ANALISA PENGARUH PEMBEBANAN TERHADAP UMUR DAN
EFFISIENSI PADA TRANSFORMATOR DAYA 5 PADA GARDU
INDUK DURI KOSAMBI
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Institusion
Institut Teknologi Perusahaan Listrik Negara
Author
Manurung, Mangara Hita
Pramono, Tri Joko
Pramono, Tri Joko
Subject
Teknik Elektro
Datestamp
2022-09-30 01:55:55
Abstract :
The power transformer is an important and most expensive equipment in the process of distributing electric power, therefore it is expected that a power transformer can have a long service life, small life loss and high efficiency value. One aspect that can affect this is the pattern of loading, this study also uses quantitative methods. From the results of data processing that refers to IEC 345, SPLN 17A and IEEE C57.91 2011 it is found that the value of the life loss of the transformer 5 at the kosambi substation is still low, namely 0,000544% with an efficiency value of 99,8% This is because the resulting hostpot temperature is still below the standard (110°c) is 86,39 °c but if there is a load growth that causes an increase in the hostpot temperature until it reaches(110 °c ), there will be an increase in the value of shrinkage age and a significant decrease in the value of efficiency. Based on research and calculations, it can be seen that a drastic increase will occur in 2024 with the hotspot temperature reaching 110.3 °c with an age loss value 0.0453% and an efficiency value of 95.5%.
The power transformer is an important and most expensive equipment in the process of distributing electric power, therefore it is expected that a power transformer can have a long service life, small life loss and high efficiency value. One aspect that can affect this is the pattern of loading, this study also uses quantitative methods. From the results of data processing that refers to IEC 345, SPLN 17A and IEEE C57.91 2011 it is found that the value of the life loss of the transformer 5 at the kosambi substation is still low, namely 0,000544% with an efficiency value of 99,8% This is because the resulting hostpot temperature is still below the standard (110°c) is 86,39 °c but if there is a load growth that causes an increase in the hostpot temperature until it reaches(110 °c ), there will be an increase in the value of shrinkage age and a significant decrease in the value of efficiency. Based on research and calculations, it can be seen that a drastic increase will occur in 2024 with the hotspot temperature reaching 110.3 °c with an age loss value 0.0453% and an efficiency value of 95.5%.
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