Azmi, Yuzka (2022) Kontrol Optimal Diesel Engine Generator Menggunakan Variable Speed Doubly Fed Induction Generator untuk Mengurangi Konsumsi Bahan Bakar. Other thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
PLTD atau Pembangkit Listrik Tenaga Diesel masih banyak digunakan di Indonesia, terutama di wilayah terpencil atau pulau-pulau kecil. Pada operasi normal, generator diesel konvensional dirancang dengan kecepatan konstan untuk menjaga frekuensi. Umumnya generator diesel harus dioperasikan minimal 50% dari rating dayanya walaupun permintaan dayanya kurang dari 50%. Hal tersebut menyebabkan efisiensi bahan bakar dari generator diesel berkurang karena konsumsi bahan bakar tetap meskipun permintaan daya yang rendah. Salah satu solusi yang dapat dipakai untuk mengurangi konsumsi bahan bakar adalah penerapan variabel kecepatan pada pengoperasian DEG (Diesel Engine Generator) dimana kecepatan putar mesin dapat diatur mengikuti besar beban. DFIG (Doubly Fed Induction Generator) dapat dipakai dengan operasi variabel kecepatan dimana outputnya dikontrol dengan power converters berdasarkan permintaan beban. Pada penelitian ini kontrol optimal dari Diesel Engine Generator dikembangkan menggunakan variable speed DFIG mengikuti perubahan beban aktif dan reaktif dengan fuzzy logic controller. Hasil dari penelitian menunjukkan DFIG dapat dikontrol melalui RSC dengan fuzzy logic controller dan dapat meredam overshoot jika dibandingkan dengan hasil kontrol PI. Penerapan variabel kecepatan pada pengoperasian generator diesel dapat mengurangi konsumsi bahan bakar hingga 0.12 liter/kWh atau 21.41% dari pengoperasian generator diesel konvensional.
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Diesel Power Plants are still widely used in Indonesia, especially in remote areas or small islands. In normal operation, conventional diesel generators are designed with constant speed to maintain frequency. Generally, diesel generators must be operated at at least at 50% of their rated power even if the power demand is less than 50%. This causes the fuel efficiency of the diesel generator to decrease as fuel consumption remains constant despite the low power demand. One solution that can be applied to reduce fuel consumption is the application of variable speed in the operation of DEG (Diesel Engine Generator) where the speed of engine is adjusted according to the size of the load. DFIG (Doubly Fed Induction Generator) can be used with variable speed operation where the output is controlled by power converters based on load demand. In this study, the optimal control of the Diesel Engine Generator was developed using variable speed DFIG following changes in active and reactive loads with a fuzzy logic controller. The results of the study show that DFIG can be controlled via RSC with a fuzzy logic controller and can reduce overshoot when compared to the results of PI control. By applying the variable speed mode on diesel generator operation, fuel consumption can be reduced by up to 0.12l/kWh or 21.41% compared with conventional operation.
| Item Type: | Thesis (Other) |
|---|---|
| Additional Information: | RSE 621.313 Azm k-1 2022 |
| Uncontrolled Keywords: | Doubly-Fed Induction Generator (DFIG), Diesel-Engine Generator (DEG), Konsumsi Bahan Bakar, Variable Speed, Fuzzy Logic Controller |
| Subjects: | H Social Sciences > HD Industries. Land use. Labor > HD9695.U52 Electric generator industry |
| Divisions: | Faculty of Intelligent Electrical and Informatics Technology (ELECTICS) > Electrical Engineering > 20201-(S1) Undergraduate Thesis |
| Depositing User: | - Davi Wah |
| Date Deposited: | 21 Nov 2023 08:33 |
| Last Modified: | 21 Nov 2023 08:33 |
| URI: | http://repository.its.ac.id/id/eprint/105172 |
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