a) What is the complex power drawn and delivered by the transformer? (b) Draw a per-phase equivalent circuit diagram showing the R1eq resistance and X1eq reactance on the primary side. Calculate the values of these equivalent circuit components. (c) Calculate the losses of the transformer delivering 1500 kVA at a power factor of 0.82 lagging
a) What is the complex power drawn and delivered by the transformer? (b) Draw a per-phase equivalent circuit diagram showing the R1eq resistance and X1eq reactance on the primary side. Calculate the values of these equivalent circuit components. (c) Calculate the losses of the transformer delivering 1500 kVA at a power factor of 0.82 lagging
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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A 3-phase 1 kV / 33 kV, 50 Hz, step-up transformer is connected as Yy0 and delivers 1500 kVA at 33 kV with a power factor of 0.82 lagging to a transmission system. The transformer is supplied with 1.022 kV at a power factor of 0.81 lagging. The magnetising reactance and core losses of the transformer are assumed to be negligible. (a) What is the complex power drawn and delivered by the transformer? (b) Draw a per-phase equivalent circuit diagram showing the R1eq resistance and X1eq reactance on the primary side. Calculate the values of these equivalent circuit components. (c) Calculate the losses of the transformer delivering 1500 kVA at a power factor of 0.82 lagging.
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