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

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 3872/CH3/EX3.2/Ex3_2.sce |  36 ++++++++++++++++++++++++++++++++++++
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+//Book - Power system: Analysisi & Design 5th Edition
+//Authors - J. Duncan Glover, Mulukutla S. Sarma, and Thomas J.Overbye
+//Chapter-3 ;Example 3.2
+//Scilab Version - 6.0.0; OS - Windows
+
+clc;
+clear;
+
+Srated=20                           //rated input power in kVA
+E1rated=480                         //Rated voltage across winding 1 in Volts
+E2rated=120                         //Rated voltage across winding 2 in Volts
+F=60                                //frequency in Hertz
+Sl=15                               //Load power in kVA
+pf = 0.8                            //power factor lagging
+E2=118                              //Load voltage in Volts
+V1s=35                              //Short circuit voltage in Volts
+P1=300                              //Short circuit power in Watts
+I2=12                               //Open circuit Winding 2 current in Amps
+P2=200                              //Open circuit power in Watts
+
+I1rated=(Srated*1000)/E1rated       //Rated current for winding 1
+Req1=P1/(I1rated)^2                 //Equivalent resistance of winding 1 in Ohms
+Zeqm=abs(V1s/I1rated)               //Magnitude of equivalent impedance of winding 1 in Ohms
+Xeq1=sqrt(Zeqm^2-Req1^2)            //Equivalent reactance  of winding 1 in Ohms
+Zeq1=Req1+%i*Xeq1                   //Equivalent impedance of winding 1 in Ohms
+V1o=E1rated                         //Since winding 1 open circuit voltage is equal to winding 1 rated volgage
+Gc=P2/V1o^2
+Ymm=abs((E2rated/E1rated)*I2/V1o)
+Bm=sqrt(Ymm^2-Gc^2)
+Ym=Gc-%i*Bm                         //Shunt admittance in Siemens
+
+printf('The rated current for winding 1 is %.4f Ampere\n',I1rated);
+printf('The Equivalent resistance of winding 1 is %.4f Ohms\n',Req1);
+printf('The Equivalent reactance  of winding 1 is %.4f Ohms\n',Xeq1);
+printf('The magnitude of Equivalent impedance of winding 1 is %.4f Ohms and its angle is %.4f degree\n',abs(Zeq1),atand(imag(Zeq1),real(Zeq1)));
+printf('The magnitude of Shunt admittance is %.4f Siemens and its angle is %.4f degree \n',abs(Ym),atand(imag(Ym),real(Ym)));
-- 
cgit