GE 345

76 345 TRANSFORMER PROTECTION SYSTEM – QUICKSTART GUIDE
GENERAL MAINTENANCE CHAPTER 5: MAINTENANCE
FAST PATH:
To avoid deterioration of electrolytic capacitors, power up units that are stored in a de-
energized state once per year, for one hour continuously.
Unscheduled maintenance (system interruption)
• View the event recorder and oscillography for correct operation of inputs, outputs, and
elements.