(1)For 3 No 1500 KVA transformer require on one single bus bar or need to be s

(1)For 3 No 1500 KVA transformer require on one single bus
bar or need to be section through bus coupler means upto
3MVA.(2) 22KV Net work system as ring, How maney I/C
required or 0ne I/C and one O/G.(3) What should be rating
of VCB for 22 KV line.(4)Electrical/mechanical inter lock,
why we need.

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