Iitransformer zamandla zimele enye yezona zinto zibalulekileyo kwiinkqubo zokusasazwa kombane, apho ukukhethwa kwezinto kuchaphazela ngokuthe ngqo ukusebenza kunye nokusebenza kakuhle kweendleko. Ingxoxo eqhubekayo phakathi kweetransformer ze-aluminium kunye ne-copper idale izigqibo zokuthenga kumashishini, ukusuka kwiinkampani eziluncedo ukuya kwizakhiwo zokuvelisa.

Olu hlalutyo lubanzi luhlola iimpawu ezisisiseko kunye neenkcukacha zobugcisa ezahlula ii-transformers ze-aluminium kunye ne-copper, zihlola iinkalo eziphambili eziquka ukuqhuba, iipropati zobushushu, izinto eziqwalaselwayo ngobukhulu, kunye nokusetyenziswa okusebenzayo kumacandelo ahlukeneyo. Uthelekiso lwethu oluneenkcukacha luya kunceda iingcali zenze izigqibo ezinolwazi ngokusekelwe kwiimfuno ezithile zeprojekthi kunye nemida yokusebenza.

Yintoni i-Aluminium Transformer

I-transformer ye-aluminium isebenzisa ii-windings ze-aluminium endaweni yobhedu lwendabuko kwiikhoyili zayo eziphambili nezesibini. Umbindi we-transformer uhlala wenziwe ngee-laminations zentsimbi ye-silicon, ngelixa izinto zokuqhuba ii-windings ziyi-aluminium ecocekileyo kakhulu eneempawu ezithile zombane ezifanelekileyo zokuhambisa nokusasaza umbane.

Ii-aluminium windings zenziwa iinkqubo ezikhethekileyo zokwenza ukuze kugcinwe iimpawu zombane ezifanelekileyo. Abavelisi badla ngokwandisa indawo enqamlezileyo yee-aluminium windings malunga ne-60% xa kuthelekiswa nee-copper equivalents ukuze kulungiswe umbane ophantsi we-aluminium. Olu tshintsho loyilo luqinisekisa amandla aneleyo okuthwala umbane ngelixa kugcinwa imigangatho yokusebenza kwe-transformer.

Iitransformer ze-aluminium zanamhlanje zisebenzisa iinkqubo zokukhusela eziphucukileyo kunye neendlela zokupholisa ukulawula amaqondo obushushu okusebenza ngokufanelekileyo. Iiwindings zinezixhobo zokukhusela ezikumgangatho ophezulu, kubandakanya iphepha le-kraft kunye neoyile yeminerali, ezibonelela ngokwahlulahlula umbane kunye nokusasaza ubushushu. Ezi transformers zihlala zisebenzisa iitanki ezirhabaxa kunye neenkqubo ze-radiator ukuphucula ukusebenza kakuhle kokupholisa.

Yintoni iCopper Transformer

I-transformer yobhedu isebenzisa ii-copper conductors kwii-windings zayo eziphambili nezesibini. I-transformer isebenzisa i-electrolytic grade copper enobunyulu obuncinci be-99.9%, iqinisekisa ukuhanjiswa kombane okuphezulu kunye neempawu zokudluliselwa kwamandla ezinokuthenjwa. Ii-copper windings zibonisa ukusebenza okulinganayo kwiimeko ezahlukeneyo zomthwalo kunye namaqondo obushushu okusebenza.

Uyilo lweetransformer zekopolo luxhamla kwiipropati zezinto ezisetyenziswa yikopolo. Iiwindings zigcina ubukhulu obuncinci ngenxa yokuqhuba okuphezulu kobhedu, okuvumela ukusetyenziswa kakuhle kwendawo ngaphakathi kwendibano yetransformer. Ii-conductors zekopolo zine-enamel coatings ezikhethekileyo kunye neenkqubo zokukhusela iphepha ezithintela umbane omfutshane ngelixa ziququzelela ukudluliselwa kobushushu okusebenzayo.

Ezi transformers zisebenzisa iindlela ezichanekileyo zokujika ukuze kuncitshiswe ilahleko yamandla e-eddy kunye nokuphucula ukudibana kwe-electromagnetic phakathi kwee-coils eziphambili nezesibini. Ii-copper windings zigcina ukuthembeka kwazo koomatshini ixesha elide, zichasa ukuguquguquka phantsi koxinzelelo lobushushu kunye namandla e-electromagnetic. Iinkqubo zokuvelisa ziquka ukuthintela ngononophelo kunye nolawulo lokuxinana ukuqinisekisa ukusasazwa okufanayo koxinzelelo lombane noomatshini kulo lonke indibano yokujika.

Umahluko oPhambili phakathi kweAluminiyam kunye neCopper Transformers

Ukuqhuba kombane

Ulawulo lombane lwe-copper lumi kwi-100% IACS (International Annealed Copper Standard), ngelixa i-aluminium ifikelela kwi-61% IACS. Lo mahluko uthetha ukuba ii-transformers ze-copper zibonisa ukumelana okuphantsi kombane, nto leyo ebangela ukulahleka kwamandla okuphantsi ngexesha lokusebenza. Ukuze kulungiswe uqoqosho oluphantsi lwe-aluminium, abavelisi kufuneka bonyuse indawo enqamlezileyo yee-aluminium windings malunga ne-56% xa kuthelekiswa nee-copper windings ukuze kufezekiswe umthamo olinganayo wokuthwala umbane.

ixabiso

Iitransformer ze-aluminium zihlala zibiza ngaphantsi ngama-30-40% kunee-copper ngenxa yamaxabiso aphantsi ezinto eziluhlaza. Imarike yempahla yesinyithi ibonisa ukuba i-aluminium ihlala igcina ixabiso eliphantsi ngekhilogram xa ithelekiswa ne-copper. Nangona kunjalo, uhlalutyo lweendleko lulonke kufuneka luqwalasele ukuba iitransformer ze-aluminium zifuna ii-windings ezinkulu kunye nezinto zokukhusela ezingaphezulu ukuze zifezekise ukusebenza okufanayo.

ubunzima

Ubunzima be-aluminium obuyi-2.7 g/cm³ xa buthelekiswa nobhedu obuyi-8.96 g/cm³ benza ii-transformer ze-aluminium zibe lula ngama-50% kuneeyunithi zobhedu ezifanayo. Lo mahluko wobunzima ubonelela ngeenzuzo ezibalulekileyo kwiimfuno zothutho, ukufakwa, kunye nenkxaso yesakhiwo. I-transformer ye-aluminium eyi-1000 kVA idla ngokuba nobunzima obungaphantsi ngama-30-35% kunobhedu olulinganayo.

ubungakanani

Ngenxa yokuba i-aluminium ayinamandla okuqhuba kakuhle, ii-transformer ezisebenzisa ii-aluminium windings zifuna ii-cores ezinkulu kunye nee-coils. Ukwanda kobukhulu kudla ngokuba phakathi kwe-15-25% xa kuthelekiswa nee-copper transformers ezilinganayo. Lo mahluko wobukhulu uchaphazela iimfuno zendawo yokufaka kunye nokuqwalaselwa kokupholisa. Umzekelo, i-aluminium transformer ye-500 kVA ingadinga i-20% yomthamo ngaphezu kwe-copper equivalent yayo.

Ukuqhuba Ukushisa

Ulawulo lobushushu lweCopper oluyi-401 W/m·K ludlula i-237 W/m·K ye-aluminium, nto leyo evumela ukuchithwa kobushushu okusebenzayo ngakumbi kwiitransformer zecopper. Olu lawulo lobushushu oluphezulu luvumela iitransformer zecopper ukuba zisebenze kubuninzi bombane obuphezulu ngaphandle kokugqithisa kakhulu.

Ukuqina kunye nokomelela

I-Copper inamandla aphezulu oomatshini kunye namandla okutsalwa angama-220-400 MPa xa kuthelekiswa ne-aluminium engama-70-180 MPa. Lo mahluko uchaphazela ukuqina kwe-transformer kuxinzelelo loomatshini ngexesha lokuthuthwa, ukufakwa, kunye nokusebenza. Ii-transformer ze-copper zibonisa ukumelana okungcono nokungcangcazela kunye nokuguguleka koomatshini ngokuhamba kwexesha.

Ukusebenza kakuhle

Ukuqhuba okuphezulu kobhedu kubangela ukulahleka kwamandla okuphantsi kunye nokuphuculwa kwemilinganiselo yokusebenza. Iitransformer zeCopper zihlala zibonisa ukusebenza okuphezulu nge-0.3-0.5% kuneeyunithi ze-aluminium ezifanayo. Kwitransformer ye-1000 kVA esebenza ngomthwalo opheleleyo, lo mahluko wokusebenza unokuguqulelwa kwiiyure ezingamawaka aliqela ze-kilowatt ezigcinwayo ngonyaka.

Ubude obude

Iitransformer zeCopper zihlala zisebenza kakuhle kangangeminyaka engama-30-40, ngelixa iitransformer zealuminium zineminyaka engama-25-35 ubudala phantsi kweemeko ezifanayo. Lo mahluko wobomi uvela ekuchaseni okuphezulu kwecopper kwi-oxidation kunye noxinzelelo loomatshini. Iindawo zonxibelelwano kwiitransformer zealuminium zifuna ukugcinwa rhoqo ngenxa yemiphumo yokujikeleza kobushushu.

izicelo

Iitransformer zekopolo ziphambili kwizicelo ezifuna ukuthembeka okuphezulu, njengezibonelelo zonyango, amaziko edatha, kunye neenkqubo zoshishino. Iitransformer ze-aluminium zisetyenziswa kakhulu kwiindawo zokuhlala, izakhiwo zorhwebo, kunye nothungelwano lokusasazwa kweenkonzo apho ukulungiswa kweendleko kubaluleke kakhulu.