M.A. Elhirbawy, L.S. Jennings, and W.W.L. Keerthipala
Boundary conditions, electromagnetic field, finite difference method, field reduction, overhead transmission line, phase cancellation
Numerical optimization using recurrent Finite Difference Method (FDM) simulation is a promising direction in selecting power transmission line safe design. This article investigates the feasibility of electromagnetic field reduction by optimization of phase relationship in three-phase systems. Various transmission line phase positions are presented, which feature minimum electromagnetic effect on surface level. Different transmission line structure designs have been investigated in order to select the maximum phaser cancellation in three-phase systems. A deeper insight to the effects of changing the phase relocation has been presented, giving more understanding to the electromagnetic field reduction within the existing right-of-way. The primary objective of this ongoing project is to create rigorous methodology and software capable of solving electromagnetic field in three-phase systems, as well as solving various optimization problems in the field of electromagnetic field reduction for analysis and design of different phase locations. Examples of existing power lines and projects show practical applications.
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