Reliability enhancement of multilevel inverters through SVPWM-based thermal management methodology

Mokhtar Aly, Gamal M. Dousoky, Masahito Shoyama

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

6 被引用数 (Scopus)

抄録

This paper introduces design and validation of space vector pulse width modulation (SVPWM) algorithm for reliability enhancement of multilevel inverters. Thermal overheating is the main cause of shortened-lifetime and open-circuit faults of power devices. It may result from ageing of semiconductor materials due to continuous operation and various operating conditions. Degradation and faults of cooling system are also of the major causes of overheating in power components. The proposed algorithm is applied when an overheating is detected in any of the semiconductor devices and helps to alleviate the overheating from the affected device and thereby preventing the overall system from malfunction. The proposed methodology relies on using the redundancy property between the switching states in multilevel inverters to continuously evaluate a cost function of the junction temperature of the overheated devices for all possible switching sequences, then it selects the optimal relieving switching sequence. Therefore, the lifetime of the overheated device can be considerably elongated. The proposed algorithm has been designed, simulated, and experimentally validated using a T-type three-level inverter system.

本文言語英語
ホスト出版物のタイトル2015 IEEE 2nd International Future Energy Electronics Conference, IFEEC 2015
出版社Institute of Electrical and Electronics Engineers Inc.
ISBN(電子版)9781479976577
DOI
出版ステータス出版済み - 12 18 2015
イベント2nd IEEE International Future Energy Electronics Conference, IFEEC 2015 - Taipei, 台湾省、中華民国
継続期間: 11 1 201511 4 2015

出版物シリーズ

名前2015 IEEE 2nd International Future Energy Electronics Conference, IFEEC 2015

その他

その他2nd IEEE International Future Energy Electronics Conference, IFEEC 2015
国/地域台湾省、中華民国
CityTaipei
Period11/1/1511/4/15

All Science Journal Classification (ASJC) codes

  • エネルギー工学および電力技術
  • 再生可能エネルギー、持続可能性、環境
  • 電子工学および電気工学

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