The Transactions of The Korean Institute of Electrical Engineers (전기학회논문지)

The Korean Institute of Electrical Engineers (대한전기학회)
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A Study on Power Flow Analysis of DC Traction Power Supply System with PWM Rectifier

PWM 정류기를 적용한 직류급전시스템의 조류계산에 대한 연구

  • Kim, Joorak (Dept. of Metropolitan Transportation Research Center, Korea Railroad Research Institute)
  • Received : 2016.10.05
  • Accepted : 2016.10.24
  • Published : 2016.11.01
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Abstract

In general, Diode rectifier has been applied to DC traction power supply system. Diode has some characteristics which is voltage drop in inverse proportion of load because of non-controlled switch, and cannot flow a current in reverse bias. So, voltage drop occurs frequently, and regenerated power cannot use in substation. The PWM rectifier is able to control output voltage constantly to reduce voltage drop and to use regeneration power without additional inverter. This paper proposes analysis algorithm for DC traction power supply system with PWM rectifier.

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References

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