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SURVEY ON FAULT-TOLERANT TECHNIQUES FOR POWER ELECTRONIC CONVERTERS

SURVEY ON FAULT-TOLERANT TECHNIQUES FOR POWER ELECTRONIC CONVERTERS

ABSTRACT:

           With  wide-spread application of power electronic converters in high power systems, there has been a growing interest in system reliability analysis and fault-tolerant capabilities.

This project presents a comprehensive review of conventional fault-tolerant techniques regarding power electronic converters in case of power semiconductor device failures. These techniques can be classified into  four  categories based on the type of hardware redundancy unit: switch-level, leg-level, module-level  and system-level. Also,  various fault-tolerant methods are assessed according to cost, complexity, performance, etc. The intent of this review is to provide a detailed picture regarding the current landscape of research in power electronic fault-handling mechanisms.

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