Sari, Eka Aprianti Permata (2015) ANALISA PENYETELAN RELAI GANGGUAN TANAH (GFR) PADA PENYULANG TRAFO 2 30 MVA 70/20 KV DI PT. PLN (PERSERO) GARDU INDUK BOOM BARU PALEMBANG. Other thesis, Politeknik Negeri Sriwijaya.
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Abstract
Medium voltage distribution network is a network of 20 kV primary distribution substations supplied from power plants or diesel using medium voltage cable line (SKTM) or medium voltage air line (SUTM). Short circuit often occurs at 20 kV network, interphase (3 phase or 2 phase), short circuit or phase to ground. If the protection is less good coordination, it can cause widespread blackout. So protective equipment used is over current relay (OCR) and ground fault relay (GFR) which will work to instruct the PMT to open so disturbed SKTM be separated from network. From the discussion known that 1 phase fault current to ground influenced by fault location and setting of ground fault relay is calculated in accordance with the conditions that have been set in the field. Key Words : Protection, Fault Current, Ground Fault Relay
| Item Type: | Thesis (Other) |
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| Uncontrolled Keywords: | Protection, Fault Current, Ground Fault Relay |
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering |
| Divisions: | Electrical Engineering > Undergraduate Theses |
| Depositing User: | Mrs Trisni Handayani |
| Date Deposited: | 18 Nov 2015 08:43 |
| Last Modified: | 18 Nov 2015 08:43 |
| URI: | http://eprints.polsri.ac.id/id/eprint/1732 |
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