Question 1. parameters: A single-phase, 10 kVA, 4400/1100 V, 50 Hz transformer has the following High voltage (HV) side winding parameters: RƒV = R₁ = 5N, Low voltage (LV) side winding parameters: RLV = R2 = 0.35 2, Core loss resistance and magnetizing inductance: Rc(HV) = LHV = L₁₁ = 0.09 H LLV = L12 = 0.0032 H 150 kN, Lm(HV) = 180 H (a) Obtain an equivalent circuit of the transformer referred to the HV side. (b) Determine the voltage regulation at full load with 0.8 power factor (PF) leading. (c) Determine the no-load power loss (core loss) based on the circuit model in (a).
Question 1. parameters: A single-phase, 10 kVA, 4400/1100 V, 50 Hz transformer has the following High voltage (HV) side winding parameters: RƒV = R₁ = 5N, Low voltage (LV) side winding parameters: RLV = R2 = 0.35 2, Core loss resistance and magnetizing inductance: Rc(HV) = LHV = L₁₁ = 0.09 H LLV = L12 = 0.0032 H 150 kN, Lm(HV) = 180 H (a) Obtain an equivalent circuit of the transformer referred to the HV side. (b) Determine the voltage regulation at full load with 0.8 power factor (PF) leading. (c) Determine the no-load power loss (core loss) based on the circuit model in (a).
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 3.4MCQ: An ideal transformer has no real or reactive power loss. (a) True (b) False
Question

Transcribed Image Text:Question 1.
parameters:
A single-phase, 10 kVA, 4400/1100 V, 50 Hz transformer has the following
High voltage (HV) side winding parameters: RƒV = R₁ = 5N,
Low voltage (LV) side winding parameters: RLV = R2 = 0.35 2,
Core loss resistance and magnetizing inductance: Rc(HV)
=
LHV = L₁₁ = 0.09 H
LLV = L12 = 0.0032 H
150 kN, Lm(HV)
=
180 H
(a) Obtain an equivalent circuit of the transformer referred to the HV side.
(b) Determine the voltage regulation at full load with 0.8 power factor (PF) leading.
(c) Determine the no-load power loss (core loss) based on the circuit model in (a).
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