Testing a Filtering and Regeneration System on a Recuperative Stand
Journal Title: ANALELE UNIVERSITATII DIN CRAIOVA - Seria Inginerie electrica - Year 2017, Vol 41, Issue 41
Abstract
The paper has three main objectives: the presen-tation of a laboratory model of a system for active filtering and regeneration (SISFREG) developed through an applied research collaborative project in the frame of Partnerships in priority area programme during 2014-2016; the presenta-tion of the methodology and design of recuperative testing structure and the presentation of few experimental results. SISFREG allows the conversion of the DC traction substa-tions into “active substations”. The laboratory model is composed of one configurable voltage source inverter (input voltage range 200-560 V DC; output voltage 3×400 V AC; rated power 30 kVA) adequately interfaced with the DC-line and properly controlled in closed loop. The control algo-rithm was implemented on the dSPACE 1103 system that allows the monitoring of the system too. The methodology and the testing structure configuration started from the actual conditions existed in a substation for DC traction. The experimental structure is based on the equipment avail-able in the laboratory and it contains: the equivalent of the transformer-rectifier traction group; the equivalent of the DC traction motors; the possibility of system to be con-nected, on the one hand, in the connection point of the trac-tion transformer, and, on the other hand, with the DC line (equivalent catenary). Finally, the paper presents several experiments conducted in accordance with the testing pro-tocol, the analysis of the experimental results and the re-sulted performance of the system, during both active filter-ing and regeneration operation modes.
Authors and Affiliations
Alexandru Bitoleanu, Mihaela Popescu, Vlad Constantin Suru
Keywords
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