blob: 5815c81b9b9f1f8e30fc34006dae6559b7562e4e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
Xspu=0.8
P=1000000
V=3000
Xs=Xspu*V*V/P
Vt=V/sqrt(3)
Pm=750000
Pe=Pm
pf=0.85
theta=acos(pf)
Ia=Pm/0.8/sqrt(3)/V*exp(-%i*theta)
Ef=Vt-%i*Xs*Ia
Efline=sqrt(3)*norm(Ef)
disp(Efline)
delta=%pi/2
Pmax=3*Vt*norm(Ef)/Xs
disp(Pmax)
ns=120*50/12
ws=ns*2*%pi/60
Tmax=Pmax/ws //////calculation mistake in the book at this point
disp(Tmax)
delta=90
Efmin=Pm/3*Xs/Vt
Efmin_line=sqrt(3)*Efmin
disp(Efmin_line)
Ia=(Vt+%i*Efmin)/%i/Xs
disp(norm(Ia))
pf=real(Ia)/norm(Ia)
disp(pf)
|
