what is the reason for 11 KV,(500 KVA transformer) 350 MVA Breaking capacity VCB bush(cracks)to break down often. The DP structure DO fuse also breaks down when this happen. what is the remedy for it? The HT fuse used is 30 A (11KV) in the DP structure.
karthik
- Can you please provide more details about your question? It is not quite clear... Mssudeep fr 12:57, 9 November 2010 (UTC)
