A 480-V, 60-Hz, A-connected, four-pole synchronous generator has a synchronous reactance of 0.1 ohm and an...
A 480-V, 60-Hz, A-connected, four-pole
synchronous
generator has a synchronous reactance of 0.1 ohm and an
armature resistance of 0.0 15 ohm. At full load, the machine
supplies 1200 A at 0.8 PF lagging. Under full-load
conditions, the friction and windage losses are 40 kW, and
the core losses are 30 kW. Ignore any field circuit losses
c) How much power is the generator now supplying? How
much power is supplied to the generator by the prime
mover? What is this machine's overall efficiency?
d) Suppose that the generator is connected to a load
drawing 1200 A at 0.8 PF leading. How much field current
would be required to keep VT at 480 V?
Homework Answers
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A 480-V, 60-Hz, A-connected, four-pole
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Please correctly answer question and post all steps! Will rate!
Thanks!
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PLEASE
ASAP answer
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