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All Journal Jurnal Surya Teknika Power Elektronik : Jurnal Orang Elektro
Septiyeni, Tesya Uldira
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Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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Optimalisasi Pemasangan Trafo Sisip untuk Perbaikan Drop Tegangan Pelanggan pada Trafo RTP 033 ULP Peureulak PT PLN (Persero) hasanah, mardini; Puspitasari, Pipit; Oktavia, Yosa; Qatrunnada, Rusvaira; Septiyeni, Tesya Uldira
Power Elektronik : Jurnal Orang Elektro Vol 14, No 1 (2025): POWER ELEKTRONIK
Publisher : Politeknik Harapan Bersama Tegal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30591/polektro.v14i1.7827

Abstract

This study aims to analyze the installation of insert transformers in overcoming voltage drop problems in customers at the RTP 033 transformer of ULP Peureulak PT PLN (Persero). The research was conducted at transformer RTP 033 located in the Paya Uno area, Rantau Peureulak District, East Aceh, which experienced significant voltage drop problems. Through manual calculations using the formula in the RST phase, the voltage drop values were 22.99%, 20.63%, and 21.05% before the installation of the insert transformer. After the installation of the insert transformer, the voltage drop value was successfully reduced below the permitted standard of less than 5% with the voltage drop value for each phase being 2.18%, 2.63%, and 3.06%. The measurement results in the field show a significant increase in distribution voltage at points that previously experienced a decrease. In addition to improving voltage quality, the installation of the insert transformer also had a positive impact on increasing electrical energy consumption. There was an increase in kWh sales of 13.14% after the installation of the insert transformer. Based on the research results, it can be concluded that the installation of an insert transformer is an effective solution to overcome the voltage drop problem in the distribution network. Thus, the quality of electricity service to customers can be improved, and the risk of damage to electronic equipment due to voltage fluctuations can be minimized.
Penggunaan Sensor Tegangan Terhadap Penentuan Lokasi Gangguan Saluran Transmisi 150 kV Septiyeni, Tesya Uldira; Rahmawati, Asde; Fahrizal, Fahrizal; Wajhi Akramunnas, Basthul; Yuni Safitri, Wiwit
SURYA TEKNIKA Vol 12 No 2 (2025): JURNAL SURYA TEKNIKA
Publisher : Fakultas Teknik UMRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37859/jst.v12i2.10697

Abstract

Sistem transmisi yang Panjang dan berada di daerah terbuka sering mengalami gangguan, dengan alokasi gangguan yang cukup sulit karena membutuhkan waktu yang cukup lama serta sering tidak akurat. Pada penelitian ini, diuji penggunaan sensor tegangan yaitu Coupling Capacitor Voltage Transformer menggunakan tiga jenis jumlah sampling yaitu 10 kHz, 500 kHz, dan 1 MHz. Adapun data yang digunakan yaitu system transmisi Pembangkit Listrik Tenaga Air (PLTA) Maninjau hingga Gardu Induk Pauh Limo. System gangguam yang dimodelkan yaitu gangguan satu fasa tanah, dua fasa, dua fasa tanah, tiga fasa, tiga fasa tanah, dan surja petir. Hasil yang diperoleh variasi jumlah sampling 1 MHz lebih efektif dengan nilai error yang lebih kecil sehingga nilai akurasi yang dihasilkan lebih tinggi dibandingkan dengan jumlah sampling 10 kHz dan 500 kHz.
Co-Authors Asde Rahmawati Fahrizal Fahrizal Hasanah, Mardini Oktavia, Yosa Puspitasari, Pipit Qatrunnada, Rusvaira Wajhi Akramunnas, Basthul Yuni Safitri, Wiwit