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FAKTOR REDUKSI ARUS GANGGUAN PADA KABEL 150 KV FASA TIGA BERINTI TUNGGAL Rinna Hariyati; Retno Aita Diantari; Abi Cristian
Sutet Vol 5 No 2 (2015): JURNAL ILMIAH SUTET
Publisher : Sekolah Tinggi Teknik - PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (678.546 KB) | DOI: 10.33322/sutet.v5i2.597

Abstract

In urban areas the use of underground cables is growing rapily in recent. Cable line are used to distribute electrical energy is called high voltage cable line. When a ground fault occurs in a power network, a ground fault current flow towards the sources through the earth and the other flow through mettalic sheath of the cable. For safety in substation reduction factor must be small. In this paper present the method for calculate reduction factor value at three single core cable. This method can give the value of reduction factor for different distance and different ground fault locations,happened between source substation and suplied substation.
PENGGUNAAN REAKTOR SERI UNTUK MENGURANGI ARUS HUBUNG SINGKAT Wahyudin SN; Retno Aita Diantari; Guntur Febby Ramadhan
Sutet Vol 5 No 1 (2015): JURNAL ILMIAH SUTET
Publisher : Sekolah Tinggi Teknik - PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (531.652 KB) | DOI: 10.33322/sutet.v5i1.605

Abstract

Three-phase short circuit current at the busbars of 20 kV power transformers 150/20 kV substation is the largest fault current value to be able to cut off the circuit breaker. Breaking current circuit breaker owned by either side of the 150 kV and 20 kV should be able to break the short circuit current is within a certain time. The normal operation of power transformers 150/20 kV substation in a parallel on the side of 150 kV, 20 kV, while the side of each transformer supplying a load busbar respectively. Whereas in certain circumstances the transformer works parallel with the other transformer to supply the load together, short circuit current on the busbar 20 kV become magnified. To reduce that short circuit current on the busbar, then at 20 kV busbar coupling mounted reactor series. This paper will discuss how much value of the reactance of the reactor 20 kV busbar coupling in order to obtain short-circuit current value desired by considering the voltage droop allowed on the busbar.
Co-Authors Abi Cristian Guntur Febby Ramadhan Rinna Hariyati Wahyudin SN