The optimal performance of solar panels is very important to produce maximum electrical energy. Solar panels can work optimally when equipped with a solar tracker. The solar panel tracker works by following the sun's movement. A Proportional, Integral, Derivative (PID) based control is used to optimize the performance of the solar tracker. An optimal tuning is needed to get the PID parameter. The Firefly method is an intelligent method that can be used to optimize PID parameters. Three Firefly Algorithm (FA) parameters are used in the program: Beta is used to determine firefly speed, Alpha is used for flexibility of movement, and Gamma is used for more complex constraints or problems. This Dual Axis photovoltaic tracking study uses the beta value determination, changing the Bêta value from 0.1 to 0.9. From the results of 10 models, it was found that the PID constant values were varied. On the horizontal Axis, the best results are if the Beta is given at 0.4, and the worst result is if the Beta is given at 0.8. On the vertical Axis, the best results are if the Beta is given at 0.3, and the worst result is if the Beta is given at 0.8.
The Firefly Algorithm (FA) method is presented inspired by the social behavior of fireflies and the phenomenon of bioluminescent communication. There are three FA parameters used in the program, beta is used to determine firefly speed, alpha is used for flexibility of movement, and gamma is used for more complex constraints or problems. In this dual axis photovoltaic tracking study using the beta value determination. By changing the Bêta value from 0.1 to 0.9. From the results of 10 models, it was found that the PID constant values were varied. On the horizontal axis, the best results if the beta is given at 0.4 and the worst result if the beta is given at 0.8. On the vertical axis, the best results if the beta is given at 0.3 and the worst result if the beta is given at 0.8.
Merit order adalah metode paling sederhana dalam economic dispatch yang dilakukan dengan mengurutkan pembangkit dari yang paling rendah sampai yang paling tinggi biaya operasinya. Pembangkit yang paling rendah biaya operasinya (Rp/MWh) dianggap sebagai pembangkit yang paling ekonomis. Penelitian ini membahas tentang perhitungan daya pada pembangkit dengan menggunakan metode merit order. Ada tiga pembangkit yang digunakan untu menyuplai beban sebesar 975 MW. Simulasi digunakan dengan memperhitungkan losses. Hasil menunjukkan bahwa merit order membantu dispatcher untuk mengambil keputusan lebih cepat. SOP merit order dibuat berdasarkan biaya operasi pembangkit sehingga harus selalu disesuaikan dengan harga bahan bakar terkini.
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