Ukuqonda iiMpawu zoKhuseleko lweeTransformers ezifakwe kwiOyile

Iitransformer ezifakwe kwi-oyile zizinto ezibalulekileyo kwiinkqubo zamandla ombane, ezisetyenziselwa ukudlulisa nokusasaza amandla ombane. Ezi transformer zixhomekeke kwiimpawu zokukhusela ezisebenzayo ukuqinisekisa ukudluliselwa kwamandla ombane ngokukhuselekileyo nangokufanelekileyo. Ukuqonda iimpawu zokukhusela iitransformer ezifakwe kwi-oyile kubalulekile ukuqinisekisa ukusebenza kwazo okuthembekileyo kunye nobude bazo.

Izinto zokuvala ubushushu zidlala indima ebalulekileyo ekusebenzeni kwee-transformers ezifakwe kwi-oyile, njengoko zinoxanduva lokuthintela ukuphazamiseka kombane nokuqinisekisa ukuthembeka kwesakhiwo se-transformer. Kweli nqaku, siza kuhlola iimpawu zokuvala ubushushu zee-transformers ezifakwe kwi-oyile, kuquka izixhobo ezisetyenzisiweyo, iindlela zokuvavanya ezisetyenzisiweyo, kunye nezinto ezichaphazela ukusebenza kwe-insulation.

Izixhobo zokuvala ubushushu ezisetyenziswa kwiitransformer ezifakwe kwioyile

Inkqubo yokukhusela i-transformer efakwe kwi-oyile iqulathe izinto ezahlukeneyo ezisebenzisanayo ukubonelela ngokhuseleko lombane, ubushushu, kunye noomatshini. Izinto eziphambili zokukhusela i-insulation kwii-transformer ezifakwe kwi-oyile yi-cellulose, esetyenziswa ngendlela yephepha kunye nebhodi yokucinezela. Ukukhusela i-cellulose kunika iipropati ezintle ze-dielectric kwaye iyakwazi ukumelana noxinzelelo oluphezulu lombane. Ukongeza kwi-cellulose, ukhuseleko lwe-transformer lunokubandakanya izinto zokukhusela i-oyile ezifakwe kwi-oyile ezifana ne-mineral oil okanye ii-esters zokwenziwa. I-oyile isebenza njengesibandisi kwaye inika amandla ongezelelweyo e-dielectric kwinkqubo yokukhusela.

Ukukhethwa kwezinto zokwambathisa kuxhomekeke kwizinto ezifana nodidi lwevolthi yetransformer, umlinganiselo wamandla, kunye neemeko zokusingqongileyo. Umzekelo, iitransformer ezisebenza kwiivolthi eziphezulu zinokufuna ukufakelwa okujiyileyo ukuze zimelane noxinzelelo olukhulu lombane. Ngokufanayo, iitransformer ezifakwe kwiindawo ezirhabaxa zinokusebenzisa izinto zokwambathisa ezikhethekileyo ukuze zimelane nokonakala.

Uvavanyo oluqhelekileyo lwezinto zokwambathisa i-insulation lubalulekile ukuqinisekisa ukusebenza kwazo okuqhubekayo. Uvavanyo oluqhelekileyo lokwambathisa i-cellulose kukulinganisa iqondo le-polymerization (DP), elibonisa ubude be-molecular chain ye-cellulose. Ukwehla kwe-DP ngokuhamba kwexesha kunokubonisa ukuwohloka kwezinto zokwambathisa i-insulation, nto leyo ebangela ukuba kufuneke ukulungiswa okanye ukutshintshwa. Ukongeza kuvavanyo lwe-DP, uvavanyo lomgangatho weoyile lunokuvavanya imeko yeoyile yokwambathisa i-insulation kwaye luchonge naziphi na iingxaki ezinokubakho ezinokuchaphazela iimpawu zokwambathisa i-transformer.

Ngamafutshane, izixhobo zokukhusela ubushushu ezisetyenziswa kwiitransformer ezintywilisiweyo kwioyile zibalulekile ekugcineni ukuthembeka kwenkqubo yokukhusela ubushushu yetransformer nokuqinisekisa ukusebenza okuthembekileyo. Uvavanyo kunye nokugcinwa rhoqo kubalulekile ekuchongeni nakuphi na ukonakala kwezinto zokukhusela ubushushu kunye nokuthatha amanyathelo okulungisa ukugcina iimpawu zokukhusela ubushushu zetransformer.

Iindlela zoVavanyo lweePropathi zoKhuseleko

Iimpawu zokufakelwa kwe-insulation ze-transformers ezifakwe kwi-oyile zivavanywa ngeendlela ezahlukeneyo zokuvavanya ukuvavanya amandla azo e-dielectric, ukusebenza kobushushu, kunye nokuthembeka ngokubanzi. Uvavanyo lwe-dielectric ludla ngokwenziwa ukulinganisa amandla e-insulation okumelana noxinzelelo lombane ngaphandle kokuwohloka. Olunye lovavanyo lwe-dielectric olusetyenziswa kakhulu luvavanyo lwe-dielectric factor, oluvavanya i-dissipation factor ye-insulation. Ixabiso eliphezulu le-power factor linokubonisa ukuba kukho ukufuma, ukungcola, okanye ukuwohloka kwe-insulation, nto leyo edinga uphando olongezelelweyo kunye nokugcinwa.

Olunye uvavanyo olubalulekileyo lwe-dielectric luvavanyo lwe-AC stainless voltage, oluthi i-insulation ixhomekeke kwi-voltage ephezulu ukuqinisekisa amandla ayo okumelana noxinzelelo lombane ngaphandle kokusilela. Uvavanyo lwe-thermal, olufana novavanyo lokunyuka kobushushu, luvavanya amandla e-insulation okumelana nobushushu kwaye lugcine iipropati zayo ze-dielectric ngaphakathi kwemida yobushushu echaziweyo. Uvavanyo lokunyuka kobushushu lubandakanya ukunika amandla i-transformer xa igcwele umthwalo ukuze kulinganiswe ukunyuka kobushushu be-insulation kwaye kuqinisekiswe ukuba ihlala ngaphakathi kwemida eyamkelekileyo.

Ukongeza kwiimvavanyo ze-dielectric kunye ne-thermal, iimvavanyo zoomatshini ezifana novavanyo lwe-short circuit kunye novavanyo lwe-impulse voltage zivavanya amandla e-insulation okumelana noxinzelelo lwe-mechanical kunye nolwe-transient stress. Uvavanyo lwe-short circuit lubeka i-transformer kwi-high fault currents ukuqinisekisa ukuthembeka kwe-insulation kunye namandla e-mechanical e-transformer. Ngokufanayo, uvavanyo lwe-impulse voltage lulinganisa umbane kunye ne-switching surges ukuqinisekisa amandla e-insulation okumelana noxinzelelo lwe-transient volteji.

Iindlela zokuvavanya iimpawu zokufakelwa kwe-insulation zibalulekile ekuvavanyeni imeko yenkqubo yokufakelwa kwe-insulation ye-transformer nokuqinisekisa ukuthembeka kwayo. Uvavanyo oluqhelekileyo, oludibene nolondolozo lokuthintela, lunceda ekuchongeni naziphi na iingxaki ezinokubakho nge-insulation kwaye luvumela ukuba kuthathwe amanyathelo okulungisa ngexesha elifanelekileyo, ngaloo ndlela kwandiswe ubomi benkonzo ye-transformer.

Izinto Ezichaphazela Ukusebenza Kokugquma

Izinto ezininzi zinokuchaphazela ukusebenza kobushushu bee-transformers ezintywilisiweyo kwi-oyile, nto leyo echaphazela ukuthembeka kwazo kunye nobude bazo. Iimeko zendalo, ezifana nobushushu, ukufuma, kunye nongcoliseko, zinokuba nefuthe elikhulu kwiimpawu zobushushu ze-transformer. Amaqondo obushushu aphezulu anokukhawulezisa ukonakala kwezinto zobushushu, ngelixa ukufuma okugqithisileyo kunokukhokelela ekungeneni komswakama, okubeka emngciphekweni amandla e-dielectric ye-insulation. Ungcoliseko, kuquka uthuli, ityuwa, kunye nezinto ezingcolisayo zeekhemikhali, lunokonakalisa ubushushu kwaye ludale iindlela ezihambayo phakathi kwezinto zombane, nto leyo enokubangela ukuphazamiseka kombane.

Ngaphezu koko, uxinzelelo lwe-voltage olufunyanwa zizinto zokufaka ubushushu luyinto ebalulekileyo ekumiseleni ukusebenza kwazo. Ii-transformers ze-voltage eziphezulu zifuna ukhuselo oluqinileyo noluqinileyo ukuze zimelane noxinzelelo lombane olukhulayo. Ngokufanayo, uxinzelelo lwe-mechanical oluvela kwiisekethe ezimfutshane kunye neziganeko zexeshana zinokuchaphazela ukuthembeka kokhuselo, zifune uvavanyo olucokisekileyo kunye novavanyo ukuqinisekisa ukuthembeka kwe-transformer.

Uyilo kunye nokwakhiwa kwe-transformer, kubandakanya ukulungelelaniswa kweekhoyili, izixhobo zokufaka ubushushu, kunye nenkqubo yokupholisa, nazo zinokuchaphazela ukusebenza kwe-insulation. Izinto ezifanelekileyo zokuqwalasela uyilo, njengokukhetha izixhobo zokufaka ubushushu ezifanelekileyo kunye neendlela zokupholisa, zinokuphucula iimpawu ze-insulation ze-transformer kwaye ziphucule ukuthembeka kwayo iyonke.

Ukuqukumbela, ukuqonda izinto ezahlukeneyo ezichaphazela ukusebenza kwe-insulation kubalulekile ekugcineni ukuthembeka kunye nobude bexesha le-transformers ezintywilisiweyo kwi-oyile. Ngokujongana neemeko zokusingqongileyo, i-voltage, kunye ne-mechanical, kunye nokuqinisekisa uyilo olufanelekileyo kunye nolwakhiwo, abaqhubi be-transformer banokuphucula iipropati ze-insulation kwaye bandise ubomi benkonzo ye-transformers zabo.

Isiphelo

Iimpawu zokuthintela ukugquma kwee-transformers ezintywilisiweyo kwioyile zibalulekile ekuqinisekiseni ukusebenza ngokukhuselekileyo nangokuthembekileyo kweenkqubo zamandla ombane. Ukusetyenziswa kwezinto zokuthintela ukugquma ezisebenzayo, kunye novavanyo oluqhelekileyo kunye nokugcinwa, kubalulekile ekugcineni ukuthembeka kwenkqubo yokuthintela ukugquma ye-transformer kunye nokwandisa ubomi bayo benkonzo. Ngokuqonda izixhobo ezisetyenzisiweyo, iindlela zokuvavanya, kunye nezinto ezichaphazela ukusebenza kokuthintela ukugquma, abaqhubi banokulawula ii-asethi zabo ze-transformer ngokukhutheleyo kwaye banciphise umngcipheko wokungaphumeleli okunxulumene nokuthintela ukugquma.

Ngamafutshane, ukufakelwa kwe-insulation kwii-transformers ezifakwe kwi-oyile kufuna ingqalelo enonophelo ukuqinisekisa ukusebenza kwayo. Nokuba kubandakanya ukukhetha izixhobo ezifanelekileyo zokufakelwa kwe-insulation, ukwenza uvavanyo olucokisekileyo, okanye ukujongana neemeko zokusingqongileyo kunye noyilo, ukubeka phambili iimpawu zokufakelwa kwe-insulation kubalulekile ekusebenzeni kwexesha elide kwee-transformers ezifakwe kwi-oyile. Ngokuhlala unolwazi kwaye usebenza ngokuzikhandla ekulawuleni ukufakelwa kwe-transformer, abaqhubi banokuphucula ukuthembeka kwee-transformers zabo kwaye banegalelo kuzinzo olupheleleyo lweenkqubo zamandla ombane.