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Synchro swimming 101

A. What is the subtransient reactance of a synchronous machine?... | Filo

Find the synchronous impedance and reactance of an alternator in which a given field current produces an armature current of 200 A on short-circuit and a generated e.m.f. of 50 V on open-circuit. The armature resistance is 0.1 ohm. To what induced voltage must the alternator be excited if it is to deliver a load of 100 A at a p.f. of 0.8 lagging, with a terminal voltage of 200V.

Synchronous Motor: Construction, Working Principle & Applications