Star-star connection of three phase transformer- Frequency of circuit component

Q.  Due to presence of third harmonic component in the star-star connection of three phase transformer, the frequency of the circuit component becomes
- Published on 30 Oct 15

a. Three times of the circuit frequency
b. One third of the circuit frequency
c. Remains same
d. None of these

ANSWER: Three times of the circuit frequency

Post your comment / Share knowledge

Enter the code shown above:
(Note: If you cannot read the numbers in the above image, reload the page to generate a new one.)