ANALISIS RUGI – RUGI DAYA (LOSSES) AKIBAT KETIDAKSEIMBANGAN BEBAN PADA JARINGAN DISTRIBUSI 20 KV RAYON BANTUL
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The load imbalance in the distribution network occurs due to the different currents flowing in each of the phase cables (R, S and T) this is due to the amount and time of the electric load on the 1 phase consumer. Load imbalance will cause current to neutral wires. The neutral current flowing in the neutral wire results in neutral current losses. This research was conducted to find out how neutral current and power losses caused by load imbalance on each penyulang in distribution network 20 kV Rayon Bantul. The analysis is performed by calculating the neutral current generated from the unbalanced 3 phase load which then the current value is used to calculate neutral current losses over a period of 3 months. From the calculation it is known that the repeater that has the highest loss rate due to the neutral currents caused by the unbalance of the load is on the feeder BNL 11 that is the total losses at 10.00 at 3,255,703.95 watts and at 19.00 at 10,445,998.91 watts.