I-VFD6900C eguqula i-frequency vector ship esebenza kakhulu yi-converter ye-current vector frequency esebenza kakhulu. Ngombane oqala ngamandla amakhulu, umthamo ogqithisileyo onamandla, kunye nonyango olucwangcisiweyo ngakumbi lokunciphisa umbane kunye nombane, inemisebenzi yokukhusela epheleleyo efana nombane ogqithisileyo, umbane ogqithisileyo, umbane ongaphantsi kwamandla, iimpazamo zebhloko, izixhobo zombane ezishushu, ubushushu obuphezulu, i-short circuit, ukulahleka kwesigaba sokufaka kunye nesiphumo, ukulungiswa kweparameter yemoto okungaqhelekanga, kunye neziphene zokugcina amandla angaphakathi.