A round rotor synchronous generator has a leakage reactance of ___

A round rotor synchronous generator has a leakage reactance of 10%, armature reaction reactance of 90% and negligible armature resistance.

With the machine initially running at rated speed and terminal voltage of 1.0 pu, a 3-phase short-circuit is applied.

The sustained armature current will be

A. 1.25 pu
B. 1.11 pu
C. 1.0 pu
D. 0.9 pu

Show Answer

Answer: C

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