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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 /1892/CH1/EX1.45 | |
| 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 '1892/CH1/EX1.45')
| -rwxr-xr-x | 1892/CH1/EX1.45/Example1_45.sce | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/1892/CH1/EX1.45/Example1_45.sce b/1892/CH1/EX1.45/Example1_45.sce new file mode 100755 index 000000000..a7e9199a3 --- /dev/null +++ b/1892/CH1/EX1.45/Example1_45.sce @@ -0,0 +1,32 @@ +// Example 1.45
+
+clear; clc; close;
+
+format('v',4);
+// Given data
+Zi=0.6+%i*7;//in ohm
+Zo=3.5+%i*1.5;//in ohm
+Sfl=6;//in %
+
+//Calculations
+//At starting S=1
+Ro=real(Zo);//in ohm
+Ri=real(Zi);//in ohm
+Xo=imag(Zo);//in ohm
+Xi=imag(Zi);//in ohm
+Zeq1=Zi*Zo/(Zi+Zo);//equivalent impedence in ohm
+Req1=real(Zeq1);//in ohm
+//I2=V/Zeq
+//Tst=I2^2*R2;//in N-m
+
+//During full load
+S=Sfl/100;//slip
+Zi=Ri/S+%i*Xi;//in ohm
+Zo=Ro/S+%i*Xo;//in ohm
+Zeq2=Zi*Zo/(Zi+Zo);//equivalent impedence in ohm
+Req2=real(Zeq2);//in ohm
+//I2=V/Zeq
+//Tfl=I2^2*R2;//in N-m
+TstByTfl=(1/abs(Zeq1)^2)/(1/abs(Zeq2)^2)*Req1/Req2;//ratio
+disp("Starting torque is "+string(TstByTfl*100)+"% of full load torque.");
+//Answer in the book is not accurate.
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