NDLI: Fault-Tolerant Technique for Δ-Connected AC-Motor Drives

Content Provider	IEEE Xplore Digital Library
Author	Sayed-Ahmed, A. Mirafzal, B. Demerdash, N.A.O.
Copyright Year	1986
Abstract	A fault-tolerant technique for motor-drive systems is introduced in this paper. The technique is merely presented for ac motors with Δ-connected circuits in their stator windings. In this technique, the faulty phase is isolated by solid-state switches after the occurrence of a failure in one of the stator phases. Then, the fault-tolerant technique manages current-flow in the remaining healthy phases. This technique is to significantly mitigate torque pulsations, which are caused by an open-Δ configuration in the stator windings. The performance of the fault-tolerant technique was experimentally verified using a 5-hp 460-V induction motor-drive system and the results are presented in this paper.
Sponsorship	IEEE Power Engineering Society
Starting Page	646
Ending Page	653
Page Count	8
File Size	1100723
File Format	PDF
ISSN	08858969
Volume Number	26
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Stator windings Induction motors Torque Windings Fault tolerance Fault tolerant systems volt-per-hertz (scalar) control method Δ-connected stator windings ac-motor drives fault tolerant induction motor open-Δ stator failure stator fault mitigation stator unbalance torque pulsations
Content Type	Text
Resource Type	Article
Subject	Energy Engineering and Power Technology Electrical and Electronic Engineering

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Fault-Tolerant Operating Strategies Applied to Three-Phase Induction-Motor Drives

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Performance Evaluation of a Five-Phase Modular Winding Induction Machine

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Current-Sharing Strategies for Fault-Tolerant AC Multidrives

Fault-Tolerant Technique for Δ-Connected AC-Motor Drives

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