esc 1 tab Q Cock A F1 2 IIISI Question 3. A 12-kVA, 480/120V, step-down ideal transformer is operating at its full load with a 70.7% pf lagging. Determine (a) the secondary winding current magnitude and angle, (b) the load impedance seen from the primary (480V) side. Question 4. The following data were taken for a 46-kVA, 230/2300V, 60-Hz transformer: Voltage (V) Current (A) Power (W) Short-circuit test 160 20 1150 Determine (a) the equivalent winding resistance ReH of the transformer at the high-voltage side, and (b) the copper loss at 50% load. ne 47 G 18 e
esc 1 tab Q Cock A F1 2 IIISI Question 3. A 12-kVA, 480/120V, step-down ideal transformer is operating at its full load with a 70.7% pf lagging. Determine (a) the secondary winding current magnitude and angle, (b) the load impedance seen from the primary (480V) side. Question 4. The following data were taken for a 46-kVA, 230/2300V, 60-Hz transformer: Voltage (V) Current (A) Power (W) Short-circuit test 160 20 1150 Determine (a) the equivalent winding resistance ReH of the transformer at the high-voltage side, and (b) the copper loss at 50% load. ne 47 G 18 e
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...
Related questions
Question
Question 3
![esc
1
tab
Q
Cock
A
F1
2
IIISI
Question 3. A 12-kVA, 480/120V, step-down ideal transformer is operating at its full load with a
70.7% pf lagging. Determine (a) the secondary winding current magnitude and angle, (b) the load
impedance seen from the primary (480V) side.
Question 4. The following data were taken for a 46-kVA, 230/2300V, 60-Hz transformer:
Voltage (V)
Current (A)
Power (W)
Short-circuit test
160
20
1150
Determine (a) the equivalent winding resistance ReH of the transformer at the high-voltage side,
and (b) the copper loss at 50% load.
ne
47
G
18
e](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fdaad9e7e-1f14-44d5-98ac-51623b651f9b%2F3515c1cb-86bd-480c-8e91-bdf633d5911f%2Fe51tjms_processed.jpeg&w=3840&q=75)
Transcribed Image Text:esc
1
tab
Q
Cock
A
F1
2
IIISI
Question 3. A 12-kVA, 480/120V, step-down ideal transformer is operating at its full load with a
70.7% pf lagging. Determine (a) the secondary winding current magnitude and angle, (b) the load
impedance seen from the primary (480V) side.
Question 4. The following data were taken for a 46-kVA, 230/2300V, 60-Hz transformer:
Voltage (V)
Current (A)
Power (W)
Short-circuit test
160
20
1150
Determine (a) the equivalent winding resistance ReH of the transformer at the high-voltage side,
and (b) the copper loss at 50% load.
ne
47
G
18
e
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