From 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 Mon Sep 17 00:00:00 2001
From: prashantsinalkar
Date: Tue, 10 Oct 2017 12:27:19 +0530
Subject: initial commit / add all books

---
 1418/CH26/EX26.14/EX26_14.sce | 54 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 1418/CH26/EX26.14/EX26_14.sce

(limited to '1418/CH26/EX26.14/EX26_14.sce')

diff --git a/1418/CH26/EX26.14/EX26_14.sce b/1418/CH26/EX26.14/EX26_14.sce
new file mode 100644
index 000000000..6610d9966
--- /dev/null
+++ b/1418/CH26/EX26.14/EX26_14.sce
@@ -0,0 +1,54 @@
+//EXAMPLE 26_14
+//COMPOUND GENERATOR
+
+clc;
+funcprot(0);
+
+//Variable Initialisation
+V=120;.............//Terminal voltage in Volts
+Rsh=25;............//Resistance of shunt field in Ohms
+Ra=0.06;...........//Resistance of armature in Ohms
+Rse=0.04;.........//Resistance of series field in Ohms
+I=100;.............//Load current in Amperes
+Rd=0.1;.............//Diverter resistance in Ohms
+
+//Induced EMF when the machine is connected as long shunt
+Ish=V/Rsh;..........//Current through shunt field in Amperes
+Ia=I+Ish;...........//Armature current in Amperes
+disp(Ia,"Armature current in Amperes if the machine is connected as long shunt:");
+Vse=Ia*Rse;.........//Voltage drop in series winding in Volts
+y=round(Vse*100)/100;......//Rounding of decimal places
+Va=Ia*Ra;...........//Armature voltage drop in Volts
+y1=round(Va*100)/100;.......//Rounding of decimal places
+E=V+Va+Vse;.............//Induced EMF in Volts
+y2=round(E*10)/10;.......//Rounding of decimal places
+disp(y2,"Induced EMF in Volts if the machine is connected as long shunt:");
+
+//Induced EMF when the machine is connected as short shunt
+Vse=I*Rse;.........//Voltage drop in series winding in Volts
+Vsh=V+Vse;...........//Armature voltage drop in Volts
+Ish=Vsh/Rsh;..........//Current through shunt field in Amperes
+y3=round(Ish);
+Ia1=I+Ish;.............//Armature current in Amperes
+y3=round(Ia1);..........//Rounding of decimal places
+disp(y3,"Armature current in Amperes if the machine is connected as short shunt:");
+Va=y3*Ra;..............//Armature voltage drop in Volts
+E1=V+Va+Vse;...........//Induced EMF in Volts
+disp(E1,"Induced EMF in Volts if the machine is connected as short shunt:");
+
+//Diverted connected in parallel with the series winding
+Ised=Ia*Rd/(Rd+Rse);....................//Current through series windin when diverter is connected in parallel in Amperes
+y4=round(Ised*100)/100;...................//Rounding of decimal places
+
+if y4<Ia then printf("Series field current has decreased from %0.2f A to %0.2f A",Ia,y4);
+    printf("\nChange in series field ampere-turns would be the same as the change in the field current");
+else
+    printf("Series field current has increased from %0.2f A to %0.2f A",Ia,y4);
+    printf("\nChange in series field ampere-turns would be the same as the change in the field current");
+end
+
+x=(y4-Ia)*100/Ia;.....................//Percentage decrease in series field ampere-turns
+y5=round(x*10)/10;....................//Rounding of decimal places
+printf("\nPercentage decrease in series field ampere-turns: %0.2f ",y5);
+
+
-- 
cgit