Please use this identifier to cite or link to this item:
https://hdl.handle.net/2440/2386
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Type: | Journal article |
Title: | IPM synchronous machine drive response to symmetrical and asymmetrical short circuit faults |
Author: | Welchko, B. Jahns, T. Soong, W. Nagashima, J. |
Citation: | IEEE Transactions on Energy Conversion, 2003; 18(2):291-298 |
Publisher: | IEEE-Inst Electrical Electronics Engineers Inc |
Issue Date: | 2003 |
ISSN: | 0885-8969 |
Statement of Responsibility: | Brian A. Welchko, Thomas M. Jahns, Wen L. Soong and James M. Nagashima, |
Abstract: | A closed-form solution is presented for the steady-state response of interior permanent magnet (IPM) synchronous machines to symmetrical short circuits including the effects of q-axis magnetic saturation. Machine response to single-phase asymmetrical short circuits is also investigated. Experimental data are presented to verify predicted behavior for both types of short circuits. It is shown that single-phase asymmetrical short circuit faults produce more severe fault responses with high pulsating torque and a significant threat of rotor demagnetization. A control strategy that purposely transitions such faults into symmetrical three-phase short circuits can minimize the fault severity and associated demagnetization risks. Implications for the design of IPM machines with improved fault tolerance are discussed. |
Description: | Copyright © 2003 IEEE |
DOI: | 10.1109/TEC.2003.811746 |
Published version: | http://dx.doi.org/10.1109/tec.2003.811746 |
Appears in Collections: | Aurora harvest 6 Electrical and Electronic Engineering publications Environment Institute publications |
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