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Reliability Analysis of Silicon Carbide Power Modules in Voltage Source Converters

  • Jamia Millia Islamia
  • National Institute of Solar Energy (NISE)

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

Abstract

This paper performs reliability analysis to achieve an undesirable trade-off among the current ratings, efficiency, and reliability of power modules in Voltage Source Converters (VSC). It investigates the aspects of reliability for Silicon Carbide (SiC) power modules, and estimate the lifetime, failure rate and efficiency of the power electronic converters used in a three-phase grid connected photovoltaic system. The reliability analysis is carried out by performing Ideal Component Testing (ICT), and Active Component Testing (ACT) under four different operating modes. The probability rate of the system failure for each operating mode is calculated using Markov chain process. Finally, the dependency of reliability and lifetime on the gate voltage is identified and the necessary measures are suggested to achieve an undesirable trade-off among the targeted current ratings, efficiency, and system reliability.
Original languageEnglish
Title of host publication2019 International Conference on Power Electronics, Control and Automation, ICPECA 2019 - Proceedings
PublisherIEEE
Publication dateNov 2019
Article number8975617
ISBN (Electronic)9781728139586
DOIs
Publication statusPublished - Nov 2019
Externally publishedYes
Event2019 International Conference on Power Electronics, Control and Automation, ICPECA 2019 - Proceedings - New Delhi, India
Duration: 16. Nov 2019 → 17. Nov 2019

Conference

Conference2019 International Conference on Power Electronics, Control and Automation, ICPECA 2019 - Proceedings
Country/TerritoryIndia
CityNew Delhi
Period16/11/2019 → 17/11/2019

Keywords

  • Lifetime
  • Meantime to failure (MTTF)
  • Power Modules
  • Reliability
  • Silicon Carbide (SiC)

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