Transformer 1 400/115V transformer Electrical Machines Transformer test results Open Circuit Iron Losses (Pi) 1.5W Current (I) 8.3mA Short Circuit Voltage Short Circuit (Vsc) Current (Ip) 38V 0.124A Voltage Primary 400V Copper Losses (Pc) 2.2W Transformer 2 230/12V transformer | Open Circuit Iron Losses (Pc) 2.5W Current (I) 32.5mA Short Circuit Voltage Short Circuit (Vsc) Current (Ip) 50V 0.88A Voltage Primary 230V Copper Losses (Pc) 3W regulation is (Res cos (0) + Xessin (0)) is (Rescos (0) + Xessin (0)) + Vs × 100%

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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Please work out the voltage regulation using the information in the images

Transformer 1
400/115V transformer
Electrical Machines
Transformer test results
Open Circuit
Iron Losses (Pi)
1.5W
Current (I)
8.3mA
Short Circuit
Voltage Short
Circuit (Vsc)
Current (Ip)
38V
0.124A
Voltage Primary
400V
Copper Losses (Pc)
2.2W
Transformer 2
230/12V transformer |
Open Circuit
Iron Losses (Pc)
2.5W
Current (I)
32.5mA
Short Circuit
Voltage Short
Circuit (Vsc)
Current (Ip)
50V
0.88A
Voltage Primary
230V
Copper Losses (Pc)
3W
Transcribed Image Text:Transformer 1 400/115V transformer Electrical Machines Transformer test results Open Circuit Iron Losses (Pi) 1.5W Current (I) 8.3mA Short Circuit Voltage Short Circuit (Vsc) Current (Ip) 38V 0.124A Voltage Primary 400V Copper Losses (Pc) 2.2W Transformer 2 230/12V transformer | Open Circuit Iron Losses (Pc) 2.5W Current (I) 32.5mA Short Circuit Voltage Short Circuit (Vsc) Current (Ip) 50V 0.88A Voltage Primary 230V Copper Losses (Pc) 3W
regulation
is (Res cos (0) + Xessin (0))
is (Rescos (0) + Xessin (0)) + Vs
× 100%
Transcribed Image Text:regulation is (Res cos (0) + Xessin (0)) is (Rescos (0) + Xessin (0)) + Vs × 100%
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