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Sustainability 2018, 10(11), 4136; (registering DOI)

Open-Circuit Fault-Tolerant Characteristics of a New Four-Phase Doubly Salient Electro-Magnetic Generator

Electric Vehicle Intelligent Power Integration Technology National and Local Joint Engineering Research Center, Shandong University of Technology, Zibo 25049, Shandong, China
Author to whom correspondence should be addressed.
Received: 16 October 2018 / Revised: 7 November 2018 / Accepted: 7 November 2018 / Published: 10 November 2018
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In order to improve the reliability of a more sustainable mobility generator, a four-phase Doubly Salient Electro-Magnetic Generator (DSEG) and its phase-isolated rectifier are proposed in this paper. The mathematical model of the machine and fault-tolerant rectifiers is proposed, which indicates that the four-phase fault-tolerant DSEG should have symmetric phases. With the asymmetry analysis of the traditional 8/6-pole DSEG, a new 12/9-pole DSEG with symmetric phases is proposed. The four-phase full bridge rectifier, positive half-wave rectifier and four-phase H bridge rectifier are presented. The voltage waveforms, no-load characteristics and loading characteristics with different rectifiers will be given based on the simulation and the experiment on a prototype of DSEG, and the results show that the four-phase H bridge rectifier has the best fault tolerant no-load characteristic and external characteristic, except that it needs more diodes. View Full-Text
Keywords: fault-tolerant; doubly salient electro-magnetic generator; rectifier; characteristic fault-tolerant; doubly salient electro-magnetic generator; rectifier; characteristic

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Shi, L.; Yan, B.; Zhou, X.; Zhang, X. Open-Circuit Fault-Tolerant Characteristics of a New Four-Phase Doubly Salient Electro-Magnetic Generator. Sustainability 2018, 10, 4136.

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