Insulator String Design Optimization Using Non-Linear Optimization Techniques

K. Aramugam [1]
[1] Asia Pacific University, Malaysia
Publié en 2015

Insulator strings are widely used in high voltage transmission lines to mechanically support the line and electrical insulator fixed between line and the tower. Corona discharges may cause a complete failure of an insulator string due to the high intensity of electric field. Applying a corona ring on insulator string is an important approach to decrease the effect of corona. This work analyzed the effect of the dimensions of the corona ring and optimized using non-linear optimization techniques. From the results obtained, parameters of the corona ring were very important in the maximum reduction of the electric field. Particle Swarm Optimization (PSO) and Genetic Algorithm (GA) were used as the optimization techniques to derive the objective function between the maximum electric field and corona ring dimensions.

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