Ratio yuam kev thiab Theem lub kaum sab xis yuam kev kuaj
High thiab ruaj khov xeem cov ntaub ntawv raug
Qhib-circuit & kaw-circuit demagnetization muaj nuj nqi
Nrog dhau tam sim no, dhau voltage, rov qab polarity, overload thiab tsis ncaj ncees lawm thaiv kev tiv thaiv
Cov qauv siv tau: IEC 60044 lossis ANSI / IEEE C57.13 (nyob ntawm cov neeg siv khoom xav tau)