diff options
Diffstat (limited to '3760/CH4/EX4.4/Ex4_4.sce')
-rw-r--r-- | 3760/CH4/EX4.4/Ex4_4.sce | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/3760/CH4/EX4.4/Ex4_4.sce b/3760/CH4/EX4.4/Ex4_4.sce new file mode 100644 index 000000000..db8015c8a --- /dev/null +++ b/3760/CH4/EX4.4/Ex4_4.sce @@ -0,0 +1,24 @@ +clc;
+p=6; // number of poles
+c=240; // number of coils
+t=2; // number of turns per coil
+rt=0.03; // resistance of one turn
+l=0.5; // length of armature
+d=0.4; // diameter of armature
+B=0.6; // air gap flux density
+a=p; // number of parallel paths is same as number of poles foe lap winding
+an=40; // mechanical angle subtended by pole
+n=1200; // armature speed
+th=an*(p/2); // electrical angle subtended by pole
+f=(2*%pi*(d/2)*l*th*B)/(p*180); // flux per pole
+Z=2*c*t; // total conductors
+disp('case a');
+Ea=(f*Z*n*p)/(60*a);
+printf('Generated EMF at no load is %f V\n',ceil(Ea));
+disp('case b');
+ia=40; // armature current
+at=(c*t)/a; // number of armature turns per path
+r=at*rt; // resistance of one path
+Ra=r/a; // resistance of armature circuit
+vt=Ea-ia*Ra;
+printf('Terminal voltage at full load is %f V\n',ceil(vt));
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