A three-phase, 17.32 kVA, 400-V star connected alternator is delivering rated load at 400 V and pf of 0.8 lagging. Its synchronous impedance is 0.2 + j2 ohms per phase. With the magnitude of the excitation voltage held constant, the nature of the rated load pf is altered to pf 0.8 leading, determine the new terminal voltage per phase.
A three-phase, 17.32 kVA, 400-V star connected alternator is delivering rated load at 400 V and pf of 0.8 lagging. Its synchronous impedance is 0.2 + j2 ohms per phase. With the magnitude of the excitation voltage held constant, the nature of the rated load pf is altered to pf 0.8 leading, determine the new terminal voltage per phase.
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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Transcribed Image Text:A three-phase, 17.32 kVA, 400-V star connected alternator is
delivering rated load at 400 V and pf of 0.8 lagging. Its
synchronous impedance is 0.2 + j2 ohms per phase. With the
magnitude of the excitation voltage held constant, the nature of
the rated load pf is altered to pf 0.8 leading, determine the new
terminal voltage per phase.
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