A step-down transformer is rated 15kVA, 8000/200 and has the following equivalent circuit parameters: Rp = 2.50 2 Rm 50,550 £2 R = 0.00440 S Xs = 0.02250 22 Xp = 14.5 92 Xm 11,850 S Assume that this transformer is supplying rated load at 220 V and 0.80 PF lagging. Find the equivalent winding impedance referred to the high voltage side. (i) (ii) (iii) Determine this transformer's input voltage. Determine its voltage regulation. = =
A step-down transformer is rated 15kVA, 8000/200 and has the following equivalent circuit parameters: Rp = 2.50 2 Rm 50,550 £2 R = 0.00440 S Xs = 0.02250 22 Xp = 14.5 92 Xm 11,850 S Assume that this transformer is supplying rated load at 220 V and 0.80 PF lagging. Find the equivalent winding impedance referred to the high voltage side. (i) (ii) (iii) Determine this transformer's input voltage. Determine its voltage regulation. = =
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Author:Robert L. Boylestad
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![A step-down transformer is rated 15kVA, 8000/200 and has the following equivalent
circuit parameters:
Rp = 2.50 2
Rm 50,550 £2
R = 0.00440 S
Xs = 0.02250 22
Xp = 14.5 92
Xm
11,850 S
Assume that this transformer is supplying rated load at 220 V and 0.80 PF lagging.
Find the equivalent winding impedance referred to the high voltage side.
(i)
(ii)
(iii)
Determine this transformer's input voltage.
Determine its voltage regulation.
=
=](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F09da56eb-40c8-41b1-bed0-b715738cd220%2F6df7ab1c-3b88-4e15-963c-d2df8b07e84a%2Fi58mozi_processed.png&w=3840&q=75)
Transcribed Image Text:A step-down transformer is rated 15kVA, 8000/200 and has the following equivalent
circuit parameters:
Rp = 2.50 2
Rm 50,550 £2
R = 0.00440 S
Xs = 0.02250 22
Xp = 14.5 92
Xm
11,850 S
Assume that this transformer is supplying rated load at 220 V and 0.80 PF lagging.
Find the equivalent winding impedance referred to the high voltage side.
(i)
(ii)
(iii)
Determine this transformer's input voltage.
Determine its voltage regulation.
=
=
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