Is over surge relay necessary in transformer with OLTC with rating less than 500 kVA?
Author : Ajay - From: India
Wed, May 1st, 2013 - 18:47
Buchholz protection is normally provided on all transformers fitted with a conservator. Conservators are fitted to oil-cooled transformers above 1000kVA rating, except those to North American design practice that use a different technique.