A 5 MVA phase, 14.1-KV, 0.85-PF-lagging, 50Hz, 4-pole, Y-connected steam-turbine generator has a synchronous reactance of 10 per phase, and a negligible armature resistance. This generator is connected to operate in parallel with large power system infinite bus) The generator is operating with EA=8.0 KV and S = 21.8 degrees If the field current is reduced by 20 % while the power is not changed, Find the new torque angle and the magnitude of the armature current.
A 5 MVA phase, 14.1-KV, 0.85-PF-lagging, 50Hz, 4-pole, Y-connected steam-turbine generator has a synchronous reactance of 10 per phase, and a negligible armature resistance. This generator is connected to operate in parallel with large power system infinite bus) The generator is operating with EA=8.0 KV and S = 21.8 degrees If the field current is reduced by 20 % while the power is not changed, Find the new torque angle and the magnitude of the armature current.
Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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A 5 MVA phase, 14.1-KV, 0.85-PF-lagging, 50Hz, 4-pole, Y-connected steam-turbine generator has a synchronous reactance of 10 per phase, and a negligible armature resistance. This generator is connected to operate in parallel with large power system infinite bus) The generator is operating with EA=8.0 KV and S = 21.8 degrees
If the field current is reduced by 20 % while the power is not changed,
Find the new torque angle and the magnitude of the armature current.
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