Question

A single phase half bridge inverter has load R = 2 Ω and a dc voltage source Vs/2 = 115 V. Find the rms value of the fundamental load current.

(a) 10.25 A

(b) 51.7 A

(c) 86 A

(d) 24.8 A

The question was asked in a dream while sleeping

This question is from Single Phase VSI-3 in section Inverters of Power Electronics

Answer 1

Right answer is (b) 51.7 A

Easy explanation: Peak value Vm = 2Vs/π

Rms value = 2Vs/π√2 = 103.552 V

Io = Vo/R = 103.552/2 = 51.776 A.