AC Resonant Test System for Substation Eletise Equipment, e masani lava ona aofia ai le faʻafesoʻotaʻi faʻasolosolo eletise, Excitation Transformers, Reactors, Capacitive dividers, lea na fuafuaina mo le AC e tetee atu i le suʻega eletise o masini eletise eletise i le 500kV poʻo lalo ifo.