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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 /3811/CH11/EX11.7 | |
| 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 '3811/CH11/EX11.7')
| -rw-r--r-- | 3811/CH11/EX11.7/Ex11_7.jpg | bin | 0 -> 11861 bytes | |||
| -rw-r--r-- | 3811/CH11/EX11.7/Ex11_7.sce | 24 |
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diff --git a/3811/CH11/EX11.7/Ex11_7.jpg b/3811/CH11/EX11.7/Ex11_7.jpg Binary files differnew file mode 100644 index 000000000..f4197da3c --- /dev/null +++ b/3811/CH11/EX11.7/Ex11_7.jpg diff --git a/3811/CH11/EX11.7/Ex11_7.sce b/3811/CH11/EX11.7/Ex11_7.sce new file mode 100644 index 000000000..cc907d097 --- /dev/null +++ b/3811/CH11/EX11.7/Ex11_7.sce @@ -0,0 +1,24 @@ +//Book Name: Fundamentals of electrical drives by Mohamad A. El- Sharkawi
+//chapter 11
+//example 11.7
+//edition 1
+//publishing place:Thomson Learning
+clc;
+clear;
+V=480;//terminal voltage in volt
+n=1120;//related full load speed of the motor in rpm
+R1=1;//stator resistance in ohm
+R2=1;//rotor resistance referred to stator in ohm
+Radd=1;//starting resistance inserted in the rotor circuit in ohm
+X1=5;//equivalent winding resistance in ohm
+J=4;//inertia of the motor in NM sec^2
+ns=1200;//nearest synchronous speed of the motor in rpm
+rps=ns/60;
+omegas=(2*%pi*rps);
+smax=(R2+Radd)/sqrt(R1^(2)+X1^(2));
+K=1.392;
+Tmax=V^(2)/(2*omegas*(R1+sqrt(R1^(2)+X1^(2))));
+tau=(J*omegas)/Tmax;
+tst=(tau/K)*((0.25/smax)+(1.95*smax)+smax);
+mprintf("The starting time of the induction machine is %f sec",tst)
+
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