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Termostat fier calcat defect-alternativa cu triac?


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Cum spune si titlul, am o problema cu termostatul, merge pe baza de pumni...problema apare la inca 2 fiare, rezistentele fiind bune. M-am gandit la cateva variante cu un triac de 16A in schema de variator tensiune becuri. Una ar fi cu rezistente fixe, pentru cateva valori, respectiv temperaturi pentru lana, bumbac, matase, acrilice. Ar trebui totusi un prag bine stabilit. S-ar putea inseria NTC-uri cu PTC-uri formand un divizor rezistiv pentru triac, termistorii fiind bagati pe talpa, in interior? Ce dezavantaje ar fi? Pana la urma, un circuit electronic bine facut n-are moarte, mecanica insa da.

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