Abstract
Electrical power generated and transmitted at a long distance away from the power stations is usually affected by inherent transmission line losses. The Ohmic and Corona losses which are predominantly common in power transmission lines are considered in this paper. These two losses are mathematically modeled with and without embedded bundled conductors. The resultant model which is a non-linear multivariable unconstrained optimized equation is minimized using the Hessian matrix determinant method for stability test purposes. The results obtained show that corona losses are minimized with embedded bundled conductors at a very low current value with large spacing distance between the bundled conductors. The decrease in the corona loss which is a consequence of spacing adjustment of the 2, 3, and 4 strands of bundled conductors was plotted using MATLAB 7.14. The plots obtained are in conformity with the inverse relation between corona loss and conductor spacing.
Highlights
The conventional and non-renewable energy generated in electrical form at various power stations are usually situated a long distance away from the load centre [1]
The electrical power generated at the power stations is prevalently transmitted by means of transmission lines which deliver bulk power from generating stations to the load centres and to consumer’s terminal
When 2, 3, and 4 strands of bundled conductor are incorporated, it is observed that the rate of corona loss is decreased with an increased number of bundled conductors as shown in Figures 5, 6, and 7
Summary
The conventional and non-renewable energy generated in electrical form at various power stations are usually situated a long distance away from the load centre [1]. This paper in a bid to ensure that appreciable reduction in corona loss is achieved applied spacing adjustment of 2, 3, and 4 strands of bundled conductors for corona loss minimization. It considered a mathematical modelling for power losses using the Ohmic and corona loss equations. Corona discharge is a phenomenon which involves the ionization of the surrounding air of power conductors at a voltage greater than the critical breakdown voltage [9]. Total power loss on transmission lines is the summation of the Ohmic and Corona loss as given in equation (5). Corona Loss Minimization on High Voltage Transmission Line Network using Bundled Conductors.
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