The paper focuses on the fault detection of a five-phase Permanent-Magnet (PM) machine. This machine has been de- signed for fault tolerant applications, and it is characterised by a mutual inductance equal to zero and a high self inductance, with the purpose to limit the short circuit current. The effects of a limited number of short-circuited turns were investigated by theoretical and Finite Element (FE) analysis, and then a procedure for fault detection has been proposed, focusing on the severity of the fault (i.e. the number of short- circuited turns and the related current).
Fault detection of a five-phase permanent-magnet motor / Bianchini, Claudio; T., Matzen; E., Fornasiero; N., Bianchi; Bellini, Alberto. - ELETTRONICO. - 1:(2008), pp. 1-8. (Intervento presentato al convegno IEEE IECON 2008 tenutosi a Orlando, FL, USA nel November 2008).
Fault detection of a five-phase permanent-magnet motor
BIANCHINI, Claudio;BELLINI, Alberto
2008
Abstract
The paper focuses on the fault detection of a five-phase Permanent-Magnet (PM) machine. This machine has been de- signed for fault tolerant applications, and it is characterised by a mutual inductance equal to zero and a high self inductance, with the purpose to limit the short circuit current. The effects of a limited number of short-circuited turns were investigated by theoretical and Finite Element (FE) analysis, and then a procedure for fault detection has been proposed, focusing on the severity of the fault (i.e. the number of short- circuited turns and the related current).
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