1 files changed, 28 insertions, 0 deletions
diff --git a/671/CH11/EX11.10/11_10.sce b/671/CH11/EX11.10/11_10.sce
new file mode 100755
index 000000000..d24cd2451
--- /dev/null
+++ b/671/CH11/EX11.10/11_10.sce
@@ -0,0 +1,28 @@
+P=10000
+V=400
+pf=0.8
+Xs=16
+theta=acos(pf)
+Ia=P/sqrt(3)/V*exp(-%i*theta)
+Vt=V/sqrt(3)
+Ef=Vt+%i*Xs*Ia
+disp(norm(Ef))
+disp(atan(imag(Ef)/real(Ef))*180/%pi)
+
+Ef2=1.2*norm(Ef)
+Pe=P*pf
+delta=asin(norm(Pe/3*Xs/Ef2/Vt))
+Ef2=Ef2*exp(%i*delta)
+Ia=(Ef2-Vt)/%i/Xs       //calculation mistake in the book at this point
+disp(norm(Ia))
+pf=real(Ia)/norm(Ia)
+disp(pf)
+disp(acos(pf)*180/%pi)
+
+delta=%pi/2
+Pemax=norm(3*Ef*Vt/Xs*sin(delta))
+disp(Pemax)
+Ef=norm(Ef)*%i
+Ia=(Ef-Vt)/%i/Xs
+disp(norm(Ia))
+disp(real(Ia)/norm(Ia))