EVALUASI PENGARUH SUHU BELITAN TERHADAP RUGI-RUGI DAN EFISIENSI PADA TRANSFORMATOR KERING KAPASITAS 4000 kVA dan 3500 kVA DI PASAR JAYA TANAH ABANG BLOK B
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Institusion
Institut Teknologi Perusahaan Listrik Negara
Author
FARHARANI, MAULIDYA
Soewono, Soetjipto
Soewono, Soetjipto
Subject
Teknik Elektro
Datestamp
2022-10-31 08:07:02
Abstract :
In the distribution of electricity needs, good electricity management is needed in order to increase the efficiency of electricity use. To meet the needs of electricity, there is an important component, namely a transformer. This study discusses two three-phase dry transformers with a capacity of 4000 kVA and a capacity of 3500 kVA with a voltage of 20 kV/400V and 20 kV/400V. The method used is descriptive qualitative which is done by interview and observation of two transformers at the same time. This study aims to analyze the effect of transformer winding temperature on losses and the resulting efficiency so that when the winding temperature is highest it can be seen that the higher the winding temperature, the smaller the losses generated because when the highest winding temperature conditions are obtained, the winding resistance is low. In a 4000 kVA transformer with a winding temperature of 75.2?, a loss of 22.38 kW was obtained and a 3500 kVA transformer with a winding temperature of 75.8? obtained a loss of 28.27 kW. While efficiency is influenced by losses and loading, the greater the losses and loading, the smaller the efficiency of the transformer. The efficiency of the 4000 kVA transformer is 95.75% and the 3500 kVA transformer is 96.36%.
In the distribution of electricity needs, good electricity management is needed in order to increase the efficiency of electricity use. To meet the needs of electricity, there is an important component, namely a transformer. This study discusses two three-phase dry transformers with a capacity of 4000 kVA and a capacity of 3500 kVA with a voltage of 20 kV/400V and 20 kV/400V. The method used is descriptive qualitative which is done by interview and observation of two transformers at the same time. This study aims to analyze the effect of transformer winding temperature on losses and the resulting efficiency so that when the winding temperature is highest it can be seen that the higher the winding temperature, the smaller the losses generated because when the highest winding temperature conditions are obtained, the winding resistance is low. In a 4000 kVA transformer with a winding temperature of 75.2?, a loss of 22.38 kW was obtained and a 3500 kVA transformer with a winding temperature of 75.8? obtained a loss of 28.27 kW. While efficiency is influenced by losses and loading, the greater the losses and loading, the smaller the efficiency of the transformer. The efficiency of the 4000 kVA transformer is 95.75% and the 3500 kVA transformer is 96.36%.
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