1998•Rail engineering internationalRequires access

MATHEMATICAL DETERMINATION OF TRACK INPUT IMPEDENCES FOR SIGNALLING AND TRACTION POWER SYSTEMS

Nedelcho Nedelchev

Abstract

In this article, the rail-earth and rail-rail input impedances of a free, shunted and broken railway line are determined mathematically with respect to signaling and traction power systems. Consequently, rail-earth and rail-rail input impedences of double-conductor electrical long lines are found. In this respect, computations have been made, the results of which are addressed in this article.

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Key concepts: Traction power network, Third rail, Traction (geology), Track (disk drive), Engineering, Rail transit, Rail transportation, Computation