In this post, I will discuss the schedule and overhaul maintenance for a power transformer. So you just need to follow this procedure for a power transformer. For batter and smooth operation, these two types of transformer maintenance should perform.
First of all visual inspection. Inspect the transformer very carefully. You may detect some fittings problem on the transformer body and eliminate the problem.
Drainage of transformer sludge, etc, Form the conservator.
Adding the transformer oil (If necessary)
Always check the oil gauges.
Check the all drain lock and its gasket, tightening of bolts or nuts.
Test the gap fuse on the transformer operated with it’s neutral insulated on the low voltage side.
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