Design aspect of 765kV transmission system for capacity enhancement

Abstract

The electrical power system with its generation transmission and distribution has shown a multifold growth. The generation and distribution have undergone paramount changes but transmission has not, thus in the existing 400 kV and 765 kV transmission system there are constraints to transfer the growing electricity demand. This paper presents a novel aspect of using High Tension Low Sag (HTLS) conductor for existing 400 kV and design of 765 kV system to transfer the growing electricity demand. Further it makes a comparison of the two systems on the basis of efficient power transmission and compares traditionally used conductors with HTLS conductors on the basis of voltage drop and power loss for the benefit evaluation of HTLS conductors over traditionally used conductors.