PENGARUH PENYEIMBANGAN BEBAN GARDU DISTRIBUSI TERHADAP RUGI DAYA PADA PENYULANG KADUPUGUR DI PT.PLN (PERSERO) ULP SUKABUMI KOTA
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Institusion
Institut Teknologi Perusahaan Listrik Negara
Author
Anggraini, Windri Triluvi
Koerniawan, Tony
Koerniawan, Tony
Subject
Teknik Elektro
Datestamp
2023-11-01 06:20:44
Abstract :
In the distribution of electric power, power losses may occur due to several factors, including load imbalance at the distribution substation. From the results of transformer load measurements at PT. PLN (Persero) ULP Sukabumi Kota in 2022, found a load imbalance on each phase which causes a large neutral current and causes power loss. To prevent power loss due to load imbalance, a load balancing method is used to reduce the neutral current. This study aims to analyze the effectiveness of load balancing in reducing load imbalance and power loss due to neutral currents in distribution transformers in Kadupugur feeders. The calculation results show that the unbalanced load causes power losses and the neutral current of the transformer is greater than when the load is balanced. After balancing the load on 11 of the 32 distribution substations in the Kadupugur feeder, the average value of the reduction in power loss was 80%, from 2,809.40 Watts to 549.07 Watts. The relatively small difference between the average value of the power loss resulting from the measurement data and the ETAP simulation before balancing is 0.29% and after balancing is 0.54%, indicating the accuracy of the calculation results. Therefore, load balancing at the distribution substation can help reduce power losses and transformer neutral currents, thereby increasing the efficiency and life of electrical equipment.
In the distribution of electric power, power losses may occur due to several factors, including load imbalance at the distribution substation. From the results of transformer load measurements at PT. PLN (Persero) ULP Sukabumi Kota in 2022, found a load imbalance on each phase which causes a large neutral current and causes power loss. To prevent power loss due to load imbalance, a load balancing method is used to reduce the neutral current. This study aims to analyze the effectiveness of load balancing in reducing load imbalance and power loss due to neutral currents in distribution transformers in Kadupugur feeders. The calculation results show that the unbalanced load causes power losses and the neutral current of the transformer is greater than when the load is balanced. After balancing the load on 11 of the 32 distribution substations in the Kadupugur feeder, the average value of the reduction in power loss was 80%, from 2,809.40 Watts to 549.07 Watts. The relatively small difference between the average value of the power loss resulting from the measurement data and the ETAP simulation before balancing is 0.29% and after balancing is 0.54%, indicating the accuracy of the calculation results. Therefore, load balancing at the distribution substation can help reduce power losses and transformer neutral currents, thereby increasing the efficiency and life of electrical equipment.
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