أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
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
