2011•Unpublished venueOpen access

Homopolar generators: An overview

Claudio Bianchini, Fabio Immovilli, A. Bellini, Emilio Lorenzani, Carlo Concari, Marco Scolari

Abstract

Homopolar generators are a particular class of electrical machines capable of generating DC current without the use of mechanical commutators or electronic rectifiers. This paper presents an overview of the typical configurations of homopolar DC machines. The paper focuses on generating operation, trying to assess the optimal configuration for a high efficiency generator. Among the possible solutions, a specific configuration which uses permanent magnets for the excitation field was chosen and built to perform a set of experiments.

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Available abstract

Key concepts: Homopolar motor, Generator (circuit theory), Magnet, Electric generator, Excitation, Computer science, Electrical engineering, Field (mathematics)