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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/CH5/EX5.13/ch5_13.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/CH5/EX5.13/ch5_13.sci')
| -rwxr-xr-x | 503/CH5/EX5.13/ch5_13.sci | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/503/CH5/EX5.13/ch5_13.sci b/503/CH5/EX5.13/ch5_13.sci new file mode 100755 index 000000000..77fea79d9 --- /dev/null +++ b/503/CH5/EX5.13/ch5_13.sci @@ -0,0 +1,36 @@ +//To calculate resultant AT/pole and peak air gap flux density, rotor AT/pole, stator AT and its angle with the resultant AT, stator currrent
+
+clc;
+ph=3;
+S=36;
+c=8*2;
+p=4;
+f=50;
+N_ph=S*c/(ph*2); //turns/phase
+ga=180*p/S;
+m=S/(p*ph); //slots/pole/phase
+K_b=sind(m*ga/2)/(m*sind(ga/2)); //breadth factor
+V_L=400;
+V_ph=V_L/sqrt(3);
+phi_r=V_ph/(4.44*K_b*f*N_ph);
+disp(phi_r,'phi_r(Wb/pole)');
+D=.16;
+l=0.12;
+PA=%pi*l*D/4; //pole area
+B_rav=phi_r/PA;
+B_rpeak=(%pi/2)*B_rav;
+g=2*10^-3;
+u_o=4*%pi*10^-7;
+F_r=g*B_rpeak/u_o;
+disp(F_r,'F_r(AT/pole)');
+T=60; //torque(Nm)
+d=26;
+F2=T/((%pi/2)*(p/2)^2*phi_r*sind(d));
+disp(F2,'F2(AT/pole)');
+F1=sqrt(F2^2+F_r^2-2*F2*F_r*sind(d));
+disp(F1,'F1(AT/pole)');
+w=acosd((F1^2+F_r^2-F2^2)/(2*F1*F_r));
+disp(w,'angle(deg)');
+K_w=K_b;
+I_a=F1/((3/2)*(4*sqrt(2)/%pi)*K_w*(N_ph/p));
+disp(I_a,'I_a(A)');
\ No newline at end of file |