ANALISIS KEANDALAN SISTEM DISTRIBUSI PADA PENYULANG SABAGI PT. PLN (PERSERO) AREA BANTEN SELATAN DENGAN METODE FMEA (FAILURE MODE AND EFFECT ANALYSIS) DAN METODE SECTION TECHNIQUE

SETIAWAN, M. ARIF BUDI (2018) ANALISIS KEANDALAN SISTEM DISTRIBUSI PADA PENYULANG SABAGI PT. PLN (PERSERO) AREA BANTEN SELATAN DENGAN METODE FMEA (FAILURE MODE AND EFFECT ANALYSIS) DAN METODE SECTION TECHNIQUE. S1 thesis, Universitas Mercu Buana Jakarta.

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Abstract

The continuity of 20 kV electricity distribution system to PLN’s cutomers, especially PLN’s customers at South Banten Area was quite influence of system reliability index. Reliability level of electricity’s distribution system could be measured from how much fault were happened and how long the duration of the fault for recovery to the system and continuity of electricity distribution also quite influence with every equipment of component or element of distribution system. In this research, it has been performed analysis study of reliability level of 20 kV distribution at PLN South Banten Area specific on Sabagi feeder with Failure mode and effect analisys (FMEA) Method and Section Technique Method to identify and evaluate reliability level of the feeder so the result could be compared with PLN’s standard. The result of the analysis study with FMEA Method showed the value of SAIFI = 2.4054 fault/year, SAIDI’s Value = 7.2426 hours/year, and CAIDI’s value = 3.011 hours/year. Meanwhile the result of analysis study with Section Technique method showed the value of SAIFI = 2.4226 fault/year, SAIDI’s value = 7.3219 hours/year, and CAIDI’s value = 3.022 hours/year. The difference value of reliability index SAIFI, SAIDI, and CAIDI on Sabagi Feeder were not significant between result of both methods, FMEA and Section Technique. Based on the results, the reliability level of Sabagi Feeder was still reliable and meet SPLN 68, which were SAIFI’s value was 3.2 fault/year and SAIDI’s value was 21 hours/year. Keywords : FMEA, Section Technique, Index, Reliability,Distribution System. Keberlangsungan sistem distribusi tenaga listrik 20 kV kepada pelanggan PLN, khsususnya pelanggan PLN Area Banten Selatan tentunya sangat dipengaruhi oleh tingkat keandalan sistem. Tingkat keandalan dapat diukur dari berapa kali gangguan yang terjadi dan lama durasi untuk melakukan recovery sistem serta kontinuitas pendistribusian listrik yang sangat dipengaruhi oleh setiap komponen peralatan atau element dalam sistem distribusi. Pada Tugas Akhir ini dilakukan studi analisa tingkat keandalan distribusi 20 kV pada area pelayanan PLN Area Banten Selatan khusus penyulang (feeder) Sabagi dengan menggunakan metode FMEA (Failure Mode and Effect Analysis) dan metode section technique dengan tujuan mengetahui tingkat indeks keandalan penyulang Sabagi tersebut sehingga dapat dibandingkan dengan standar PLN. Hasil yang didapat dari analisis perhitungan dengan metode FMEA nilai SAIFI = 2.4054 gangguan/tahun, SAIDI = 7.2426 jam/tahun dan CAIDI = 3.011 jam/tahun. Sedangkan dengan metode section technique nilai SAIFI =2.4226 gangguan/tahun, SAIDI = 7.3219 jam/tahun dan CAIDI = 3.022 jam/tahun. Perbedeaan nilai indeks keandalan SAIFI, SAIDI dan CAIDI pada penyulang Sabagi tidak terlalu signifikan antara metode FMEA dan metode Section Technique. Berdaasarkan hasil analisa tingkat keandalan tersebut penyulang Sabagi bisa dikatakan masih memenuhi SPLN 68 yaitu SAIFI sebesar 3.2 gangguan/tahun dan SAIDI 21 jam/tahun. Kata kunci : FMEA, Section Technique, indeks, keandalan, sistem distribusi.

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