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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3813/CH4/EX4.3/Ex4_3.sce | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
| download | Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.gz Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.bz2 Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.zip | |
initial commit / add all books
Diffstat (limited to '3813/CH4/EX4.3/Ex4_3.sce')
| -rw-r--r-- | 3813/CH4/EX4.3/Ex4_3.sce | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/3813/CH4/EX4.3/Ex4_3.sce b/3813/CH4/EX4.3/Ex4_3.sce new file mode 100644 index 000000000..7a75d8ab1 --- /dev/null +++ b/3813/CH4/EX4.3/Ex4_3.sce @@ -0,0 +1,33 @@ +//Electric Drives:concepts and applications by V.subrahmanyam
+//Publisher:Tata McGraw-Hill
+//Edition:Second
+//Ex4_3
+clc;
+clear;
+P=10000;
+V=240;// voltage in V
+N=1000;//Speed in rpm
+Eff1=0.87;//Efficiency in %
+Vs=250;// voltage in V
+f=50;//frequency in Hz
+Alpha=0.5;//angle
+R=0.40;// Resistance in ohm
+Fdf=1;//fundamental displacement factor
+df=0.9;//distortion factor
+pf=0.9;//the power factor
+Pi=P/Eff1;
+I=Pi/V;
+Eb=V-(I*R);
+Vi=0.9*Vs;
+Eb1=Vi-(I*R);
+N1=(Eb1/Eb)*N;
+Pi1=V*I*pf*(10)^(-3);
+Pi2=(Pi1*N1)/N;
+Vc=0.9*Vs*Alpha;
+Eb2=Vc-(I*R);
+N2=(N*Eb2)/Eb;
+P0=((Pi1*N2)/N)*1000;
+Pi0=Vc*I;
+Eff=(P0/Pi0)*100;
+disp(Eff,"Efficiency in % is:")
+//Result vary due to roundoff error
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