| Q.52 | Consider the following statements about EMF method of finding the voltage regulation and select the most appropriate option. a. Both open and short circuit data are essential for applying this method. b. The largest value of synchronous impedance obtained from the largest short circuit current is considered. c. In a practical machine, the value of synchronous impedance is a constant. d. The voltage regulation calculated by the EMF method is much higher than the actual value of regulation. | |
| Ans | 1. Only d is true | |
| 2. Both a and d are true | ||
| 3. Both b and d are true | ||
| 4. All a, b, c, d are true |
Correct Ans: 2
