Optimalization of Capacitor Placement in West Sumatra nd Riau Transmission System by Using Genetic Algorithm Method

Ratna, Paramita (2017) Optimalization of Capacitor Placement in West Sumatra nd Riau Transmission System by Using Genetic Algorithm Method. Diploma thesis, Universitas Andalas.

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Abstract

Central Sumatra Transmission System is a transmission system that distributes electrical energy to loads located in West Sumatra, Riau and Jambi. In this Central Sumatra transmission system under certain conditions, such as peak loads, often leads to high loss of power resulting in voltage drops on the line causing losses in the supply of electricity to consumers. To reduce the occurrence of losses - power loss on the transmission line can be done simulation placement of capacitors. One method of optimization that is quite effective for bank capacitor placement is the genetic algorithm. In this method, the placement of the capacitor is performed by referring to the chromosome selection obtained. The result will be obtained by the best chromosome of an existing population that contains the optimum conditions of capacitor placement that can minimize the loss of power that occurs on the channel. In this final project simulation is done on transmission network of West Sumatra and Riau. Before performing a capacitor placement simulation, the first is to calculate the power-rug power flow on the transmission system of West Sumatra and Riau using Newthon-Raphson method and obtain the result of 9,059 MW and 32,220 MVAR. For simulation of capacitor bank placement is done by algorithm method The terabit smoothing program includes the location of capacitor placement along with its size. The simulation result of the program of genetic algorithm on West Sumatera and Riau system is placed in capacitor on eleven buses, namely bus 1 is 340 MVAR, bus 4 is 300 MVAR, bus 6 is 380 MVAR, bus 9 is 370 MVAR, bus 10 is 90 MVAR, bus 13 is 320 MVAR, bus 21 of 210 MVAR, bus 21 of 250 MVAR, bus 24 of 220 MVAR, bus 25 of 290 MVAR and bus 30 of 30 MVAR, with loss of power 1,172 MW and 4,242 MVAR. So we know the value of power loss loss before and after installation of 7,887 MW and 27,978 MVAR. Keywords: Power Losses, Bank Capacitor, Transmission System, Algorithm Genetic.

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