10.4 A 3-phase, star-connected Alternator is rated at 1.5 MVA, 13.2 kV. Its effective resistance and Synchronous reactance per phase are 1.5 and 30 respectively. Calculate the percentage voltage regulation for a load of 1.0 MW at pf of (i) 0.8 leading, (ii) unity and (iii) 0.8 lagging.

Power System Analysis and Design (MindTap Course List)
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ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
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10.4 A 3-phase, star-connected Alternator is rated at 1.5 MVA, 13.2 kV. Its
effective resistance and Synchronous reactance per phase are 1.5 and 30
respectively. Calculate the percentage voltage regulation for a load of 1.0 MW at pf
of (i) 0.8 leading, (ii) unity and (iii) 0.8 lagging.
Transcribed Image Text:10.4 A 3-phase, star-connected Alternator is rated at 1.5 MVA, 13.2 kV. Its effective resistance and Synchronous reactance per phase are 1.5 and 30 respectively. Calculate the percentage voltage regulation for a load of 1.0 MW at pf of (i) 0.8 leading, (ii) unity and (iii) 0.8 lagging.
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