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Abstract
The failure analysis of power semiconductor devices (PSD) is valuable information to make some necessary converter circuit correction. Differences between PSD and signal device failures are described. Main failure mechanisms of SCR thyristors, GTO thyristors, IGBT transistors and power MOSFET’s are discussed. Failures due a thermal fatigue arc given as well. Selected results with example photos of PSD destroyed surfaces are presented. Expert systems used in PSD failure analysis are described.
Additional information
Notes on contributors
Stefan Januszewski
Stefan Januszewski received tile B.Sc. and M.Sc.Eng); deegree in electronics from Warsaw-University of Technology in 1953 and 1960 respectively and ihe Ph.D. degree in power eleeironic eng. from the Electrotechnical Institute in 1973. In 1952 he joined the Electrotechnical Institute (Warsaw) where he worked on the research and development of power electronics equipment and power semiconductor device Measurement. He is author and CO-author of more than 110 papers and 7 books in these fields. He is the chairman of Power Electronics Standard Group in Polish Standard Comitte as well. He participates in the works of IEC (TC 12 Power Electronics), Presently, he is Assistance Proffesor the Pawer Conveter Department of the Electrtronical Institue.
Maria Kociszewska-Szczerbik
Maria Kocisiewska-Saczerbik received the M.Sc. Eng degree in electronics from Warsaw University of Technology in 1964. In 1964 she joined the Electrotechnical Institute (Warsaw) where she worked on the research dealing the failure analysis of power semiconductor devices mainly in service conditions. She is author and co-author of more than 20 papers in this field
Henryk Swiaiek
Henryk Swiatek received the B.Sc degree in electrotechnics from Warsaw Univ. Technology in 1964 and M.Sc. in organization and menagement from Warsaw University in 1980. In 1960 he joined the Electrotechnical Institute (Warsaw) where he Worked on the research and development of power semiconductor device measurements. He organized the design and manufacturing of 7 kinds of industrial power semiconductor device teeters. He is author and co-author of more than 60 papers and 7 books in these fields.
Grzegorz Swiatek
Grzegorz Swiatek received the M.Sc. degree in control theory from Warsaw University of Technology in 1988. In 1986 he joined the Institute of Control and Industrial Electronics in the Warsaw University of Technology Currently he is working as research assistant in the field of anifical intelligence and expert systems.