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Two 3-phase Y-connected alternators are to be paralleled to a set of common busbars. The armature has a per phase synchronous reactance of 1.7 Ω and negligible armature resistance. The line voltage of the first machine is adjusted to 3,300 V and that of the second machine is adjusted to 3,200 V. The machine voltages are in phase at the instant they are paralleled. Under this condition, the synchronising current per phase will be | |
A. | 16.98 A [Correct Answer] |
B. | 29.41 A [Wrong Answer] |
C. | 33.96 A [Wrong Answer] |
D. | 58.82 A [Wrong Answer] |