Update Artikelilmiah: 25226

RANY SAWITRI

NIM

Judul Artikel

Abstrak (Bhs. Indonesia)

Dalam suatu sistem distribusi terdapat hal penting yang harus diperhatikan yaitu keandalan. Sistem tenaga listrik yang andal dan energi listrik dengan kualitas yang baik atau memenuhi standar, mempunyai kontribusi yang sangat penting bagi kehidupan masyarakat modern. Dalam upaya meningkatkan keandalan digunakan teknologi Distributed Generation yang merupakan pengembangan teknologi sistem tenaga listrik dengan skala kecil yang mengutamakan pemanfaatan sumber-sumber energi terbarukan (Renewable Energy) yang ramah lingkungan berkelanjutan (Sustainable), dan ekonomis. Analisis pengaruh DG terhadap keandalan dilakukan untuk mengetahui nilai indeks keandalan pada penyulang MRA05 Mrica, dengan dua kondisi yaitu, DG terpasang dan DG tidak terpasang. Sehingga dapat diketahui unjuk kerja dari pengaruh DG terhadap sistem distribusi. Analisis ini dilakukan dengan memodelkan single line diagram penyulangMRA05 dengan menggunakan software ETAP (Electrical Transient Analyzer Program), setelah didesain didalam ETAP maka dilakukan pengisian data peralatan mulai dari sumber menuju beban, lalu dilanjutkan dengan simulasi dan analisis pengaruh DG terhadap keandalan. Indeks keandalan yang didapat berdasarkan perhitungan menggunakan data real dilapangan diperoleh nilai SAIFI sebesar 1,00492 gangguan/tahun, nilai SAIDI sebesar 2,77271 jam/tahun, nilai CAIDI sebesar 32,7591jam/gangguan. Lalu dari hasil simulasi penyulang MRA05 dengan 2 kondisi, dimana kondisi pertama diperoleh Indeks keandalan saat kondisi DG belum terpasang, nilai SAIFI sebesar 6,2693 gangguan/tahun, nilai SAIDI sebesar 41,8579 jam/tahun, nilai CAIDI sebesar  6.677 jam/gangguan, sedangkan kondisi kedua, diperoleh Indeks keandalan saat kondisi DG sudah terpasang, nilai SAIFI sebesar 4,2706 gangguan/tahun, nilai SAIDI sebesar  11,5078 jam/tahun, nilai CAIDI sebesar 2,695 jam/gangguan.

Abtrak (Bhs. Inggris)

In a distribution system there is an important thing that must be considered is reliability. Reliable electric power systems and electrical energy with good or standard quality have a very important contribution to the lives of modern society. In an effort to improve reliability, Distributed Generation technology is used to develop small-scale electric power system technology that prioritizes the use of Renewable Energy that is environmentally friendly, sustainable and economical. Analysis of DG influence on reliability is done to determine the value of the reliability index in Mrica MRA05 feeders, with two conditions namely, DG installed and DG not installed. So that it can be seen the performance of the influence of DG on the distribution system. This analysis is done by modeling a single line MRA05 feeder diagram using ETAP (Electrical Transient Analyzer Program) software, after being designed in ETAP, the data is filled in from the source to the load, then continued with simulation and analysis of DG influence on reliability. Reliability index obtained based on calculations using real data in the field obtained SAIFI value of 1.00492 disturbances / year, SAIDI value of 2.77271 hours / year, CAIDI value of 32.7591 hours / disturbance. Then from the simulation results of MRA05 feeders with 2 conditions, where the first condition obtained the reliability index when DG conditions were not installed, the SAIFI value was 6.2693 disturbances / year, SAIDI values were 41.88579 hours / year, CAIDI values were 6.677 hours / disturbance, while the second condition, the reliability index was obtained when DG conditions were installed, the SAIFI value was 4,2706 disturbances / year, the SAIDI value was 11,5078 hours / year, CAIDI value was 2,695 hours / disturbance.

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