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A three–phase 500 V motor load has a power factor of 0.4. Two wattmeters connected to measure the input read 20 kW and 10 kW. Find the reactive power
Question

A three–phase 500 V motor load has a power factor of 0.4. Two wattmeters connected to measure the input read 20 kW and 10 kW. Find the reactive power (Q).

A.

51.96 kvar

B.

10 kvar

C.

17.32 kvar

D.

30 kvar

Correct option is C


Given: W₁ = 20 kW, W₂ = 10 kW

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