KAJIAN KOORDINASI SETTING RELE ARUS LEBIH DAN RELE GANGGUAN TANAH ANTARA INCOMING,OUTGOING DAN CBO PADA PENYULANG TANGAN DI GARDU INDUK JATAKE
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Institusion
Institut Teknologi Perusahaan Listrik Negara
Author
Zahara, Fitriana
Willy B.S, Purnomo
Willy B.S, Purnomo
Subject
Teknik Elektro
Datestamp
2019-12-05 12:50:35
Abstract :
In the process of distributing electricity, the continuity of service to consumers must meet the operating standards.Therefore,to fulfill this need, a good coordination of the protection system is needed so that the continuity of service for electricity distribution can be maintained. The occurrence of electrical disturbances in the distribution network is due to the lack of reliability of the safety system, sensitivity of the safety system, selectivity and the speed of the safety system. One of the way to overcome this interference is to reset the OCR and GFR on the CBO, Outgoing and Incoming to be able to send the signal correctly to the CB to disconnect the network. This essay discusses the study of coordination of OCR and GFR settings between the Incoming, Outgoing and CBO on Tangan Feeder in Jatake Substation. From the calculation results obtained the value of relay work time setting on the side of CBO (CA200) is obtained when the relay setting is 0.3 seconds with a TMS value of 0.1831, for the Outgoing side the relay setting time is 0.6999 seconds with a TMS value of 0.4030 then on the Incoming side 20 kV is obtained by the time of the 1,000 second relay setting with a TMS value of 0.2511. From the calculation of the relay settings, it is proven that the work time of the CBO's cubicel relay is faster than the relay work time in Outgoing and Incoming.
In the process of distributing electricity, the continuity of service to consumers must meet the operating standards.Therefore,to fulfill this need, a good coordination of the protection system is needed so that the continuity of service for electricity distribution can be maintained. The occurrence of electrical disturbances in the distribution network is due to the lack of reliability of the safety system, sensitivity of the safety system, selectivity and the speed of the safety system. One of the way to overcome this interference is to reset the OCR and GFR on the CBO, Outgoing and Incoming to be able to send the signal correctly to the CB to disconnect the network. This essay discusses the study of coordination of OCR and GFR settings between the Incoming, Outgoing and CBO on Tangan Feeder in Jatake Substation. From the calculation results obtained the value of relay work time setting on the side of CBO (CA200) is obtained when the relay setting is 0.3 seconds with a TMS value of 0.1831, for the Outgoing side the relay setting time is 0.6999 seconds with a TMS value of 0.4030 then on the Incoming side 20 kV is obtained by the time of the 1,000 second relay setting with a TMS value of 0.2511. From the calculation of the relay settings, it is proven that the work time of the CBO's cubicel relay is faster than the relay work time in Outgoing and Incoming.
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