a) A three-phase, 11 kV, 50 Hz, four poles delta-connected synchronous generator has an armature resistance 2 02/phase and a synchronous reactance of 5 22/phase. The generator is connected to an infinite bus and delivers 550 A at full load with 0.8 power factor lagging. The total friction and windage losses are 100 kW, Evaluate the following: i) The overall efficiency of the generator ii) The maximum power that the generator can supply, if the field current kept constant

a) A three-phase, 11 kV, 50 Hz, four poles delta-connected synchronous generator has an armature resistance 2 02/phase and a synchronous reactance of 5 22/phase. The generator is connected to an infinite bus and delivers 550 A at full load with 0.8 power factor lagging. The total friction and windage losses are 100 kW, Evaluate the following: i) The overall efficiency of the generator ii) The maximum power that the generator can supply, if the field current kept constant

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

Chapter2: Fundamentals

Section: Chapter Questions

Problem 2.32MCQ: While the instantaneous electric power delivered by a single-phase generator under balanced...

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