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how can we select the rating of Load break switch that is connected to
the primary protection of 200 kva 11kv/415v distribution transformer??
step by step calculated answr pls...thnk.u
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Answer Posted / guna
Depends up on the load current we have to select the LBS
instead of VCB or SF6 (LBS is less cost for the same rating
when compared to the above cb's)
P=1.732*V*I
I = P/1.732*V
I = 200KVA/1.732*11KV
I = 10.49 A
| Is This Answer Correct ? | 3 Yes | 2 No |
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