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

---
 1904/CH4/EX4.11/4_11.sce | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100755 1904/CH4/EX4.11/4_11.sce

(limited to '1904/CH4/EX4.11')

diff --git a/1904/CH4/EX4.11/4_11.sce b/1904/CH4/EX4.11/4_11.sce
new file mode 100755
index 000000000..440827b63
--- /dev/null
+++ b/1904/CH4/EX4.11/4_11.sce
@@ -0,0 +1,38 @@
+//To Compare the method of service area coverage with four feeders
+//Page 221
+clc;
+clear;
+
+Ts=1; //Assumed Load on station
+K=1; //Assumption Constant
+K2=K;
+K4=K;
+D=1;//Assumption Load Density
+//Number of feeders
+N2=2;
+N4=4;
+S2=Ts/N2; //Load per feeder //Two feeders
+S4=Ts/N4; //Load per feeder //4 feeders
+l=poly(0,'l'); //Variable Value of length
+L2eff=1*l/3;
+L4eff=2*l/3;
+
+deff('x=VD(y)','x=D*(l^2)*K*y') //Function to find VD
+
+VD2=VD(L2eff);
+VD4=VD(L4eff);
+RVD=VD2/VD4;
+X=l-RVD;
+RVD=1/roots(X(2)); //To find the ratio of (l2^3)/(l4^3)
+
+Rl=nthroot(RVD,3); //Ratio of length of feeder for 2 feeders two by length of feeder for 4 feeders
+
+//A is directly proportional to l^2
+RA=(Rl^2);
+
+//TSn is directly proportional to n and l^2
+RTS=(N2/N4)*(Rl^2);
+
+printf('\na) Ratio of substation spacings = 2l2/2l4 = %g\n',Rl)
+printf('b) Ratio of areas covered per feeder main = A2/A4 = %g\n',RA)
+printf('c) Ratio of substation loads = TS2/TS4 = %g\n',RTS)
-- 
cgit