A single phase full bridge inverter has RLC load with R = 4 Ω, Xl = 11 Ω and Xc = 20.54 Ω. The dc input voltage is 230 V. Find the value of fundamental load power.

A single phase full bridge inverter has RLC load with R = 4 Ω, Xl = 11 Ω and Xc = 20.54 Ω. The dc input voltage is 230 V. Find the value of fundamental load power. Correct Answer 1603 W

Average value of fundamental output voltage = 4Vs/π = 292.85 V Z = 1/2 I = V/Z = 28.31 I(rms)(fundamental) = V/Z√2 = (292.85)/(1.414 x 10.345) = 20.02 A Fundamental Load power = (20.02)2 x R = (20.02)2 x 4 = 1603.2 Watts.
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