From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001
From: priyanka
Date: Wed, 24 Jun 2015 15:03:17 +0530
Subject: initial commit / add all books

---
 380/CH4/EX4.4/4_4.txt   | 24 ++++++++++++++++++++++++
 380/CH4/EX4.4/4_4_R.txt |  3 +++
 380/CH4/EX4.4/Ex4_4.sce | 24 ++++++++++++++++++++++++
 3 files changed, 51 insertions(+)
 create mode 100755 380/CH4/EX4.4/4_4.txt
 create mode 100755 380/CH4/EX4.4/4_4_R.txt
 create mode 100755 380/CH4/EX4.4/Ex4_4.sce

(limited to '380/CH4/EX4.4')

diff --git a/380/CH4/EX4.4/4_4.txt b/380/CH4/EX4.4/4_4.txt
new file mode 100755
index 000000000..3d56f5249
--- /dev/null
+++ b/380/CH4/EX4.4/4_4.txt
@@ -0,0 +1,24 @@
+//Caption:Find the efficiency 
+//Exa:4.4
+clc;
+clear;
+close;
+//From Exa:4.3
+V_2=230;//in Volts
+Z_1=4+%i*12;
+I_s=75*(cosd(30)+%i*sind(30));//in Amperes
+a=10;//transformation ratio
+E_1=2282.87*(cosd(2.33)+%i*sind(2.33));//in Volts
+E_2=228.287*(cosd(2.33)+%i*sind(2.33));//in Volts
+I_p=7.5*(cosd(30)+%i*sind(30));//in Amperes
+P_o=14938.94;//in Watts
+R_c1=20000;//core loss resistance on primary side
+X_m1=15000;//magnetizing reactance on primary side
+I_c=E_1/R_c1;//in Amperes
+I_m=E_1/(%i*X_m1);//in Amperes
+I_phy=I_c+I_m;//in Amperes
+I_1=I_p+I_phy;//in Amperes
+V_1=E_1+Z_1*I_1;//in Volts
+P_in=real(V_1*conj(I_1));//in Watts
+Eff=P_o/P_in;
+disp(Eff*100,'Efficiency (%)=')
\ No newline at end of file
diff --git a/380/CH4/EX4.4/4_4_R.txt b/380/CH4/EX4.4/4_4_R.txt
new file mode 100755
index 000000000..6abe746dd
--- /dev/null
+++ b/380/CH4/EX4.4/4_4_R.txt
@@ -0,0 +1,3 @@
+ Efficiency (%)=   
+ 
+    95.450395
\ No newline at end of file
diff --git a/380/CH4/EX4.4/Ex4_4.sce b/380/CH4/EX4.4/Ex4_4.sce
new file mode 100755
index 000000000..3d56f5249
--- /dev/null
+++ b/380/CH4/EX4.4/Ex4_4.sce
@@ -0,0 +1,24 @@
+//Caption:Find the efficiency 
+//Exa:4.4
+clc;
+clear;
+close;
+//From Exa:4.3
+V_2=230;//in Volts
+Z_1=4+%i*12;
+I_s=75*(cosd(30)+%i*sind(30));//in Amperes
+a=10;//transformation ratio
+E_1=2282.87*(cosd(2.33)+%i*sind(2.33));//in Volts
+E_2=228.287*(cosd(2.33)+%i*sind(2.33));//in Volts
+I_p=7.5*(cosd(30)+%i*sind(30));//in Amperes
+P_o=14938.94;//in Watts
+R_c1=20000;//core loss resistance on primary side
+X_m1=15000;//magnetizing reactance on primary side
+I_c=E_1/R_c1;//in Amperes
+I_m=E_1/(%i*X_m1);//in Amperes
+I_phy=I_c+I_m;//in Amperes
+I_1=I_p+I_phy;//in Amperes
+V_1=E_1+Z_1*I_1;//in Volts
+P_in=real(V_1*conj(I_1));//in Watts
+Eff=P_o/P_in;
+disp(Eff*100,'Efficiency (%)=')
\ No newline at end of file
-- 
cgit