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05242 Track-to-Earth Resistance, What Does it Mean?

The development of design levels of track-to-earth resistance has been diluted and misunderstood. This paper will describe development of track-to-earth resistance levels,  examples of differences in systems and extensions, describe the latest technologies and discuss acceptance testing.

 

Product Number: 51300-05242-SG
ISBN: 05242 2005 CP
Author: Edwin Wetzel, Professional Corrosion Service
Publication Date: 2005
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The development of design levels of track-to-earth resistance has been diluted and misunderstood since its inception as an industry standard requirement for dc electrified transit systems.  This paper will describe the general development of track-to-earth resistance levels, present examples of differences from system to system and extension to extension, describe the latest technologies for track isolation and anticipated track-to-earth resistance levels and discuss post construction acceptance testing of track-to-earth resistance.

Keywords: dc powered transit, track-to-earth resistance, stray current, traction power model, stray current control, track isolation, transit design, transit construction, light rail, heavy rail.

The development of design levels of track-to-earth resistance has been diluted and misunderstood since its inception as an industry standard requirement for dc electrified transit systems.  This paper will describe the general development of track-to-earth resistance levels, present examples of differences from system to system and extension to extension, describe the latest technologies for track isolation and anticipated track-to-earth resistance levels and discuss post construction acceptance testing of track-to-earth resistance.

Keywords: dc powered transit, track-to-earth resistance, stray current, traction power model, stray current control, track isolation, transit design, transit construction, light rail, heavy rail.

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