Overview of Hybrid Excitation in Electrical Machines

Gustav Mörée () and Mats Leijon
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Gustav Mörée: Division of Electricity, Department of Electrical Engineering, Uppsala University, 752 36 Uppsala, Sweden
Mats Leijon: Division of Electricity, Department of Electrical Engineering, Uppsala University, 752 36 Uppsala, Sweden

Energies, 2022, vol. 15, issue 19, 1-38

Abstract: Hybrid excitation is a technology that combines the advantages of field windings and permanent magnets for inducing magnetic flux. This article studies the benefits of hybrid excitation and provides an outlook on their possible applications, such as wind power generators and electric vehicle motors. Compared to permanent magnet-based machines, hybrid excitation gives a variable flux while still using the advantage of the permanent magnets for a portion of the flux. This article also looks into some different categories of machines developed for hybrid excitation. The categories are based on the reluctance circuit, the relative geometrical location of the field windings relative to the permanent magnets, or the placement of the excitation system.

Keywords: hybrid excitation; HESM; dual excitation; double excitation; variable flux machines; generator design; synchronous machines; electrical machines (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: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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