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

---
 695/CH3/EX3.18/Ex3_18.txt | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100755 695/CH3/EX3.18/Ex3_18.txt

(limited to '695/CH3/EX3.18/Ex3_18.txt')

diff --git a/695/CH3/EX3.18/Ex3_18.txt b/695/CH3/EX3.18/Ex3_18.txt
new file mode 100755
index 000000000..b529aa1b1
--- /dev/null
+++ b/695/CH3/EX3.18/Ex3_18.txt
@@ -0,0 +1,16 @@
+//Caption:Calculate the secondary current at which max efficiency will occur and also calculate the max efficiency at 0.8pf lagging
+//Exa:3.18
+clc;
+clear;
+close;
+a=1000/200;
+R_1=0.25;//in ohms
+R_2=0.018;//in ohms
+R_O2=R_2+R_1/a^2;
+P_i=240;//in watts
+I_2=sqrt(P_i/R_2);
+disp(I_2,'The secondary current at which max efficiency will occur (in Amperes)=');
+P_o=200*I_2*0.8;//in watts
+P_t=2*P_i;//in watts
+Eff=P_o/(P_o+P_t);
+disp(Eff*100,'Max efficiency at 0.8pf lagging(in %)=')
\ No newline at end of file
-- 
cgit