Z = 3� 4j
Z = 5\�
� = atan(�43 ) = �0,93
I =V
Z
I =30
5\�
FP =Re(Z)
|Z|
FP =3
5
FP = 0,6
200p3
80p3
130p3
120p3
0,4
0,5p2/2
p3/2
p3
P
total
= P1 + P2 + P3 + P4 = 530
Q
total
= Q1 +Q2 +Q3 +Q4 = 530p3
S
2 = P
2 +Q
2
S
2 = (530)2 + (530p3)2
S
2 = (530)2 + 3.(530)2
S
2 = 4.(530)2
S = 2.(530)
FP =P
S
FP =530
2.(530)
FP =1
2= 0,5
0,625⌦
6,25⌦
30⌦
40⌦
62,5⌦
Z = R + i.X
i.X = 0 X = 0
Z
L
= jX
L
Z
C
= �jX
C
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 + (400�Xc).i.
(300� (400�Xc).i
(300� (400�Xc).i
Z =300.Xc
2 + (400.Xc
2 � 250000.Xc).i
250000� 800.Xc+Xc
2
(400.Xc
2 � 250000.Xc).i
250000� 800.Xc+Xc
2= 0
(400.Xc
2 � 250000.Xc) = 0
Xc = 625 ⌦
⌘ =P
mecanica
P
eletrica
P = S.cos�
Q = S.sen�
S.cos� =P
mecanica
⌘
1 = 745,7
S.0,8 =7.745,7
0,7
S =7457
0,8
sen�
sen
2�+ cos
2� = 1
sen� =p1� cos
2�
sen� = 0,6
Q =7457
0,8.0,6
Q = 5.593
•
•
•
•
�
�
Y
Y
p3
I
N
= I
A
+ I
B
+ I
C
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