A 3-phase star-connected alternator is excited to give 6600 V between lines on open circuit. It has a resistance of 0.5 Q and synchronous reactance of 5 2 per phase. Calculate the terminal voltage and regulation at full load current of 130 A when the P.F. is (i) 0.8 lagging, (ii) 0.6 leading. [Rajive Gandhi Technical University, Bhopal, 2000] [(1) 3318 Volts/Ph, + 14.83% (ii) 4265 Volts/Ph, - 10.65%]

A 3-phase star-connected alternator is excited to give 6600 V between lines on open circuit. It has a resistance of 0.5 Q and synchronous reactance of 5 2 per phase. Calculate the terminal voltage and regulation at full load current of 130 A when the P.F. is (i) 0.8 lagging, (ii) 0.6 leading. [Rajive Gandhi Technical University, Bhopal, 2000] [(1) 3318 Volts/Ph, + 14.83% (ii) 4265 Volts/Ph, - 10.65%]

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 2.10P: For the circuit element of Problem 2.3, calculate (a) the instantaneous power absorbed, (b) the real...

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