1- The efficiency of a 6600/384V, 200kVA, 1-phase transformer is 98% at full load 0.8 power factor and 97% at 75% of full-load unity power factor. The power factor on no load is 0.2 and the full load regulation at a lagging power factor of 0.8 is 3%. a- draw the equivalent circuit referred to the low voltage side and insert all values. b- calculate the secondary voltage at 80% full-load and 0.707 power factor leading. c- find the maximum voltage regulation at full-load.

1- The efficiency of a 6600/384V, 200kVA, 1-phase transformer is 98% at full load 0.8 power factor and 97% at 75% of full-load unity power factor. The power factor on no load is 0.2 and the full load regulation at a lagging power factor of 0.8 is 3%. a- draw the equivalent circuit referred to the low voltage side and insert all values. b- calculate the secondary voltage at 80% full-load and 0.707 power factor leading. c- find the maximum voltage regulation at full-load.

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 3.16P: A single-phase, 50-kVA,2400/240-V,60-Hz distribution transformer has the following parameters:...

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