Consider the above equivalent circuit of Synchronous Machine. The nominal values of a star connected synchronous generator are : 75 MVA, 12.5 kV, 50Hz , 3000 rpm .Since the synchronous reactance of this machine x0= 80% and artery resistance r=1.5 mΩ, calculate the values of induced pole wheel voltage (Ef) a)while the machine is running ohmic(cos(Ø) = 1 at rated load b)while the machine is running ohmic(cos(Ø) = 0.8(end) at rated load

Consider the above equivalent circuit of Synchronous Machine. The nominal values of a star connected synchronous generator are : 75 MVA, 12.5 kV, 50Hz , 3000 rpm .Since the synchronous reactance of this machine x0= 80% and artery resistance r=1.5 mΩ, calculate the values of induced pole wheel voltage (Ef) a)while the machine is running ohmic(cos(Ø) = 1 at rated load b)while the machine is running ohmic(cos(Ø) = 0.8(end) at rated load

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

Chapter12: Power System Controls

Section: Chapter Questions

Problem 12.12P

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