1- Consider a 50 kVA, 7200V-208V, 3-phase, 50 Hz, wye-delta connected transformer. The open and short-circuit tests are as follows: Poe = 500 W, Ioe =4.0 A, Voc = 208 V performed on the secondary Pse = 600 W, Igc = 4.01 A, Vsc = 370 V performed on the primary Find: a) The parameters of the approximate equivalent circuit b) The voltage regulation at full load, 0.8 power-factor lagging. c) Draw a phasor diagram of this transformer at 0.8 power factor lagging.
1- Consider a 50 kVA, 7200V-208V, 3-phase, 50 Hz, wye-delta connected transformer. The open and short-circuit tests are as follows: Poe = 500 W, Ioe =4.0 A, Voc = 208 V performed on the secondary Pse = 600 W, Igc = 4.01 A, Vsc = 370 V performed on the primary Find: a) The parameters of the approximate equivalent circuit b) The voltage regulation at full load, 0.8 power-factor lagging. c) Draw a phasor diagram of this transformer at 0.8 power factor lagging.
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 3.51P: The ratings of a three-phase three-winding transformer are Primary(1): Y connected 66kV,15MVA...
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![1- Consider a 50 kVA, 7200V-208V, 3-phase, 50 Hz, wye-delta connected transformer. The open and short-circuit tests
are as follows:
Poe = 500 W, Ioe =4.0 A, Voc = 208 V performed on the secondary
Pse = 600 W, Igc = 4.01 A, Vsc = 370 V performed on the primary
Find:
a) The parameters of the approximate equivalent circuit
b) The voltage regulation at full load, 0.8 power-factor lagging.
c) Draw a phasor diagram of this transformer at 0.8 power factor lagging.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6e668a6d-752f-4c59-98df-8f9a5986321c%2Fd2279476-41f9-4fb4-a2d8-0ffc5bc724cd%2Fwl8aicy_processed.png&w=3840&q=75)
Transcribed Image Text:1- Consider a 50 kVA, 7200V-208V, 3-phase, 50 Hz, wye-delta connected transformer. The open and short-circuit tests
are as follows:
Poe = 500 W, Ioe =4.0 A, Voc = 208 V performed on the secondary
Pse = 600 W, Igc = 4.01 A, Vsc = 370 V performed on the primary
Find:
a) The parameters of the approximate equivalent circuit
b) The voltage regulation at full load, 0.8 power-factor lagging.
c) Draw a phasor diagram of this transformer at 0.8 power factor lagging.
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