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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/EX9.1 | |
| 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/EX9.1')
| -rwxr-xr-x | 503/CH9/EX9.1/ch9_1.sci | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/503/CH9/EX9.1/ch9_1.sci b/503/CH9/EX9.1/ch9_1.sci new file mode 100755 index 000000000..ea35e96b9 --- /dev/null +++ b/503/CH9/EX9.1/ch9_1.sci @@ -0,0 +1,20 @@ +// to campute cu loss in rotoe windings, input to the motor, efficiency
+
+clc;
+f_s=120/60; //cycles/min
+f=50;
+s=f_s/f;
+n_s=1000;
+n=(1-s)*n_s;
+w=n*2*%pi/60;
+T=160;
+P=T*w;
+T_L=10;
+P_m=(T+T_L)*w;
+cu=P_m*(s/(1-s)); disp(cu,'rotor cu loss(W)');
+
+P_sl=800; //stator loss
+P_in=P_m+cu+P_sl; disp(P_in,'power i/p to motor(W)');
+
+eff=P/P_in;
+disp(eff*100,'efficiency(%)');
\ No newline at end of file |