Performance Evaluation of Harmonic Reduced Non-Overlap Winding Wound Rotor Synchronous Machine

Karen S. Garner, Maarten J. Kamper and Andrew T. Loubser
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Karen S. Garner: Department of Electrical and Electronic Engineering, Stellenbosch University, Stellenbosch 7600, South Africa
Maarten J. Kamper: Department of Electrical and Electronic Engineering, Stellenbosch University, Stellenbosch 7600, South Africa
Andrew T. Loubser: Department of Electrical and Electronic Engineering, Stellenbosch University, Stellenbosch 7600, South Africa

Energies, 2021, vol. 14, issue 22, 1-17

Abstract: The analysis and performance evaluation of a harmonic reduction strategy of a non-overlap winding wound rotor synchronous machine is conducted in this paper. The harmonic reduction strategy utilizes phase-shifts between coil currents to reduce sub- and higher-order harmonics. The design is performed on a 3 MW wound rotor synchronous machine with a 16/18 pole/slot combination. The application results in a lowered torque ripple and an increased efficiency of the designed machine. The manufacturing and testing of a 3 kW prototype to ascertain the effectiveness of the design is also presented. The practical measurements correlate successfully with the theoretical results.

Keywords: harmonic reduction; non-overlap; phase-shifting; star-delta; synchronous machine; wound rotor (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
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