Zisebenza njani iitshaja ezikhawulezayo zokupholisa ulwelo?

Iitshaja ezikhawulezayo zokupholisa ulwelo zisebenzisa iintambo ezipholisiweyo lulwelo ukunceda ukulwa namanqanaba aphezulu obushushu anxulumene nesantya esiphezulu sokutshaja. Ukupholisa kwenzeka kwisixhumi ngokwaso, kuthumela isifudumezi sihamba ngentambo size singene kunxibelelwano phakathi kwemoto nesixhumi. Ngenxa yokuba ukupholisa kwenzeka ngaphakathi kwesixhumi, ubushushu buyaphela phantse ngoko nangoko njengoko isifudumezi sihamba sibuyela umva phakathi kweyunithi yokupholisa kunye nesixhumi. Iinkqubo zokupholisa ulwelo ezisekelwe emanzini zinokususa ubushushu ngokuphindwe kalishumi ngokufanelekileyo, kwaye ezinye izinto ezimanzi zinokuphucula ngakumbi ukusebenza kakuhle kokupholisa. Ke ngoko, ukupholisa ulwelo kufumana ingqwalasela engaphezulu njengesisombululo esisebenzayo esifumanekayo.

Ukupholisa ulwelo kuvumela iintambo zokutshaja ukuba zincinci kwaye zibe lula, kunciphisa ubunzima beentambo malunga ne-40%. Oku kwenza kube lula kumthengi oqhelekileyo ukuzisebenzisa xa etshaja imoto yakhe.

Izihlanganisi zolwelo lokupholisa zenziwe ukuba zihlale ixesha elide kwaye zimelane neemeko zangaphandle ezifana namanqanaba aphezulu obushushu, ukubanda, ukufuma kunye nothuli. Zikwalungiselelwe ukumelana noxinzelelo olukhulu ukuze kuthintelwe ukuvuza kwaye zikwazi ukuzixhasa ngamaxesha amade okutshaja.

Inkqubo yokupholisa ulwelo kwiitshaja zezithuthi zombane idla ngokubandakanya inkqubo evaliweyo. Itshaja ixhotyiswe ngesixhobo sokutshintsha ubushushu esiqhagamshelwe kwinkqubo yokupholisa, enokuphola ngomoya okanye iphole ngamanzi. Ubushushu obuveliswa ngexesha lokutshaja budluliselwa kwisixhobo sokutshintsha ubushushu, esiza kuthi emva koko sidluliselwe kwisixhobo sokupholisa. Isixhobo sokupholisa sidla ngokuba ngumxube wamanzi kunye nesixhobo sokupholisa, esifana ne-glycol okanye i-ethylene glycol. Isixhobo sokupholisa sijikeleza kwinkqubo yokupholisa yetshaja, sifunxa ubushushu size sibudlulisele kwi-radiator okanye kwi-heat exchanger. Ubushushu buyasuswa emoyeni okanye budluliselwe kwinkqubo yokupholisa ulwelo, kuxhomekeke kuyilo lwetshaja.

Ingaphakathi lesixhumi se-CSS esinamandla aphezulu libonisa iintambo ze-AC (eziluhlaza) kunye nokupholisa ulwelo kwiintambo ze-DC (ezibomvu).

Ngokupholisa ulwelo kwiindawo ezidibanayo kunye ne-coolant esebenza kakuhle, umlinganiselo wamandla unokwandiswa ukuya kuthi ga kwi-500 kW (500 A kwi-1000V) enokuhambisa itshaja yeemayile ezingama-60 kwimizuzu emithathu ukuya kwemihlanu.