A balanced 3-phase load of 150 kW at 1000 V, 0.866lagging power factor is supplied from 2000 V, 3- phase mains through single-phase transformers (assumed to be ideal) connected in (i) delta-delta (ii) V-V. Find the current in the windings of each transformer and the power factor at which they operate in each case.

A balanced 3-phase load of 150 kW at 1000 V, 0.866lagging power factor is supplied from 2000 V, 3- phase mains through single-phase transformers (assumed to be ideal) connected in (i) delta-delta (ii) V-V. Find the current in the windings of each transformer and the power factor at which they operate 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

Chapter3: Power Transformers

Section: Chapter Questions

Problem 3.26MCQ: In per-unit equivalent circuits of practical three-phase transformers, under balanced thr-phase...

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