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All Journal Jurnal Ilmiah Telsinas Elektro, Sipil dan Teknik Informasi
Sutama, Wayan
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Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering

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Analisis Konstruksi Posisi Lightning Arrester Di Gardu Distribusi Km 0003 Penyulang Subagan Wilayah Kerja PT PLN (Persero) ULP Karangasem Asna, I Made; Suriana, I Wayan; Sugarayasa, I Wayan; Sutama, Wayan; Dikse Pancane, I Wayan; Adrama, I Nyoman Gede; Sariana, I Made
Jurnal Ilmiah Telsinas Vol 4 No 1 (2021)
Publisher : Universitas Pendidikan Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (621.361 KB) | DOI: 10.38043/telsinas.v4i1.2143

Abstract

Salah satu komponen dari sistem distribusi adalah gardu distribusi. Gardu distribusi berfungsi untuk menghubungkan jaringan ke konsumen Salah satu komponen terpenting dari gardu distribusi adalah transformator. Karena penempatannya di tempat terbuka, transformator sering mengalami gangguan akibat sambaran petir. Selama kurun waktu 2017-2019 pada Penyulang Subagan mengalami gangguan akibat impuls petir sebanyak 10 kali. Penelitian ini membahas cara kerja lightning arrester dalam memproteksi peralatan dengan konstruksi model lama dan setelah dilakukan perubahan posisi, jarak proteksi ideal lightning arrester dengan transformator, kinerja lightning arrester setelah dilakukan perubahan posisi pada konstruksi yang baru, dan dampak dari perbedaan konstruksi dalam pemasangan lightning arrester di ULP Karangasem. Dari hasil analisis, dengan kondisi iklim di wilayah Karangasem jarak proteksi maksimal lightning arrester dan transformator adalah 6,2245 meter. Jarak lightning arrester dan transformator dengan konstruksi lama yang ada di lapangan adalah 1,5 meter. Dimana jarak tersebut membuat arus puncak petir yang mampu diterima dari lightning arrester sebesar 178,3032 kA, sehingga dapat dikatakan jarak lightning arrester dan transformator dengan konstruksi lama masih dapat bekerja dengan maksimal. Setelah menggunakan konstruksi baru sesuai dengan SPLN D5.006. 2013, jarak lightning arrester dan transformator di KM 0003 menjadi 0,6 meter. Jarak tersebut membuat arus puncak petir yang mampu diterima dari lightning arrester menjadi lebih tinggi yaitu 655,008 kA, dan terjadi peningkatan kinerja lightning arrester sebesar 267,36 % akibat perubahan posisi.
Evaluasi Keandalan Sistem Distribusi Tenaga Listrik Berdasarkan Indeks Keandalan SAIDI dan SAIFI pada PT PLN (PERSERO) Rayon Kefamenanu Funan, Frederikus; Sutama, Wayan
Jurnal Ilmiah Telsinas Vol 3 No 2 (2020)
Publisher : Universitas Pendidikan Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The development of the number of customers in PT PLN (Persero) Rayon Kefamenanu increases every year. PT PLN (Persero) As a power supply company must be able to meet the electricity distribution to customers continuously. In preliminary observations of customers at PT PLN (Persero) Rayon Kefamenanu often experienced blackouts both in the number of outages and a long outage. This outage will result in losses for both the customer and PLN itself, so it is necessary to study the reliability of the distribution network system by calculating SAIFI and SAIDI.From the calculation of the SAIFI and SAIDI index values in 2017, 2018 and 2019, a comparison is made with the SPLN 68-2: 1986 standard values as follows: For the SAIFI reliability index values in 2017, 2018 and 2019 when compared to the SPLN 68-2: 1986 standards with the maximum value of the SAIFI standard of 3.2 times / customer / year is categorized as not reliable because the magnitude of the SAIFI count exceeds the SPLN 68-2: 1986 standard. For the SAIDI reliability index values in 2017, 2018 and 2019 when compared to the SPLN 68-2 standard : 1986 with a maximum value of SAIDI standard of 21.09 times / customer / year there is 2019 categorized reliable because the SAIDI calculation value is smaller than the SPLN standard value of 68-2: 198 and 2017 and 2018 are categorized as not reliable due to the magnitude of SAIDI calculated Exceeds SPLN 68-2: 1986 standards.While the large number of kwh losses that were not channeled due to disruptions that occurred in 2017, 2018 and 2019 at PT. PLN (Persero) Kefamenanu Rayon is: The value of ENS (Energy Not Served) in 2017 of 24,866.1 kwh or a cost loss of Rp 36,485,513,208. The value of ENS (Energy Not Served) in 2018 is 17,122.37 kwh or a loss in cost of Rp.25,123,311,0536. The value of ENS (Energy Not Served) in 2019 is 10,402.45 kwh or a loss in costs is Rp 15,263,306,836.
Co-Authors Adrama, I Nyoman Gede Asna, I Made Funan, Frederikus Pancane, I Wayan Dikse Sariana, I Made Sugarayasa, I Wayan Suriana, I Wayan