Design of an asymmetrical rotor for easy assembly and repair of field windings in synchronous machines

Abstract

This paper introduces a new asymmetrical rotor design for easy assembly and repair of field windings in synchronous machines. A new rotor geometry is adopted in order to simplify the manufacture and maintenance process of installing the rotor windings. The asymmetrical rotor design is simulated by the 2-D finite element analysis (FEA), and verified by experimental tests on a 27.5 kVA prototype machine. The proposed topology can drive down the maintenance and repair costs of the machine without impacting on the machine’s electro-magnetic performance. This design will have significant economic implications for machine design and repair industry, especially for mass production markets such as wind turbines and engine-generators.

Publication DOI: https://doi.org/10.1049/joe.2017.0123
Divisions: Engineering & Applied Sciences
Engineering & Applied Sciences > Electrical, Electronic & Power Engineering
Additional Information: This is an open access article published by the IET under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/)
PURE Output Type: Article
Published Date: 2017-06-28
Published Online Date: 2017-06-28
Accepted Date: 2017-06-19
Submitted Date: 2017-03-30
Authors: Yang, Nan
Cao, Wenping ( 0000-0002-8133-3020)
Liu, Zheng
Morrow, John

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