A 23-kVA, 2300/230-V, 60-Hz, step down transformer has the following resistance and leakage- reactance values: R=40, R2=0.040, X-120, and X=0.120. The transformer is operating at 75% of its rated load. If the power factor of the load is 0.866 leading. Determine the efficiency of the transformer. 9:50 1 a =10 Step2 b) Now Loud operetig ts°lo of its let, x = t5% E. Actuel load ou Pout - XxSx CESD trans formn Pout Pout rated load = 0:75 :. 0*子5×23×o866 14.94 KW ニ New Referring tla Loud ļ Secondary reaistances Pecinay Side 10 x o-04 - 4 r %3D 2 ox O•12 = - a la 10X 230 = 2300V ニ Step3 c) Now the ciocuit become8, RI
A 23-kVA, 2300/230-V, 60-Hz, step down transformer has the following resistance and leakage- reactance values: R=40, R2=0.040, X-120, and X=0.120. The transformer is operating at 75% of its rated load. If the power factor of the load is 0.866 leading. Determine the efficiency of the transformer. 9:50 1 a =10 Step2 b) Now Loud operetig ts°lo of its let, x = t5% E. Actuel load ou Pout - XxSx CESD trans formn Pout Pout rated load = 0:75 :. 0*子5×23×o866 14.94 KW ニ New Referring tla Loud ļ Secondary reaistances Pecinay Side 10 x o-04 - 4 r %3D 2 ox O•12 = - a la 10X 230 = 2300V ニ Step3 c) Now the ciocuit become8, RI
Chapter4: Symbols
Section: Chapter Questions
Problem 7SQ: The symbol shown is a(n) a. iron core transformer. b. auto transformer. c. current transformer. d....
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Question
100%
Why
Pout will not increase bu 75%
So why we did not use (1+0.75)(S)Pf and only we use 0.75(s)(pf) why we did not increase it ?
![A 23-kVA, 2300/230-V, 60-Hz, step down transformer has the following resistance and leakage-
reactance values: R=40, R2=0.040, X-120, and X=0.120. The transformer is operating at 75%
of its rated load. If the power factor of the load is 0.866 leading.
Determine the efficiency of the transformer.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7540c4f1-3059-4df3-ac55-48d69e9c8c22%2Fb3ca28f9-1e33-4c8e-b110-dba0785de700%2F6nt6ogl_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A 23-kVA, 2300/230-V, 60-Hz, step down transformer has the following resistance and leakage-
reactance values: R=40, R2=0.040, X-120, and X=0.120. The transformer is operating at 75%
of its rated load. If the power factor of the load is 0.866 leading.
Determine the efficiency of the transformer.
![9:50 1
a =10
Step2
b)
Now
Loud operetig ts°lo
of its
let, x = t5%
E. Actuel load ou Pout - XxSx CESD
trans formn
Pout
Pout
rated
load
= 0:75
:.
0*子5×23×o866
14.94 KW
ニ
New Referring tla Loud ļ Secondary
reaistances Pecinay Side
10 x o-04 - 4 r
%3D
2
ox O•12 =
- a la
10X 230 =
2300V
ニ
Step3
c)
Now the ciocuit become8,
RI](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7540c4f1-3059-4df3-ac55-48d69e9c8c22%2Fb3ca28f9-1e33-4c8e-b110-dba0785de700%2Fd375ky_processed.jpeg&w=3840&q=75)
Transcribed Image Text:9:50 1
a =10
Step2
b)
Now
Loud operetig ts°lo
of its
let, x = t5%
E. Actuel load ou Pout - XxSx CESD
trans formn
Pout
Pout
rated
load
= 0:75
:.
0*子5×23×o866
14.94 KW
ニ
New Referring tla Loud ļ Secondary
reaistances Pecinay Side
10 x o-04 - 4 r
%3D
2
ox O•12 =
- a la
10X 230 =
2300V
ニ
Step3
c)
Now the ciocuit become8,
RI
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