7. Three de shunt generators in parallel running each having an armature resistance of 0.22, running at the same speed and excited to give equal share of total load of 200 kW at a terminal voltage of 500V into a load of fixed machine. If the field current of one generator is raised by 2%, the other remaining unchanged, calculate the output power of each machine and their terminal voltage under this conditions. Assume the speed remains constant and the flux is proportional to field current.

7. Three de shunt generators in parallel running each having an armature resistance of 0.22, running at the same speed and excited to give equal share of total load of 200 kW at a terminal voltage of 500V into a load of fixed machine. If the field current of one generator is raised by 2%, the other remaining unchanged, calculate the output power of each machine and their terminal voltage under this conditions. Assume the speed remains constant and the flux is proportional to field current.

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

Chapter11: Transient Stability

Section: Chapter Questions

Problem 11.3P

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