engineering recuitment GATE EE 2023-24 Test Series Power Systems PU System and Symmetrical Components Symmetrical Networks
Consider the following statements regarding sequence reactance of different elements:
1. Positive and negative sequence reactance of transmission line are equal.
2. Zero sequence reactance of cylindrical rotor synchronous machine is slightly more than the positive sequence reactance.
3. Negative sequence reactance of salient pole rotor synchronous machine less than the positive sequence reactance.
4. Zero sequence reactance of transmission line is three times of positive sequence reactance.
Which of the above statements are correct?
1
1, 2, 3 and 4
2
1, 2 and 3
3
1, 3 and 4
4
1 and 4 only