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http://dx.doi.org/10.7782/JKSR.2017.20.3.339

Research on Technical Trends of IGBT Gate Driver Unit for Railway Car  

Cho, In-Ho (Propulsion System Research Team, Korea Railroad Research Institute,)
Lee, Jae-Bum (Propulsion System Research Team, Korea Railroad Research Institute,)
Jung, Shin-Myung (Propulsion System Research Team, Korea Railroad Research Institute,)
Lee, Byoung-Hee (Department of Electronics and Control Engineering, Hanbat National University)
Publication Information
Journal of the Korean Society for Railway / v.20, no.3, 2017 , pp. 339-348 More about this Journal
Abstract
Power supply for railway cars can be divided into propulsion system power supply and auxiliary power units (APU). The propulsion system power supply is for propulsion of railway cars, and regenerative braking; the APU provides power for the air compressor, lighting, car control and other auxiliary parts. According to high voltage and high current specifications, generally, an insulated-gate bipolar transistor (IGBT) is adopted for the switching component. For appropriate switching operation, a gate driver unit (GDU) is essentially required. In this paper, the technical trends of GDU for railway cars are analyzed and a design consideration for IGBT GDU is described.
Keywords
Gate Driver Unit (GDU); Insulated Gate Bipolar Transistor (IGBT); Power conversion system; Railway car;
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