Abahlinzeki beyunithi yempendulo bayakukhumbuza: I-Variable-frequency Drive (VFD) ilawula isivinini kanye nokusebenza kwenjini ngokulungisa imvamisa kanye nobukhulu be-voltage ephumayo. Ngokuqondile, i-VFD ilawula isivinini semoto ikakhulukazi ngezinyathelo ezilandelayo:
Ukuthola isignali yokokufaka: I-VFD iqala ngokuqoqa amasignali okokufaka kusukela kusistimu yokulawula noma iphaneli yokusebenza, okuhlanganisa nemingcele efana nezilungiselelo zesivinini ezidingekayo, izindlela zokusebenza, njll.
Ukubala isivinini: Ngokusekelwe kusignali yokokufaka kanye ne-algorithm yokulawula yangaphakathi ye-VFD, i-VFD ibala isivinini okumele injini isebenze ngaso njengamanje.
Khiqiza amasignali e-PWM: Ngokusekelwe kwisivinini esibaliwe, i-VFD ikhiqiza isignali ehambisanayo ye-PWM (i-pulse width modulation).
I-Pulse Width Modulation: Isiginali ye-PWM idlula kumojula yokushintshanisa ububanzi be-pulse futhi iyiguqule ibe uchungechunge lwamasignali we-pulse. Ububanzi nesikhawu se-pulse kungalawulwa ngokuya ngesivinini esidingekayo sokujikeleza.
Ukulungiswa kwamandla kagesi okukhiphayo: Isignali ye-pulse ngokusebenzisa isekethe yokuphumayo ilungisa i-amplitude kanye nemvamisa ye-voltage ephumayo ye-VFD. I-frequency ye-voltage ephumayo yijubane elifiswayo.
Injini yamandla: I-voltage ephumayo inikezwa injini ngembobo ephumayo ye-VFD. I-motor ihamba ngesivinini esihambisanayo ngokuya nge-voltage kanye nemvamisa enikezwe i-VFD.
Ngokuhlala ilungisa imvamisa kanye nobukhulu be-voltage ephumayo, i-VFD ingakwazi ukufeza ukulawulwa kwejubane okunembe ukuze ihlangabezane nezidingo zezimo zokusebenza ezihlukene futhi ithuthukise ukusebenza kahle nokusebenza kahle nokulawula ukunemba kwemoto.