From 8ac15bc5efafa2afc053c293152605b0e6ae60ff Mon Sep 17 00:00:00 2001 From: Siddharth Agarwal Date: Tue, 3 Sep 2019 18:27:40 +0530 Subject: Xcos examples from textbooks and for blocks --- Working_Examples/293/CH19/EX19.1/eg19_1.sce | 30 +++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100755 Working_Examples/293/CH19/EX19.1/eg19_1.sce (limited to 'Working_Examples/293/CH19') diff --git a/Working_Examples/293/CH19/EX19.1/eg19_1.sce b/Working_Examples/293/CH19/EX19.1/eg19_1.sce new file mode 100755 index 0000000..a1f4f18 --- /dev/null +++ b/Working_Examples/293/CH19/EX19.1/eg19_1.sce @@ -0,0 +1,30 @@ +//a +efficiency = 0.9; +Pi = 200*746/efficiency; //input power +x = 11; //reactance of the motor +V1 = 2300/sqrt(3); //voltage rating +delta = 15*%pi/180; //power angle +Ef = Pi*x/(3*V1*sin(delta)); //the induced excitation voltage per phase +disp("a") +disp(Ef,"the induced excitation voltage per phase = ") + +//b +z = complex(0,x); //impedance of the motor +ef = complex(Ef*cos(-delta),Ef*sin(-delta)); + +Ia = (V1 - ef)/z ; //armature current +disp("b") +disp(Ia,"armatur current = ") + +//c +theata = atan(imag(Ia)/real(Ia)); //phase difference between Ia and V1 +pf = cos(theata); //power factor + +disp("c") +disp(pf,"power factor = ") + +if sin(theata)> 0 then + disp("leading") +else + disp("lagging") +end \ No newline at end of file -- cgit