Overview
ABSTRACT
Today power electronics holds a key place in ensuring the energy efficiency of critical electrical systems in defense, healthcare, transport, energy and finance, where electrical safety and continuity of service are vitally important. The overall reliability of power electronic converters is a major issue that has to be addressed right from the design stage. Power semi-conductors are clearly the weakest devices in the chain, whether or not they cause a failure. Power electronics designers are the leading experts developing the necessary approach to overall reliability for power converters. After a general introduction, this article presents the classical failure modes and the main solutions that provide safety capabilities.
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Read the articleAUTHORS
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Frédéric RICHARDEAU : Research Director, CNRS - LAPLACE Laboratory, Joint Research Unit INP Toulouse - Static Converters Group. Lecturer at ENSEEIHT, GEA Department - Université Paul Sabatier – CNRS, Toulouse, France
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Arnaud GAILLARD : Senior Lecturer - FEMTO-ST Institute, Université Bourgogne Franche-Comté (UBFC) Joint Research Unit – CNRS, Energy Department - University Bourgogne Franche-Comté, UTBM, Belfort, France
INTRODUCTION
This article is the first part of an introduction to voltage inverter reliability. The authors present the main fault modes and safety principles. The second article
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KEYWORDS
voltage source inverter | failure mode | power semi-conductors | global reliability | critical failure
Main Failure Modes and Safety Principles of Voltage Source Inverters
Background to the problem
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"Conversion of electrical energy"
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