What is the maintenance activity in power transformers less 8MVA?

Question added by Ibrahim Said Hegab Hegab , Sienor electrical engineer , Airliquide QATAR - GASAL Qatar
Date Posted: 2014/01/04

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by Ibrahim Said Hegab Hegab , Sienor electrical engineer , Airliquide QATAR - GASAL Qatar

1-oil test every year (oildielectrial test & DGA test )

2-winding resistance3

3-check off load tap changer every year

4-checksilical gel and oil level every week

5-oil and winding temp. every week

6-check any oil leakage

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