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Motorul universal - schimbare alimentare

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Salutare.Tocmai am facut la facultate motorul universal, iar profesorul ne-a spus ca acest tip de motor, functioneaza mai bine in curent continuu, decat in curent alternativ, dar ca sa reduca costurile si ca sa-i scurteze durata de viata a aparatului, producatorii il alimenteaza in curent alternativ.Prin alimentarea in curent alternativ, periile se distrug mai repede si apar si acele scantei. Iar daca se schimba alimentarea cu ajutorul unei punti, toti parametrii (turatie, cuplu, randament) se vor imbunatati.Si eu cum sunt Toma Necredinciosul, inainte sa ma apuc sa desfac bormasina si aspiratorul din dotare, as vrea sa aflu si alte pareri, pentru ca pe internet nu am gasit nimic.Ati facut pana acum asa ceva?

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