KOORDINASI SETTING RELAI ARUS LEBIH DAN RELAI GANGGUAN TANAH DI SISTEM PROTEKSI PENYULANG 20 KV GARDU INDUK DURI KOSAMBI
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Institusion
Institut Teknologi Perusahaan Listrik Negara
Author
Palma, Wiga Mokhamad Jaya
Susanto, Djoko
Susanto, Djoko
Subject
Teknik Elektro
Datestamp
2019-11-27 04:25:18
Abstract :
Distribution Network is one of the electric power systems that cannot avoid interference, especially short circuit distrubances, both three phase short circuit,phase with phase or short circuit between phase and ground. To localize the interference, a protection system is needed which meets the requirements of sensitivity, reliability, selectivity and speed. Protection equipment that is often used in distribution systems is over current relay (OCR) and ground fault relay (GFR), which is a relay that functions to give PMT commands to open, so that the disturbed channels are separated from the network. The focus of this thesis is coordination of protection system between over current relay and ground fault relay as protective equipment especially on Anting feeder, Duri Kosambi Substations, Cengkareng Area. Where the largest short circuit current at 3 phase is 12616,704 A and the largest short circuit current at 1 phase is 951,035 A. For the main relay working time on OCR is 0,24 second while the main relay working time on GFR is 0,39 second.
Distribution Network is one of the electric power systems that cannot avoid interference, especially short circuit distrubances, both three phase short circuit,phase with phase or short circuit between phase and ground. To localize the interference, a protection system is needed which meets the requirements of sensitivity, reliability, selectivity and speed. Protection equipment that is often used in distribution systems is over current relay (OCR) and ground fault relay (GFR), which is a relay that functions to give PMT commands to open, so that the disturbed channels are separated from the network. The focus of this thesis is coordination of protection system between over current relay and ground fault relay as protective equipment especially on Anting feeder, Duri Kosambi Substations, Cengkareng Area. Where the largest short circuit current at 3 phase is 12616,704 A and the largest short circuit current at 1 phase is 951,035 A. For the main relay working time on OCR is 0,24 second while the main relay working time on GFR is 0,39 second.
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