An Efficient Strategy for Power Rating Reduction of Back-to-Back Converters Used in Railway Power Conditioner

Fazel, S. S.; Jafari Kaleybar, H.; Madadi Kojabadi, H.

doi:10.22068/IJRARE.3.1.19

Volume 3, Issue 1 (6-2016) IJRARE 2016, 3(1): 19-28 | Back to browse issues page

‎ 10.22068/IJRARE.3.1.19

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Fazel S S, Jafari Kaleybar H, Madadi Kojabadi H. An Efficient Strategy for Power Rating Reduction of Back-to-Back Converters Used in Railway Power Conditioner. IJRARE 2016; 3 (1) :19-28
URL: http://ijrare.iust.ac.ir/article-1-93-en.html

An Efficient Strategy for Power Rating Reduction of Back-to-Back Converters Used in Railway Power Conditioner

S. S. Fazel

, H. Jafari Kaleybar

, H. Madadi Kojabadi

School of Railway Eng., Iran University of Science and Technology, Tehran, Iran

Abstract: (2391 Views)

One of the most common solutions to deal with the power quality issues of electrical railway systems is employing Railway Power Conditioner (RPC). In the conventional mode of operation, the RPC power rating deployed in every Traction Power Substation (TPS) is significantly large. This paper mainly focuses on the power rating reduction of RPC through presenting a novel combinatorial compensation method. The inductive and capacitive switching algorithm retrieved from Steinmetz circuit lead to additional auxiliary balance in sequential TPS which declines the RPC function in elimination of the Negative Sequence Current (NSC). The proposed method can reduce the voltage over Sectioning Posts (SP), DC-link operation voltage, back-to-back (B2B) converters rating and installation costs. The accuracy and effectiveness of the proposed strategy are confirmed via simulation results obtained by MATLAB/SIMULINK program.

Keywords: Railway power conditioner Power rating Back to back converter power quality

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Type of Study: Research | Subject: Railway track and structures