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

Content Provider	IEEE Xplore Digital Library
Author	Jiangbiao He Demerdash, N.A.O.
Copyright Year	2014
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Marquette Univ., Milwaukee, WI, USA (Jiangbiao He; Demerdash, N.A.O.)
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.
Sponsorship	IEEE Ind. Appl. Soc.
Starting Page	1
Ending Page	6
File Size	396604
Page Count	6
File Format	PDF
ISBN	9781479922628
DOI	10.1109/ITEC.2014.6861829
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-06-15
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fault diagnosis Switches Inverters Sensors Circuit faults Clamps Switching circuits
Content Type	Text
Resource Type	Article

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