logo WITPressTransactions on the Built Environment vol 7, © 1994 WIT Press, www.witpress.com, ISSN 1743-3509

CAD of transit high speed electrified railway lines in Poland

L. Mierzejewski & A. Szeląg

Institute of Electrical Machines, Warsaw University of Technology,

Pl. Politechniki 1, 00-661 Warsaw, Poland


The integration of Europe requires an efficient railway transport system which means electrified railways. As different traction systems are used in European countries (DC 1500 and 3000V, AC 15 kV 16 /3Hz, 25kV 50Hz) multisystem locomotives are constructed to be used on high speed trans-European lines. Due to the plans to build new high speed EUROCITY transit railway lines in Poland some study works have been undertaken to assess the readability of supplying multisystem high power high speed locomotives by the functioning supply DC electric traction system on exis ting railway lines. These lines have been used for mixed freight and passenger (long-distance and local) traffic, but the heavy densed time-table of high speed trains creates new energy demands for which the capacity of the supply system ought to be thoroughly investigated. The analysis of the electrified route has been carried out with objectives including an examination of specific methods for increasing its capacity without a large capital expenditure. To conduct the study specialized CAD methods and simulation models were used.


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logo WITPressTransactions on the Built Environment vol 7, © 1994 WIT Press, www.witpress.com, ISSN 1743-3509