My load is 15 kw,i want to improve power factor from 0.8 to 0.9,how select capacitor
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Answer / abdul rahman
Required capacitor KVAR :- KW X [tan cos (inverse(power factor old = 0.8)))-tan cos (inverse (power factor new = 0.9]
KVAR :- 15(TAN(C0S INVERSE (0.8)-TAN(COS(INVERSE (0.9))
= 15(TAN 36.86-TAN 25.84)
= 15(.75-.48)
= 15(.265)
= 4 KVAR
Is This Answer Correct ? | 6 Yes | 0 No |
Using formula KVA^2= KW^2 + KVAr^2 ,find the values KVAr at 0.8 and 0.9 pfs. The difference is the required KVAr of the capacitor
Is This Answer Correct ? | 4 Yes | 5 No |
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