The Scott connection is used to transform from 460 volts three-phase to 115 volts two-phase. If the load is 40 kva, calculate: (a) the current in the main and teaser primaries; (b) the current in the main and teaser secondaries; (c) the kilovolt- ampere rating of each of the transformers.

The Scott connection is used to transform from 460 volts three-phase to 115 volts two-phase. If the load is 40 kva, calculate: (a) the current in the main and teaser primaries; (b) the current in the main and teaser secondaries; (c) the kilovolt- ampere rating of each of the transformers.

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 3.50P: A single-phase three-winding transformer has the following parameters: Z1=Z2=Z3=0+j0.05,Gc=0, and...

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Concept explainers

Single Phase Transformer

A single-phase transformer is a type of power transformer. It is an electrical device that accepts converts the single phase alternating power into single phase alternating power. In this power conversion the voltage is stepped up or down. If the voltage is stepped up, the current will be stepped down and if the voltage is stepped down, the current will be stepped up.

Question

The Scott connection is used to transform from 460 volts three-phase to 115 volts
two-phase. If the load is 40 kva, calculate: (a) the current in the main and teaser
primaries; (b) the current in the main and teaser secondaries; (c) the kilovolt-
ampere rating of each of the transformers.

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