DOI QR코드

DOI QR Code

PWM 정류기를 적용한 직류급전시스템의 조류계산에 대한 연구

A Study on Power Flow Analysis of DC Traction Power Supply System with PWM Rectifier

  • Kim, Joorak (Dept. of Metropolitan Transportation Research Center, Korea Railroad Research Institute)
  • 투고 : 2016.10.05
  • 심사 : 2016.10.24
  • 발행 : 2016.11.01

초록

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.

키워드

참고문헌

  1. Joorak Kim, Kijun Park, Chang-reung Park, Eun-Sang Choo, Jun-Young Lee, "Analysis on Voltage and Cost of Substation with PWM Rectifier in DC Traction Power Supply System" The Transactions of the KIEE, Vol. 64, No. 4, pp. 640-645, 2015
  2. Joorak Kim, Chang-reung Park, Kijun Park, Joo-Uk Kim, "A Study on DC Traction Power Supply System Using PWM Converter", J. Korean Inst. Electr. Electron. Mater. Eng. Vol. 29, No. 4, pp. 250-254, 2016. https://doi.org/10.4313/JKEM.2016.29.4.250
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  4. J. P. Agrawal, Power Electronic Systems : Theory and Design, Prentice Hall, 2001.
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