Diagnosis of open-circuit switch faults in multilevel active-NPC (ANPC) inverters

Jiangbiao He, Nabeel A.O. Demerdash

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

25 Scopus citations

Abstract

Multilevel converters have been widely used in traction drive systems due to their attractive output performance. However, one major disadvantage of multilevel converters is the large number of switching devices employed, which could increase the failure probability of drive systems. Thus, an effective diagnosis method for switch faults in multilevel converters is of high importance for the fault-Tolerant operation of such drive systems. This paper introduces an on-line diagnosis method for open-circuit switch faults that could happen in one of the most promising multilevel converters: Active Neutral-Point- Clamped (ANPC) converter. This diagnostic method is implemented based on the comprehensive information of pole voltages, phase currents, and switching states of ANPC inverters. Compared with the existing diagnostic methods in the literature, the presented method in this paper has lower cost and shorter detection time (less than one fundamental cycle). Simulation results verified the effectiveness and robustness of the introduced fault diagnosis method.

Original languageEnglish
Title of host publication2014 IEEE Transportation Electrification Conference and Expo
Subtitle of host publicationComponents, Systems, and Power Electronics - From Technology to Business and Public Policy, ITEC 2014
ISBN (Electronic)9781479922628
DOIs
StatePublished - Jul 21 2014
Event2014 IEEE Transportation Electrification Conference and Expo, ITEC 2014 - Dearborn, United States
Duration: Jun 15 2014Jun 18 2014

Publication series

Name2014 IEEE Transportation Electrification Conference and Expo: Components, Systems, and Power Electronics - From Technology to Business and Public Policy, ITEC 2014

Conference

Conference2014 IEEE Transportation Electrification Conference and Expo, ITEC 2014
Country/TerritoryUnited States
CityDearborn
Period6/15/146/18/14

Bibliographical note

Publisher Copyright:
©2014 IEEE.

ASJC Scopus subject areas

  • Transportation
  • Electrical and Electronic Engineering
  • Automotive Engineering

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