Optimalisasi Penggunaan Relai Arus Lebih Guna Meningkatkan
Keandalan Sistem Distrihusi di PT.PLN (PERSERO) Area
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Institusion
Institut Teknologi Perusahaan Listrik Negara
Author
ZARENDI, MUHAMMAD
Hariyati, Rinna
Hariyati, Rinna
Subject
Teknik Elektro
Datestamp
2019-12-19 11:52:35
Abstract :
One cause of the current rise is short circuited disorder that makes the current exceeds the maximum value of the conductor or other electrical equipment. Based on these disorders known to their several relays are less than optimal settings. Protective equipment plays an important role to cope with the disorder who meet the requirements of sensitive, reliable, fast and selective everything depends on the accuracy of the settings on the equipment. Protective equipment used is the overcurrent relay will instruct the circuit breaker to open when an interruption occurs so that interference does not extend. The biggest disturbance current is 3 phase short circuit fault current that is 11812,430 Ampere, while for the smallest fault current is 2 phase short circuit fault current that is 5846,4667 Ampere. In order not to happen first and formost between relays overcurrent against disturbance that could result in failure of the relays that work it is necessary to coordinate in each relay mounted on a circuit breaker outgoing metering, feeders and power transformers that interference does not extend, then the value of coordination this protection of the circuit breaker outgoing, feeders and power transformers 0.18 seconds, 0.4 seconds, 0.8 seconds with a value TMS 0.1, 0.2, 0.21.
One cause of the current rise is short circuited disorder that makes the current exceeds the maximum value of the conductor or other electrical equipment. Based on these disorders known to their several relays are less than optimal settings. Protective equipment plays an important role to cope with the disorder who meet the requirements of sensitive, reliable, fast and selective everything depends on the accuracy of the settings on the equipment. Protective equipment used is the overcurrent relay will instruct the circuit breaker to open when an interruption occurs so that interference does not extend. The biggest disturbance current is 3 phase short circuit fault current that is 11812,430 Ampere, while for the smallest fault current is 2 phase short circuit fault current that is 5846,4667 Ampere. In order not to happen first and formost between relays overcurrent against disturbance that could result in failure of the relays that work it is necessary to coordinate in each relay mounted on a circuit breaker outgoing metering, feeders and power transformers that interference does not extend, then the value of coordination this protection of the circuit breaker outgoing, feeders and power transformers 0.18 seconds, 0.4 seconds, 0.8 seconds with a value TMS 0.1, 0.2, 0.21.
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