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All Journal ELKHA : Jurnal Teknik Elektro JURNAL PENGABDIAN KEPADA MASYARAKAT JET (Journal of Electrical Technology) RELE: Rekayasa Elektrikal dan Energi Jurnal Teknik Elektro Martabe : Jurnal Pengabdian Kepada Masyarakat Jurnal Teknologi Rekayasa Jaringan Telekomunikasi (TRekRiTel) sudo Jurnal Teknik Informatika International Journal of Applied Research and Sustainable Sciences (IJARSS) Journal of Telecommunication and Electrical Scientific
Evalina, Noorly
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Journal : ELKHA : Jurnal Teknik Elektro

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Analysis of the Effect of Temperature on Performance Efficiency in Three Phase Transformers Nugraha, Yoga Tri; Pangestu, Adam; Wardani, Sumita; Irwanto, Muhammad; Pasaribu, Faisal Irsan; Evalina, Noorly
ELKHA : Jurnal Teknik Elektro Vol. 17 No.2 October 2025
Publisher : Faculty of Engineering, Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/elkha.v17i2.92879

Abstract

Transformers are essential components in electrical power distribution systems, and their performance is significantly influenced by operating temperature. High temperatures can lead to increased power losses, particularly copper losses, which reduce transformer efficiency. This research examines the impact of temperature on the efficiency of three-phase transformers, focusing on copper losses and the role of cooling systems in maintaining optimal performance. Using a combination of Thermovision infrared imaging and MATLAB simulations, this research introduces a novel integrated approach to correlate real-time thermal data with theoretical modeling of transformer losses. Unlike previous research that relies solely on either simulation or temperature sensors, the use of Thermovision provides spatially resolved, non-invasive temperature measurements that validate and enhance the accuracy of MATLAB-based thermal-electrical models. The results reveal that the operational temperature of 52.9 °C, as detected by Thermovision, is within safe limits; however, higher temperatures significantly decrease efficiency. The efficiency drops from 92.8% at 25 °C to 90.4% at 120 °C. The exponential trend in copper losses with temperature rise underscores the critical role of effective cooling and temperature monitoring systems. While the magnetic flux remains constant, maintaining lower operating temperatures is essential to prevent premature damage and extend transformer lifespan. Thermovision results were used to validate the simulations. Despite small discrepancies, the consistent pattern provides confidence that the simulation model is sufficiently accurate for performance prediction.
Co-Authors A., Arfis Abdullah Adam Pangestu Al-fariz Siregar, Azizul Hilman Amiruddin, Arfis Arfis, Arfis Asfiati, Sri Cholish Erwinsyah Sipahutar Guci, Putra Sawaluddin H, Abdul Azis Harahap, Partaonan Hasibuan, Akbar Kurnia Hutasuhut, Abdul Azis Irsan Pasaribu, Faisal Irwanto, Muhammad Joko Susilo Juli Iriani, Juli Kusuma, Budhi Santri M. Syahruddin Nasution, Elvy Sahnur Nuqsyahbandi, Nuqsyahbandi Pasaribu, Faisal Irsan Putri, Maharani Rizky, Firahmi S Suherman Sary, Atikah Sary, Nadilah Sembiring, Eme Aginta Br Setiawan, Arif Milando Sinaga, Jontianus David Siregar, Zulkifli Tobing, Muhammad Zakirullah WARDANI, SUMITA Yani, Indra Yoga Tri Nugraha Zambak, Muhammad Fitra Zulfikar Zulfikar