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

---
 503/CH8/EX8.33/ch8_33.sci | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100755 503/CH8/EX8.33/ch8_33.sci

(limited to '503/CH8/EX8.33')

diff --git a/503/CH8/EX8.33/ch8_33.sci b/503/CH8/EX8.33/ch8_33.sci
new file mode 100755
index 000000000..049712cf7
--- /dev/null
+++ b/503/CH8/EX8.33/ch8_33.sci
@@ -0,0 +1,20 @@
+//to calculate sync current, power and torque
+
+clc;
+j=sqrt(-1);
+P=12000;
+V=400;
+pf=.8;
+Ia=P/(sqrt(3)*V*pf);
+phi=acosd(pf);
+Vt=V/sqrt(3);
+Xs=2.5;
+Ef=Vt-j*Ia*complex(cosd(phi),sind(phi))*Xs;
+tandl=4;
+Es=2*abs(Ef)*sind(tandl/2);
+Is=Es/Xs;disp(Is,'sync current(A)');
+dl=atand(imag(Ef)/real(Ef));
+Ps=3*Vt*Is*cosd(dl+tandl/2);disp(Ps,'power(W)');
+n_s=25*%pi;
+T_s=Ps/n_s;
+disp(T_s,'torque(Nm)');
\ No newline at end of file
-- 
cgit