Answer / sudhakar

For Example: if u take an powerica genrator capacity of 1500 kva

max power we can use the formula is

p= 1500 x 0.8
= 1200 kw
caluculate curent carying capacity:

I= 1200 x 1000 / 1.732x0.8x415v
= 2066 Amps

for copper cable take 1sq.mm= 4 amps
for aluminum cable take 1sq.mm = 2.5 amps

From past few months I am getting lagging pf even though sufficient capacitors used in circuit. Where is the problem pls answer

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