From 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 Mon Sep 17 00:00:00 2001
From: prashantsinalkar
Date: Tue, 10 Oct 2017 12:27:19 +0530
Subject: initial commit / add all books

---
 3760/CH1/EX1.11/Ex1_11.sce | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 3760/CH1/EX1.11/Ex1_11.sce

(limited to '3760/CH1/EX1.11')

diff --git a/3760/CH1/EX1.11/Ex1_11.sce b/3760/CH1/EX1.11/Ex1_11.sce
new file mode 100644
index 000000000..7f7c5a7b9
--- /dev/null
+++ b/3760/CH1/EX1.11/Ex1_11.sce
@@ -0,0 +1,31 @@
+clc;
+p=10000; // rated output of transformer
+E1=2500; // primary side rated voltage
+E2=250; // secondary side rated voltage
+k=E2/E1; // turn's ratio
+// initialising results of open circuit results on l.v side
+Vo=250; //open circuit voltage
+Io=1.4; // no load current
+Po=105; // open circuit voltage
+// initialising the results of short circuit results on h.v side
+Vsc=104; // short circuit voltage
+Isc=8; // short circuit current
+Psc=320; // power dissipated
+theta=Po/(Vo*Io); // no load power factor
+Ic=Io*theta; // core less component of current
+Im=Io*sqrt(1-theta^2); // magnetising component of current
+Ro=round(Vo/Ic); // shunt branch resistance
+Xo=round(Vo/Im); // shunt branch impedance
+Zsc=Vsc/Isc; // short circuit impedance
+reh=Psc/Isc^2; // total transformer resistance
+xeh=sqrt(Zsc^2-reh^2); // total transformer leakage impedance
+// equivalent circuit referred to l.v side
+rel=reh*k^2;
+xml=xeh*k^2;
+printf('shunt branch resistance and reactance is %f ohm and %f ohm\n',Ro,Xo);
+printf('value of transformer resistance and leakage reactance referred to l.v side is %f ohm and %f ohm\n',rel,xml);
+// equivalent circuit referred to h.v side
+Rch=Ro/k^2;
+Xmh=Xo/k^2;
+printf('shunt branch resistance and reactance referred to h.v side is %f ohm and %f ohm\n',Rch,Xmh);
+printf('value of transformer resistance and leakage reactance referred to h.v side is %f ohm and %f ohm\n',reh,xeh); 
-- 
cgit