Influence of contact gaps on the conditions of vehicles supply and wear and tear of catenary wires in a 3 kV DC traction system

• Autorzy: Maciołek T. , Lewandowski M. , Szeląg A. , Steczek M.

Identyfikatory

DOI

10.24425/bpasts.2020.133373

• Języki publikacji: EN

Abstrakty

EN

Short-term contact losses between a pantograph and a contact wire are not included in the standards nor are they taken into account in evaluating pantograph-contact wire interaction. These contact losses, however, accelerate wear and tear as well as disturb operation of vehicles’ drive systems. The article presents the effects of short-term contact breaks as well as an analysis of impact of contact breakages on a vehicle’s current at 3 kV DC power supply. Results of voltage and current oscillations measured in real conditions when pantograph of a DC driven chopper vehicle was running under isolators were presented. Then a simulation model of a vehicles with ac motors and voltage inverters was derived to undertake simulation experiments verifying operation of such a vehicle in condition similar to those measured in real condition.

Słowa kluczowe

EN

pantograph; overhead line; pantograph-catenary interaction; contact losses; traction drive

• Wydawca: Polska Akademia Nauk, Wydział IV Nauk Technicznych
• Czasopismo: Bulletin of the Polish Academy of Sciences. Technical Sciences
• Rocznik: 2020
• Tom: Vol. 68, nr 4
• Strony: 759--768
• Opis fizyczny: Bibliogr. 25 poz., rys., tab.

Twórcy

autor

Maciołek T.

• Institute of Electrical Power Engineering, Warsaw University of Technology, Warsaw, Poland

autor

Lewandowski M.

• Institute of Electrical Power Engineering, Warsaw University of Technology, Warsaw, Poland

autor

Szeląg A.

• Institute of Electrical Power Engineering, Warsaw University of Technology, Warsaw, Poland

autor

Steczek M.

• Institute of Electrical Power Engineering, Warsaw University of Technology, Warsaw, Poland

Bibliografia

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Uwagi

PL

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).