Kev siv txoj kev tsis ncaj ncees kom paub qhov kev sim ntawm qhov sib piv, piv txwv qhov yuam kev thiab theem kaum qhov yuam kev, thiab lwm yam.
Los ntawm kev sib piv thiab kev xeem nkag, xam tawm qhov yuam kev ntawm 80% -120% rated voltage nyob rau hauv rated load thiab txo lub nra hnyav.
Qhov loj me thiab lub teeb yuag, haum rau kev sim ntsuas ntawm Capacitance PT.
Voltage ratio test.