From the short circuit test and open circuit test in #19 and #20, the equivalent circuit of a transformer can be obtained (it is then referred to the low voltage end). The transformer is rated 50 kVÄ,60 Hz, 2300:230 V. If it is delivering power at rated load, 0.85 lagging pf, determine: a. Load current, IL b. IM c. Ic d. What is the value of Vp?

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 3.29MCQ: For developing per-unit equivalent circuits of single-phase three-winding transformer, a common...
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24. From the short circuit test and open circuit test in #19 and #20, the equivalent circuit of a transformer can be obtained (it
is then referred to the low voltage end). The transformer is rated 50 kVA,60 Hz, 2300:230 V. If it is delivering power at rated
load, 0.85 lagging pf, determine:
a. Load current, In.
b. Iм
c. Ic
d. What is the value of Vp?
0.0084633 N
j0.0246696 n
Vp
153.3333 0Elc IM
j197.22340
50 kVA
23020° V Z
10
0.85 pf lag
Transcribed Image Text:24. From the short circuit test and open circuit test in #19 and #20, the equivalent circuit of a transformer can be obtained (it is then referred to the low voltage end). The transformer is rated 50 kVA,60 Hz, 2300:230 V. If it is delivering power at rated load, 0.85 lagging pf, determine: a. Load current, In. b. Iм c. Ic d. What is the value of Vp? 0.0084633 N j0.0246696 n Vp 153.3333 0Elc IM j197.22340 50 kVA 23020° V Z 10 0.85 pf lag
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