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Adiaksa, Irgianto Candra
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Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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Analisis Kerusakan Dini Transformator Distribusi Ulp Padangan Penyulang Watu Jago Menggunakan Metode Reliability, Availability, Maintainability (RAM) Suprawikno, Suprawikno; Adiaksa, Irgianto Candra
SIMETRIS Vol 18 No 2 (2024): SIMETRIS
Publisher : Sekolah Tinggi Teknologi Ronggolawe Cepu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51901/simetris.v18i2.492

Abstract

Transformator distribusi listrik memiliki peran penting mengubah tegangan tinggi menjadi tegangan rendah sesuai untuk konsumen. Transformator ini beroperasi terus-menerus selama 24 jam dalam pendistribusian listrik. Terutama saat mendistribusikan tegangan ekstra tinggi, pengawasan diperlukan untuk menjaga keamanan dan kinerja. Metode Reliability, Availability, Maintainability (RAM) digunakan untuk menganalisis efektivitas dan potensi kerusakan pada transformator. Hasil analisis menunjukkan bahwa pada Januari, Mean Time Between Failures (MTBF) 372 jam dengan 2 kegagalan, sementara di Juni hanya 1 kegagalan. Mean Time To Repair (MTTR) pada Januari 1,03 jam dengan 2 perbaikan, sedangkan di Juni hanya 1 perbaikan dengan 0,8 jam. Failure Rate Januari 0,269%, Juni 0,139%. Keandalan transformator selama 6 bulan terakhir 99,94% dan akan berkurang. Ketersediaan dalam 6 bulan terakhir 99,94%, namun akan menurun. Maintainability cenderung lebih rendah dan akan semakin menurun. Analisis merekomendasikan ganti transformator dalam 1,77 tahun mendatang karena Maintainability semakin menurun. Meski umumnya digunakan 5-10 tahun, tingkat Maintainability mempengaruhi penggunaan efektif dalam distribusi listrik.
Analisis Kerusakan Dini Transformator Distribusi Ulp Padangan Penyulang Watu Jago Menggunakan Metode Reliability, Availability, Maintainability (RAM) Suprawikno, Suprawikno; Adiaksa, Irgianto Candra
SIMETRIS Vol 18 No 2 (2024): SIMETRIS
Publisher : Sekolah Tinggi Teknologi Ronggolawe Cepu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51901/simetris.v18i2.492

Abstract

Electricity distribution transformers have an important role in converting high voltage into low voltage suitable for consumers. These transformers operate continuously for 24 hours in the distribution of electricity. Especially when distributing extra high voltage, supervision is required to maintain safety and performance. The Reliability, Availability, Maintainability (RAM) method is used to analyze the effectiveness and potential damage to the transformer. The analysis results show that in January, the Mean Time Between Failures (MTBF) was 372 hours with 2 failures, while in June only 1 failure. Mean Time To Repair (MTTR) in January 1.03 hours with 2 repairs, while in June only 1 repair with 0.8 hours. Failure Rate January 0.269%, June 0.139%. Transformer reliability over the last 6 months is 99.94% and will decrease. Availability in the last 6 months is 99.94%, but will decrease. Maintainability tends to be lower and will decrease further. The analysis recommends replacing the transformer in the next 1,77 years as the ease of repair is decreasing. Although generally used for 5-10 years, the level of ease of repair affects the effective use in electricity distribution.
Co-Authors Suprawikno .