Answer / subra

ACB ------- 2500A
cable size = 630sqmm X two per phase one 630 sq mm for N total seven 630sqmm cable need

Answer / bala_vlsi

U Can select 1600 A breaker for incoming of D.G source
and u can refere cable calouge and select the suitable
cable for 1500A THAT TIME U SHOULD CONSIDER VOTAGE DROP
CALCULATION FOR THE SELECTED CABLE .

Answer / ganesh

All dg 9oo*1.39a =1251a (415v , pf .8,)
1251*1.5 time full load current 1876 A
you choose 2000A breaker
300*6 sq mm2
or 225*7 SQMM2

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