Cited by 12Advanced DC-DC ConvertersMultilevel Inverters and ConvertersHVDC Systems and Fault Protection

The DOI matches its Crossref record; 22 of the 22 references it cites were found in a registry or an index.

Fault-Tolerant Performance Enhancement of DC-DC Converters with High-Speed Fault Clearing-unit based Redundant Power Switch Configurations

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Abstract

Fault detection and reconfiguration in fault-tolerant converters may complicated and necessitate using all-purpose microprocessors and high-speed sensors to guarantee the satisfactory performance of power converters. Therefore, providing fault-clearing feature without increasing the processing and sensing burdens and reducing the transition time between faulty to normal state are of great importance. This research proposes a new redundant-switch configuration to address the mentioned challenges. The proposed configuration uses one diode and two fuses to eliminate the faulty switch and replace the reserve one, spontaneously. Open-circuit fault in the proposed configuration is clarified instantly. Moreover, the short-circuit fault is dealt as an open-circuit fault by using a fuse. Thus, the fault-tolerant feature of the proposed switch configuration is achieved without using a complex, versatile and multifaceted fault managing unit. Resultant behaviors of the case studies are derived using MATLAB/SIMULINK. Also, steady-state thermal distribution of power switches which are implemented on a monolith heat sink, analyzed in COMSOL Multi-physics environment. Finally, the viability of the proposed configuration is demonstrated by a laboratory-scaled prototype.

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Crossref · 10.1109/epec52095.2021.9621756

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Metadata

Authors
Rahimi, T., Jahan, H. K., Abadifard, A., Akbari, M., Ghavidel, P., Farhadi, M., & Hosseini, S. H.
Affiliations
  • University of Tabriz (IR)
  • K. N. Toosi University of Technology (IR)
  • The University of Texas at Dallas (US)
Venue
2021 IEEE Electrical Power and Energy Conference (EPEC)
Publisher
IEEE
Published
2021-10-22
Pages
492-497
OpenAlex
W3208479840
Cited by
12
References
22
Citations by year
2026: 3 · 2025: 2 · 2024: 2 · 2023: 4 · 2022: 1
FWCI
2.75
Type
conference paper
Language
en
Open access
Locations
  • IEEE Electrical Power and Energy Conference (EPEC) (publishedVersion)
  • arXiv (Cornell University) (submittedVersion, public-domain)
  • arXiv (Cornell University) (submittedVersion)
  • arXiv (Cornell University) (public-domain)
Topics
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Advanced DC-DC Converters
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Multilevel Inverters and Converters
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › HVDC Systems and Fault Protection
Keywords
fault clearance, open-circuit fault, short-circuit faults, fuses, converter reliability

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