02113 A User-Friendly Simulation Software for the Cathodic Protection of Large Networks of Buried Pipelines Influenced by DC-Traction Stray Currents

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Product Number: 51300-02113-SG

ISBN: 02113 2002 CP

Author: Leslie Bortels

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A simulation software for the cathodic protection (CP) of underground pipeline networks is presented. This software uses an advanced model for the coating quality, taking into account the local soil resistivity, holiday ratio, average holiday size, coating thickness and resistance. The model considers the ohmic voltage drop in the pipes and integrates aboveground structures like rail bars, sub-stations, electric trains or trams and overhead wires. As a result the model gives the pipe- to-soil potentials along a pipe, the axial currents flowing through the pipes as well as the radial current densities leaving or entering the pipe walls. The software can deal with all standard kinds of cathodic protection interferences as well as stray currents coming from other CP installations, DC-traction systems, HVDC transmission lines, earthing systems and others. A complex situation with railways interference is investigated and it is found that the numerical calculations are confirmed by qualitative observations.

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51318-10689-PIPELINE STRAY DIRECT CURRENT (DC) INTERFERENCE

Product Number: 51318-10689-SG

Author: Eric S. Langelund

Publication Date: 2018

$20.00

Concerns related to stray DC interference. Including safety, testing, documentation and lessons learned. Also addressed are DC powered transit systems and other unordinary sources of DC interference.

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03202 The use of Dedicated Simulation Software for the Design and Understanding of the Cathodic Protection of Underground Pipeline Networks under various Interference Conditions

Product Number: 51300-03202-SG

ISBN: 03202 2003 CP

Author: Leslie Bortels

Publication Date: 2006

$20.00

A simulation software for the cathodic protection (CP) of underground pipeline networks is presented. In this paper, the software will be applied to two different cases. The first concerns the design of the cathodic protection of a 55 km pipeline section. The second is the evaluation of an existing pipeline network in the north-west of The Netherlands.