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-rwxr-xr-x695/CH3/EX3.28/Ex3_28.sce16
-rwxr-xr-x695/CH3/EX3.28/Ex3_28.txt16
-rwxr-xr-x695/CH3/EX3.28/R3_28.txt4
3 files changed, 36 insertions, 0 deletions
diff --git a/695/CH3/EX3.28/Ex3_28.sce b/695/CH3/EX3.28/Ex3_28.sce
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+//Caption:Find the voltage regulation
+//Exa:3.28
+clc;
+clear;
+close;
+KVA=500;
+V2=500;//in volts
+x=0.75;
+pf=1;
+Eff_max=0.97;
+P_i=(KVA*x*1000*pf-KVA*x*1000*pf*Eff_max)/(2*Eff_max);//in watts
+P_cu=P_i/x^2;
+R_equ=P_cu/(KVA*1000);
+X_equ=sqrt(0.1^2-R_equ^2);//in ohms
+VR=R_equ*0.8+X_equ*0.6;
+disp(VR*100,'Voltage Regulation (in %)=') \ No newline at end of file
diff --git a/695/CH3/EX3.28/Ex3_28.txt b/695/CH3/EX3.28/Ex3_28.txt
new file mode 100755
index 000000000..c3607ad95
--- /dev/null
+++ b/695/CH3/EX3.28/Ex3_28.txt
@@ -0,0 +1,16 @@
+//Caption:Find the voltage regulation
+//Exa:3.28
+clc;
+clear;
+close;
+KVA=500;
+V2=500;//in volts
+x=0.75;
+pf=1;
+Eff_max=0.97;
+P_i=(KVA*x*1000*pf-KVA*x*1000*pf*Eff_max)/(2*Eff_max);//in watts
+P_cu=P_i/x^2;
+R_equ=P_cu/(KVA*1000);
+X_equ=sqrt(0.1^2-R_equ^2);//in ohms
+VR=R_equ*0.8+X_equ*0.6;
+disp(VR*100,'Voltage Regulation (in %)=') \ No newline at end of file
diff --git a/695/CH3/EX3.28/R3_28.txt b/695/CH3/EX3.28/R3_28.txt
new file mode 100755
index 000000000..0da115096
--- /dev/null
+++ b/695/CH3/EX3.28/R3_28.txt
@@ -0,0 +1,4 @@
+
+ Voltage Regulation (in %)=
+
+ 7.520562 \ No newline at end of file