diff options
Diffstat (limited to '1418/CH27/EX27.11/EX27_11.sce')
-rw-r--r-- | 1418/CH27/EX27.11/EX27_11.sce | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/1418/CH27/EX27.11/EX27_11.sce b/1418/CH27/EX27.11/EX27_11.sce new file mode 100644 index 000000000..4ba465ba6 --- /dev/null +++ b/1418/CH27/EX27.11/EX27_11.sce @@ -0,0 +1,19 @@ +//EXAMPLE 27.11
+//DC MACHINE
+
+clc;
+funcprot(0);
+
+//Variable Initialisation
+Cs=55;.........//Total number of commutator segments
+rpm=900;........//Total number of revolutions per minute
+Wb=1.74;.........//Brush width in commutator segments
+L=153*10^-6;..........//Coefficient of self-induction in Henry
+I=27;.............//Current per coil in Amperes
+
+v=Cs*(rpm/60);.......//Peripheral velocity in segments/sec
+Tc=Wb/v;...........//ime for each commutation in seconds
+r1=round(Tc*100000)/100000;.......//Rounding of decimal places
+E=L*2*I/r1;..........//Reactance voltage in Volts
+r=round(E*1000)/1000;.....//Rounding of decimal places
+disp(r,"Reactance voltage in Volts:");
|