0,4
Z=3
4j
Z = 5\ = atan(
4 3 )
=
0,5 p 2/2 p 3/2 p 3
0,93
I= I=
FP =
V Z
30 5\
Re(Z) |Z|
FP =
Ptotal = P 1 + P 2 + P 3 + P 4 = 530 p Qtotal = Q1 + Q2 + Q3 + Q4 = 530 3
3 5
F P = 0,6 S 2 = P 2 + Q2 p S 2 = (530)2 + (530 3)2 S 2 = (530)2 + 3.(530)2 S 2 = 4.(530)2 S = 2.(530)
FP =
p 200 3 p 80 3 p 130 3 p 120 3
P S
FP =
530 2.(530)
FP =
1 = 0,5 2
Z = R + i.X i.X = 0
X = 0
ZL = jXL ZC =
jXC
Z=
(300 + 400.i).( i.Xc) (300 + 400.i) + ( i.Xc)
Z=
(400.Xc 300.Xc.i) (300 + (400 Xc).i
300
(400
Xc).i
Z=
(400.Xc 300.Xc.i) (300 . (300 + (400 Xc).i (300
Z=
(400 (400
300.Xc2 + (400.Xc2 250000.Xc).i 250000 800.Xc + Xc2
(400.Xc2 250000.Xc).i =0 250000 800.Xc + Xc2 (400.Xc2
250000.Xc) = 0
Xc = 625 ⌦
0,625⌦ 6,25⌦ 30⌦ 40⌦ 62,5⌦
Xc).i Xc).i
sen2 + cos2 = 1 p sen = 1 cos2 sen = 0,6
Q=
7457 .0,6 0,8
Q = 5.593 ⌘=
Pmecanica Peletrica
P = S.cos
Q = S.sen
S.cos =
1
Pmecanica ⌘
= 745,7
S.0,8 = S=
7.745,7 0,7 7457 0,8 sen
• •
p
3
•
•
IN = IA + IB + IC
Y
Y