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The open-circuit and short-circuit characteristic of a single-phase synchronous generator are shown on the same graph below.
A field current of 60 A produces the rated voltage. If the effective armature resistance of the generator is 0.3 Ω, determine the synchronous reactance of the machine [in Ohm].
  • a)
    1.75
  • b)
    1.85
Correct answer is between '1.75,1.85'. Can you explain this answer?
Verified Answer
The open-circuit and short-circuit characteristic of a single-phase s...
From the given figure, at the field current, If = 60A
Open-circuit voltage, VOC = 500V
Short-circuit armature, ISC = 275A
Hence, the synchronous impedance,
Synchronous reactance,
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The open-circuit and short-circuit characteristic of a single-phase synchronous generator are shown on the same graph below.A field current of 60 A produces the rated voltage. If the effective armature resistance of the generator is 0.3 Ω, determine the synchronous reactance of the machine [in Ohm].a)1.75b)1.85Correct answer is between '1.75,1.85'. Can you explain this answer?
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