1, adadin wutar lantarki ya bambanta
Samar da wutar lantarki sau biyu gabaɗaya yana nufin akwai da'irori biyu na samar da wutar lantarki don wani nauyi.Ana haɗa wutar lantarki zuwa maɓalli daban-daban na tashar rarraba wutar lantarki ta sama.Yayin aiki na yau da kullun, ana ba da wutar lantarki ɗaya ɗaya kuma ɗayan yana cikin yanayin jiran aiki.Lokacin da wutar lantarki ta farko ta kasa, dasauyawa ta atomatikna'urar da ke gefen mai amfani za ta canza wutar lantarki don tabbatar da samar da wutar lantarki marar katsewa na kaya.
Sau biyu ikowadata gabaɗaya yana nufin gaskiyar cewa samar da wutar lantarki guda biyu suna fitowa ne daga tashoshi daban-daban (ko tashoshi masu rarrabawa), ta yadda wutar lantarkin biyu ba za su rasa ƙarfin lantarki a lokaci guda ba.Ana amfani da wannan yanayin gabaɗaya ga samar da wutar lantarki na musamman masu amfani, kamar filayen jirgin sama, tashoshin jirgin ƙasa, asibitoci, da sauransu.
2. Hanyoyin aiki daban-daban
Wannan madauki a cikin da'irar dual yana nufin madauki da ke fitowa daga tashar yanki.Dual ikokafofin suna masu zaman kansu daga juna.Lokacin da aka yanke tushen wutar lantarki daya, ba za a yanke tushen wutar lantarki a lokaci guda ba, wanda zai iya saduwa da wutar lantarki na farko da na biyu.Da'irar biyu gabaɗaya tana nufin ƙarshen, lokacin da layi ɗaya ya gaza kuma aka sanya wani da'irar jiran aiki don samar da wuta ga kayan aiki.
3. Kaddarori daban-daban
Samar da wutar da'ira sau biyu tana nufin tasha biyu ko ma'auni guda biyu daga cikin irin ƙarfin lantarki layuka biyu.
Samar da wutar lantarki sau biyu, ba shakka, daga samar da wutar lantarki guda biyu (dabi'a daban-daban), layukan ciyarwa, ba shakka, biyu ne;Idan ana maganar samar da wutar lantarki nesamar da wutar lantarki biyu.