Zakhala chizolowezi chosasinthika kuyendetsa galimoto kudzera pa inverter.Pakugwiritsa ntchito kwenikweni, chifukwa cha mgwirizano wosagwirizana pakati pa inverter ndi mota, zovuta zina zimachitika nthawi zambiri.Posankha inverter, muyenera kumvetsetsa bwino za katundu wa zida zoyendetsedwa ndi inverter.
Titha kugawa makina opanga m'mitundu itatu: kuchuluka kwamagetsi kosalekeza, kuchuluka kwa torque kosalekeza, ndi fani ndi pampu yamadzi.Mitundu yosiyanasiyana ya katundu imakhala ndi zofunikira zosiyanasiyana za ma inverters, ndipo tiyenera kuzifananiza molingana ndi mikhalidwe ina.
Makokedwe omwe amafunidwa ndi spindle ya chida cha makina ndi coiler ndi kumasula mu mphero, makina amapepala, ndi mzere wopanga mafilimu apulasitiki nthawi zambiri amafanana ndi liwiro lozungulira, lomwe ndi mphamvu yosalekeza.Mphamvu yokhazikika ya katunduyo iyenera kukhala yokhudzana ndi kusiyana kwa liwiro linalake.Liwiro likakhala lochepa kwambiri, loletsedwa ndi mphamvu zamakina, lidzasintha kukhala torque yokhazikika pa liwiro lotsika.Liwiro la injini likasinthidwa ndi maginito osasinthasintha, ndikuwongolera kuthamanga kwa torque;pamene liwiro lafooka, ndi nthawi zonse mphamvu liwiro lamulo.
Mafani, mapampu amadzi, mapampu amafuta ndi zida zina zimazungulira ndi chowongolera.Pamene liwiro likucheperachepera, torque imachepa malinga ndi lalikulu la liwiro, ndipo mphamvu yofunikira ndi katunduyo ndi yofanana ndi mphamvu yachitatu ya liwiro.Pamene kuchuluka kwa mpweya wofunikira ndi kuthamanga kwa mpweya kumachepetsedwa, otembenuza pafupipafupi angagwiritsidwe ntchito kusintha mphamvu ya mpweya ndi kuthamanga kwa mpweya pogwiritsa ntchito kuwongolera liwiro, zomwe zingapulumutse kwambiri magetsi.Popeza mphamvu yofunikira pa liwiro lapamwamba imakula mofulumira kwambiri ndi liwiro lozungulira, zowomba ndi kupopera katundu siziyenera kuyendetsedwa pamagetsi.
TL imakhalabe yokhazikika kapena yokhazikika pa liwiro lililonse lozungulira.Pamene inverter imayendetsa katundu ndi torque yosasinthasintha, torque pa liwiro lotsika iyenera kukhala yayikulu mokwanira komanso kukhala ndi mphamvu yokwanira yodzaza.Ngati kuli kofunikira kuthamanga pa liwiro lotsika pa liwiro lokhazikika, ntchito yochotsa kutentha kwa mota iyenera kuganiziridwa kuti injini isatenthedwe chifukwa cha kutentha kwambiri.
Nkhani zomwe ziyenera kutsatiridwa posankha ma frequency converter:
Pamene injini yamagetsi imayendetsedwa ndi inverter, mphamvu yamagetsi idzawonjezeka ndi 10-15%, ndipo kutentha kumawonjezeka ndi 20-25%.
Mukamagwiritsa ntchito ma frequency converter kuti muwongolere mota yothamanga kwambiri, ma harmonics ambiri amapangidwa.Ndipo ma harmonics apamwambawa adzawonjezera mtengo wamakono wa inverter.Chifukwa chake, posankha chosinthira pafupipafupi, giya imodzi iyenera kukhala yayikulu kuposa yamoto wamba.
Poyerekeza ndi ma motors a gologolo wamba, ma motors amabala amatha kukumana ndi zovuta zodumphira mopitilira muyeso, ndipo chosinthira pafupipafupi chokhala ndi mphamvu yayikulupo kuposa masiku onse chiyenera kusankhidwa.
Mukamagwiritsa ntchito chosinthira pafupipafupi kuti muyendetse mota yochepetsera magiya, kuchuluka kwa ntchito kumachepetsedwa ndi njira yothira gawo lozungulira la giya.Pali chiwopsezo chotha mafuta pomwe liwiro loyezedwa lipitilira.
● Mtengo wamakono wa injini umagwiritsidwa ntchito ngati maziko a kusankha kwa inverter, ndipo mphamvu yovotera ya galimotoyo ndi yongoganizira chabe.
● Kutulutsa kwa inverter kumakhala ndi ma harmonics apamwamba kwambiri, omwe amachepetsa mphamvu yamagetsi ndi mphamvu ya injini.
● Pamene inverter ikufunika kuyendetsa ndi zingwe zazitali, mphamvu ya zingwe pa ntchitoyo iyenera kuganiziridwa, ndipo zingwe zapadera ziyenera kugwiritsidwa ntchito ngati kuli kofunikira.Kuti athetse vutoli, inverter iyenera kukulitsa kusankha kwa giya imodzi kapena ziwiri.
● Muzochitika zapadera monga kutentha kwakukulu, kusinthasintha pafupipafupi, kukwera kwapamwamba, ndi zina zotero, mphamvu ya inverter idzatsika.Ndibwino kuti inverter iyenera kusankhidwa molingana ndi sitepe yoyamba ya kukulitsa.
● Poyerekeza ndi mphamvu yamagetsi yamagetsi, pamene inverter imayendetsa galimoto ya synchronous, mphamvu yotulutsa idzachepetsedwa ndi 10 ~ 20%.
● Pazambiri zomwe zimakhala ndi kusinthasintha kwakukulu kwa torque monga ma compressor ndi vibrator, ndi katundu wapamwamba kwambiri monga mapampu a hydraulic, muyenera kumvetsetsa bwino ma frequency amphamvu ndikusankha inverter yokulirapo.
Nthawi yotumiza: Jun-30-2022