Graduate Thesis Or Dissertation
 

Analysis of the D. C. electric field for a pipeline in a three layered earth

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  • This paper develops an equation, from an heuristic set of assumptions, which describes the axial current, leakage current, resultant electric field, and resultant earth potential occurring when a pipeline buried within a resistive earth is subjected to a distributed, primary, axial, electrostatic field produced from a high-voltage, direct-current (HVDC) power transmission system utilizing ground-current return. The pipeline equation was programmed for solution upon a large scale computer and some extreme cases were studied. The developed equations and their necessary solution techniques comprise the main effort of the research. A detailed explanation of the elimination technique for the linear algebraic set of equations arising from the discrete processes performed to solve the pipeline equation at axial grid locations, and the Simpson rule numerical integration technique which was written to handle any number of non-uniformly spaced grids, are presented to facilitate use of the programs. Suggestions for further work to enlarge the scope of problems which can be solved by this method are presented.
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