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Q4- A 480V, 50Hz, 20KVA Y-connected eight-pole synchronous generator has a per-phase synchronous impedance of 0.15+??1.1...

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Electrical Engineering

Q4- A 480V, 50Hz, 20KVA Y-connected eight-pole synchronousgenerator has a per-phase synchronous impedance of 0.15+??1.1 ?.The total mechanical and stray losses are 1.5kW. The core lossesare neglected. Assume that the magnetization curve of the generatoris linear. If the generator operates at full load at a unity powerfactor, calculate the following:
a.The speed of rotation of the generator at full load.
b.The voltage regulation of the generator.
c.The developed torque on the shaft of the generator.
d.The efficiency of the generator at full load.

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