3 files changed, 58 insertions, 0 deletions
diff --git a/695/CH2/EX2.30/Ex2_30.sce b/695/CH2/EX2.30/Ex2_30.sce
new file mode 100755
index 000000000..23d36b4f7
--- /dev/null
+++ b/695/CH2/EX2.30/Ex2_30.sce
@@ -0,0 +1,23 @@
+//Caption:Determine the (a)speed at full load (b)speed at double full load (c)stalling torque in terms of full load torque
+//Exa:2.30
+clc;
+clear;
+close;
+V=250;//in volts
+R_a=0.2;//in ohms
+N_1=800;//in rpm
+R_f=250;//in ohms
+I_f=V/R_f;//in amperes
+I=41;//in ampers
+I_a1=I-I_f;//in amperes
+E_1=V-(I_a1*R_a);//in volts
+E_2=V-(I_a1*(R_a+2));//in volts
+N_2=E_2*N_1/E_1;
+disp(N_2,'(a) Speed at full load (in rpm)=');
+I_a2=I_a1*2;//in amperes
+E_3=V-I_a2*(R_a+2);//in volts
+N_3=E_3*N_1/E_1;//in rpm
+disp(N_3,'(b) Speed at double full load (in rpm)=');
+I_ao=V/(R_a+2);
+r=I_ao/I_a1;
+disp(r,'(c) stalling torque is (times full load torque) =')
+\ No newline at end of file
diff --git a/695/CH2/EX2.30/Ex2_30.txt b/695/CH2/EX2.30/Ex2_30.txt
new file mode 100755
index 000000000..23d36b4f7
--- /dev/null
+++ b/695/CH2/EX2.30/Ex2_30.txt
@@ -0,0 +1,23 @@
+//Caption:Determine the (a)speed at full load (b)speed at double full load (c)stalling torque in terms of full load torque
+//Exa:2.30
+clc;
+clear;
+close;
+V=250;//in volts
+R_a=0.2;//in ohms
+N_1=800;//in rpm
+R_f=250;//in ohms
+I_f=V/R_f;//in amperes
+I=41;//in ampers
+I_a1=I-I_f;//in amperes
+E_1=V-(I_a1*R_a);//in volts
+E_2=V-(I_a1*(R_a+2));//in volts
+N_2=E_2*N_1/E_1;
+disp(N_2,'(a) Speed at full load (in rpm)=');
+I_a2=I_a1*2;//in amperes
+E_3=V-I_a2*(R_a+2);//in volts
+N_3=E_3*N_1/E_1;//in rpm
+disp(N_3,'(b) Speed at double full load (in rpm)=');
+I_ao=V/(R_a+2);
+r=I_ao/I_a1;
+disp(r,'(c) stalling torque is (times full load torque) =')
+\ No newline at end of file
diff --git a/695/CH2/EX2.30/R2_30.txt b/695/CH2/EX2.30/R2_30.txt
new file mode 100755
index 000000000..5cb5c9335
--- /dev/null
+++ b/695/CH2/EX2.30/R2_30.txt
@@ -0,0 +1,12 @@
+ (a) Speed at full load (in rpm)=   
+ 
+    535.53719  
+ 
+ (b) Speed at double full load (in rpm)=   
+ 
+    244.6281  
+ 
+ (c) stalling torque is (times full load torque) =   
+ 
+    2.8409091  
+ 
+\ No newline at end of file