Yonner Hutapea, Surya (2014) PERHITUNGAN SETTING RELE ARUS LEBIH PADA TRAFO SISI 20KV DI GARDU INDUK BUKIT ASAM. Other thesis, Politeknik Negeri Sriwijaya.
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Abstract
Surya Yonner Hutapea 0611 3031 0189 Electro Engineering Department Study Programs of Electrical Engineering State Polytechnic of Sriwijaya Main substation of Bukit Asam has 2 different voltages, that is 150 KV and 20 KV. For the sake of optimal energy distribution, then both sides are connected by using a power transformator with capacity of 60 MVA. Then from both channel is sent to the other feeder and main substation by transmission channel. On transformator mounted an Over Current Relay (OCR) as pacifier against the fault current, OCR is an equipment that serves as the monitoring of the occurrence of overcurrent interruption, then give signals to the circuit breaker (CB) to open impaired channels. OCR works based on the value of the current setting and the specified time. After calculating the current setting from the OCR obtained at 20 KV side is 5.31 A by tms 0.0065 s and the specified operating time is 0.1 s. Key words : over current relay, circuit breaker, current setting.
| Item Type: | Thesis (Other) |
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| Uncontrolled Keywords: | over current relay, circuit breaker, current setting. |
| Subjects: | T Technology > TJ Mechanical engineering and machinery |
| Divisions: | Telecommunication Engineering > Undergraduate Theses |
| Depositing User: | Mr Bambang Anthony |
| Date Deposited: | 22 Jan 2016 03:18 |
| Last Modified: | 22 Jan 2016 03:18 |
| URI: | http://eprints.polsri.ac.id/id/eprint/368 |
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