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@Wasabules
Last active December 14, 2021 07:15
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CEM
Vmag = Veff
THDfond = sqr(sum(In^2))/I1
= sqr(I^2-I1^2-I0^2)/I1
Indu :
(L + R) // Cpad
Condo :
Lpad + R + C
Res :
L + (Cpad // R // Cfuite)
Pist circ fermé :
Circuit RLC 2nd ordre
P = 3*V*I1*cos(alp)
Q = 3*v*I1*sin(alp)
S = 3*V*I
D = sqr(S^2-Q^2-P^2)
Ieff = sqr(1/T * int(i^2))
fct puissance = P/S
I retard sur V = Inductif
-> mettre condo
I deforme = harmonique
forte distor
-> filtre anti harmoni
-> filtre passif
-> filtre hybride
-- perturba couplage --
V/E = RCp/Rcp+(RCp+1)
e // C + C + R//C
-- pollutio harmo --
S = sqr(3)*U*Ieff
Relever facteur = condo
construction signal =
- utilisé signaux pair, pas toujours utile
rang 5 => quand n vaut 2
rang 3 => n vaut 1
-- del harmoni --
avec filtre LC
1-LCw^2/JCw
1-LCw^2 = 0
LC = 1/w^2
w = freq de coupure
freq reso =
1/(2pi*sqr(L*C))
micro = -6
Anabac = attention distances
Impulsion, tension =
U = Ldi/dt = (0.1*10^-6)*(1/Tm)
faraday =
e = dO/dt
Ampère = int(Hdl) = Nenlacé
H et l vecteurs
O = B*S
B = µ0*H
FEM = -dO/dt = (((-µ0*l)/(2pi)) * ln(r2/r1))*di/dt
i(t) = i0*cos(wt)
(on derive)
i triangulaire > u carré
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