Okwangoku, abaguquli bamandla abomileyo base-China ikakhulu banezigaba ezithathu ezomeleleyo ezenza uthotho lwe-SC, ezinje nge: SCB9 uthotho lwesigaba sesithathu esisezantsi sombane, i-SCB10 uthotho lwesigaba esithathu sombane sombane. Uluhlu lwe-6-35kV, ubuninzi ukuya kuthi ga kwi-25MVA. Isiguquli esomileyo ikakhulu sahlulwe sangena sombane esomileyo kunye nentlaka eyomileyo sombane.
1. Uhlobo olomileyo lwesiguquli
Ucingo lwesixhobo esiguquliweyo esomileyo e-China sigutyungelwe ngocingo lweglasi, kwaye iphedi iyashushu icinezelwe ngezinto ezifanelekileyo zokwambathisa. Isetyenziswa ikakhulu kwizikhululo zombane kunye nakwizakhiwo eziphakamileyo ezinokumelana kakuhle nomlilo.
Ngenxa yomehluko wokumitha ipeyinti, i-transformer insulation ihlukaniswe ngo-B, F, H, C, eyona nto iphambili kunye nkqo yokugquma (eyona nto iphambili phakathi kokujija nokubhijela naphakathi kokujija kunye nokugquma okungundoqo.
Ukugquma nkqo kubhekisa kugqogqo phakathi kwamanqaku ahlukeneyo kunye neendawo ezahlukeneyo zesiguquli ezinamajelo ahlukeneyo, ikakhulu kubandakanya ukusebenza kwe-insulation phakathi kokujika, iileya kunye namacandelo omoya ojikelezayo.
Olu hlobo lwesiguquli luchaphazeleka kwindalo esingaphezulu kohlobo lwentlaka eyomileyo, ukuvela kunye nobunzima nazo zinkulu, iziphumo ekhaya nakumazwe aphesheya zihlala zinciphisa.
Kukho amatywina esiphelo kuzo zombini iziphelo zomoya, ungoyiki ukuhamba kwamanzi, ukumelana nomlilo ngamandla, ukuthintela umlilo kumlilo ovulekileyo kwi-750 ℃, luhlobo olutsha lwesiguquli esomileyo. Imveliso ekhokelela kwisiguquli inokuhlulahlulwa ngokwamacandelo amathathu alandelayo.
Uhlobo lokuqala, ekubhekiswa kulo njengombane wenkunkuma eyahlulayo, ivolthi ephezulu kukucinywa kwesilinda, ivolthi ephantsi yicilinda yenxeba (okanye isilinda esahlulwe); Li Qian, Shaanxi Electric Power Electric (group) Co., LTD. Qaphela ukuba akukho nto iphoswayo.
Uhlobo lwesibini, ekubhekiswa kulo njenge-foil-inxeba ekhupha isiguquli.
Uhlobo lwesithathu, uxinzelelo oluphezulu lwentambo yokuqhekeza isilinda esityibilikayo, uhlobo lwefoyile yoxinzelelo lobhedu (okanye ifoyile yealuminium) uhlobo olucekeceke;
Ezi ndidi zintathu zingasentla zeemveliso zineempawu zazo ekuvelisweni nasekusebenzeni kweemveliso, kwaye ngoku zihlala kwisabelo esithile semarike kwintengiso. Kule nqaku, sigxila kwingxoxo yenxeba yocingo yokugalela iinguqu.
2. Ucingo lwenxeba sombane sombane
2.1. Iimpawu zesakhiwo
Kwisityalo samandla sesibini saseBaoji, kwiphondo laseShaanxi, iiguquli ezomileyo ezisetyenzisiweyo efektri zonke zijijelwe ziingcingo ezihambisa umbane, ngombane we-6 kV, umthamo we-100 kVA ukuya kwi-1600 kVA, kunye nofakelo lwangaphakathi.
Iintsimbi eziphezulu nezisezantsi zemveliso zenziwe ngocingo lobhedu, inxeba ngokupheleleyo, iglasi ifayibha eqinisiweyo, ukwambathisa okubhityileyo, i-resin ngaphandle kokugcwalisa, ukugalelwa okugalelweyo phantsi kombuso, kwaye inyange ngokungqinelana neqondo lobushushu elithile eliphilisayo.
Ombane aphezulu jiko isebenzisa isakhiwo itankana ekhethekileyo yezahlulo, kwaye ombane asezantsi jiko isebenzisa multi-umaleko uhlobo isilinda, uhlobo isilinda ngokwahlukana okanye uhlobo ekhethekileyo isilinda zahlukaniswe ngokwenqanaba ombane.
2.2 Iimpawu zobuGcisa
Ukuchaphazeleka kwenxeba yocingo lokuchithwa kwetransformer ye-hv ejijayo isebenzisa ulwakhiwo olukhethekileyo lwe-cylindrical yecandelo, olu lwakhiwo lusekwe kwicandelo eliqhelekileyo lokusongelwa kwebhabin, uhlobo oluqhelekileyo lwecandelwana lesilinda bobabini bazuze njengelifa i-bobbin ejija ukumelana nefuthe, kwaye isombulule umaleko we-bobbin oyinki ephezulu Amandla ombane phakathi kokungqubana, sisakhiwo esifanelekileyo sokubhijela, ihlala ibizwa ngokuba sisakhiwo esingajikeleziyo.
Xa kuthelekiswa nesilinda esahlukiweyo esiqhelekileyo, isilinda esahlulwe ngokukodwa sinokuqhubeka nokunciphisa amandla ombane phakathi kwamanqanaba, ukuphucula ukuhanjiswa kwamandla ombane, kunye nokuphucula kakhulu amandla eempembelelo ukumelana nokugubungela umoya ojikeleze umhlaba kunye nokusebenza kombane.
Uxhathiso lwempembelelo aluhambelani kuphela nolwakhiwo lwamajiko-jiko, kodwa luxhomekeke nakwimigangatho yokuphamba yentsimbi kunye neempawu zombane zezinto zokwambathisa.
Emva kokujijelwa kwemveliso kugqityiwe, ithululelwa nge-resin ecocekileyo kwimeko ye-vacuum, kwaye akukho fayilthi eyongeziweyo, ukwenzela ukuba ukusebenza kwe-resin kungancitshiswa.
Kwaye ngenxa yokuba jiko lenzelwe ngocingo, i-resin inokugcwalisa ngokupheleleyo ukubhijela, akunamsebenzi kwicala le-axial okanye ye-radial ye-jiko, kwaye akukho bubble ngaphakathi.
Abstract: Eli phepha lazisa udidi kunye neempawu zesiguquli esomileyo, kwaye lijolise kulwakhiwo lweempawu zocingo zokugalela isiguquli, iinkcukacha zobuchwephesha, inkqubo yokupholisa, inkqubo yolawulo lobushushu njalo njalo, isishwankathelo sethemba lophuhliso lwesiguquli esomileyo. eyomileyo isiguquli; ucingo inxeba eyahlulayo sombane sombane.
Nentlaka kunye neglasi ifayibha iqulunqwe yokugquma eqinileyo, hayi kuphela elungileyo ukuxhathisa ifuthe, kunye obhobhozayo zasekuhlaleni zincinci kakhulu.
2.2.2. Amandla oomatshini alungileyo kunye nokumelana okufutshane kwesekethe. Uhlobo olujikelezayo lwe-cylindrical yocingo lokubhijela, emva kokugalela i-vacuum, i-resin inokuntywila phakathi kwamanqanaba, ukujika kunye namacandelo e-jiko ngexesha elinye.
Emva kokuphilisa, i-resin, i-wire kunye ne-fiber fiber zihlanganiswe ngokuqinile ukuze zenze isakhiwo somzimba esomeleleyo esomeleleyo.
I-coefficient yokwandiswa kwe-thermal yezinto ezidibeneyo zokukhusela izinto ezenziwe ngokunyanga i-resin kunye neglasi yefayibha (18 ~ 20) × 10-6 / K, kunye ne-coefficient yokwandisa ubhedu esetyenziselwa ukujikeleza i-17 × 10-6 / K, ngokusisiseko kufutshane nezi zimbini. Isusa uxinzelelo loomatshini phakathi komqhubi ojikelezayo kunye nezinto zokwambathisa ezibangelwa kukwandiswa kwe-thermal kunye nokubanda okubandayo ngexesha lokusebenza kwesiguquli.Kusuka kwingcambu ukuphelisa ukwenzeka kokuqhekeka.
Njengoko imveliso uphoswa nentlaka koxinzelelo oluphezulu nolusezantsi kwaye isinyithi isalelwe nge-resin, inomswakama oqinileyo kunye nokumelana nokubola.Xa ukufuma komoya kuhambelana ne-100%, isenokuqhuba ixesha elide.
Ngenxa yokuba ubambiso oludityanisiweyo oluqulathe i-resin emsulwa kunye nefayibha yeglasi inamandla aphezulu ombane, ubukhulu bokugquma komphezulu wemveliso yi-1.5 ~ 2 mm kuphela, ethi ibuphucule kakhulu ubushushu bokusasazeka kobuso obujikelezayo.
2.3. Inkqubo yokupholisa kunye nokukhuselwa
Iziguquli ezomileyo zipholile ngumoya wendalo wokupholisa kunye nokupholisa ukujikeleza komoya ukunyanzelwa.Ukupholisa komoya okwendalo kuyamkelwa ukuqinisekisa ukusebenza kwesiqhelo sombane ophantsi komthwalo olinganisiweyo.Iziguquli ezomileyo ezisetyenziswa kwi-baoji No. fan.
Emva kokupholisa ngokujikeleza ngokunyanzelwa komoya, umthamo wenguqu eyomileyo ene-800 kVA nangaphantsi inokunyuswa nge-40%, kwaye leyo yohlobo olomileyo lwesiguquli kunye ne-800 kVA nangaphezulu inokunyuswa nge-50%, kwaye ingaqhubeka ngokuqhubekekayo.
Uhlobo olomileyo lwesiguquli ngokubanzi lukhuseleko lwe-IP00, okt ngaphandle kwegobolondo, ngaphakathi, ukusetyenziswa kwesixhobo samandla sesibini iBaoji kukusetyenziswa kwale ndlela yokukhusela.
Indlu ye-IP20 ithintela ukungena kwezinto eziqinileyo zangaphandle ezingaphezulu kwe-12 mm kwaye inikezela isithintelo kwiindawo eziphilayo.
2.4. Inkqubo yolawulo lobushushu
Ukusebenza okukhuselekileyo nokuthembekileyo kunye nobomi benkonzo yesiguquli samandla ubukhulu becala kuxhomekeke kukhuselo oluthembekileyo noluthembekileyo lwesiguquli sombane. Ubushushu bokusonga okungaphezulu kobushushu bokugquma sesinye sezizathu eziphambili zokuba ubushushu butshabalalisiwe kwaye isiguquli asinakusebenza ngesiqhelo.
SC uthotho wire inxeba eyahlulayo sombane isebenzisa XMTB ulawulo lobushushu yokhuseleko system.A iplatinam thermal ukumelana lobushushu element yokulinganisa ibethelelwe kwi ithuba lokuqala ucingo olusezantsi-ombane zijike ukubhaqa ubushushu ukunyuka jiko, bonisa iqondo lobushushu ezintathu -Isigaba esisezantsi sevolthi yokujija, kwaye sibanike ukhuseleko lobushushu kubo.
Ngotshintsho lweqondo lobushushu kunye nomthwalo, xa i-jiko lifikelela kubushushu obumiselweyo, isilawuli sobushushu siya kuthumela ngokuzenzekelayo umqondiso wokulawula ukuqala kwe fan (110 ℃), isitopu se fan (90 ℃), ialam (120 ℃) kunye nohambo (145 ℃), ukwenzela ukuba imveliso inokukhuselwa okungaphezulu komthwalo ekusebenzeni.
I-SC3 uthotho lwetyhubhu ekubunjweni kwesiguquli sisebenzisa itekhnoloji ye-M & C enelungelo elilodwa lomenzi lokufumana ubushushu kunye nolawulo lwewindows, kwaye ivelise isilawuli sobushushu esinokubona ngokuthe ngqo ubushushu be-windings, kwaye sifezekise ulawulo lokupholisa lomoya olunyanzelekileyo (i-AF). isiguquli.
Emva kokulungisa ukulungiswa kwesiqhelo kwesilawuli sobushushu, isiguquli siqala ukufakwa kwinethiwekhi, emva koko isilawuli sobushushu sinikwe amandla okusebenza. Isilawuli sobushushu sikwimeko yolawulo oluzenzekelayo, kwaye ukufunyanwa kobushushu kunye nokukhuselwa kwesiguquli kuyenziwa. Xa iqondo lobushushu lijiko liphezulu kune-110 ℃, isilawuli seqondo lobushushu siqala ifeni yokupholisa ngokunyanzelwa; Ukuba iqondo lobushushu elijikayo lihla ngaphantsi kwe-90 ℃ phantsi komoya opholileyo, ifeni iyayeka.
Ukuba iqondo lobushushu lijikwa liqhubeke ngokwanda, isilawuli seqondo lobushushu siya kukhupha i-alamu yobushushu (i-155 ℃) kunye nomqondiso wohambo lobushushu (170 ℃). ingaqhubeka nokusebenza, kufuneka kuphela ukubeka esweni kwaye iqinisekise ukuba isiguquli sisebenza kwimeko yesiqhelo.
3. Ukuthelekisa phakathi kwesiguquli esomileyo kunye nesiguquli esine-oyile
Izinto eziluncedo ezibalulekileyo kunye nexabiso eliphantsi lokuguqula amanzi kwi-oyile kunzima ukutshintsha endaweni yezinye iiguquli. .
Kodwa indawo eneemfuno eziphezulu zokukhusela umlilo, uhlobo olomileyo okanye ulwelo olungatshisiyo kunye nesiguquli esingaguqukiyo sombane sisetyenziswa. , ubungakanani bobushushu bukhulu, kwaye ixesha lokujikeleza lihlala likhulu.
Xa kuthelekiswa ne oyile - sombane sombane, imeko yokwambathisa yokusebenza yesomisi esomileyo siphuculwe.
Uluhlu lokuhambisa umbane olomileyo lincinci, ukusebenza ngaphakathi ngaphakathi xa kuthelekiswa neziguquli ezintywiliselwe ioyile, inengxaki yombane ophantsi, umbane weentloko kunye nesitrayikhi esincinci.
Iiguquli ezomileyo zihlala zikhuselwe nge-oxide ye-oxide arresters, engaphelelanga nje ekubalekeni kwe-atmosfera, kodwa ikwacutha nokubaleka kwangaphakathi.
Ixesha Post: Jul-26-2021