ANALISIS DAMPAK KETIDAKSEIMBANGAN BEBAN TRAFO DISTRIBUSI TIGA FASA 160 kVA DI ZONA PERTAMA FEEDER KSN 16 PT. PLN (PERSERO) ULP SLAWI
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Institusion
Institut Teknologi Perusahaan Listrik Negara
Author
NUWARSA, I GEDE
Junaidi, Andi
Junaidi, Andi
Subject
Teknik Elektro
Datestamp
2022-11-07 06:28:19
Abstract :
Load imbalance is a problem that will always exist in a three-phase system when used to supply customer needs. The problem experienced when it occurs in an unbalanced load is the flow of a neutral current value which is directly proportional to the magnitude of the value of the imbalance between phases in the transformer. The emerging neutral current will increase the value of technical shrinkage as well as decrease the health value of the asset. Thus, this study was carried out to determine the impact of load imbalance using quantitative methods. The results of this study show that the percentage of load imbalance is related to the health of transformer assets, with load balancing efforts, the value of the imbalance percentage can be lowered from the highest value of the S3- 53/24/9/C transformer highest 31.3% to 8.6%, the highest S3-53/24/11/E transformer 16.6% to 4% and the highest S3-53/24/21 transformer 18.3% to 1.3%. The shrinkage value also had a significant impact from transformer load balancing efforts, namely the highest S3-53/24/9/C transformer of 5.89 kW to the lowest 0.8 kW of the S3-53/24/11/E transformer with a high of 0.96 kW to 0.19 and the highest S3-53/24/21 transformer of 1.15 kW to 0.38 kW. So it can be stated that load balancing is an effective way to reduce losses from shrinkage and losses due to a decrease in the health of transformer assets.
Load imbalance is a problem that will always exist in a three-phase system when used to supply customer needs. The problem experienced when it occurs in an unbalanced load is the flow of a neutral current value which is directly proportional to the magnitude of the value of the imbalance between phases in the transformer. The emerging neutral current will increase the value of technical shrinkage as well as decrease the health value of the asset. Thus, this study was carried out to determine the impact of load imbalance using quantitative methods. The results of this study show that the percentage of load imbalance is related to the health of transformer assets, with load balancing efforts, the value of the imbalance percentage can be lowered from the highest value of the S3- 53/24/9/C transformer highest 31.3% to 8.6%, the highest S3-53/24/11/E transformer 16.6% to 4% and the highest S3-53/24/21 transformer 18.3% to 1.3%. The shrinkage value also had a significant impact from transformer load balancing efforts, namely the highest S3-53/24/9/C transformer of 5.89 kW to the lowest 0.8 kW of the S3-53/24/11/E transformer with a high of 0.96 kW to 0.19 and the highest S3-53/24/21 transformer of 1.15 kW to 0.38 kW. So it can be stated that load balancing is an effective way to reduce losses from shrinkage and losses due to a decrease in the health of transformer assets.
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