Retno, Martiani and Ija, Darmana and Arzul, Arzul (2020) STUDI ANALISIS KEDIP TEGANGAN PADA FEEDER BLK SISTEM 20 KV DI GI PAUH LIMO AKIBAT GANGGUAN HUBUNG SINGKAT. Diploma thesis, Universitas Bung Hatta.
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Abstract
At GI Pauh Limo, there are saveral feeder distribution of 20 kV using AAAC wire. In this distribution system, interference is often found, one of which is caused by shortcircuit fault current. One of the feeders studied was the BLK I feeder.Based on data obtained from PT. PLN (Persero) in the Padang Rayon Indarung area. Short circuit fault current in this distribution channel occurs at a short time and causes the nominal voltage to drop temporarily, which is called the voltage flicker. Common shortcircuit faults in distribution are interruption of onephase to shortcircuit current to ground, phase to phase and threephase. To find out the value of voltage flickering due to short circuit faults, it is necessary to calculate the short circuit fault current and the calculation of voltage flicker, namely the estimated interference at the point of 25%, 50%, 75% and 100%. The value of voltage flickering and the percentage of voltage flickering from normal voltage when a single phase fault circuit occurs to the ground is the highest percentage with an estimated fault at 100% voltage blink value of 2568,915 ∠ 20.36 ° V, with the percentage of voltage blinks at 7.42%. In the shortcircuit current to phase interruption, the highest percentage is obtained with the estimated interference at the 100% point of the voltage blinking value of 4217.733∠ 89.91° V, with a percentage of 12.18%. In the threephase short circuit current disturbance the highest percentage is obtained with the estimated interference at the 100% point of the voltage blinking value of 17443,349∠ 61.48° V, with a percentage of 87.22%. From the results obtained from the three disturbances, the value of voltage flickering with the highest percentage of voltage flicker is obtained in the threephase shortcircuit fault current. Keywords: Voltage Flicker, 20 kV distribution network, ,short circuit breakdown
Item Type:  Thesis (Diploma) 

Subjects:  T Technology > T Technology (General) T Technology > TK Electrical engineering. Electronics Nuclear engineering 
Divisions:  Fakultas Teknologi Industri > Teknik Elektro 
Depositing User:  Ahmad Elzuhri 
Date Deposited:  24 Nov 2020 09:13 
Last Modified:  24 Nov 2020 09:13 
URI:  http://repo.bunghatta.ac.id/id/eprint/1674 
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