We wish to conncct a 6 kVA, 120/240 V transformer as an autotransformer to a 120 V source to supply 360 V to a load. a) Draw the circuit. b) What is the maximum load kVA that can be supplied? c) At the maximum load, determine I, p, and l. d) What are the possibilities to connect it as a step-down autotransformer and determine the load voltage at each case?

We wish to conncct a 6 kVA, 120/240 V transformer as an autotransformer to a 120 V source to supply 360 V to a load. a) Draw the circuit. b) What is the maximum load kVA that can be supplied? c) At the maximum load, determine I, p, and l. d) What are the possibilities to connect it as a step-down autotransformer and determine the load voltage at 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 3.58P: A single-phase two-winding transformer rated 90MVA,80/120kV is to be connected as an autotransformer...

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