Contacteur électrique

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Bonjour,







Re: Contacteur électrique

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Bonjour




marche de l'auto maintien.


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lucifer2

Re: Contacteur électriq ue
On Wed, 01 Jul 20 15:20:54 +0000, Julien Arlandis

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il faut que le poussoir alimente directement la bobine d'un relais


me semble manquer la notion de sens de rotation dans les


fu2 fr.sci.electrotechnique
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Re: Contacteur électrique

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https://www.cjoint.com/c/JGbxby33deJ


cet exemple montage triangle.



contact auxiliaire "AM" se ferme et prend le relais du bouton poussoir "ON".







c'est pour cette raison qu'il se trouve en bout de chaine de commande.








je pense que le mieux serait de nous en dire un peu plus sur votre  


Re: Contacteur électrique



s'ouvre et stoppe le moteur, mais si on le force avec FFC il va passer  




Dans ce montage, Le contact FFC se fait par un commutateur qui coupe  

avec un simple inverseur, Le soucis c'est que la constante de temps du  

l'inverseur qui fait que AM n'aurait pas le temps de se s'ouvrir et  

rotatif trois position . Position "basse" marche normale, position  




Cordialement
Data

Re: Contacteur électrique


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Merci pour vos explications. Et si je mettais tout simplement un  
temporisateur auxiliaire sur le contacteur ?

Re: Contacteur électrique



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 course est  

Cette question et ce moteur ont-ils un sens, car si fin de course fin de  


 une  
inversion de deux phases du moteur.


Re: Contacteur électrique

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absolument, c'est bien pour cette raison que je demandais si son projet  


Data

Re: Contacteur électrique


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Re: Contacteur électrique



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passons. Il faut que l'on soit d'accord, le terme "fin de course"  

de cycle "OFF"




position initiale.


Mais juste pour comprendre, dans quelle condition le fin de course est  


il faudrait connaitre point par point quelles sont les conditions de  



Re: Contacteur électrique




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un fin de course ?



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Oui.






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Re: Contacteur électrique





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Il suffit de mettre votre contact NC dans la boucle de l'auto-maintien,
non ?

Re: Contacteur électrique






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Oui effectivement, mais dans ce cas il va falloir maintenir la pression  




Re: Contacteur électrique







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Une temporisation TP sur le bouton poussoir "marche" mais est-ce




Re: Contacteur électrique








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bouton poussoir?





Oui sans doute, je suis trop perfectionniste :)


Re: Contacteur électrique


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suis pas assez clair.



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Re: Contacteur électrique





Il faudrait un frein, ou un moteur-frein.

suivi sur fr.sci.electrotechnique

--  
siger

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Re: Contacteur électrique

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commande du moteur et du maintient des freins de tambour, ce qui va  











plafond de la fosse. J'ai mis contact entre crochet car maintenant ce  



De Course".














dizaine de cm, je voyais bien le bouton d'alarme mais je n'arrivais pas  




parking --> pompier --> extraction --> courbatures --> Pris une bonne  









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Ok !



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Ok !

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J'ai bien compris le fonctionnement, mais je ne vois pas ce que  



fonctionnement que vous voulez corriger ?

Re: Contacteur électrique


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