b B= m.sinα,e E= m.sinα,u U= m.sinα,i I= m.sinα
e E= m.sin(ω ψt+ e),u U= m.sin(ω ψt+ u),i I= m.sin(ω ψt+ i)
p n
U r =I R P ; r =U I r =R I 2;
X L =L.ω; U L =I X L; 2
Q =U I = X I
C
ω
;
;
X
R
U tg U
ψ ψ ψ= − ψ =
S U I= =Z I 2 = P2 +Q2
0
0
0
0
2 135
2 135
2 45
z a j a a
z a ja a
= > → = ∠ < → = ∠
= > → = ∠ < → = ∠ −
= − + = ∠
= − − = ∠ −
*
e
E E= ∠ψ ; *
u
U U= ∠ψ ; *
i
I = ∠I ψ
*
U
Z
= =
Z* = ∠ = +Z ψ R jX
Y Y* = ∠ − = −ψ G jB
S U I* = * * = ∠ = +S ψ P jQ
2
f
L C
π
=