A Heuristic Method to Improve Power Cycling Related Lifetime in Series Connectable Modular Full-Bridge Inverter

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Abstract

This paper proposes a heuristic method to improve power cycling related lifetime in series connectable modular full-bridge inverters by means of load sharing. The load sharing scheme is realized by continuous alternation between two possible series configurations of the circuit at a heuristically-determined changeover frequency. Simulation results in the single-phase circuit are included, and the switches lifetime performance are compared with the reference cases. It is evident from the results that this method yields increased switches lifetime. Alternatively, it allows more current to be applied to the circuit for the same switches average junction temperature.
Original languageEnglish
Title of host publication15th International Conference and Exhibition on Ecological Vehicles and Renewable Energies, EVER 2020
PublisherInstitute of Electrical and Electronics Engineers
Number of pages9
ISBN (Electronic)978-1-7281-5641-5
ISBN (Print)978-1-7281-5642-2
DOIs
Publication statusPublished - 12 Sep 2020
Event15th International Conference and Exibition on Ecological Vehicles and Renewable Energies (EVER 2020)
- Grimaldi Forum Congress Center, Monte Carlo, Monaco
Duration: 10 Sep 202012 Oct 2020

Conference

Conference15th International Conference and Exibition on Ecological Vehicles and Renewable Energies (EVER 2020)
Country/TerritoryMonaco
CityMonte Carlo
Period10/09/2012/10/20

Keywords

  • changeover frequency
  • junction temperature
  • losses
  • series configuration
  • series connectable modular full-bridge inverter
  • thermal swing

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