Diagnosis Methods for IGBT Open Switch Fault Applied to 3-Phase AC/DC PWM Converter

Title
Diagnosis Methods for IGBT Open Switch Fault Applied to 3-Phase AC/DC PWM Converter
Author(s)
임원상[임원상]김장식[김장식]김장목[김장목]이동춘이교범[이교범]
Issue Date
201201
Publisher
KOREAN INST POWER ELECTRONICS
Citation
JOURNAL OF POWER ELECTRONICS, v.12, no.1, pp.120 - 127
Abstract
Fault diagnosis technique of electrical drives is becoming more and more important, since voltage fed converter system has become industrial standard in many applications. Many studies have been conducted an inverter fault diagnosis for induction motors. However, there are few researches about fault diagnosis of 3-phase ac/dc PWM (Pulse Width Modulation) converter compared to the dc/ ac inverter. The ac/dc converter is the opposite of dc/ac inverter at current flow. Also, inverter and converter have different current patterns under the same condition of IGBT (Insulated gate bipolar transistor) open switch fault. Therefore, it is difficult to apply intact diagnosis methods of inverter to the converter. This paper proposes modified fault detection methods for IGBT open switch fault in 3-phase ac/dc PWM converter by modifying established fault diagnostic methods for dc/ac inverters.
URI
http://hdl.handle.net/YU.REPOSITORY/30023http://dx.doi.org/10.6113/JPE.2012.12.1.120
ISSN
1598-2092
Appears in Collections:
공과대학 > 전기공학과 > Articles
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