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Given a 20 kVA, 50 Hz, 2000/200 V single-phase transformer. The parameters of the transformer equivalent circuit are: R1 = 0.5 2, R2 = 0.005 2, X1₁ = 0.5 2, X2= 0.005 2. The excitation impedance parameters referred to LVS are: Rc = 500 2 and XM transformer is fully-loaded at 0.8 PF lagging and the load voltage is maintained at 200 V. = 50 Q2. The Using the approximate L-equivalent circuit, the voltage regulation of the transformer is: 3.45 % 5.2 % ● 0.7% 7.1%

Given a 20 kVA, 50 Hz, 2000/200 V single-phase transformer. The parameters of the transformer equivalent circuit are: R1 = 0.5 2, R2 = 0.005 2, X1₁ = 0.5 2, X2= 0.005 2. The excitation impedance parameters referred to LVS are: Rc = 500 2 and XM transformer is fully-loaded at 0.8 PF lagging and the load voltage is maintained at 200 V. = 50 Q2. The Using the approximate L-equivalent circuit, the voltage regulation of the transformer is: 3.45 % 5.2 % ● 0.7% 7.1%

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
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Given a 20 kVA, 50 Hz, 2000/200 V single-phase transformer. The parameters of the transformer equivalent circuit are: R₁ = 0.5 2, R2 = 0.005 Q2, Xı = 0.5 Q. X2-0.005 0. The excitation impedance parameters referred to LVS are: Re 500 2 and X - 50 9. The transformer is fully-loaded at 0.8 PF lagging and the load voltage is maintained at 200 V. Using the approximate L-equivalent circuit, the voltage regulation of the transformer is: 3.45% 5.2 % 0.7% 71% 32
Transcribed Image Text:Given a 20 kVA, 50 Hz, 2000/200 V single-phase transformer. The parameters of the transformer equivalent circuit are: R₁ = 0.5 2, R2 = 0.005 Q2, Xı = 0.5 Q. X2-0.005 0. The excitation impedance parameters referred to LVS are: Re 500 2 and X - 50 9. The transformer is fully-loaded at 0.8 PF lagging and the load voltage is maintained at 200 V. Using the approximate L-equivalent circuit, the voltage regulation of the transformer is: 3.45% 5.2 % 0.7% 71% 32
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