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Avditorne vaje - LES

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16.4.2012Na grafu odčitamo vzbujalnitok, ki je na novi karakteristikipotreben za induciranonapetost 135 V.Vidimo, da potrebujemo2,44iA vzbujalnega toka.Vzbujalna veja mora imetitakšno upornost, da bo pri135 V, znašal vzbujalni tok2,44 A.Iv( Rvc+ Rx) = U0U0RvcRx=IvKolektorski stroj+ 169Vrednost upora R x znaša:RU135Kolektorski stroj0x= − Rvc= − 45 = 10, 3Iv2,44Ω17057

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