Question

T.H.D value for CSI is ________________

(a) 48.43 %

(b) 41.15 %

(c) 39.15 %

(d) 46.48 %

The question was asked during an interview for a job.

This interesting question is from Solid-State Switching Circuits in portion Introduction to Solid-State Switching Circuits of Electric Drives

Answer 1

Correct option is (a) 48.43 %

The explanation: T.H.D value for VSI is 48.43 %. Triplen harmonics are present in CSI due to which harmonic content increases.