Daftar Isi:
  • Rele is one part of protection system that serves to detect disorder that occurs .Land rele disorder digunakna as detection disorder hyphen brief to ground in phase 1 which coordinated with over current relay ( ocr ) or cover behind automatic ( pbo , automatic circuit recloser ) . This research done by examining the suit rele disorder of ground , then calculate the hyphen in phase one brief to the ground each feeder connected to a busbar , counting a suit of the current and time. The results of research recommends rele a disorder of the ground with the suit is the smallest current isett = 26,58 ampere to penyulang pipit and the suit is the largest current isett = 28,00 ampere to penyulang beo .The suit all time rele have an average of tms 0.1 .Said the key: rele disorder land gfr ) , hyphen brief , setting the current Keywords: Ground Fault Relay (GFR), short circuit ,current setting.