connected Open Given: Balanced 30 load; Z₁ = 24/15⁰ Ohms, connected - delta. Balanced 30 transformer bank - Delta Line to Line voltage V₁ = 480 volts. Determine: (a) total real, reactive and apparent power; (b) Apparent power and power factor of each transformer is operating.
connected Open Given: Balanced 30 load; Z₁ = 24/15⁰ Ohms, connected - delta. Balanced 30 transformer bank - Delta Line to Line voltage V₁ = 480 volts. Determine: (a) total real, reactive and apparent power; (b) Apparent power and power factor of each transformer is operating.
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 3.51P: The ratings of a three-phase three-winding transformer are Primary(1): Y connected 66kV,15MVA...
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![3. Given: Balanced 30 load; Z₁ = 24/15⁰ Ohms, connected - delta. Balanced 30 transformer bank -
connected Open - Delta Line to Line voltage V₁ = 480 volts. Determine: (a) total real,
reactive and apparent power; (b) Apparent power and power factor of each transformer is
operating.
(a) Total real, reactive and apparent power:
Q
S
P
27818.665 W
7453.982 VARs (Ind.)
28800.00 V.A.
(b) Apparent power & P.F. of each transformer
Transformer 1
01
Transformer 2
e2
S2 (kVA)
SI (KVA)
16.628
45.000
16.628
15.000
P.F.1
0.707
P.F.2
0.966](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4f6498e5-9039-4468-8932-e6a88f146994%2F8e5a5159-1405-4e59-9705-955f86863737%2Fcszur3b_processed.jpeg&w=3840&q=75)
Transcribed Image Text:3. Given: Balanced 30 load; Z₁ = 24/15⁰ Ohms, connected - delta. Balanced 30 transformer bank -
connected Open - Delta Line to Line voltage V₁ = 480 volts. Determine: (a) total real,
reactive and apparent power; (b) Apparent power and power factor of each transformer is
operating.
(a) Total real, reactive and apparent power:
Q
S
P
27818.665 W
7453.982 VARs (Ind.)
28800.00 V.A.
(b) Apparent power & P.F. of each transformer
Transformer 1
01
Transformer 2
e2
S2 (kVA)
SI (KVA)
16.628
45.000
16.628
15.000
P.F.1
0.707
P.F.2
0.966
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