villaconvertisseurde.py

Created by klfraimbow

Created on April 21, 2022

1.12 KB


Raierang0=valeur moyenne/composante continue f=0hz
Raierang1=Fondamental, frequence de signal resresse v 

Rangn=fharmonique(n)/fFondamental

f5=f1*5 

Umax/sqrt2 = U 
<v>=2Umax/pi 


Comme la diode, le thyristor laisse passer le courant électrique dans 
un seul sens, de l'anode (A) à la cathode (K).
Cependant, le thyristor possède une troisième électrode: 
la gâchette (G, en anglais gate). Le thyristor ne conduira que si
un courant minimum et positif est fourni à la gâchette.

bloque(desamorce)     passant(amorce)
iG=0                    
ut<0  ou ut>0         ut=0
<---------------      <---------------
    ouvert                    ferme
it=0                  it>0


Redressement commande simple alt sur cahrge resistive
<us>= Umax/2pi (1+cosa)     a:[0;pi]  a:w*to

Redressement commande double alt
<us>= 2Umax/pi *cosa

Redressement commande double alt MIXTE
<us>= Umax/pi (1+cosa)

Facteur ondulation %:  DeltaUond/<u> *100

Roue libre :tension nulle = charge roule libre, pas relie a l'alim, 
la bobine libere son energie et assure la continuite du courant

<us>= Umax/pi (1+cosa)

si a=0 <us>=Umax/pi

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