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> problema electronica, alimentare corecta transformator 230v>12v

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rokos
post 17 May 2009, 17:43
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pe scurt problema este urmatoarea:
trebuie sa conectez alimentarea de 230v>12v la un transformator luat de la nemti.
are urmatorul marcaj:
N - L - simbol ground (conectat la carcasa).
ce inseamna N si L?
N are fir albastru
L are fir maro.
pe firul maro este inseriata o siguranta.

are importanta cum alimentez?
daca are, care este plusul si minusul?

multumesc!


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liviu2004
post 17 May 2009, 18:11
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Pe N legi nulul si pe L faza. Nu exista + si - la transformatoare de curent alternativ (nu ca ar exista de continuu, sunt alte solutii constructive).

La ground legi la impamantare.

TransformerSymbol.JPG

diagram01.gif

This post has been edited by liviu2004: 17 May 2009, 18:14


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