Pengaruh Penyeimbangan Beban Trafo Distribusi Terhadap Arus Netral di PT PLN (Persero) ULP Bagan Batu
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Institusion
Institut Teknologi Perusahaan Listrik Negara
Author
Shidiq, Taufiq Fajar
Mangapul, Juara
Mangapul, Juara
Subject
Teknik Elektro
Datestamp
2022-09-30 03:36:30
Abstract :
Load imbalance in an electric power distribution system always occurs in low voltage network systems this is due to the increase in new power installation by the community with no regard for between phases. Unbalanced load gives rise to current flow on neutral delivery. The current flowing in the neutral delivery of this transformer causes a loss ? loss, namely loss - loss due to the presence of neutral current on the neutral delivery of the transformer and also the emergence of neutral current on neutral delivery can result in damage to electrical equipment such as transformers that occur due to load imbalance, resulting in neutral current. If the load on the transformer is not balanced, the neutral current will be even greater. The greater the neutral current will cause power losses. Therefore, to reduce losses, it is necessary to balance the load. The transformer load balancing is carried out periodically every 3 months by moving the house slurry to an unbalanced phase. PT. PLN (Persero) ULP Bagan Batu. Where the balancing is done when the peak load is starting at 18.00 WIB so that it is clear how much the load is unbalanced then measurements are made at the time of peak load. In this final project it can be concluded that the load balance has an effect on the neutral current which is proven in the calculation of the average current. In addition, it can be concluded that the large and small losses are influenced by neutral currents, for example in the SDG 023 transformer when the load is not balanced the neutral current is 49 A, when it is balanced the neutral current drops to 23 A. Likewise with losses when the load balance has not been carried out the value is 1656, 69 Watts. But after balancing the load the value is 365 Watts.
Load imbalance in an electric power distribution system always occurs in low voltage network systems this is due to the increase in new power installation by the community with no regard for between phases. Unbalanced load gives rise to current flow on neutral delivery. The current flowing in the neutral delivery of this transformer causes a loss ? loss, namely loss - loss due to the presence of neutral current on the neutral delivery of the transformer and also the emergence of neutral current on neutral delivery can result in damage to electrical equipment such as transformers that occur due to load imbalance, resulting in neutral current. If the load on the transformer is not balanced, the neutral current will be even greater. The greater the neutral current will cause power losses. Therefore, to reduce losses, it is necessary to balance the load. The transformer load balancing is carried out periodically every 3 months by moving the house slurry to an unbalanced phase. PT. PLN (Persero) ULP Bagan Batu. Where the balancing is done when the peak load is starting at 18.00 WIB so that it is clear how much the load is unbalanced then measurements are made at the time of peak load. In this final project it can be concluded that the load balance has an effect on the neutral current which is proven in the calculation of the average current. In addition, it can be concluded that the large and small losses are influenced by neutral currents, for example in the SDG 023 transformer when the load is not balanced the neutral current is 49 A, when it is balanced the neutral current drops to 23 A. Likewise with losses when the load balance has not been carried out the value is 1656, 69 Watts. But after balancing the load the value is 365 Watts.
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