5. A 3-phase 11kV, 10MVA, Y-connected synchronous generator has synchronous impedance of (0.8+j8) 2 per phase. If the excitation is such that the open-circuit voltage is 14kV, determine (i) the maximum output of the generator (ii) the current and p.f. at the maximum output. [Ans.(i)19.25MW (ii)1287A ; 0.786 lag.]

5. A 3-phase 11kV, 10MVA, Y-connected synchronous generator has synchronous impedance of (0.8+j8) 2 per phase. If the excitation is such that the open-circuit voltage is 14kV, determine (i) the maximum output of the generator (ii) the current and p.f. at the maximum output. [Ans.(i)19.25MW (ii)1287A ; 0.786 lag.]

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

Chapter3: Power Transformers

Section: Chapter Questions

Problem 3.24P: For Problem 3.18, the motor operates at full load, at 0.8 power factor leading, and at a terminal...

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