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Fault Tolerant 7-phase Hybrid Excitation Permanent Magnet Machine

Type
Communications avec actes
Author
ZHAO, Benteng
26886 Shandong University
GONG, Jinlin
26886 Shandong University
VU, DUC TAN
13338 Laboratoire d’Électrotechnique et d’Électronique de Puissance - EA 2697 [L2EP]
NGUYEN, Ngac Ky
13338 Laboratoire d’Électrotechnique et d’Électronique de Puissance - EA 2697 [L2EP]
SEMAIL, Eric
13338 Laboratoire d’Électrotechnique et d’Électronique de Puissance - EA 2697 [L2EP]

URI
http://hdl.handle.net/10985/15501
Date
2018

Abstract

This paper presents a novel 7-phase hybrid excitation permanent magnet (HEPM) machine with three rotors around one stator. Two rotors with PMs axially magnetized and the third rotor with PMs radially magnetized. Thanks to the addition of the third rotor, the inactive end-windings in the configuration with two rotors are then becoming active with a contribution to the torque with an increase of 30%. The impact of the third rotor on the torque density and on the pulsating torques is presented. The fault-tolerant characteristics of the proposed machine are also presented, which proves the interests of this machine for low speed applications.

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