ABSTRACT Fuse has an important role in protecting electronic devices from overcurrent disturbances. One of electronic device that uses a fuse as a means of protection is the AVR. The AVR on the Koto Gasib 25 MW PLTMG can be damaged due to the failure of the fuse to protect against short circuit fault currents from the feeder. The damage that occurred to the AVR due to the failure of the fuse in…