KAJIAN KOORDINASI PROTEKSI INTERBUS TRANSFORMATOR 500 KV/150 KV 500 MVA DI GARDU INDUK DELTAMAS
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Institusion
Institut Teknologi Perusahaan Listrik Negara
Author
Tajuddin Nur, Muhammad
Sampurno, Sampurno
Sari, Ibu Dewi Purnama
Sampurno, Sampurno
Sari, Ibu Dewi Purnama
Subject
Teknik Elektro
Datestamp
2022-10-12 03:56:48
Abstract :
Interbus Transformator (IBT) is kind of power transformator that used to transfer electrical energy from 500 kV voltage system to 150 kV. Because IBT is an important electric power component, IBT needs a well-coordinated protection system. A well-coordinated protection system is a protection system that does not overlap the line of work for each of its relays. One of the types of interference on IBT is a short circuit current and more load interference. This disorder can cause the reliability of IBT to decrease even if the disruption occurs at a large scale. To overcome this it is necessary to install the protection Relays on IBT. Relays protection used in the form of Differential Relay, Over Current Relay, Ground Fault Relay and Over Load Shedding Relay.At IBT Deltamas, for setting Over Current Relay of TMS value is used 0.06 on the side 500 kV then 0.09 on the side 150 kV IBT Deltamas. For setting Ground Fault Relay of TMS value used is 0.36 on the side 500 kV then 0.2 on the side 150 kV IBT Deltamas. Differential Relay, using current settings 0.3047 A and 1.889 kA for Rele Over Load Shedding.
Interbus Transformator (IBT) is kind of power transformator that used to transfer electrical energy from 500 kV voltage system to 150 kV. Because IBT is an important electric power component, IBT needs a well-coordinated protection system. A well-coordinated protection system is a protection system that does not overlap the line of work for each of its relays. One of the types of interference on IBT is a short circuit current and more load interference. This disorder can cause the reliability of IBT to decrease even if the disruption occurs at a large scale. To overcome this it is necessary to install the protection Relays on IBT. Relays protection used in the form of Differential Relay, Over Current Relay, Ground Fault Relay and Over Load Shedding Relay.At IBT Deltamas, for setting Over Current Relay of TMS value is used 0.06 on the side 500 kV then 0.09 on the side 150 kV IBT Deltamas. For setting Ground Fault Relay of TMS value used is 0.36 on the side 500 kV then 0.2 on the side 150 kV IBT Deltamas. Differential Relay, using current settings 0.3047 A and 1.889 kA for Rele Over Load Shedding.
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