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

---
 2078/CH5/EX5.8/Example5_8.sce | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100755 2078/CH5/EX5.8/Example5_8.sce

(limited to '2078/CH5/EX5.8')

diff --git a/2078/CH5/EX5.8/Example5_8.sce b/2078/CH5/EX5.8/Example5_8.sce
new file mode 100755
index 000000000..f36b431c7
--- /dev/null
+++ b/2078/CH5/EX5.8/Example5_8.sce
@@ -0,0 +1,30 @@
+//Exa 5.8
+clc;
+clear;
+close;
+//Given data :
+l=80;//km
+P=15;//MW
+VR=66*10^3;//Volt
+R=l*0.3125;//ohm
+X=l*1;//ohm
+Y=l*17.5*10^-6;//S
+pf=0.8;//power factor
+cos_fi_r=pf;
+sin_fi_r=sqrt(1-cos_fi_r^2);
+IR=P*10^6/(VR*pf);//A
+IR=IR*(cos_fi_r-%i*sin_fi_r);//A
+IC=%i*Y*VR;//A
+IS=IR+IC;//A
+disp("Sending end current(A), magnitude is "+string(abs(IS))+" and angle in degree is "+string(atand(imag(IS),real(IS))));
+VS=VR+IS*(R+%i*X);//volt
+disp("Sending end voltage(V), magnitude is "+string(abs(VS))+" and angle in degree is "+string(atand(imag(VS),real(VS))));
+fi_s=atand(imag(VS),real(VS))-atand(imag(IS),real(IS));//
+cos_fis=cosd(fi_s);//sending end pf
+disp(cos_fis,"Sending end power factor(lag) : ");
+Reg=(abs(VS)-VR)/VR*100;//%
+disp(Reg,"Regulation(%) :  ");
+LineLoss=abs(IS)^2*R/1000;//kW
+disp(LineLoss,"Line Losses in kW : ");
+Eta_T=P*1000/(P*1000+LineLoss)*100;//%
+disp(Eta_T,"Transmission Efficiency(%) : ");
-- 
cgit