5th IET International Conference on Power Electronics, Machines and Drives (PEMD 2010) 2010
DOI: 10.1049/cp.2010.0052
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Comparative study of current vector control performance of alternate fault tolerant inverter topologies for three-phase pm brushless ac machine with one phase open circuit fault

Abstract: Reliability and fault tolerance of drive systems has received renewed research interest over last decade with several fault tolerant drive topologies and control schemes having been proposed and investigated. In this paper, the performance of hysteresis current vector control methodologies when applied to three common fault tolerant drive topologies has been investigated and compared theoretically and experimentally. Their advantages and limitations in terms of current value, current and torque ripples, and op… Show more

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Cited by 37 publications
(30 citation statements)
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“…In addition, in comparison with the pre-fault, the SC, and the ELSC cases, under the ELES scheme, the highest feasible voltage value (±Vdc) is applied to the non-short circuit phase windings. Thus, extremely high current harmonics and torque ripples may be obtained for the ELES drive [10], [12]. Besides, the possibility of winding insulation damage is inevitable for the two remaining phase windings [the authors experienced turnto-ground short circuit on one remaining phase winding during testing the ELES drive-see Fig.…”
Section: Lookup Table (Lut)-based Dtc Techniques For Blac Drives Undementioning
confidence: 99%
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“…In addition, in comparison with the pre-fault, the SC, and the ELSC cases, under the ELES scheme, the highest feasible voltage value (±Vdc) is applied to the non-short circuit phase windings. Thus, extremely high current harmonics and torque ripples may be obtained for the ELES drive [10], [12]. Besides, the possibility of winding insulation damage is inevitable for the two remaining phase windings [the authors experienced turnto-ground short circuit on one remaining phase winding during testing the ELES drive-see Fig.…”
Section: Lookup Table (Lut)-based Dtc Techniques For Blac Drives Undementioning
confidence: 99%
“…Because of its highest percentage of registered failures in practice, faulty events within the power inverter resulting in single-phase open-circuit faults (SOF) is the main scope of this paper [8], [9]. Based on the post-fault reconfigurations [10], FTC topologies for three-phase BLAC drive under SOF can be categorized into three schemes: splitcapacitor (SC) drive, Fig. 1(a), extra-leg split-capacitor (ELSC) drive, Fig.…”
Section: Introductionmentioning
confidence: 99%
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