Title: Simulation of Electromagnetic Coupling on Pipelines
close to Overhead Transmission Lines: A Parametric Study
Authors: A. Al-Badi and H. M.
Al-Rizzo
Abstract: Electromagnetic interference effects caused by
electric power lines on neighboring metallic utilities such as water, gas or oil
pipelines became a major concern due to significant increase in the load and
short circuit current levels needed to satisfy the load requirements. Another
reason for increased interference levels originates from the environmental
concerns, which impose on various utilities the obligation to share common
corridors. This paper presents three different scenarios of a pipeline in which
all types of electromagnetic interference (coupling) will be investigated and
their effects on the pipeline will be predicted. The level of the calculated
voltage, owing to each type of coupling, depends on different factors (voltage
level, length of parallelism, separation distance, soil resistivity, load
current magnitude and pipeline coating). The effects of these factors are
discussed; some factors such as the fault current level, separation distance and
soil resistivities are found to exhibit large influence on the pipeline voltage.
To the best of the authors’ knowledge, the comprehensive analyses presented in
this paper considering all types of interference have not yet been published
elsewhere.