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-rw-r--r--1445/CH8/EX8.15/Ex8_15.sce10
1 files changed, 5 insertions, 5 deletions
diff --git a/1445/CH8/EX8.15/Ex8_15.sce b/1445/CH8/EX8.15/Ex8_15.sce
index f14132a94..e85f70db9 100644
--- a/1445/CH8/EX8.15/Ex8_15.sce
+++ b/1445/CH8/EX8.15/Ex8_15.sce
@@ -1,25 +1,25 @@
//CHAPTER 8- DIRECT CURRENT MACHINES
//Example 15
+clc;
disp("CHAPTER 8");
disp("EXAMPLE 15");
-//230 V DC shunt motor
//VARIABLE INITIALIZATION
v_t=230; //in Volts
I_a1=3.33; //in Amperes
N1=1000; //in rpm
r_a=0.3; //armature resistance in Ohms
r_f=160; //field resistance in Ohms
-I_l=40; //line current in Amperes
+I_l=40; //in Amperes
phi1=1; //in Wb (phi=1 is an assumption)
-phi2=(1-(4/100)); //in Wb (phi2=0.96 of phi1), as armature reaction reduces no load flux by 4%
+phi2=(1-(4/100)); //in Wb (phi2=0.96 of phi1)
//SOLUTION
//At no load
-E_a1=v_t-(I_a1*r_a); //counter emf
-I_f=v_t/r_f; //field current
+E_a1=v_t-(I_a1*r_a);
+I_f=v_t/r_f;
//At full load
I_a2=I_l-I_f;