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Indlela yokusingatha ukusebenza okungavamile kwama-transformer?

Ngokushesha nje lapho i-transformer ivuliwe, kuzwakala umsindo ozwakalayo, ikakhulukazi ngenxa yomphumela we-high-voltage magnetic flux. Ngesikhathi sokusebenza okuvamile, umsindo we-transformer ufana. Uma kuneminye imisindo, imbangela kufanele iphenywe ngokucophelela futhi kubhekwane nayo.


Novemba 14, 2023

INGXENYE 1. Umsindo we-transformer awujwayelekile

Ngokushesha nje lapho i-transformer ivuliwe, kuzwakala umsindo ozwakalayo, ikakhulukazi ngenxa yomphumela we-high-voltage magnetic flux. Ngesikhathi sokusebenza okuvamile, umsindo we-transformer ufana. Uma kuneminye imisindo, imbangela kufanele iphenywe ngokucophelela futhi kubhekwane nayo.

    


01 Umsindo we-01 transformer ukhuphuka uma uqhathaniswa nokujwayelekile, futhi umsindo ufana, okungenzeka kube ngenxa yezizathu ezilandelayo:

(1) I-overvoltage ivela kugridi yamandla. Lapho ukubekwa phansi kwesigaba esisodwa noma i-resonant overvoltage kwenzeka kugridi yamandla, umsindo we-transformer uzokwanda. Uma lesi simo senzeka, ukwahlulela okuphelele kungenziwa ngokusekelwe kunkomba ye-voltmeter.

(2) Uma i-transformer igcwele ngokweqile, izokwenza umsindo onzima "wokubhuza". Uma umthwalo we-transformer udlula inani elivumelekile lokulayisha ngokweqile, umthwalo we-transformer kufanele uncishiswe ngokuvumelana nemithetho yesayithi.

Isixazululo: Hlaziya imbangela, gcina amarekhodi, uqinise ukuqapha, futhi ubuyisele ukusebenza okuvamile kwe-transformer ngokushesha ngangokunokwenzeka. Uma kubangelwa ukugcwala ngokweqile, umgomo wokwelashwa ogcwele kakhulu uzolandelwa.


02 I-Transformer inomsindo

Kungenzeka ukuthi ukudlidliza kubangelwa ezinye izingxenye ezixekethile ku-transformer. Uma umsindo we-transformer ukhula kakhulu futhi kungabikho ukungavamile okusobala okwamanje kanye ne-voltage, kungase kube ngenxa yokuxegiswa kwezinsimbi zangaphakathi noma izikulufu ezicindezela umgogodla wensimbi, okubangela ukwanda kokudlidliza kweshidi lensimbi ye-silicon.

Indlela yokuphatha: Uma ingaphazamisi ukusebenza kwe-transformer, ingashiywa ingelashwa okwesikhashana. Gcina amarekhodi, uqinise ukuqapha, ubike kwabathunyelwe kanye nabaholi abafanelekile ukuze kuhlolwe ukuphela kukagesi kanye nokusingatha.


03 I-Transformer inomsindo wokuphuma

I-transformer inomsindo wokukhipha "ophumayo". Uma kukhona i-corona eluhlaza okwesibhakabhaka noma inhlansi eduze kwe-transformer bushing ebusuku noma esimweni sezulu sezulu, kubonisa ukuthi izingxenye ze-porcelain zingcoliswe kakhulu noma ikhadi lomugqa wezinto zokusebenza alixhumani kahle. Uma ukukhishwa kwangaphakathi kwe-transformer kubangelwa ukukhishwa kwe-electrostatic kwezingxenye ezingagxiliwe noma ukuphenduka kwekhoyili ukuze kuphendule ukukhishwa, noma ukukhipha ngenxa yokuthintana okungalungile kwesishintshi sompompi.

Isixazululo: Kuleli qophelo, ukuthunyelwa kanye nabaholi abafanelekile kufanele kubikwe ukuthi bafake isicelo sokuhlolwa kokunqamuka kukagesi kanye nokuphathwa kwe-transformer.

 

04 I-Transformer inomsindo ophumayo

 Uma i-insulation ngaphakathi noma ebusweni be-transformer iphukile, i-transformer kufanele imiswe ngokushesha ukuze ihlolwe.

 

05 I-Transformer inomsindo wamanzi abilayo

Uma kukhona umsindo wamanzi abilayo ku-transformer, futhi izinga lokushisa lishintsha ngokushesha futhi izinga likawoyela likhuphuka, kufanele libhekwe njengokushisa okungathi sína okubangelwa isifunda esifushane ku-transformer winding noma ukuthintana okungalungile komguquli wempompi. I-transformer kufanele imiswe ngokushesha ukuze ihlolwe.

 

 


INGXENYE. 2 Ukushisa kwamafutha aphezulu aphezulu

Ngokuvamile, izinga lokushisa eliphezulu likawoyela we-transformer lidinga ukutholwa ngesikhathi sokusebenza, futhi izinga lokushisa lomoya lilawulwa ngokuqapha izinga lokushisa eliphezulu likawoyela ukuze kuvinjwe izinga lokufakwa kwalo ekunciphiseni nasekugugeni. Ngaphansi kwezimo ezijwayelekile zokulayisha nokupholisa, uma izinga lokushisa likawoyela we-transformer liphakeme kunokuvamile lingaphezu kuka-10 ℃ noma umthwalo we-transformer uhlala ungashintshiwe, futhi izinga lokushisa likawoyela liyaqhubeka nokukhuphuka. Uma imiphumela yokuhlola ifakazela ukuthi idivayisi yokupholisa isesimweni esihle futhi ithemometha ayinalo iphutha, kucatshangwa ukuthi i-transformer ibe namaphutha angaphakathi (njengomlilo we-iron core kanye ne-winding inter turn short circuit). Ngalesi sikhathi, i-transformer kufanele imiswe ngokushesha ukuvimbela ukwanda kwezingozi ze-transformer.

 

 

INGXENYE. 3 Umbala wamafutha ongajwayelekile

Ngokuvamile, uwoyela we-transformer kufanele ube ophuzi okhanyayo futhi obala. Uma umbala wamafutha kugeji yezinga likawoyela ushintsha ngesikhathi sokusebenza, kufanele kuthintwe ukuze kuthathwe isampula likawoyela ukuze kuhlaziywe elabhorethri. Uma umbala wamafutha we-transformer uwohloka ngokuzumayo ngesikhathi sokusebenza, futhi kukhona ikhabhoni emafutheni nezinye izinto ezingavamile, amandla kufanele anqunywe ngokushesha ukuze ahlolwe futhi aphathwe.

 

 

INGXENYE 4 Izinga likawoyela elingejwayelekile

Isilondolozi sikawoyela se-transformer sifakwe igeji yezinga likawoyela, ngokuvamile ebonisa imigqa yeleveli kawoyela emithathu emazingeni okushisa angu--30 ℃,+20 ℃, kanye+40 ℃. Ngokusekelwe kulezi zimpawu ezintathu, kunganqunywa ukuthi kuyadingeka yini ukufaka uphethiloli noma ukudonsa amanzi.

 

01 Izinga eliphezulu likawoyela:

Lapho izinga likawoyela we-transformer lisebenza liphezulu kakhulu noma amafutha aphuphuma ku-conservator, kubalulekile ukuhlola kuqala ukuthi umthwalo nokushisa kwe-transformer kuyinto evamile. Uma umthwalo kanye nezinga lokushisa kokubili kujwayelekile, kunganqunywa ukuthi izinga likawoyela wamanga libangelwa ukuvinjelwa kwepayipi lokuphefumula noma i-oil gauge. Kuleli qophelo, ngemvume ye-dispatcher esemsebenzini, ukuvikelwa kwegesi (igesi esindayo) kufanele kushintshwe kusignali, bese umshini wokuphefumula kufanele uvulwe ukuze ucutshungulwe. Uma kukhona ukuchichima kwamafutha avela ku-conservator ngenxa yokushisa okuphezulu kwe-ambient, uwoyela kufanele ukhishwe.

 

02 Izinga likawoyela eliphansi:

Uma izinga lamafutha le-transformer liphansi kakhulu, lizokwenza ukuthi ukuvikelwa kwegesi (igesi elikhanyayo) kusebenze; Uma uwoyela eshoda kakhulu, insimbi kanye namajika asoleka emoyeni, othambekele ekubeni nomswakama futhi kungase kubangele ukonakala. Ngakho-ke, indlela yokujova uwoyela we-vacuum kufanele isetshenziselwe ukugcwalisa i-transformer ekusebenzeni. Uma izinga likawoyela lincipha ngokushesha ngenxa yokuvuza okukhulu kwamafutha, lehla ngaphansi kwe-relay yegesi noma liqhubeka nokuncipha, i-transformer kufanele imiswe ngokushesha.

 



INGXENYE. 5 Ukugcwala

Lapho i-transformer isebenza kakhulu, inkomba ye-ammeter ingase idlule inani elizinzile, futhi amasignali nezinsimbi ze-alamu zingasebenza. Ama-opharetha kufanele alandele izimiso ezilandelayo zokuphatha:

 

01 kufanele ihlole ukuthi ingabe i-current ohlangothini ngalunye iyalidlula inani elishiwo futhi ibike kusiphathimandla esisemsebenzini.


02 Hlola ukuthi izinga likawoyela kanye nezinga lokushisa le-transformer kujwayelekile, bese ufaka wonke ama-coolers asebenze.


03 Lungisa imodi yokusebenza ngesikhathi esifanele, futhi uma kune-transformer eyisipele, kufanele iqale ukusebenza.


04 Xhumana ne-dispatcher ukuze ulungise ukusatshalaliswa komthwalo ngesikhathi esifanele.


05 Uma kuwumthwalo ovamile ojwayelekile, isikhathi sokusebenza esivumelekile singanqunywa ngokusekelwe ekuphindaphindeni kokugcwala, futhi ukuqapha izinga likawoyela nezinga lokushisa kufanele kuqiniswe ukuze kungeqi inani elivumelekile. Uma isikhathi sidlula, umthwalo kufanele uncishiswe ngokushesha.


06 Uma kuwumthwalo oweqile wengozi, ukuphindaphinda okuvumelekile nesikhathi sokulayishwa ngokweqile kufanele kusetshenziswe ngokwemithethonqubo yomkhiqizi. Uma ukulayisha okuningi kanye nesikhathi kudlula inani elivumelekile, ukuhambisana kwe-transformer kufanele futhi kuncishiswe ngokuvumelana nemithethonqubo.


07 Yenza ukuhlolwa okuphelele kwe-transformer kanye nezinhlelo zayo ezihlobene. Uma kukhona okungahambi kahle kutholakala, kufanele kubikwe futhi kusingathwe ngakho.

 

 


Ingxenye. 6 Ukungasebenzi kahle kohlelo lokupholisa

Lapho isistimu yokupholisa ye-transformer (kubhekiselwa empompini kawoyela engaphansi kwamanzi kanye nesistimu yamanzi okupholisa) ingasebenzi kahle futhi isiguquli sithumela izimpawu zokusebenza okulindile kwesipholile kanye nokuvalwa ngokuphelele kwesipholile, lezi zinyathelo ezilandelayo kufanele zithathwe:

 

01 kufanele ihlole ngokushesha ukuthi isipholile esiyisipele siqaliwe yini ukusebenza.


02 Ngokushesha hlola imbangela yokucisha kukagesi bese ubuyisela ukusebenza okuvamile kwedivayisi yokupholisa ngokushesha ngangokunokwenzeka.


03 Qinisa ukuqapha izinga lokushisa eliphezulu likawoyela nezinga likawoyela le-transformer, ikakhulukazi ngesikhathi sokuvala okugcwele kwedivayisi yokupholisa.


04 Uma isistimu yokupholisa ingakwazi ukubuyiselwa isikhashana, isicelo kufanele senziwe ukunciphisa umthwalo noma ukuhoxiswa kwe-transformer ekusebenzeni, ukuze kuvinjelwe i-transformer ukuthi isebenze ngaphezu kwesikhathi esibekiwe sokungapholisi futhi ibangele ukushisa nokulimala.

 

 

 

Ingxenye. 7 Isenzo sokuvikela igesi

Isizathu sesenzo sokuvikela igesi singaba:

 

01 Kukhona iphutha elincane ngaphakathi kwe-transformer engu-01, ekhiqiza igesi ebuthakathaka.

 

02 Umoya uhlasele i-transformer.

 

03 Izinga likawoyela lehlile.

 

04 Iphutha lesibili lesekhethi (elifana namaphuzu amabili okubekwa phansi kwesistimu ye-DC), okubangela ukungasebenzi kahle.

 

Ngemuva kokuvela kwesignali yokuvikela igesi, izisebenzi ezisebenzayo kufanele zihlole ngokushesha ukuhlolwa kwangaphandle kwe-transformer. Okokuqala, izinga likawoyela kanye nombala ku-conservator kufanele kubhekwe, kanye nokuba khona, ubungako, kanye nombala wegesi kusilayidi segesi. Ngemuva kwalokho, umzimba we-transformer kanye nohlelo lokujikeleza kukawoyela okuphoqelekile kufanele kubhekwe ukuthi akukho yini ukuvuza kwamafutha. Ngesikhathi esifanayo, hlola izinguquko zomthwalo, izinga lokushisa, nomsindo we-transformer. Ngemuva kokuhlolwa kwangaphandle, uma kungekho zenzakalo ezingavamile ezitholakalayo, igesi elivela ku-transformer kufanele likhishwe ukuze kunqunywe uhlobo lwegesi. Uma kunesidingo, isampula likawoyela kufanele lithathwe ukuze lihlolwe ukuze kutholakale ngokuhlanganyela uhlobo lwephutha.

 

 

 

Ingxenye. 8 Izindawo kanye nezimbangela zokukhiqiza ukushisa ngesikhathi sokusebenza

 

01 Ukuthintwa okungalungile komshini wokushintsha

Ukuxhumana okungalungile kuholela ekwandeni kokumelana nokuxhumana, ukwanda kokusetshenziswa, nokushisa okukhulu. Lesi simo kungenzeka kakhulu ukuthi senzeke ngemva kokushintsha umpompi nangesikhathi sokusebenza kwe-transformer overload.

 

02 Isekhethi emfishane ye-winding interturn

 I-Interturn short circuit ibhekisela ekulimaleni kokufakwa phakathi kwezintambo eziseduze. Lokhu kuzodala iluphu ye-short-circuit evaliwe futhi kunciphise inani lokujika kokujika kuleso sigaba. Kukhona i-current-circuit current ebangelwa ukushintshashintsha kazibuthe ku-loop yesiyingi esifushane, ezokhiqiza ukushisa okuphezulu futhi engase ibangele ukuthi isiguquli sishise.

 

03 Kukhona isekethe yesekethe emfushane phakathi kwamashidi ensimbi ayi-03 core silicon

 Ngenxa yomonakalo wamandla angaphandle noma ukuguga kokufakwa, ukufakwa kwepende phakathi kwamashidi ensimbi ye-silicon konakalisiwe, okungakhuphula ama-eddy currents futhi kubangele ukushisa kwasendaweni. Ezimweni ezimbi kakhulu, kungabangela nokulimala kokuncibilika, okubizwa ngokuthi i-iron core fire.

 

04 Ukushisa ngokweqile kwendawo okubangelwa ukuthintana kabi nezinye izingxenye

Iziphakamiso zokuphatha: qapha ngokucophelela izinguquko zokushisa zezingxenye ezishisiwe kakhulu ukuze uqinisekise ukuphepha kokusebenza, hlaziya izimbangela zokushisa, thintana nokuthunyelwa, futhi uphathe ukuphuma kwamandla.







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