A 6600V, 3-ph, Y-connected alternator has a synchronous impedance of (0.4+j6) ohm per phase. Determine the percentage voltage regulation of the machine when supplying a load of 1000 kW at normal voltage and p.f of (i) 0.866 lagging. (ii) unity, (iii) 0.866 leading, giving vector diagrams in each case.

A 6600V, 3-ph, Y-connected alternator has a synchronous impedance of (0.4+j6) ohm per phase. Determine the percentage voltage regulation of the machine when supplying a load of 1000 kW at normal voltage and p.f of (i) 0.866 lagging. (ii) unity, (iii) 0.866 leading, giving vector diagrams in each case.

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 2.26P: A small manufacturing plant is located 2 km down a transmission line, which has a series reactance...

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