Design and validation of SVPWM algorithm for thermal protection of T-type three-level inverters

Mokhtar Aly, Gamal M. Dousoky, Masahito Shoyama

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This paper investigates the design and validation of a new space vector pulse width modulation (SVPWM) algorithm for thermal protection of T-type three-level inverters. Thermal overheating is the main cause of shortened-lifetime and open-circuit faults of power devices. Power devices are subjected to thermal overheating due to degradation of power devices due to continuous overloading and power cycling, and degradation and faults in cooling systems. When a thermal overheating is detected in one of the switching devices, the proposed algorithm is applied to protect the thermally-overheated switch from being short/open-circuited and hence preventing the total system from malfunction. The lifetime and the reliability of the inverter have been enhanced considerably by a simple modification of the conventional SVPWM algorithm and without adding any additional hardware or complex calculations. In addition to that, the proposed algorithm does not deteriorate the inverter's output current. The proposed thermal protection SVPWM algorithm has been designed, simulated, and experimentally validated at different operating conditions.

Original languageEnglish
Title of host publication2015 IEEE International Telecommunications Energy Conference, INTELEC 2015
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781479965823
DOIs
Publication statusPublished - Sep 20 2016
Event2015 IEEE International Telecommunications Energy Conference, INTELEC 2015 - Osaka, Japan
Duration: Oct 18 2015Oct 22 2015

Publication series

NameINTELEC, International Telecommunications Energy Conference (Proceedings)
Volume2016-September
ISSN (Print)0275-0473

Other

Other2015 IEEE International Telecommunications Energy Conference, INTELEC 2015
CountryJapan
CityOsaka
Period10/18/1510/22/15

All Science Journal Classification (ASJC) codes

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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    Aly, M., Dousoky, G. M., & Shoyama, M. (2016). Design and validation of SVPWM algorithm for thermal protection of T-type three-level inverters. In 2015 IEEE International Telecommunications Energy Conference, INTELEC 2015 [7572316] (INTELEC, International Telecommunications Energy Conference (Proceedings); Vol. 2016-September). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/INTLEC.2015.7572316