In the first phase after the change of the electric traction system from 3kV DC to 25kV AC supply there is a need for 11 electric locomotives of series 1141/1142 for freight transport, although according to calculations due to the reduced current maintenance 9 locomotives are required. According to the throughput capacity of the line on the most disadvantageous section Lokve - Fuzine the utilization is 71%, which gives the possibility of using the extra locomotives that could according to the valid Traffic-technical Instructions carry 11 pairs of freight trains, and at 100% of utilization of gross weight of the hauled trains 22,000t in both directions can be hauled, which is an increase of 22%. By increasing the number of locomotives, with 15 available ones, the number of pairs of freight trains would also increase, which could be hauled, and it amounts to 16 pairs of trains and the increase of the total gross mass of trains hauled in both directions Qtotal = 32,000t. This is an increase in relation to the current situation of 78%. Besides, the mass of trains would also be increased from 1,000t to 1,500t. By purchasing new 15 electric locomotives (mono-system or multi-system ones), of minimal power of 5MW, the gross mass of hauled trains in both directions would be increased, with maximum availability of new locomotives.
Determining traffic and technical characteristics of new locomotives on Rijeka-Zagreb line after the catenary voltage unification
2014
6 Seiten, Tabellen, 5 Quellen
Conference paper
English
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