I-AC Resonant Test System Yezisetshenziswa Zogesi Ezingaphansi, yakhiwa ikakhulukazi ukuphakelwa kwamandla kagesi okuguquguqukayo, Ama-Excitation Transformers, Ama-Reactors, ama-Capacitive dividers, aklanyelwe i-AC ukumelana nokuhlolwa kwamandla kagesi wesiteshi esincane sikagesi ku-500kV noma ngaphansi.