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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /1529/CH21/EX21.20 | |
| download | Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.gz Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.bz2 Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.zip | |
initial commit / add all books
Diffstat (limited to '1529/CH21/EX21.20')
| -rwxr-xr-x | 1529/CH21/EX21.20/21_20.sce | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/1529/CH21/EX21.20/21_20.sce b/1529/CH21/EX21.20/21_20.sce new file mode 100755 index 000000000..f8f27ea68 --- /dev/null +++ b/1529/CH21/EX21.20/21_20.sce @@ -0,0 +1,14 @@ +//Chapter 21, Problem 20
+clc
+c=4e3 //coper loss
+p=500e3 //transformer rating
+r=2.5e3 //iron loss
+pf=0.75 //power factor
+x=sqrt(r/c)
+eff=x*p
+los=2*r
+po=eff*pf
+pi=po-los
+n=(1-(los/pi))*100
+printf("(a) The Output KVA at maximum efficiency = %.2f kVA\n\n",eff/1000)
+printf("(b) Maximum efficiency = %.2f percent",n)
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