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A 100-kVA 8000/277-V distribution transformer has the following resistances and reactances: Rp=50 Rs = 0.005 2 Χρ = 6 Ω X = 0.006 2 Χμ = 10 ΚΩ Rc = 50 k The excitation branch impedances are given referred to the high-voltage side of the transformer. Find the equivalent circuit of this transformer referred to the low-voltage side. Assume that this transformer is supplying rated load at 277 V and 0.85 PF lagging. What is this transformer's input voltage? What is its voltage regulation?

A 100-kVA 8000/277-V distribution transformer has the following resistances and reactances: Rp=50 Rs = 0.005 2 Χρ = 6 Ω X = 0.006 2 Χμ = 10 ΚΩ Rc = 50 k The excitation branch impedances are given referred to the high-voltage side of the transformer. Find the equivalent circuit of this transformer referred to the low-voltage side. Assume that this transformer is supplying rated load at 277 V and 0.85 PF lagging. What is this transformer's input voltage? What is its voltage regulation?

Introductory Circuit Analysis (13th Edition)
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 100-kVA 8000/277-V distribution transformer has the following resistances and reactances: Rp=50 Rs = 0.005 2 Χρ = 6 Ω X = 0.006 2 Χμ = 10 ΚΩ Rc = 50 k The excitation branch impedances are given referred to the high-voltage side of the transformer. Find the equivalent circuit of this transformer referred to the low-voltage side. Assume that this transformer is supplying rated load at 277 V and 0.85 PF lagging. What is this transformer's input voltage? What is its voltage regulation?
Transcribed Image Text:A 100-kVA 8000/277-V distribution transformer has the following resistances and reactances: Rp=50 Rs = 0.005 2 Χρ = 6 Ω X = 0.006 2 Χμ = 10 ΚΩ Rc = 50 k The excitation branch impedances are given referred to the high-voltage side of the transformer. Find the equivalent circuit of this transformer referred to the low-voltage side. Assume that this transformer is supplying rated load at 277 V and 0.85 PF lagging. What is this transformer's input voltage? What is its voltage regulation?
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