Amali, Kamil
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DESAIN DAN IMPLEMENTASI PEMBANGKIT LISTRIK SKALA PICOHIDRO BERBASIS POTENSI ALIRAN SUNGAI DI DUSUN BONTULA: PEMBANGKIT LISTRIK SKALA PICOHIDRO Amali, Kamil
Journal Of Renewable Energy Engineering Vol. 3 No. 1 (2025): Journal Of Renewable Energy Engineering
Publisher : Program Vokasi-Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56190/jree.v3i1.48

Abstract

Pemenuhan kebutuhan energi listrik di daerah terpencil masih menjadi tantangan besar, khususnya di wilayah dengan akses jaringan listrik yang terbatas seperti Dusun Bontula. Penelitian ini bertujuan untuk merancang dan mengimplementasikan sistem pembangkit listrik tenaga air skala kecil (Pikohidro) yang memanfaatkan potensi aliran sungai lokal sebagai sumber energi terbarukan. Metode yang digunakan meliputi survei lokasi untuk mengukur debit dan tinggi jatuh air (head), perancangan sistem mekanik dan elektrik (turbin, pipa penstock, generator, dan sistem distribusi), serta uji kinerja sistem secara langsung di lapangan. Hasil penelitian menunjukkan bahwa sistem pikohidro yang dirancang mampu menghasilkan daya listrik sebesar 750 Watt, cukup untuk memenuhi kebutuhan penerangan dasar sejumlah rumah di dusun tersebut. Implementasi sistem ini menunjukkan bahwa teknologi pikohidro dapat menjadi solusi alternatif yang berkelanjutan, ramah lingkungan, dan sesuai dengan kondisi geografis serta sosial ekonomi masyarakat pedesaan
KARAKTERISTIK TEGANGAN TEMBUS MINYAK TRAFO SHELL DIALA B MENGGUNAKAN MATERIAL ELEKTRODA BERBAHAN STAINLES STEEL, KUNINGAN, TEMBAGA DAN ALUMUNIUM Amali, Kamil; Mohamad, Yasin; Yusuf, Taufik Ismail; Ntobuo, Nova Elysia
Journal Of Renewable Energy Engineering Vol. 2 No. 1 (2024): Journal Of Renewable Energy Engineering (April)
Publisher : Program Vokasi-Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56190/jree.v2i1.24

Abstract

Transformer oil insulation breakdown voltage testing is usually carried out at high AC voltage using the SPLN 49-1 1982 standard. The electrodes used are hemispherical electrodes with a distance between the electrodes of 2.5mm. The breakdown voltage value of transformer oil insulation that meets the standards according to SPLN 49-1 of 1982 is 30 kV/2.5mm. In this research, a new Shell Diala B brand transformer oil insulation breakdown voltage test was carried out using the SPLN 49-1 1982 testing standard. The novelty of this research is using various electrode shapes and different electrode materials to test the breakdown voltage of the transformer oil's liquid insulation. The method used in this research is an experimental method where the test is adapted to the SPLN 49-1 standard of 1982. The electrodes used are ball, needle, and plate electrodes. Based on test results at a distance between electrodes of 2.5 mm, it was found that the breakdown voltage characteristics of stainless steel, brass, copper, and aluminum electrode materials varied and did not meet the SPLN 49-1 1982 standard, namely 30 kV/2.5 mm.
Relay OCR dan GFR ANALISIS KINERJA OVER CURRENT RELAY (OCR) & GROUND FAULT RELAY (GFR) PADA PENYULANG 20KV GB5 ULTG GORONTALO MENGGUNAKAN ALAT UJI CMC 356 Amali, Kamil; Damogalad, Muhamad Rifai; Yusuf, Taufik Ismail; Harun, Ervan Hasan; Tolango, Ade Irawaty
Journal Of Renewable Energy Engineering Vol. 2 No. 1 (2024): Journal Of Renewable Energy Engineering (April)
Publisher : Program Vokasi-Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56190/jree.v2i1.31

Abstract

This research was conducted to test the reliability of the performance of the OCR-GFR relay whether it complies with the settings or not during field testing and to find out a comparative analysis of the performance of theoretical calculations with the results of field testing using the CMC 356 test equipment. This research uses a descriptive method. This research aims to determine whether the performance of the OCR–GFR relay that is being used is still good performance or suitable for use. And the tests carried out are pick up and drop off tests and characteristic tests. The results of the OCR pick-up and drop-off relay test were 1.2 A and the drop-off was 1.134 A. Meanwhile, for the GFR relay the pickup relay was 0.20 A and the drop-off was 185.0 mA. The results of the pickup and drop-off tests can conclude that the relay works according to its settings. Meanwhile, for field testing, the OCR relay characteristics at 1.5 times the setting current are 3.627 s and the theoretical calculation results are 3.697 s. For the GFR relay, the field test results obtained were 1.5 times the setting current, namely 1.981 s, and the theoretical calculation results were 1.977 s. This means that the test results are close to the calculated values. This shows that the Micom P142 OCR/GFR Relay tested is still in good performance.