QUESTION 1 The secondary phase voltage and current of a delta/star transformer is 420V and 90A respectively, with the load causing a lagging power factor of 0.85. If the primary has 380 turns and the transformer is supplied with 240V: 1.1 Make a neat sketch of the transformer showing all the phase values, then calculate the line values for the 1.2 Primary and 1.3 Secondary
QUESTION 1 The secondary phase voltage and current of a delta/star transformer is 420V and 90A respectively, with the load causing a lagging power factor of 0.85. If the primary has 380 turns and the transformer is supplied with 240V: 1.1 Make a neat sketch of the transformer showing all the phase values, then calculate the line values for the 1.2 Primary and 1.3 Secondary
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 3.63P: A 23/230-kV step-up transformer feeds a three-phase transmission line, which in turn supplies a...
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