Analisa Prediksi Usia Pakai Tranformator 60 MVA Berdasarkan Pengaruh Pembebanan dan Temperatur Menggunakan Metode Regresi Linier. (Analysis of Prediction of 60 MVA Transformer Service Life Based on the Influence of Loading and Temperature Using Linear Regression Method).

Berlianto, Bagas (2024) Analisa Prediksi Usia Pakai Tranformator 60 MVA Berdasarkan Pengaruh Pembebanan dan Temperatur Menggunakan Metode Regresi Linier. (Analysis of Prediction of 60 MVA Transformer Service Life Based on the Influence of Loading and Temperature Using Linear Regression Method). Undergraduate thesis, Universitas 17 Agustus 1945 Surabaya.

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Abstract

Transformator Daya merupakan salah satu peralatan penting dalam penyaluran listrik ke konsumen. Transformator daya umumnya didesain dengan suhu lingkungna 25℃ apabila suhu lingkungan lebih dari 25℃ maka umur transformator akan mengalami penurunan. Kebutuhan listrik tiap tahunnya mengalami peningkatan beban, agar transformator bekerja dengan optimal maka harus di perhatikan juga mengenai pembebanannya. Transformator yang digunakan dalam penelitian ini adalah transformator daya dengan kapasitas 60 MVA yang beroprasi pada tahun 2017 di gardu induk Bambe yang dioperasikan pada suhu lingkungan maksimal 35℃. Untuk memprediksi usia pakai transformator dari faktor kenaikan pembebanan ditahun mendatang pada gardu Induk Bambe data yang digunakan dari tahun 2019 - 2023 dengan menggunakan metode regresi linear, metode regresi linear bertujuan untuk meramalkan pembeban pada tahun selanjutnya. Berdasarkan perhitungan regresi linear didapatkan hasil beban dari tahun 2024 sebesar 68,01, pada tahun 2035 sebesar 82,29 dengan kenikan beban pertahunnya kurang lebih 2%. Maka berdasarkan perhitungan bahwa prediksi usia pakai transformator daya 60 MVA pada tahun 2035 mendatang yang memiliki nilai susut umur sebesar 1.33 p.u atau diperkirakan umur transformator daya yang tersisa 1 tahun 5 bulan dengan pembebanan 82,29.

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