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For circuits used for transporting elecr...

For circuits used for transporting elecrtric power, a low power factor impleis larger power loss in transmission. Explain?

Text Solution

Verified by Experts

`P=E_(V)I_(v) cos (phi)`. If `cos (phi)` is small, `I_(v)` is large for same P.
so loss `=I_(v)^(2) R` is large.
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(a) For circuits used for transporting electric power, a low power factor implies larger power loss in transmission. Explain. (b) power factor can oftern be improved by the use of a capacitor of appropraite capacitance in the circuit, Explain.

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