A three-phase synchronous generator is driven by a gas turbine. The synchronous reactance is X=4 Q. The losses in the generator may be neglected. It has been just been connected to an infinite bus with a phase voltage of 20 kV and a frequency of 50 Hz in a proper way. 1) Sketch the full equivalent circuit of synchronous generator. 2) Which 4 conditions that have to be satisfied before a synchronous machine can be connected to the grid? 3) Calculate the stator current just after the proper grid connection.

A three-phase synchronous generator is driven by a gas turbine. The synchronous reactance is X=4 Q. The losses in the generator may be neglected. It has been just been connected to an infinite bus with a phase voltage of 20 kV and a frequency of 50 Hz in a proper way. 1) Sketch the full equivalent circuit of synchronous generator. 2) Which 4 conditions that have to be satisfied before a synchronous machine can be connected to the grid? 3) Calculate the stator current just after the proper grid connection.

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

Chapter6: Power Flows

Section: Chapter Questions

Problem 6.47P

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