PENYETELAN RELAY ARUS LEBIH TRANSFORMATOR 60MVA 150/20KV SISI INCOMING 20 KV DI GARDU INDUK SENTUL
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Institusion
Institut Teknologi Perusahaan Listrik Negara
Author
SHANDIKA, SISFALBI DEFRI
Suwarno, Suwarno
Suwarno, Suwarno
Subject
Teknik Elektro
Datestamp
2020-01-16 11:58:17
Abstract :
Electric power is one of the basic needs at this time. Therefore electricity must be economically available by paying attention to the quality of both voltage and current and frequency and reliability. In order to maintain the continuity of the electric power line, protection is needed in accordance with needs. The protection system must meet the requirements of being safe or stable, sensitive, reliable, fast, and selective so that in the event of a disruption the protection system will work in accordance with its function as a safeguard. If one of the conditions is not met, then in the event of an interruption it will result in extensive blackouts and damage, 20 kV pulverized interference at Sentul Substation which results in PMT working at 20 kV incoming and 150 kV PMT transformer side resulting in decreased transformer age or performance. This final project discusses the setting of over current relays in incoming 20kv in Sentul substation. Relay adjustment is obtained by the value of large oaling current on the 3 phase short circuit fault current which is 12,500,141 A with a time setting of 1 second. With these results, it is usually used to adjust overcurrent relays.
Electric power is one of the basic needs at this time. Therefore electricity must be economically available by paying attention to the quality of both voltage and current and frequency and reliability. In order to maintain the continuity of the electric power line, protection is needed in accordance with needs. The protection system must meet the requirements of being safe or stable, sensitive, reliable, fast, and selective so that in the event of a disruption the protection system will work in accordance with its function as a safeguard. If one of the conditions is not met, then in the event of an interruption it will result in extensive blackouts and damage, 20 kV pulverized interference at Sentul Substation which results in PMT working at 20 kV incoming and 150 kV PMT transformer side resulting in decreased transformer age or performance. This final project discusses the setting of over current relays in incoming 20kv in Sentul substation. Relay adjustment is obtained by the value of large oaling current on the 3 phase short circuit fault current which is 12,500,141 A with a time setting of 1 second. With these results, it is usually used to adjust overcurrent relays.
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