Fault-Tolerant Soft-Switching Current-Fed DC-DC Converter

This paper addresses the methods to retain the functionality of the soft-switching current-fed converter in the case of transistor fault. Various primary-side transistor faults and corresponding scenarios to minimize the influence on the converter characteristics are presented. The proposed method allows preserving the power delivery and converter soft-switching operation in the case of fault of one of the primary side transistors. Post-fault operation was experimentally verified using a 500W converter prototype, and resulting implications for converter efficiency were analyzed.

[1]  Li Sun,et al.  Switching Function Model-Based Fast-Diagnostic Method of Open-Switch Faults in Inverters Without Sensors , 2011, IEEE Transactions on Power Electronics.

[2]  E. Ribeiro,et al.  Fault-Tolerant Strategy for a Photovoltaic DC--DC Converter , 2013, IEEE Transactions on Power Electronics.

[3]  Ebrahim Farjah,et al.  A Comprehensive Monitoring System for Online Fault Diagnosis and Aging Detection of Non-Isolated DC–DC Converters’ Components , 2019, IEEE Transactions on Power Electronics.

[4]  Marco Liserre,et al.  Failure Analysis of the dc-dc Converter: A Comprehensive Survey of Faults and Solutions for Improving Reliability , 2018, IEEE Power Electronics Magazine.

[5]  Jason Poon,et al.  Model-Based Fault Detection and Identification for Switching Power Converters , 2017, IEEE Transactions on Power Electronics.

[6]  Yantao Song,et al.  Survey on Reliability of Power Electronic Systems , 2013, IEEE Transactions on Power Electronics.

[7]  Marco Liserre,et al.  A Fault-Tolerant Series-Resonant DC–DC Converter , 2017, IEEE Transactions on Power Electronics.

[8]  Frede Blaabjerg,et al.  Reliability of Power Electronic Converter Systems , 2015 .

[9]  Abhisek Ukil,et al.  Time- and Frequency-Domain Fault Detection in a VSC-Interfaced Experimental DC Test System , 2018, IEEE Transactions on Industrial Informatics.

[10]  Rae-Young Kim,et al.  A novel fault detection circuit for short-circuit faults of IGBT , 2011, 2011 Twenty-Sixth Annual IEEE Applied Power Electronics Conference and Exposition (APEC).

[11]  Bin Lu,et al.  A Literature Review of IGBT Fault Diagnostic and Protection Methods for Power Inverters , 2008, 2008 IEEE Industry Applications Society Annual Meeting.

[12]  Roman Kosenko,et al.  Soft-Switching Current-FED Flyback Converter with Natural Clamping for Low Voltage Battery Energy Storage Applications , 2017, DoCEIS.

[13]  Andrei Blinov,et al.  Bidirectional soft‐switching dc–dc converter for battery energy storage systems , 2018, IET Power Electronics.