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Diffstat (limited to '1418/CH27/EX27.3.a')
| -rw-r--r-- | 1418/CH27/EX27.3.a/EX27_3a.jpg | bin | 0 -> 90224 bytes | |||
| -rw-r--r-- | 1418/CH27/EX27.3.a/EX27_3a.sce | 21 |
2 files changed, 21 insertions, 0 deletions
diff --git a/1418/CH27/EX27.3.a/EX27_3a.jpg b/1418/CH27/EX27.3.a/EX27_3a.jpg Binary files differnew file mode 100644 index 000000000..2016f22e0 --- /dev/null +++ b/1418/CH27/EX27.3.a/EX27_3a.jpg diff --git a/1418/CH27/EX27.3.a/EX27_3a.sce b/1418/CH27/EX27.3.a/EX27_3a.sce new file mode 100644 index 000000000..2c0d991a9 --- /dev/null +++ b/1418/CH27/EX27.3.a/EX27_3a.sce @@ -0,0 +1,21 @@ +//EXAMPLE 27.3(a)
+//4-POLE MOTOR
+
+clc;
+funcprot(0);
+
+//Variable Initialisation
+P=4;...........//Total number of poles
+Z=880;.........//Total number of conductors
+Ia=120;.......//Armature current in Amperes
+b=3;..........//Brush lead in degrees
+Aw=2;.......//Number of parallel paths for a wave wound generator
+fdw=1100;......//Demagnetizing the field winding has 1100 turns per pole
+
+I=Ia/Aw;......//Current per path in Amperes
+ATd=Z*I*b/360;.......//Demagnetizing ampere-turns per pole
+ATe=Z*I*((1/(2*P))-(b/360));.....//Cross-magnetizinfampere-turns per pole
+disp(ATd,"(a).Demagnetizing ampere-turns per pole:");
+disp(ATe,"(b).Cross-magnetizinfampere-turns per pole:");
+Afc=ATd/fdw;........//Additional field current in Amperes
+disp(Afc,"(c).Additional field current in Amperes:");
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