Question-7 A 2000 KVA, 6600 V, three-phase, star-connected synchronous generator has a resistance of 0.4 O per phase and a synchronous reactance of 4.50 per phase. b. Calculate the percentage change in terminal voltage when the rated output of 2000 KVA at a power factor of 0.8 lagging is switched off. *The speed and exciting current remain unchanged.

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Question-7
A 2000 KVA, 6600 V, three-phase, star-connected synchronous generator has a resistance of
0.4 O per phase and a synchronous reactance of 4.5 Q per phase.
b. Calculate the percentage change in terminal voltage when the rated output of 2000 KVA
at a power factor of 0.8 lagging is switched off.
*The speed and exciting current remain unchanged.
Transcribed Image Text:Question-7 A 2000 KVA, 6600 V, three-phase, star-connected synchronous generator has a resistance of 0.4 O per phase and a synchronous reactance of 4.5 Q per phase. b. Calculate the percentage change in terminal voltage when the rated output of 2000 KVA at a power factor of 0.8 lagging is switched off. *The speed and exciting current remain unchanged.
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