6. 150 kVA, 2800-240 V, 50 Hz transformer. Req.Ls Step down transformer delivers 135 kW to a load at 0.9 lagging power factor at rated voltage. Determine the = 0.0082N , Xeq,Ls = 0.0223N Rfe,Hs=22002 Xm,Hs=12002 Following: d) Input impedance. e) Voltage regulation. f) Efficiency.
6. 150 kVA, 2800-240 V, 50 Hz transformer. Req.Ls Step down transformer delivers 135 kW to a load at 0.9 lagging power factor at rated voltage. Determine the = 0.0082N , Xeq,Ls = 0.0223N Rfe,Hs=22002 Xm,Hs=12002 Following: d) Input impedance. e) Voltage regulation. f) Efficiency.
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 3.28MCQ
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![150 kVA, 2800-240 V, 50 Hz transformer.
Reg.Ls = 0.0082N , Xeq,Ls
Step down transformer delivers 135 kW to a load at 0.9 lagging power factor at rated voltage.
Determine the
6.
= 0.02230
Rfc.Hs=22002
Xm.Hs=12002
%3D
Following:
d) Input impedance.
e) Voltage regulation.
f) Efficiency.
g) Voltage regulation for 0.9 leading pf.
h) Draw the phasor diagram of secondary circuit at 0.9 lagging pf.
i) Draw the phasor diagram of secondary circuit at 0.9 leading pf.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F85cb168d-5069-44cb-8136-b57355b75f4e%2Fc20e9157-3f12-4416-8a78-e7b1a8d539c1%2Fw6oxpik_processed.jpeg&w=3840&q=75)
Transcribed Image Text:150 kVA, 2800-240 V, 50 Hz transformer.
Reg.Ls = 0.0082N , Xeq,Ls
Step down transformer delivers 135 kW to a load at 0.9 lagging power factor at rated voltage.
Determine the
6.
= 0.02230
Rfc.Hs=22002
Xm.Hs=12002
%3D
Following:
d) Input impedance.
e) Voltage regulation.
f) Efficiency.
g) Voltage regulation for 0.9 leading pf.
h) Draw the phasor diagram of secondary circuit at 0.9 lagging pf.
i) Draw the phasor diagram of secondary circuit at 0.9 leading pf.
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