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All Journal Jurnal Informatika dan Teknik Elektro Terapan Jambura Journal of Electrical and Electronics Engineering G-Tech : Jurnal Teknologi Terapan Jurnal Pengabdian Nasional (JPN) Indonesia Indonesian Community Journal Mestro International Journal of Multidisciplinary Approach Research and Science Komunita: Jurnal Pengabdian dan Pemberdayaan Masyarakat Jurnal Pengabdian Nasional (JPN) Indonesia Jurnal Teknik AMATA
Taryo
Universitas Swadaya Gunung Jati
Religion Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Public Health Social Sciences Other

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Evaluation of Temperature, Resistance, Power Loss, and Voltage Drop in CCO, Connector, and Winding Cable Joints at ULP Cirebon City Arief Rachmansyach Haidar; Taryo Taryo
Jambura Journal of Electrical and Electronics Engineering Vol 8, No 2 (2026): Juli - Desember 2026
Publisher : Electrical Engineering Department Faculty of Engineering State University of Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jjeee.v8i2.38206

Abstract

This study aims to evaluate the electrical properties of aluminum CCO cable splicing methods, connectors, and wraps in the low-voltage distribution network at the Graha Alana Klayan (GAKA) distribution substation under the jurisdiction of PT PLN (Persero) ULP Cirebon Kota. In this study, NFA2X cable with a cross-sectional area of 70 mm² and a length of 125 meters was used, connected to a 250 kVA distribution transformer. Measurements were conducted under off-peak (LWBP) and peak load (WBP) conditions, involving current, temperature, and voltage parameters measured using a clamp meter and a thermal camera. The data obtained from these measurements were used to calculate the resistance, power loss, and voltage drop for each connection method analyzed. The findings of this study indicate that the aluminum CCO connection exhibits the highest power loss and voltage drop compared to connectors and splices. The power loss values for the aluminum CCO connection were recorded at 26.64 W during LWBP and 35.23 W during WBP, while for the connector they were 2.37 W and 5.91 W, and the spliced connection showed values of 2.23 W and 5.84 W. The highest voltage drop was also recorded for the aluminum CCO connection, namely 1.17 V at LWBP and 1.35 V at WBP. The results of this study indicate that the characteristics of cable joints and load conditions affect the efficiency and reliability of the electrical power distribution system. Based on the study, power losses and voltage drops are influenced by cable joints and uneven load currents across each phase of the distribution system.
Load Balancing Optimization Analysis of 630 kVA Transformer to Reduce Neutral Current at KSBI Cirebon Substation Diofany Nur Jamia; Taryo Taryo
Jambura Journal of Electrical and Electronics Engineering Vol 8, No 2 (2026): Juli - Desember 2026
Publisher : Electrical Engineering Department Faculty of Engineering State University of Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jjeee.v8i2.38205

Abstract

Load imbalance in three-phase distribution transformers Load imbalance in three-phase distribution transformers can cause neutral current, increase power losses, reduce transformer efficiency, and disrupt the stability of the electricity distribution system. This study aims to analyze the effect of load balancing optimization on the reduction of neutral current in a 630 kVA distribution transformer at the KSBI Cirebon Substation. The method used is a quantitative method through measuring current and voltage on the secondary side of the transformer, calculating transformer loading, percentage of load imbalance, power losses, and transformer efficiency. In addition, simulations were carried out using ETAP 12.6.0 software with the unbalanced load flow method to compare conditions before and after load balancing. The results of the study show that under Peak Load Time (WBP) conditions, the load imbalance decreases from 15.71% to 5.86%, the calculated neutral current decreases from 41 A to 23 A, while the ETAP simulation results show a decrease in neutral current from 55 A to 19 A. Power losses under WBP conditions decrease from 2.244 kW to 2.165 kW, and the transformer efficiency increases from 97.78% to 97.84%. Under Off-Peak Load Time (LWBP) conditions, the load imbalance decreases from 12% to 3.19%, the calculated neutral current decreases from 36 A to 20 A, while the ETAP simulation results show a decrease in neutral current from 41 A to 20 A. Power losses under LWBP conditions decrease from 2.004 kW to 1.997 kW, and the transformer efficiency increases from 97.90% to 97.94%. Based on these results, it can be concluded that load balancing is effective in reducing neutral current, reducing power losses, and increasing the efficiency of distribution transformers at the KSBI Cirebon Substation.
Pelatihan Peningkatan Kompetensi AI Guru SD Melalui Pendekatan TPACK-AI Dian Putri; Maya Dewi Kurnia; Taryo; Muhamad Riyad Ariwibowo; Rindi Wulandari
KOMUNITA: Jurnal Pengabdian dan Pemberdayaan Masyarakat Vol 5 No 1 (2026): Februari
Publisher : PELITA NUSA TENGGARA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.60004/komunita.v5i1.422

Abstract

This community service program aimed to enhance elementary school teachers' competence in integrating Artificial Intelligence (AI) into their pedagogical practices through the TPACK-AI framework. Conducted at SD Mitra in Cirebon City from August to September 2025, the program involved 10 certified teachers (7 female, 3 male) through a 5-week structured intervention consisting of preparation, intensive training, guided implementation, and evaluation phases. Using a quasi-experimental pre-post test design, data were collected through validated competency assessments, classroom observations, digital portfolios, and focus group discussions. Results showed significant improvements across four competency dimensions: conceptual understanding (from M=62.4 to M=86.7), technical skills in operating AI platforms (from M=58.3 to M=88.2), digital content creation abilities (from M=54.6 to M=84.5), and pedagogical integration capacity (from M=51.2 to M=82.8). Participant satisfaction averaged 4.52/5.0, indicating high program effectiveness. However, challenges persisted including unstable internet access (30%), time constraints (40%), and limited institutional support (20%). The program demonstrated that structured, hands-on training combined with guided implementation effectively transforms teaching practices, contributing to national digital literacy efforts in education
Co-Authors Abdul Syakur Aditya Kurniawan Ananda, Galieh Arief Rachmansyach Haidar Arifudin Arifudin Ariwibowo, M. Riyad Dian Putri Diofany Nur Jamia Dwi Purnomo M. Angga Priyanto Maya Dewi Kurnia Muhamad Riyad Ariwibowo Muhamad Soleh Muhamad Soleh Muhammad Sholeh Nunu Nugraha Nurdiyanto Pertiwi Nurul Utami Rindi Wulandari Wulandari, Rindi Yayat Rahmat Hidayat