Published January 1, 2012
| Version v1
Journal article
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Power Quality Solutions for Light Rail Public Transportation Systems Fed by Medium-Voltage Underground Cables
Creators
- 1. TUBITAK Space Technol Res Inst TUBITAK Uzay, Power Elect Dept, TR-06531 Ankara, Turkey
- 2. Endoks Energy Syst, TR-06370 Ankara, Turkey
- 3. Middle E Tech Univ, Dept Elect & Elect Engn, TR-06531 Ankara, Turkey
- 4. Hacettepe Univ, TR-06532 Ankara, Turkey
Description
In this paper, the combination of a thyristor-switched shunt reactor and a current source converter-based active power filter has been proposed for mitigation of power quality (PQ) problems of Light Rail public Transportation Systems (LRTSs) fed by long medium-voltage underground cables. A case study has been carried out on a typical LRTS to assess the performance of the proposed solution for both capacitive reactive power compensation of underground cables and harmonic filtering of 12-pulse catenary rectifiers. It has been shown by extensive field tests carried out that this solution meets the requirements satisfactorily, thus constituting a complete solution to the PQ problems of LRTS. Conventional PQ solutions have been also assessed, and the corresponding theoretical results are given in comparison with the proposed system.
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