I-frequency frequency drive (vfd), eyaziwa nangokuthi i-speed drive eguqukayo (ASD), iyidivayisi ye-elekthronikhi esetshenziselwa ukulawula ijubane ne-torque yemoto kagesi. Kusetshenziswa kakhulu ezisetshenziselwa kwezimboni nezentengiso lapho kudingeka khona ukulawula okuqondile kwesivinini semoto.
Umsebenzi oyinhloko we-VFD ukwehluka imvamisa kanye nogesi onikezwe imoto, ngaleyo ndlela uvumele isivinini sezimoto esiguqukayo. Ngokushintsha imvamisa kanye namandla kagesi, i-VFD ingalawula isivinini sokujikeleza imoto, ukushesha, kanye namazinga okukhohlisa. Lokhu kunikeza ukuguquguquka nokusebenza kwamandla ezicelo ezahlukahlukene.
Ama-VFD anikela ngezinzuzo eziningana, kufaka phakathi:
- Ukulawulwa kwejubane: Ama-VFDs anika amandla okulawula okuqondile ngaphezulu kwesivinini sezimoto, okuvumela ukusebenza kahle kanye nokonga amandla. Ijubane lingashintshwa ukuze lihambisane nezidingo ezithile, njengezidingo ezihlukile noma izidingo zenqubo.
- Ukuqala okuthambile nokuma: Ama-VFDs ahlinzeka ngokuqalisa okubushelelezi futhi ayeke ukusebenza, ukunciphisa ukucindezela kwemishini ku-motor nemishini ehambisanayo. Lesi sici sisiza ukunweba isikhathi sokuphila kwemoto futhi sithuthukise ukuthembeka kohlelo.
- Ukusebenza kahle kwamandla: Ngokushintsha isivinini se-motor ukufanisa umthwalo odingekayo, ama-VFDs anganciphisa kakhulu ukusetshenziswa kwamandla kuqhathaniswa nezindlela zokulawula izimoto ezisheshayo. Basusa isidingo samadivaysi aphonsayo anjengezitebhisi noma ama-valves, anciphisa amandla.
- Inqubo yokwenza kahle: I-VFDS ivumela ukulawulwa okuqondile kwesivinini sezimoto, yenza lula inqubo yokwenza kahle kuzinhlelo zokusebenza ezifana nezinhlelo zokuhambisa, amaphampu, abalandeli kanye nabacindezeli. Lokhu kulawula kuthuthukisa ukukhiqiza, ukunemba, kanye nekhwalithi yomkhiqizo.
- Ukuvikelwa Kwezimoto: Ama-VFDs ahlinzeka ngezici ezivikelwe ezakhelwe ngaphakathi njengokuvikelwa okugcwele ngokweqile, ukubonwa kwamandla kagesi nokuqapha kwamanje, kanye nokuxilonga amaphutha. Lezi zici zisiza ukuvikela ukulimala kwezimoto futhi kuthuthukise ukuthembeka kohlelo lonke.
Ama-VFDs asetshenziswa kabanzi kwizimboni ezahlukahlukene, kufaka phakathi ukukhiqiza, izinhlelo ze-HVAC, ukwelashwa kwamanzi, uwoyela negesi, nabanye abaningi. Banikela ngokulawula okuthuthukile, ukonga amandla, nokusebenza kahle kokusebenza, okwenza kube yingxenye ebalulekile ezicelo zesimanje zokulawula izimoto.
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Isikhathi Seposi: Feb-19-2024