A 3-phase star-connected alternator is rated at 1600KVA, 13,500V. The armatureeffective resistance and synchronous reactance are 1.5-ohm and 30-ohm, respectively perphase. Calculate the percentage regulation for a load of 1280kW at power factor (a) 0.8leading and (b) 0.8 lagging.

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hase star-connected alternator is rated at 1600 tive resistance and synchronous reactance are e. Calculate the percentage regulation for a loa ng and (bLO S d. lagging

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 12.13P

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Question

A 3-phase star-connected alternator is rated at 1600KVA, 13,500V. The armature
effective resistance and synchronous reactance are 1.5-ohm and 30-ohm, respectively per
phase. Calculate the percentage regulation for a load of 1280kW at power factor (a) 0.8
leading and (b) 0.8 lagging.

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