if our load is 65000 watts howcan we find out all char like
cable size. mcccb etc
Answer Posted / mahendran
KW = ROOT3*VI*PF/1000
65=1.732*400*I*0.9/1000
I=104
MCCB 1.5 TIMES THE AMPS
SO MCCB SELECT 160 AMPS
CABLE 70 SQ MM CU OR 120 AL
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