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.
Homopolar Generators: an Overview / Bianchini, Claudio; Immovilli, Fabio; Bellini, Alberto; Lorenzani, Emilio; C., Concari; M., Scolari. - ELETTRONICO. - (2011), pp. 1523-1527. (Intervento presentato al convegno 3rd Annual IEEE Energy Conversion Congress and Exposition, ECCE 2011 tenutosi a Phoenix, AZ, USA nel 17-22 Sept. 2011) [10.1109/ECCE.2011.6063962].
Homopolar Generators: an Overview
BIANCHINI, Claudio;IMMOVILLI, Fabio;BELLINI, Alberto;LORENZANI, EMILIO;
2011
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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