Uvavanyo lokungathwali mthwalo: Faka i-voltage elinganisiweyo ye-sine wave ireyithwe rhoqo ukusuka kumoya othile we-transformer (ngokubanzi ukusuka kwicala lesibini le-voltage ephantsi), kwaye uvule amanye amajiko ukulinganisa ilahleko yangoku kunye nokungabikho komthwalo. . Ukuba iimeko zokuvavanya zilinganiselwe kwaye i-voltage yonikezelo lwamandla ayikwazi ukufikelela kwi-voltage elinganisiweyo, uvavanyo lunokwenziwa phantsi kweemeko zombane ezingalinganiyo. Le ndlela yokuvavanya inempazamo enkulu kwaye isetyenziswa ngokubanzi kuphela ukujonga ukuba i-transformer ayilungile. Kuphela i-voltage yokuvavanya ifikelela ngaphezu kwe-80% yombane olinganisiweyo. ingasetyenziselwa ukuvavanya ilahleko yokungabikho komthwalo.
