A Summary of what I found concerning “Best practice for testing before re-energizing a dry type MV 13.2-480 transformer” composed from this thread "collies99" and from other sources. Thanks to collies99 & A.Mc.
A big percentage of dry-type transformer failure does occur after a prolonged...
Thanks for your reply. Its environment is not the best. Its enclosure is inside a transformer room, but it gets its fresh air intake and return from outside. The air is moist. It was down for three days to do work on another piece of equipment. It rained during this time so the relative...
Can anyone speak to the dangers of having a Dry type MV 13.2-480 transformer down for any amount of time and then bringing it up without testing? Should you dry them out like a motor? What is the best way to do it? What testing is adequate (Meggering)? What does good look like? What voltage...