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 --- 2672/CH3/EX3.25/Ex3_25.sce | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100755 2672/CH3/EX3.25/Ex3_25.sce (limited to '2672/CH3/EX3.25') diff --git a/2672/CH3/EX3.25/Ex3_25.sce b/2672/CH3/EX3.25/Ex3_25.sce new file mode 100755 index 000000000..ca1738c58 --- /dev/null +++ b/2672/CH3/EX3.25/Ex3_25.sce @@ -0,0 +1,35 @@ +//Example 3_25 +clc; +clear; +close; +format('v',6); +//given data : +R1=12;//ohm +L=50;//mH +R2=50;//ohm +C=50;//micro F +V=200*expm(%i*30*%pi/180);//V +f=50;//Hz +XL=2*%pi*f*L/1000;//ohm +XC=1/2/%pi/f/(C*10^-6);//ohm +Z1=R1+%i*XL;//ohm +Z2=R2+%i*XC;//ohm +I1=V/Z1;//A +I2=V/Z2;//A +I=I1+I2;//A +Imag=abs(I);//A +Iang=atand(imag(I)/real(I));//degree +disp(Iang,Imag,"Total current drawn, magnitude(A) & Angle(degree) are"); +pf=cosd(Iang);//Power Factor(lagging) +fi=acosd(pf);//degree +disp(pf,"Power Factor(lagging)"); +P=abs(V)*Imag*pf;//W +P=P/1000;//kW +disp(P,"Power Consumed(kW)"); +S=abs(V)*Imag*sind(fi);//VARs +S=S/1000;//kVARs +disp(S,"Reactive Power (kVARs)"); +Pa=abs(V)*Imag/1000;//kVA +disp(Pa,"Apparent Power(kVA)"); +//Answer is not accurate in the book. + -- cgit