STUDI ANALISIS KETIDAKSEIMBANGAN BEBAN PADA TRANSFORMATOR DISTRIBUSI DAN EFEKNYA TERHADAP KINERJA TRANSFORMATOR SERTA ALIRAN DAYA DI PT. PLN (PERSERO) UP3 PALU MENGGUNAKAN DIGSILENT POWER FACTORY
DOI:
https://doi.org/10.54757/fs.v16i1.933Keywords:
Load Imbalance, Distribution Transformer, Power Flow, DIgSILENT PowerFactoryAbstract
Load imbalance in distribution transformers is one of the common issues in electric power distribution systems that can lead to increased neutral current, higher power losses, and degradation of voltage quality. This study aims to investigate the effect of load imbalance on the performance of distribution transformers and power flow characteristics in the electrical distribution system of PT. PLN (Persero) UP3 Palu. The research was conducted using a quantitative method with a simulation approach through DIgSILENT PowerFactory software, based on transformer, load, current, and voltage data from the Flaminggo feeder. Simulations were carried out under unbalanced and balanced load conditions to analyze differences in electrical parameters, including phase currents, neutral current, voltage, as well as active, reactive, and apparent power. The results indicate that load imbalance conditions cause an increase in neutral current and power losses and a decrease in voltage quality, whereas under balanced load conditions, transformer performance and power flow profiles exhibit more stable behavior. Therefore, it can be concluded that load imbalance has a significant impact on the performance of distribution transformers and power flow systems.
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