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

---
 2273/CH2/EX2.1/ex2_1.sce | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100755 2273/CH2/EX2.1/ex2_1.sce

(limited to '2273/CH2/EX2.1/ex2_1.sce')

diff --git a/2273/CH2/EX2.1/ex2_1.sce b/2273/CH2/EX2.1/ex2_1.sce
new file mode 100755
index 000000000..a9f1513a2
--- /dev/null
+++ b/2273/CH2/EX2.1/ex2_1.sce
@@ -0,0 +1,17 @@
+//Calculate the most economical cross sectional area
+clear;
+clc;
+//soltion
+//given
+id=0.15;//interest & depreciation charges
+i=260;//ampere//max current
+d=0.173;//ohm//resistance of conductor
+cst=.03;//rs// cost of energy per unit
+t=(365*24)/2;//time of energy loss
+printf("Annual cost of 2 core feeder cable is Rs(90a+10)per meter\n");
+P3=(2*i^2*d*t*cst)/1000//kWh//annual cost of energy loss
+printf("Energy loss per annum= P3/a= %f/a \n",P3);
+P2=90*1000*id;//energy lost per annum
+printf("Capital cost= P2*a= %d*a \n", P2);
+a=sqrt(P3/P2);
+printf("Economic cross section of conductor is= √(P3/P2)= %f square cm",a);
-- 
cgit