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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 /503/CH9/EX9.19/ch9_19.sci | |
| 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 '503/CH9/EX9.19/ch9_19.sci')
| -rwxr-xr-x | 503/CH9/EX9.19/ch9_19.sci | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/503/CH9/EX9.19/ch9_19.sci b/503/CH9/EX9.19/ch9_19.sci new file mode 100755 index 000000000..14b1a1337 --- /dev/null +++ b/503/CH9/EX9.19/ch9_19.sci @@ -0,0 +1,14 @@ +//to compute acc time and value of rotor resistance
+
+clc;
+s=1-.96; //load is brought to .96 of n_s
+s_max_T=sqrt((1-s^2)/(2*log(1/s)));
+R=1.5;
+R2_opt=R*s_max_T;disp(R2_opt,'rotor resistance(ohm)');
+n=1000;
+w_s=2*%pi*n/60;
+V=415;
+Tmax=(3/w_s)*(.5*(V/sqrt(3))^2)/R;
+J=11;
+t_A=(J*w_s/(2*Tmax))*((1-s^2)/(2*s_max_T)+s_max_T*log(1/s));
+disp(t_A,'acc time(min)');
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