Q. 52 With S2 closed and S1 open, the current waveform in the delta winding will beThe star-delta transformer shown above is excited on the star side with balanced,4-wire, 3-phase, sinusoidal voltage supply of rated magnitude. The transformer iunder no load condition
(A) a sinusoid at fundamental frequency
(B) flat-topped with third harmonic
(C) only third-harmonic
(D) none of these
Answer:(A)
Explanation:
