Te whakamahi tikanga autaki ki te mohio ki te whakamatautau o te ōwehenga, te hapa ōwehenga me te hapa koki wahanga, me era atu.
Na roto i te Ratio me te whakamatautau whakaurunga, tatauhia te hapa o te 80%-120% ngaohiko whakatau i raro i te pikaunga kua whakatauhia me te taumahatanga o raro.
Te rahi iti me te taimaha marama, e tika ana mo te whakamatautau mara o Capacitance PT.
Whakamātautau ōwehenga ngaohiko.
Tirohia nga waea waea me te whakatau i nga waea hee, i tenei wa me whakaatu te "polarity whakamuri", "tuwhera tuarua", "he owehenga he" me te whakatika i te uara ngaohiko tuatahi.
Whakamatau Hapa kore-uta i raro i te 2.2KV.
Whakamatautauria te hapa i puta mai i te pikaunga tuatahi me te tuarua.
Whakamatauhia te urunga whakaihiihi tuarua me te whiwhi hapa kore-uta i raro i te 80%, 100% me te 120% ngaohiko whakatau.
Whakamatautauria te hapa o te awhiowhio tuarua 1n1a me te 2n2a i raro i te pikaunga whakatau me te taumahatanga tepe iti i raro i te 80%,100% me te 120% ngaohiko whakatau, me te tukatuka i te uara hapa.
