Isistimu yokuhlola ye-GDBT Transformer ingaqhuba zonke izivivinyo ezijwayelekile zama-transformer, okuhlanganisa ukuhlolwa kwe-No-load and load, Ukuhlolwa kwe-voltage eyenziwe, imvamisa yamandla ukumelana nokuhlolwa kwe-voltage, ukuhlolwa kokukhipha ingxenye, ukuhlolwa kokumelana ne-DC, ukuhlolwa kwesilinganiso sokuphenduka, ukuhlolwa kokukhuphuka kwezinga lokushisa njll.