ANALISA EVALUASI KOORDINASI PROTEKSI RELAY OCR DAN GFR PADA PENYULANG YB-02 PT PLN ULP NATAL DENGAN SIMULASI ETAP

ABSTRACT With the increasing number of customers of PT. PLN (Persero) ULP Natal, disruption to the distribution system will result in more widespread blackouts. To avoid this, the protection system in the distribution channel (especially in the YB-02 feeder) needs to be evaluated to ensure proper coordination. The protection systems are outgoing PMT, Recloser L-01 and Recloser L-02. The method used in this study is a method of observation, literature study, interviews and guidance. From this study, it was found that the coordination conditions between PMT Outgoing, Recloser L-01 and Recloser L-02 were correct and their capabilities could be improved by calculating the OCR and GFR relay settings. The coordination between PMT Outgoing, Recloser L01 and Recloser L-02 is stated precisely where each protection device is operated with the OCR and GFR Relays according to their respective work zones in securing short circuit faults in the YB-02 feeder.

Keywords: Distribution Protection, Coordination and Protection settings, OCR, GFR, Recloser, PMT