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All Journal Jurnal Nasional Teknologi Komputer Jurnal Riset Rumpun Ilmu Teknik (JURRITEK)
Reza Juliangga
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Civil Engineering, Building, Construction & Architecture Computer Science & IT

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Peningkatan Akurasi Perhitungan IEEE C37.114 Double Ended Dengan Metode Selective Mode Nidya Ayu Gusti Anggreani; Hamdani Hamdani; Reza Juliangga
JURAL RISET RUMPUN ILMU TEKNIK Vol. 5 No. 1 (2026): April: Jurnal Riset Rumpun Ilmu Teknik
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurritek.v5i1.7202

Abstract

Rapid and precise handling in determining fault locations is essential to accelerate post-fault recovery and minimize economic losses caused by power outages. Several methods employed to identify fault locations include Single Ended and Double Ended analysis. This paper discusses the Selective Mode Double Ended Fault Locator Method, an enhancement of the IEEE C37.114 Double Ended method. This approach involves selecting maximum fault data values for Near Side (NS) and Far Side (FS) calculations, taking into account the differential or angle difference of the sequence between the two sides. The Double Ended calculation results from the total sample values are used to determine the mode, which serves as the final output of this Fault Locator method. This method is designed to identify faults and their locations with high accuracy and speed. Based on the research findings, the Selective Mode Double Ended (SMDE) method provides more accurate fault locator analysis compared to the Single Ended and Double Ended methods. The accuracy achieved with the Single Ended method is 90.9%, with the Double Ended method reaching 94.9%, and with the Selective Mode Double Ended (SMDE) method achieving 99.9%.
Pengaruh Penyesuaian Rating Fuse Cut Out (FCO) Percabangan terhadap Penurunan Frekuensi Gangguan Tegangan Menengah pada Penyulang TPN06 ULP Rantau UP3 Barabai Pandea Triaska Prasera; Pristisal Wibowo; Reza Juliangga
Jurnal Nasional Teknologi Komputer Vol 6 No 2 (2026): April 2026
Publisher : CV. Hawari

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

Abstract

The reliability of medium-voltage (MV) distribution networks is strongly influenced by the performance of protection systems, particularly Fuse Cut Outs (FCO) installed at feeder branches. TPN06 feeder at PT PLN (Persero) ULP Rantau, with a total network length of 15 km and 23 distribution transformers, experienced a high disturbance frequency during August–September 2024, with 8 recorded Auto Reclose Ground Fault (AR GF) incidents. Initial evaluation revealed that most installed FCO ratings were not aligned with the actual branch load currents. Several FCOs were found to be overrated, including Pulau Kutil (4 A adjusted to 2 A), Balai Pesona (4 A to 2 A), Sei Impat (4 A to 2 A), PR Binderang (4 A to 2 A), Jati Makmur (5 A to 2 A), Budi Mulya (5 A to 3 A), and Lokpaikat (25 A to 12 A), while only Bitahan (3 A) and PR Permata (2 A) were appropriately rated. This study aims to evaluate the effectiveness of FCO rating adjustments based on actual load current measurements and three-phase apparent power calculations at 20 kV. The methodology includes disturbance data analysis, peak load current measurement using an ampere clamp, and branch current calculation. The results indicate that adjusting FCO ratings improved protection selectivity and coordination, enabling better fault localization at branch levels. Following the adjustment at the end of September 2024, the disturbance frequency significantly decreased during October–November 2024, reaching zero incidents.
Co-Authors Hamdani . Nidya Ayu Gusti Anggreani Pandea Triaska Prasera Pristisal Wibowo