elec.py

Created by maxime-rigotti

Created on December 10, 2024

672 Bytes

loi d'ohm
U = VA − VB = I.R = − 'I.R 

theoreme de millman
Uab=(somme(Ek/Rk)/somme(1/Rk)

Z=3+5j 
forme polaire
sqrt(3**2+5**2)e**jatan(5/3)=5.83ej59deg
forme cartesienne

impedence RL parallele
Z=(R*jLw)/(R+jLw)
Z=(RLw)/(sqrtR**2+(Lw**2))

module Z
Z=(RLw)/(sqrtR**2+(Lw**2))

argument
atan(Lw/R)

impedence RC parallele
Z=(R*1/jCw)/(R+1/jCw)

module Z
Z=R/(sqrt1*RCw**2))

argument
atan(RCw)

impedence RLC serie

Z=R+(1/jCw)+jLw=R+j(Lw-(1/Cw))

module Z
Z=sqrt(R**2+(Lw-(1/Cw)**2))

argument
Z=atan((Lw-(1/Cw))R)

sorte synchrone
u(t)=E*cos(2PIf0t)*(E/D)xDmax*cos(2PIf1t)*cos(2PIf0t)
=(E**2*Dmax/2D)(cos(2PIf1t))+
cos(2PI(2f0-f1)*t)+cos(2PI(2f0+f1)*t)

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