A 200 MVA, three-phase, wye-connected, 60 Hz, 21 kV synchronous generator has negligible armature resistance and synchronous reactance of 2.5 2/phase. The field current is adjusted for a no-load excitation voltage of 20.5 KVLL and the generator is delivering 100 MW (a) Draw a neat and clearly labelled curve showing the relationship between the generator power output and the load angle. Calculate and show the maximum power and the operating power and load angle on your diagram.

A 200 MVA, three-phase, wye-connected, 60 Hz, 21 kV synchronous generator has negligible armature resistance and synchronous reactance of 2.5 2/phase. The field current is adjusted for a no-load excitation voltage of 20.5 KVLL and the generator is delivering 100 MW (a) Draw a neat and clearly labelled curve showing the relationship between the generator power output and the load angle. Calculate and show the maximum power and the operating power and load angle on your diagram.

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter3: Power Transformers

Section: Chapter Questions

Problem 3.38P: Consider a three-phase generator rated 300MVA,23kV, supplying a system load of 240 MA and 0.9 power...

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