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Design of a brushless excitation system utilizing pot cores

Veitengruber, Julian and Rinderknecht, Frank and Friedrich, Horst E. (2015) Design of a brushless excitation system utilizing pot cores. COMPEL, 34 (6). Emerald Group Publishing Ltd.. DOI: 10.1108/COMPEL-11-2014-0322 ISSN 0332-1649

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Official URL: http://www.emeraldinsight.com/doi/abs/10.1108/COMPEL-11-2014-0322


Purpose: The paper is devoted to the optimal substitution of slip rings through an inductive power transfer system (IPT) for field winding supply of generators or motors with a wound rotor. By a rotational pot core transformer approach, the rotor-side energizing of the excitation windings can be provided isolated and free of wear. Design/methodology/approach: For design purpose, an analytical model of the inductive link and the compensation network elements is shown. Based on a pot-core transformer approach, possible types of compensation networks regarding motor-specific constraints were carried out and compared among themselves by parameter studies. The analytical parts of the model were subsequently validated with measured data of an appropriate core and accompanying FEM calculations. On the basis of an experimental prototype system, the approach has been tested both stationary and transient. Findings: The publication exemplifies how a brushless excitation system for generators and motors can be inexpensively designed and implemented. Originality/value: This paper systematically presents a comprehensive analytical approach for brushless excitation systems as well as a prototypical system. Compensation network elements regarding motor-specific constraints were carried out and compared among themselves by parameter studies.

Item URL in elib:https://elib.dlr.de/98258/
Document Type:Article
Title:Design of a brushless excitation system utilizing pot cores
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Veitengruber, Julianjulian.veitengruber (at) dlr.deUNSPECIFIED
Rinderknecht, Frankfrank.rinderknecht (at) dlr.deUNSPECIFIED
Friedrich, Horst E.horst.friedrich (at) dlr.deUNSPECIFIED
Journal or Publication Title:COMPEL
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
DOI :10.1108/COMPEL-11-2014-0322
Publisher:Emerald Group Publishing Ltd.
Series Name:Ecological vehicles and renewable energies
Keywords:inductive power transfer, brushless excitation, synchronous machines
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Transport
HGF - Program Themes:Terrestrial Vehicles (old)
DLR - Research area:Transport
DLR - Program:V BF - Bodengebundene Fahrzeuge
DLR - Research theme (Project):V - Fahrzeugenergiesystem III (old)
Location: Stuttgart
Institutes and Institutions:Institute of Vehicle Concepts > Alternative Energiewandler
Deposited By: Veitengruber, Julian
Deposited On:01 Dec 2015 11:58
Last Modified:08 Mar 2018 18:37

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