WIT Press


Preliminary Field Testing Of A Servoactuated Pantograph

Price

Free (open access)

Paper DOI

10.2495/CR980801

Volume

37

Pages

10

Published

1998

Size

950 kb

Author(s)

M. Papi, M. Rinchi, A. Rindi & P. Toni

Abstract

One of the main problems concerning high speed running on Italian railways is the current pick up. The contact force between the pantograph and the overhead contact line increases its amplitude and frequency as the speed increases. The frequent detachments generated by this situation cause not only the temporary interruption of power transmission and wire and contact shoe erosion and produce electromagnetic pollution. A frequent method to reduce detachments is based on the progressive increase of uplift force with the increasing speed. This solution can^t be used in high speed running as the excessive contact force necessary to avoid detachments causes a very quick erosion of contact shoes. Furthermore, operating in the above mentioned condition, the amplitude

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