STUDI SISTEM PROTEKSI RELE DIFFERENSIAL PADA
TRANSFORMATOR UNIT 3 PEMBANGKIT PT. PUNCAKJAYA POWER
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Institusion
Institut Teknologi Perusahaan Listrik Negara
Author
Timisela, Herdo Loudry
Sukmajati, Sigit
Sukmajati, Sigit
Subject
Teknik Elektro
Datestamp
2019-10-28 04:32:05
Abstract :
Transformator or Trafo is an electric device which can change an AC voltage level to another level. The meaning of changing level such as decreasing AC voltage from 11 kV to 380 kV or increasing voltage from 11 kV to 20 kV. Because of the external function that can trigger damage of component inside the transformer that can disrupt process. To decrease the effect from breakdown of that transformator and maintain continuity electric power that commonly used, required a protection system as needed. The protection system used is relay differential. Differential relay are used as main protection and cannot be used as a backup protection. This relay works by comparing the current of incoming and outgoing flows. Relay wil detect fault and instructs circuit braker (CB) to open (trip).
Transformator or Trafo is an electric device which can change an AC voltage level to another level. The meaning of changing level such as decreasing AC voltage from 11 kV to 380 kV or increasing voltage from 11 kV to 20 kV. Because of the external function that can trigger damage of component inside the transformer that can disrupt process. To decrease the effect from breakdown of that transformator and maintain continuity electric power that commonly used, required a protection system as needed. The protection system used is relay differential. Differential relay are used as main protection and cannot be used as a backup protection. This relay works by comparing the current of incoming and outgoing flows. Relay wil detect fault and instructs circuit braker (CB) to open (trip).
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