Advanced optimization methods for fractional slot concentrated windings

verfasst von: Gurakuq Dajaku, Sachar Spas, Dieter Gerling

Erschienen in: Electrical Engineering | Ausgabe 1/2019

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Abstract

Usage of fractional slot concentrated windings (FSCWs) in electrical machines offers several advantages due to their simplicity and compactness. However, the magnetic field of FSCWs has more space harmonics, including sub-harmonics that lead to undesirable effects. High rotor losses, noise, vibrations and thermal problems are the main drawbacks caused by FSCWs. These disadvantages limit the suitability of this winding type for some applications. In order to improve winding performances, several methods and techniques have recently been developed and analysed. This paper provides an update of latest research activities in terms of optimization of FSCW machines. These include efforts to reduce only sub-harmonics, to simultaneously reduce sub- and high harmonics or to use a higher harmonic for rotor excitation in current-excited synchronous machines. Simplest and most effective methods are considered, and their functionalities are explained briefly. Moreover, the effectiveness of said optimization methods is shown by simulation and experimental results, obtained from various optimized FSCW machines.
Vorheriger Artikel Developed HVDC power injection model for power flow analysis with multi-control functions considering operating constraints
Nächster Artikel Modified grasshopper optimization framework for optimal power flow solution

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Metadaten
Titel
Advanced optimization methods for fractional slot concentrated windings
verfasst von
Gurakuq Dajaku
Sachar Spas
Dieter Gerling
Publikationsdatum
19.03.2019
Verlag
Springer Berlin Heidelberg
Erschienen in
Electrical Engineering / Ausgabe 1/2019
Print ISSN: 0948-7921
Elektronische ISSN: 1432-0487
DOI
https://doi.org/10.1007/s00202-019-00760-6

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