engineering recuitment GATE EE 2023-24 Test Series Electrical Machines Alternator and Synchronous Motors Synchronous Reactance
A 720 kVA, 240√3 V, star connected synchronous machine generates rated open circuit voltage at a field current of 20 A. A field current of 10 A produces rated armature current under short circuit condition. Per unit saturated synchronous reactance is:
1
2
2
0.5
3
0.4
4
1.5