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Title: Advanced design and operation consideration for close-connected winding permanent-magnet brushless DC machine
Authors: Zhu, L
Niu, S 
Wang, YC
Wang, C
Keywords: Circulating current
Close-connected winding
Fault-tolerant control
Sensorless control
Issue Date: 2016
Publisher: Institute of Electrical and Electronics Engineers
Source: IEEE transactions on applied superconductivity, 2016, v. 26, no. 4, 7422021 How to cite?
Journal: IEEE transactions on applied superconductivity 
Abstract: Advanced design and operation consideration for the close-connected winding permanent-magnet brushless DC machine is proposed in this paper, including circulating current elimination, fault-tolerant control for the breakdown of a power electronic switch, and a sensorless control method. With the finite-element analysis, the influence of machine design parameters on circulating current is investigated. By properly controlling the status of power electronic switches, the coils being connected into the equivalent circuit can be changed to avoid the failure switch. Sensorless control is explored by detecting the zero-crossing point of electromotive force.
ISSN: 1051-8223
EISSN: 1558-2515
DOI: 10.1109/TASC.2016.2535969
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