Survey on Fault-Tolerant Techniques for Power Electronic Converters
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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 paper 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. © 2014 IEEE.
author list (cited authors)
Zhang, W., Xu, D., Enjeti, P. N., Li, H., Hawke, J. T., & Krishnamoorthy, H. S.