engineering recuitment PGCIL Diploma Trainee Mock Test 2024 Power Systems PU System and Symmetrical Components Symmetrical Networks
Which of the following statements is true?
1
The zero sequence reactance of a transformer is approximately equal to the negative sequence reactance.
2
The zero sequence reactance of a transformer is approximately equal to the positive sequence reactance.
3
The zero sequence reactance is larger than the negative sequence reactance, but less than the positive sequence reactance in the transformer.
4
The zero sequence reactance depends upon the connection and winding of the transformer.