diff options
Diffstat (limited to '3760/CH7/EX7.5/Ex7_5.sce')
| -rw-r--r-- | 3760/CH7/EX7.5/Ex7_5.sce | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/3760/CH7/EX7.5/Ex7_5.sce b/3760/CH7/EX7.5/Ex7_5.sce new file mode 100644 index 000000000..e8b631ff3 --- /dev/null +++ b/3760/CH7/EX7.5/Ex7_5.sce @@ -0,0 +1,30 @@ +clc;
+disp('case a');
+s=30; // number of slots
+c=60; // number of coils
+p=4; // number of poles
+k=1; // integer added(or subtracted) to calculate back pitch to make it an odd integer
+tc=c*2; // total coil sides
+u=tc/s; // coil sides per slots
+yb1=(tc/p)+k;
+yb2=(tc/p)-k;
+disp('Back pitch is');
+disp(yb1);
+disp('or');
+disp(yb2);
+disp('for back pitch=29, top coil sides 1 and 3 in slot 1 are connected to bottom coil 30 and 32 in slot 8. Due to this arrangement split coils can be avoided. But for back pitch= 31, coil sides 34 which is in slot 9 has to be used, so split coils are needed ')
+disp('case b');
+s=20; // number of slots
+c=60; // number of coils
+p=4; // number of poles
+k=1; // integer added(or subtracted) to calculate back pitch to make it an odd integer
+tc=c*2; // total coil sides
+u=tc/s; // coil sides per slots
+yb1=(tc/p)+k;
+yb2=(tc/p)-k;
+disp('Back pitch is');
+disp(yb1);
+disp('or');
+disp(yb2);
+disp('for back pitch=29, top coil sides 1,3 and 5 are connected to bottom coil 30, 32 and 34. Due to this arrangement split coils cannot be avoided. But for back pitch= 31, coil sides 1,3 and 5 are connected to bottom coil sides 32, 34 and 36 which are in slot 6,so split coils are not needed ');
+
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