When a 3-phase alternator is suddenly short-circuited at its ___

When a 3-phase alternator is suddenly short-circuited at its terminals, the initial value of shortcircuit current is limited by which one of the following:

A. Subtransient reactance X"d
B. Transient reactance X’d
C. Synchronous reactance X"s
D. Sum of X"d X’d and X"s

Show Answer

Answer: A

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