Transformerless DC traction power conversion system design for light-rail-transit (LRT)

T. Z.Y. Chua, Y. T. Ong, Chuen Ling Toh

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Malaysia Light Rail Transit (LRT) traction network is fed by 750 V DC system. A rectifier transformer (zigzag transformer) and a twelve-pulse traction rectifier are the main equipment to step down and rectify the AC power. In order to eliminate the bulky rectifier transformer in the conventional design, this paper presents a feasibility study on a two-stage power conversion system using purely power electronics converters. The proposed system consists of a six-pulse controlled rectifier, low-pass filter and a buck converter. The six-pulse controlled rectifier will step down and rectify the 33 kV AC grid. The generated DC voltage will be filtered and fine-tuned to reach the desired DC voltage level using a 2 kHz buck converter. The design of the proposed system will be fully discussed and simulated using MATLAB/Simulink. Simulation results with full analysis are enclosed.

Original languageEnglish
Title of host publication2017 IEEE Conference on Energy Conversion, CENCON 2017
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages38-43
Number of pages6
ISBN (Electronic)9781538639344
DOIs
Publication statusPublished - 01 Jul 2017
Event3rd IEEE Conference on Energy Conversion, CENCON 2017 - Kuala Lumpur, Malaysia
Duration: 30 Oct 201731 Oct 2017

Publication series

Name2017 IEEE Conference on Energy Conversion, CENCON 2017
Volume2018-January

Other

Other3rd IEEE Conference on Energy Conversion, CENCON 2017
CountryMalaysia
CityKuala Lumpur
Period30/10/1731/10/17

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All Science Journal Classification (ASJC) codes

  • Energy Engineering and Power Technology
  • Renewable Energy, Sustainability and the Environment
  • Electrical and Electronic Engineering
  • Control and Optimization

Cite this

Chua, T. Z. Y., Ong, Y. T., & Toh, C. L. (2017). Transformerless DC traction power conversion system design for light-rail-transit (LRT). In 2017 IEEE Conference on Energy Conversion, CENCON 2017 (pp. 38-43). (2017 IEEE Conference on Energy Conversion, CENCON 2017; Vol. 2018-January). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/CENCON.2017.8262454