Abstract
Overhead transmission systems require strips of land to be premeditated as right-of-ways (ROW). These strips are usually estimated in relation to various aspects; the most important one being the operating effects of the energized line including magnetic and electric field effects. Determination of the maximum value of the electric and magnetic field stress at ground surface is very necessary and important. It is always required to minimize the amount of land set for high voltage transmission facilities. Two different configurations viz. horizontal and delta configuration are evaluated for performance analysis of 765 kV line. Electric and Magnetic field profiles are plotted in lateral as well as in longitudinal directions to find maximum possible value of the fields. Next optimization is applied by changing design parameters of the line configurations and best design involving minimum cost and giving best performance in terms of electric and magnetic fields is identified. ROW is optimized by applying concept of compact tower design.
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