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

Mokhtar Aly, Gamal M. Dousoky, Masahito Shoyama

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

抄録

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.

本文言語英語
ホスト出版物のタイトル2015 IEEE International Telecommunications Energy Conference, INTELEC 2015
出版社Institute of Electrical and Electronics Engineers Inc.
ISBN(電子版)9781479965823
DOI
出版ステータス出版済み - 9 20 2016
イベント2015 IEEE International Telecommunications Energy Conference, INTELEC 2015 - Osaka, 日本
継続期間: 10 18 201510 22 2015

出版物シリーズ

名前INTELEC, International Telecommunications Energy Conference (Proceedings)
2016-September
ISSN(印刷版)0275-0473

その他

その他2015 IEEE International Telecommunications Energy Conference, INTELEC 2015
Country日本
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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