A 3¢, 27 kVA, 230V, 0.9 PF (lagging) load is supplied by three 1OKVA, 1330 V/ 230 V, 60 Hz transformers connected in Y – A. The equivalent impedance of single transformer referred to the secondary side is Zeg2 = 0.12 + j0.25 N. Determine the required supplied voltage if the load voltage is 230 V.

A 3¢, 27 kVA, 230V, 0.9 PF (lagging) load is supplied by three 1OKVA, 1330 V/ 230 V, 60 Hz transformers connected in Y – A. The equivalent impedance of single transformer referred to the secondary side is Zeg2 = 0.12 + j0.25 N. Determine the required supplied voltage if the load voltage is 230 V.

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 3.57P: A two-winding single-phase transformer rated 60kVA,240/1200V,60Hz, has an efficiency of 0.96 when...

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