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All Journal Indonesian Journal of Engineering and Technology (INAJET) Electrician : Jurnal Rekayasa dan Teknologi Elektro
Nisa', Silvi Nur Rakhman
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Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering Mechanical Engineering

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Studi Tegangan Jatuh pada Jaringan Tegangan Menengah Penyulang Sidomulyo Nisa', Silvi Nur Rakhman; Haryudo, Subuh Isnur; Santana, Andhika Ary
Electrician : Jurnal Rekayasa dan Teknologi Elektro Vol. 19 No. 3 (2025)
Publisher : Department of Electrical Engineering, Faculty of Engineering, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/elc.v19n3.2903

Abstract

Tegangan jatuh merupakan permasalahan penting dalam sistem distribusi tenaga listrik karena dapat memengaruhi kualitas layanan, efisiensi energi, dan keandalan sistem. Topik ini dipilih karena Penyulang Sidomulyo, bagian dari jaringan tegangan menengah 20 kV PT. PLN (Persero) UP3 Sidoarjo – ULP Sidoarjo Kota, memiliki cakupan wilayah luas dan beban yang bervariasi, sehingga rentan terhadap penurunan tegangan. Penelitian ini bertujuan menganalisis besar penurunan tegangan dan mengidentifikasi titik-titik kritis pada jaringan tersebut. Metode yang digunakan berupa simulasi menggunakan perangkat lunak ETAP 19.0.1, dengan input berupa data lapangan aktual seperti panjang saluran, jenis konduktor, beban terpasang, dan konfigurasi jaringan. Hasil analisis menunjukkan bahwa beberapa titik beban mengalami tegangan jatuh yang mendekati atau melebihi batas standar, antara lain PA 524, PA 972, dan PA 1111 berdasarkan perhitungan manual, serta PA 822 dan PA 2080 berdasarkan hasil simulasi ETAP. Kesimpulannya, diperlukan optimalisasi sistem distribusi melalui perbaikan teknis dan pengaturan ulang beban untuk menjaga kestabilan tegangan serta meningkatkan keandalan pasokan listrik di jaringan penyulang tersebut.
IMPROVED POWER GRID STABILITY WITH REGULAR MAINTENANCE OF MEDIUM-VOLTAGE TRANSFORMER CONNECTIONS Nisa', Silvi Nur Rakhman; Rohman, Miftahur; Baihaqi, Mochamad Faris
Indonesian Journal of Engineering and Technology (INAJET) Vol. 8 No. 1 (2025): September 2025
Publisher : Fakultas Teknik Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/inajet.v8n1.p41-49

Abstract

The power grid is a vital infrastructure that ensures the distribution of energy from the plant to the consumer. One of the important components in this network is the transformer, which regulates the voltage level as needed. In medium-voltage networks, transformer connections play a crucial role in maintaining system stability. Unmaintained connection conditions can cause disturbances in the form of decreased voltage quality, blackouts, and equipment damage. Unfortunately, connection maintenance is often done reactively, only when a fault occurs. This study aims to analyze the impact of routine maintenance of transformer connections on the stability of the power grid at PT PLN (Persero) UP3 South Surabaya – ULP Ngagel. The methods used include field observation, documentation of maintenance activities, and analysis of disturbance data before and after maintenance. The results of the study show that routine maintenance is able to reduce the frequency of connection failures, improve voltage stability, and extend the life of network components.
Co-Authors Baihaqi, Mochamad Faris Raden Mohamad Herdian Bhakti Santana, Andhika Ary Subuh Isnur Haryudo