10.6 A 3-phase star-connected Alternator is rated at 11 kV (line). The effective resistance and Synchronous reactance per phase are 2.0 and 20 2 respectively. Calculate the percentage voltage regulation for a load current of 100 A at pf of (i) unity and (ii) 0.8 lag [Ans: (i) 7.85% : (ii) 23.634%]

10.6 A 3-phase star-connected Alternator is rated at 11 kV (line). The effective resistance and Synchronous reactance per phase are 2.0 and 20 2 respectively. Calculate the percentage voltage regulation for a load current of 100 A at pf of (i) unity and (ii) 0.8 lag [Ans: (i) 7.85% : (ii) 23.634%]

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 2.16P: A single-phase, 120V(rms),60Hz source supplies power to a series R-L circuit consisting of R=10 and...

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Question

10.6 A 3-phase star-connected Alternator is rated at 11 kV (line). The effective
resistance and Synchronous reactance per phase are 2.0 and 20 2 respectively.
Calculate the percentage voltage regulation for a load current of 100 A at pf of (i)
unity and (ii) 0.8 lag
[Ans: (i) 7.85% : (ii) 23.634%]

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