Isayensi Ebangela Ukufakwa Kwe-Transformer Core

Intshayelelo:

Iitransformer zidlala indima ebalulekileyo ekudalweni, ekudlulisweni, nasekusasazweni kombane. Zinoxanduva lokunyusa okanye ukunciphisa iivoltage ukuqinisekisa ukunikezelwa kombane okusebenzayo nokukhuselekileyo. Entliziyweni yetransformer nganye kukho umbindi, oquka amaphepha entsimbi yombane aqinisiweyo adityaniswe kunye. Ezi laminations zinceda ekunciphiseni ukulahleka kwamandla ngenxa yemisinga ye-eddy. Nangona kunjalo, ukuphucula ngakumbi ukusebenza kakuhle kunye nokuthembeka kweetransformer, ukufakelwa ngokufanelekileyo kombindi kubalulekile. Kweli nqaku, siza kujonga isayensi engasemva kokufakelwa kombindi wetransformer, sihlolisise ukubaluleka kwayo kunye nezixhobo ezahlukeneyo zokufakelwa kombindi ezisetyenzisiweyo.

Ukubaluleka kokufakwa kwe-Transformer Core

Ukufakwa kwe-insulation ye-transformer core kusebenza njengomqobo phakathi kwe-core kunye ne-windings, kuthintela naziphi na iingxaki zombane ezinokubakho. Kuqinisekisa ukuba amandla ombane ahamba kakuhle kwi-core ngaphandle kokuvuza, kunciphisa ukulahleka kwamandla kunye nokuveliswa kobushushu. Ngaphandle kokufakwa kwe-insulation, i-transformer core inokuba sengozini yokuphazamiseka kombane, nto leyo ekhokelela ekunciphiseni ukusebenza kakuhle kunye neengozi ezinokubakho.

Iinjongo eziphambili zokufakelwa kwe-transformer core ziquka:

Ukuthintela Ukonakala Kombane: Izixhobo zokukhusela umbane zikhethwa ngokukodwa ukuze zikwazi ukumelana nombane ophezulu kwaye zithintele ukuqhambuka phakathi kombindi kunye nee-windings. Ngokuhlukanisa umbindi, zikhusela i-transformer kwi-short-circuits kunye nomonakalo onokubakho.

Ukunciphisa Ukulahleka Kwamandla: Ukufaka i-insulation kwi-transformer core kunceda ekunciphiseni i-eddy currents kunye nokulahleka kwe-hysteresis, okwenzeka ngenxa yamandla emagnethi kunye nokutshintsha kokuhamba kwamanzi ngaphakathi kwi-core. Oku kunciphisa ukuchithwa kwamandla, okukhokelela ekusebenzeni kakuhle okuphezulu kunye nokuveliswa kobushushu okuphantsi.

Ukuphucula Ubomi beTransformer: Ukufakwa kwe-core insulation kwandisa ubomi be-transformer ngokubonelela ngokhuseleko kumswakama, uthuli, nezinye izinto ezingcolisayo. Kunceda ekugcineni iipropati zokukhusela ze-core, ukuqinisekisa ukuba i-transformer isebenza ngokuthembekileyo ixesha elide.

Ukuphucula uKhuseleko: Ngokuthintela ukuphazamiseka kombane nokunciphisa ilahleko, ukufakelwa kombane okuphambili kuncedisa kukhuseleko olupheleleyo lwe-transformer kunye nokusingqongileyo okungqongileyo. Kunciphisa umngcipheko womlilo kunye neengozi zombane ezibangelwa kukungasebenzi kakuhle kokufakelwa kombane.

Izixhobo zokuvala ubushushu ezisetyenziswa kwiTransformer Core

Izixhobo ezahlukeneyo zokwambathisa zisetyenziselwa ukubonelela ngokwambathisa okusebenzayo kwii-cores ze-transformer. Isixhobo ngasinye sineempawu ezahlukeneyo, ezinje ngokuxhathisa umbane, ukuhanjiswa kobushushu, kunye namandla oomatshini. Nazi ezinye zezinto zokwambathisa ezisetyenziswa rhoqo:

Iphepha: Iphepha lokufaka ubushushu lelinye lawona maxhobo asetyenziswa kakhulu kwi-transformer core insulation. Linika amandla amahle e-dielectric, ukuguquguquka, kunye nokuhambelana neeoyile ze-transformer. Iphepha lidla ngokufunxwa nge-varnish okanye i-resin ukuphucula iipropati zalo zokufaka ubushushu kwaye lenze likwazi ukumelana nokufuma.

Ibhodi yokucinezela: Ibhodi yokucinezela, eyenziwe ngeefayibha ze-cellulose ezikumgangatho ophezulu, yenye yezinto ezisetyenziswa kakhulu ekugqumeni ubushushu kwii-transformers. Inika amandla abalaseleyo oomatshini, uzinzo olulinganayo, kunye nokumelana neekhemikhali. Ibhodi yokucinezela idla ngokusetyenziselwa ukufudumala ii-transformers ezinkulu ngenxa yokukwazi kwayo ukumelana namaqondo obushushu aphezulu kunye noxinzelelo loomatshini.

I-Epoxy Resin: I-Epoxy resin isetyenziswa kakhulu njengento yokuncamathelisa kunye nezinto ezifunxayo kwii-cores ze-transformer. Inika ukumelana okuphezulu kombane, amandla amahle oomatshini, kunye neempawu zokubopha eziphezulu. I-Epoxy resin isetyenziswa kakhulu kwiinxalenye ze-transformer ezigqumayo kunye nezibophayo.

Ifilimu yePolymide: Ifilimu yePolymide, eyaziwa ngokuba yiKapton, yinto ebhityileyo neguquguqukayo ebonelela ngobushushu obuhle kakhulu kwii-transformer cores. Inokumelana nobushushu obuphezulu, iipropati ze-dielectric ezibalaseleyo, kunye nokumelana neekhemikhali. Ifilimu yePolymide isetyenziswa kwii-transformers apho kufuneka ubuncinci kunye namandla aphezulu obushushu.

I-Nomex: I-Nomex yinto yokukhusela engatshiyo, esetyenziselwa ukukhusela ii-windings kunye ne-core kwi-transformers ezisebenza kumaqondo obushushu aphezulu. Inika uzinzo oluhle kakhulu lobushushu, ukumelana nokutsha, kunye namandla e-dielectric. Ukukhusela okusekwe kwi-Nomex kunceda ukuthintela ukuwohloka kobushushu kwaye kuqinisekisa ukusebenza okukhuselekileyo kwiindawo ezifuna amandla.

Iindlela zokuvala ubushushu kwiTransformer Core

Ukufezekisa ubushushu obusebenzayo kwii-cores ze-transformer kubandakanya iindlela ezithile zokuqinisekisa ukusebenza kakuhle kunye nokuthembeka. Nazi ezinye iindlela ezibalulekileyo zobushushu ezisetyenzisiweyo:

Ukuvanisha: Ukuvanisha kubandakanya ukufaka umaleko omncinci wevarnish okanye i-resin kwi-core laminations ukuze kuqinisekiswe ukuba iyavanisha. I-varnish ingena kwiindawo eziphakathi kwe-laminations, idale umaleko okhuselayo othintela ukufunxwa komswakama kwaye uphucule ukuvanisha kombane.

Ukufunxwa koxinzelelo lweVacuum (VPI): I-VPI yindlela yokukhusela esetyenziswa kakhulu equka ukufunxwa kwe-core assembly nge-insulating resin, kulandele ukuyicoca phantsi koxinzelelo lwe-vacuum. Le ndlela iqinisekisa ukufunxwa okupheleleyo kunye nokusasazwa okufanayo kwezinto zokukhusela ngaphakathi kwe-core, nto leyo ephucula iimpawu zayo zombane nezoomatshini.

Ukugquma ngeDip: Ukugquma ngeDip kubandakanya ukuntywilisela ii-core laminations kwi-insulating resin okanye i-varnish, ukuvumela ukuba zingene kwizikhewu eziphakathi kwazo. Emva koko, ukugquma okugqithisileyo kuyasuswa, kushiyeke umaleko ofanayo wokugquma ngeDip. Ukugquma ngeDip kunceda ukuphucula iipropati ze-dielectric ze-core kwaye kwandisa ukumelana kwayo nokufuma kunye nezinto ezingcolisayo.

Ukugquma: Ukugquma kubandakanya ukugubungela yonke indibano ye-transformer core ngomaleko okhuselayo we-epoxy resin okanye ezinye izinto zokukhusela. Le ndlela ibonelela ngokhuseleko olubonakalayo kuxinzelelo loomatshini, ukufuma, kunye nongcoliseko ngelixa iphucula ngakumbi ukugquma kombane kunye nokuchithwa kobushushu.

Ukufakwa kwe-Interlaminar: Ukufakwa kwe-Interlaminar kubhekisa ekusebenziseni izinto zokufaka i-insulation, ezifana nephepha okanye ibhodi yokucinezela, phakathi kwe-core laminations nganye. Le ndlela iqinisekisa ukufakelwa kwe-insulation okusebenzayo kwaye inciphisa ukulahleka kwamandla ngenxa ye-eddy currents kwi-core.

Isiphelo

Ukufakwa kobushushu obusebenzayo kwe-transformer core kubalulekile ukuqinisekisa ukusebenza kakuhle, ukusebenza kakuhle kwamandla, kunye nokhuseleko. Ukukhethwa kwezinto zokufakelwa kobushushu kunye neendlela kudlala indima ebalulekileyo ekufezekiseni ezi njongo. Ngokusebenzisa iindlela ezifana ne-varnishing, i-VPI, i-dip coating, i-encapsulation, kunye ne-interlaminar insulation, abavelisi be-transformer bazama ukubonelela ngee-transformers ezithembekileyo nezisebenzayo kwizicelo ezahlukeneyo. Ngokuqonda isayensi engasemva kwe-transformer core insulation, sinokuqonda ubunzima obubandakanyekayo ekwenzeni ngcono ukusebenza kwe-transformer ngelixa siqinisekisa ukuhlala ixesha elide kunye nokuthembeka.