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All Journal Jurnal Ilmiah Teknik (JUIT) Jurnal Manajemen dan Teknologi Rekayasa
Tasdik Darmana
Institut Teknologi PLN
Control & Systems Engineering Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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ANALISIS PEMERATAAN BEBAN PADA TRANSFORMATOR DARI SISI SEKUNDER TERHADAP PENYALURAN TENAGA LISTRIK DI PT. PLN (PERSERO) UP3 CENGKARENG Tasdik Darmana; Syarif Hidayat; Miftahul Khoir
Jurnal Ilmiah Teknik Vol. 2 No. 2 (2023): Mei : Jurnal Ilmiah Teknik
Publisher : Asosiasi Dosen Muda Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56127/juit.v2i2.785

Abstract

The problem in this study is entitled "analysis of load distribution on the transformer from the secondary side to the distribution of electric power at PT. PLN (Persero) UP3 Cengkareng". In accordance with the formulation of the problem in this study, namely finding out how much load is on the distribution transformer BC302 before and after the load equalization analysis is carried out, what is the percentage of load imbalance on the transformer before and after the load distribution analysis is carried out, what are the benefits experienced by PT. PLN (Persero) UP3 Cengkareng after load analysis. The method used in this study is a comparative quantitative method. From the results obtained in this study, with the distribution planning of the BC302 distribution transformer, the power loss due to current in neutral (IN) is 162 A during the day, 6.44 kW before the load is balanced, and 6.289 kW at night 162 A before distribution. kilowatt load, and after the simulated load is balanced, the current flowing to ground is close to 0A. So the more current that flows in the neutral, the greater the power losses.
Analysis of Carbon Emission Source Control using Seven Tools Taufik Hidayat; Tasdik Darmana; Sulastri Sulastri; Alyssa Azizah; Mochamad Rizqy
JUMANTARA: Jurnal Manajemen dan Teknologi Rekayasa Vol 5, No 2 (2026): Juli
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/jumantara.v5i2.4017

Abstract

Climate change mitigation requires higher education institutions to identify and control carbon emission sources generated by their operational activities. Previous studies in university environments have generally focused on carbon footprint quantification without systematically analyzing the root causes of emissions and identifying priority improvement actions. Therefore, this study proposes the integration of Carbon Footprint assessment with the Seven Tools approach within a Statistical Process Control (SPC) framework to identify dominant emission sources, analyze root causes, and formulate emission reduction strategies. The study employed a quantitative descriptive method using one-year operational data consisting of electricity consumption and fuel usage. Carbon emissions were calculated based on IPCC emission factors and subsequently analyzed using selected Seven Tools, namely histogram, Pareto diagram, and fishbone diagram. The results indicate that electricity consumption (Scope 2) contributed 1,112,996.46 kg CO₂/year or 98.23% of total emissions, whereas fuel consumption (Scope 1) accounted for only 20,066.67 kg CO₂/year or 1.77%. Fishbone analysis revealed that the dominant causes originated from human behavior, inefficient equipment, lack of energy management procedures, and dependence on fossil-based electricity. The novelty of this study lies in applying Seven Tools, traditionally used for quality improvement, to carbon emission management in higher education institutions. The findings provide practical guidance for energy management programs and demonstrate that electricity efficiency and renewable energy adoption could potentially reduce institutional carbon emissions by more than 20–30%.
Co-Authors Alyssa Azizah Miftahul Khoir Mochamad Rizqy Sulastri Sulastri Syarif Hidayat Taufik Hidayat