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open circuit test closed loop test To 20-kVA, 8000/240 V, 50 Hz values primary of single phase transformer with open circuit and short circuit according to the side tested, results obtained It has been noted in the adjacent table. Voc = 8000 V Vsc = 489V Ioc = 0.214A Isc = 1.25 A cos a =0.234 endüktif cos a = 0.896 endüktif a) Were the tests done on the correct sides of the transformer? Explain b)In your opinion, is there any wrongly received (read) value during the test? Explain c)After making sure that the values in the table are correct, find the parameters of the Identifier circuit of the single-phase transformer (reduced to the secondary side) d) Copper losses in transformer loaded with 0.8-inductive power factor at rated current? too much, iron losses?

open circuit test closed loop test To 20-kVA, 8000/240 V, 50 Hz values primary of single phase transformer with open circuit and short circuit according to the side tested, results obtained It has been noted in the adjacent table. Voc = 8000 V Vsc = 489V Ioc = 0.214A Isc = 1.25 A cos a =0.234 endüktif cos a = 0.896 endüktif a) Were the tests done on the correct sides of the transformer? Explain b)In your opinion, is there any wrongly received (read) value during the test? Explain c)After making sure that the values in the table are correct, find the parameters of the Identifier circuit of the single-phase transformer (reduced to the secondary side) d) Copper losses in transformer loaded with 0.8-inductive power factor at rated current? too much, iron losses?

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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open circuit test closed loop test To 20-kVA, 8000/240 V, 50 Hz values primary of single phase transformer with open circuit and short circuit according to the side tested, results obtained It has been noted in the adjacent table. Voc = 8000 V Vsc = 489V Ioc = 0.214A Isc = 1.25 A cos a =0.234 endüktif cos a = 0.896 endüktif a) Were the tests done on the correct sides of the transformer? Explain b)In your opinion, is there any wrongly received (read) value during the test? Explain c)After making sure that the values in the table are correct, find the parameters of the Identifier circuit of the single-phase transformer (reduced to the secondary side) d) Copper losses in transformer loaded with 0.8-inductive power factor at rated current? too much, iron losses?
Transcribed Image Text:open circuit test closed loop test To 20-kVA, 8000/240 V, 50 Hz values primary of single phase transformer with open circuit and short circuit according to the side tested, results obtained It has been noted in the adjacent table. Voc = 8000 V Vsc = 489V Ioc = 0.214A Isc = 1.25 A cos a =0.234 endüktif cos a = 0.896 endüktif a) Were the tests done on the correct sides of the transformer? Explain b)In your opinion, is there any wrongly received (read) value during the test? Explain c)After making sure that the values in the table are correct, find the parameters of the Identifier circuit of the single-phase transformer (reduced to the secondary side) d) Copper losses in transformer loaded with 0.8-inductive power factor at rated current? too much, iron losses?
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