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

철도차량용 IGBT Gate Driver Unit 기술 동향 분석 연구

  • 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)
  • Received : 2017.04.18
  • Accepted : 2017.05.08
  • Published : 2017.06.30


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.


Supported by : 한국철도기술연구원, 한국연구재단


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