| Q.30 | For satisfactory parallel operation of two transformers a number of conditions are to be filled. A number of conditions are written below. Indicate which of these is not required to be filled. | |
| Ans | A. kVA ratings of the two transformers should be equal. | |
| B. Transformers should be properly connected with regard to their polarity. | ||
| C. The percentage impedance of the two transformers should be equal. | ||
| D. Voltage ratings of the primary windings should be suitable for supply system voltage and frequency. |
Correct Ans Provided: A
