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Fault-Tolerant Strategy to Control a Reverse Matrix Converter for Open-Switch Faults in the Rectifier Stage
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  • Journal title : Journal of Power Electronics
  • Volume 16, Issue 1,  2016, pp.57-65
  • Publisher : The Korean Institute of Power Electronics
  • DOI : 10.6113/JPE.2016.16.1.57
 Title & Authors
Fault-Tolerant Strategy to Control a Reverse Matrix Converter for Open-Switch Faults in the Rectifier Stage
Lee, Eunsil; Lee, Kyo-Beum;
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 Abstract
Reverse matrix converters, which can step up voltages, are suitable for applications with source voltages that are lower than load voltages, such as generator systems. Reverse matrix converter topologies are advantageous because they do not require additional components to conventional matrix converters. In this paper, a detection method and a post-fault modulation strategy to operate a converter as close as possible to its desired normal operation under the open-switch fault condition in the rectifier stage are proposed. An open-switch fault in the rectifier stage of a reverse matrix converter causes current distortions and voltage ripples in the system. Therefore, fault-tolerant control for open-switch faults is required to improve the reliability of a system. The proposed strategy determines the appropriate switching stages from among the remaining healthy switches of the converter. This is done based on reference currents or voltages. The performance of the proposed strategy is experimentally verified.
 Keywords
Carrier-Based Pulse Width Modulation (CB-PWM);Fault-detection;Fault-tolerant control;Open-switch fault;Reverse Matrix Converter (RMC);
 Language
English
 Cited by
1.
Open Fault Detection and Tolerant Control for a Five Phase Inverter Driving System, Energies, 2016, 9, 5, 355  crossref(new windwow)
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