Analysis of Induced Voltage on Pipeline Located Close to Parallel Distribution System

Hyoun-Su Kim, Hae-Yeol Min, J. Geoffrey Chase and Chul-Hwan Kim
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Hyoun-Su Kim: Samsung Electronics Device Solutions, Pyeongtaek 17786, Korea
Hae-Yeol Min: Smart Grid Research Center, Korea Electrotechnology Research Institute (KERI), Gwangju 61751, Korea
J. Geoffrey Chase: Department of Mechanical Engineering, University of Canterbury, Christchurch 8041, New Zealand
Chul-Hwan Kim: Department of Electronic and Electrical Engineering, Sungkyunkwan University, Suwon 440-746, Korea

Energies, 2021, vol. 14, issue 24, 1-13

Abstract: Gas and oil pipelines are widely used to supply customers. They are often laid in parallel with high voltage power lines, sharing right of way. When the pipeline is located near overhead high-voltage power, corrosion caused by induced voltages from AC power lines can occur in utility pipelines. Therefore, the calculation of induced voltage is always required for both interference and maintenance workers as well as pipeline facility safety. For parallel distribution lines, the calculation method for the induced voltage is not suitable due to the excessive error caused by using the screening factors of the neutral current. For a more practical analysis of the induced voltage, a new analysis is needed using the actual neutral current and which also considers the overhead ground conductor and the neutral conductor. This paper analyzed the induced voltage from a parallel distribution system using Carson’s formula and vector analysis. Simulation analysis results are verified by separate Electromagnetic Transient Program (EMTP) simulation.

Keywords: distribution system; EMTP; induced voltage; pipeline; vector analysis (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
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