Download Tema 1: Circuitos Magnéticos

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Transcript
La ley de Faraday IX
I
Para determinar la energía se procede de la siguiente forma:
e=
dλ
d
di
dL
=
(Li) = L + i
dt
dt
dt
dt
dλ
di
dL
= Li + i 2
dt
dt
dt
ˆ t2
ˆ λ2
λ
1
i dλ =
4W =
dλ =
λ22 − λ21
2L
t1
λ1 L
p = ie = i
I
La energía total para un determinado valor de enlace de flujo λ
es:
1 2 1 2
W =
λ = Li
2L
2