Economic Dispatch in 150 KV Sulselrabar Electrical System Using Ant Colony Optimization
Journal Title: IOSR Journals (IOSR Journal of Electrical and Electronics Engineering) - Year 2018, Vol 13, Issue 3
Abstract
Ant Colony Optimization (ACO) method in this research is used to solve the problem of Economic Dispatch on 150 kV electrical system of South, Southeast, and West Sulawesi (Sulselrabar). As a comparison, Lagrange method is also used. Case studies used include peak loads in both daytime and nighttime. The ACO algorithm looks for an economical thermal generation combination. In this economic dispatch, which serves, as an objective function is the cheapest cost of generation. From the optimization results for the first case of peak of daytime load, ACO generates a total generation cost of IDR 94,670,335.98 per hour to generate power of 270,309 MW with losses of 25,918 MW. Meanwhile, by using the Lagrange method, it provides a total generation cost of IDR 117,121,631.08 per hour to generate power of 339.4 MW with losses of 25,016 MW. In real system, the total generation cost is IDR 127,881,773.68 per hour to generate power of 393.1 MW with losses of 24,956 MW. The ACO is able to reduce the cost of generating the system Sulselrabar IDR 33,211,437.62 per hour or 25.98% at peak of daytime load. Meanwhile, by using Lagrange method it can reduce the cost of generating Sulselrabar system of IDR 10,760,142.6 per hour or 8.41% at peak of daytime load. From the optimization results for the second case of the peak of nighttime load, ACO generates a total generation cost of IDR 131,473,269.39 per hour to generate power of 400,812 MW with losses of 26,219 MW. Whereas by using the Lagrange method can be generated a total generation cost of IDR 134,889,397.56 per hour to generate power of 400.67 MW with losses of 28,352 MW. In real system, the total generation cost is IDR 140,806,274.24 per hour to generate power of 435.3 MW with losses of 26,299 MW. The ACO is able to reduce the cost of generating the system Sulselrabar IDR 9,333,004.9, per hour or 6.62% at night peak load. While using the Lagrange method is able to reduce the cost of generating the system Sulselrabar IDR 5,916,876.7 per hour or 4.2% at peak of nighttime load.
Authors and Affiliations
Tasrif . , Suyono Hadi, Hasanah Rini Nur
Keywords
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- EP ID EP388759
- DOI 10.9790/1676-1303022835.
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