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Studi Koordinasi Setting Arus Lebih dan Gangguan Tanah Antara GI, GH dan PBO Pada Penyulang Arabica GI Liwa
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Institusion
Institut Teknologi Perusahaan Listrik Negara
Author
Turnip, Hotmatua
Rusli, Muhammad
Subject
Teknik Elektro 
Datestamp
2019-12-05 12:46:53 
Abstract :
The Electric Power System is very important at this time, so that a distribution system that serves to distribute electricity to consumers often experiences distruption including short circuit distruption. Therefore, a protection system is needed so that a safety device that detects short-circuit currents is installed, namely the Over Current Relay (OCR) and the Ground Fault Relay (GFR). The use of OCR and GFR is widely used because of its simplicity and reliability in operation. In this thesis discussed the OCR and GFR protection coordination study between GI, GH and Recloser on GI Liwa Arabica feeders. For this reason, calculations are carried out in accordance with the existing provisions for short-circuit currents and relay settings. From the calculation of TMS for OCR on R1 Bengkunat Recloser is 0.064, TMS R2 at 0.08, TMS R3 on GH Krui 0.115 TMS R4 on GH Liwa 0.141, TMS R5 on GI (outgoing) 0.219 and TMS R6 Incoming transformers at 0.3128 . For GFR on R1 Bengkunat Recloser is 0.09278, TMS R2 at 0.1855, TMS R3 on GH Krui 0.285, TMS R4 on GH Liwa 0.464, TMS R5 on GI (outgoing) 0.587 and TMS R6 Incoming transformer at 0.754. 
Institution Info

Institut Teknologi Perusahaan Listrik Negara