Q1. A 12-kVA, 120/480-V, two winding transformer is connected as 480/600V step-up autotransformer. I- Draw the schematic circuit diagram of the arrangement, label all currents and voltages and calculate IH, I, and I and the transformation ratio and new turns- ratio. II- Calculate IL, IH, and I if a 90% of full load at 0.80 leading power factor is connected at the output of the autotransformer.
Q1. A 12-kVA, 120/480-V, two winding transformer is connected as 480/600V step-up autotransformer. I- Draw the schematic circuit diagram of the arrangement, label all currents and voltages and calculate IH, I, and I and the transformation ratio and new turns- ratio. II- Calculate IL, IH, and I if a 90% of full load at 0.80 leading power factor is connected at the output of the autotransformer.
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 3.4P: A single-phase 100-kVA,2400/240-volt,60-Hz distribution transformer is used as a step-down...
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