What is the method to calculate the capacitor bank rating
for say 50 KW load and how do we connect each capacitor to
busbar??
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Answer Posted / santoshvarma
Before connecting a capacitor bank we have to know for what
purpose we are connecting, if the load having power factor
of 0.8 and if you want to increase the power factor to 0.95,
for that you need to install capacitor bank. The rating of
the capacitor bank can be calculated as follows
Required KVAR rating of capacitor bank = KW(of
load)*(tan(cosinver 0.8)-tan(cosinve0.95)
By this way you will get the kvar rating of capacitor bank.
The capacitor is always connected in parallel to load bus.
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