Question 2: The following data were obtained on a 20 kVA, 50 Hz, 2000/200 V distribution transformer: Open Circuit Test (on Secondary) VOC = 200 V IOC 4 A Short Circuit Test (on Primary) VSC = 60 V ISC= 10 A POC = 120 W PSC = 300 W (a) Draw the equivalent circuit of the transformer referred to the HV and LV sides respectively showing the values of all transformer parameter. (b) Calculate the full-load voltage regulation at 0.85 lagging power factor. (c) What is the efficiency of this transformer at full load with a power factor of 0.85 lagging?
Question 2: The following data were obtained on a 20 kVA, 50 Hz, 2000/200 V distribution transformer: Open Circuit Test (on Secondary) VOC = 200 V IOC 4 A Short Circuit Test (on Primary) VSC = 60 V ISC= 10 A POC = 120 W PSC = 300 W (a) Draw the equivalent circuit of the transformer referred to the HV and LV sides respectively showing the values of all transformer parameter. (b) Calculate the full-load voltage regulation at 0.85 lagging power factor. (c) What is the efficiency of this transformer at full load with a power factor of 0.85 lagging?
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 3.14P: A single-phase 50-kVA,2400/240-volt,60-Hz distribution transformer is used as a step-down...
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![Question 2:
The following data were obtained on a 20 kVA, 50 Hz, 2000/200 V distribution transformer:
Open Circuit Test
(on Secondary)
VOC = 200 V
IOC=4 A
ISC = 10 A
POC = 120 W
PSC = 300 W
(a) Draw the equivalent circuit of the transformer referred to the HV and LV sides respectively showing the
values of all transformer parameter.
(b) Calculate the full-load voltage regulation at 0.85 lagging power factor.
(c) What is the efficiency of this transformer at full load with a power factor of 0.85 lagging?
Short Circuit Test
(on Primary)
VSC 60 V](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6d3945ee-d888-4a5f-bf1f-9dea4bc0b596%2F87984ea1-7765-4ea1-b3fc-54566931e254%2Fodkbcln.png&w=3840&q=75)
Transcribed Image Text:Question 2:
The following data were obtained on a 20 kVA, 50 Hz, 2000/200 V distribution transformer:
Open Circuit Test
(on Secondary)
VOC = 200 V
IOC=4 A
ISC = 10 A
POC = 120 W
PSC = 300 W
(a) Draw the equivalent circuit of the transformer referred to the HV and LV sides respectively showing the
values of all transformer parameter.
(b) Calculate the full-load voltage regulation at 0.85 lagging power factor.
(c) What is the efficiency of this transformer at full load with a power factor of 0.85 lagging?
Short Circuit Test
(on Primary)
VSC 60 V
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