Isiguquli sohlobo olomile sisho isiguquli samandla esi umongo namajika ayo angacwiliswanga kumafutha avikelayo futhi amukela ukupholisa kwemvelo noma ukupholisa komoya. Njengomshini wokusatshalaliswa kwamandla aphuma sekwephuzile, isetshenziswe kabanzi ezinhlelweni zokudlulisa amandla nezinguquko kumaworkshop efektri, izakhiwo eziphakeme kakhulu, izikhungo zezohwebo, izikhumulo zezindiza, amadokhu, imigwaqo engaphansi, amapulatifomu kawoyela nezinye izindawo, futhi ingahlanganiswa nokushintshwa. amakhabethe ukuze akhe isiteshi esincane esiphelele esihlangene.
Njengamanje, ama-transformer amaningi ohlobo olomile awuchungechunge lwe-SC olunezigaba ezintathu oluqinile, njengalezi: SCB9 uchungechunge lwezigaba ezintathu eziguquguqukayo, i-SCB10 uchungechunge lwezigaba ezintathu ze-foil transformers, i-SCB9 uchungechunge lwezigaba ezintathu ze-foil transformers. Izinga layo lamandla kagesi livamise ukuba ku-6-35KV, kanti umthamo omkhulu ungafinyelela ku-25MVA.
■ Izinhlobo zezakhiwo zama-transformer ohlobo olomile
1. Uhlobo oluvulekile: Kuyifomu elivame ukusetshenziswa. Umzimba wayo uthintana ngqo nomkhathi. Ilungele izindawo zasendlini ezomile futhi ezihlanzekile (lapho izinga lokushisa le-ambient lingama-degree angu-20, umswakama ohlobene akufanele udlule u-85%). Ngokuvamile kunezindlela ezimbili zokupholisa: ukuzipholisa komoya kanye nokupholisa umoya.
2. Uhlobo oluvaliwe: Umzimba usegobolondweni elivaliwe futhi awuxhumani ngqo nomkhathi (ngenxa yezimo ezingezinhle zokuvala uphawu kanye nokukhipha ukushisa, usetshenziswa kakhulu ezimayini futhi awukwazi ukuqhuma).
3. Uhlobo lokulingisa: Ukusakaza nge-epoxy resin noma amanye ama-resin njenge-insulation eyinhloko, inesakhiwo esilula nosayizi omncane, futhi ifanele ama-transformer anomthamo omncane.
■ Izindlela zokupholisa zama-transformer ohlobo olomile
Izindlela zokupholisa zama-transformer ohlobo olomile zihlukaniswe zibe ukupholisa komoya kwemvelo (AN) nokupholisa umoya okuphoqelekile (AF). Uma ipholile ngokwemvelo, i-transformer ingasebenza ngokuqhubekayo isikhathi eside kumthamo olinganiselwe. Lapho kusetshenziswa ukupholisa komoya okuphoqelekile, amandla okukhipha i-transformer anganyuswa ngo-50%. Ilungele ukusebenza kwesikhashana kokugcwala ngokweqile noma ukusebenza ngokugcwala okuphuthumayo; ngenxa yokwanda okukhulu kokulahlekelwa komthwalo kanye ne-impedance voltage ngesikhathi sokulayisha ngokweqile, isesimweni sokusebenza okungezona ezomnotho, ngakho-ke akufanele kuvunyelwe ukusebenza ngokuqhubekayo isikhathi eside.
■ Izinhlobo zama-transformer ohlobo olomile
1. Iziguquli zohlobo ezomile ezifakwe emoyeni ezifakwe ngaphakathi: Okwamanje, azivamile ukusetshenziswa. I-insulation ye-conductor evunguzayo kanye nesakhiwo sokufakwa kwe-insulation ikhethwa ezintweni zokufakelwa zamabanga ahlukene ukumelana nokushisa ngokwezidingo zokwenza i-Class B, i-Class F kanye ne-Class H yokufaka ama-transformer ohlobo olomile.
2. I-epoxy resin cast i-dry-type transformers: Izinto zokufakelwa ezisetshenziswayo i-polyester resin ne-epoxy resin. Njengamanje, ama-cast insulation power type dry-type ngokuvamile asebenzisa i-epoxy resin.
3. I-insulation egoqiwe yohlobo olomile: Iziguquli ezigoqiwe zohlobo olomile nazo ziwuhlobo lokufakwa kwe-resin. Njengamanje, bambalwa abakhiqizi.
4. Ama-transformer ahlanganisiwe ohlobo olomile:
(1) Amawindi ane-voltage aphezulu asebenzisa ukufakwa kwe-cast cast, futhi ama-low-voltage windings asebenzisa i-impregnated insulation;
(2) Amandla kagesi aphezulu asebenzisa ukufakwa kukagesi, kanti amandla kagesi aphansi asebenzisa amanxeba okusonta ngocwecwe lwethusi noma ucwecwe lwe-aluminium.
■ Yiziphi izinzuzo zama-transformer ohlobo olomile uma kuqhathaniswa nama-oyili acwiliswe ngamafutha?
1. Abaguquli bamandla ohlobo olomile bangagwema ingozi yomlilo nokuqhuma kwamafutha e-transformer ngenxa yokwehluleka ngesikhathi sokusebenza. Njengoba izinto zokufakelwa kwe-transformer zohlobo olomile ziyizinto ezivimbela ilangabi, ngisho noma i-transformer ihluleka ngesikhathi sokusebenza futhi ibangela umlilo noma kukhona umthombo womlilo wangaphandle, umlilo ngeke unwetshwe.
2. Iziguquli zamandla ohlobo olomile ngeke zibe nezinkinga zokuvuza kukawoyela njengama-transformer acwiliswe uwoyela, futhi ngeke kube nezinkinga ezifana nokuguga kukawoyela we-transformer. Imvamisa, ukusebenza, ukugcinwa nokulungiswa kabusha komsebenzi wama-transformer kagesi ohlobo olomile kuyehla kakhulu, futhi akunakekelo.
3. Iziguquli zamandla ohlobo olomile ngokuvamile ziyimishini yasendlini, futhi zingenziwa ngaphandle ezindaweni ezinezidingo ezikhethekile. Ingafakwa ekamelweni elilodwa nekhabhinethi yokushintsha ukuze kuncishiswe indawo yokufaka.
4. Njengoba ama-transformer amandla ohlobo olomile angenawo uwoyela, anezesekeli ezimbalwa, awekho amakhabhinethi okugcina amafutha, izindiza zokuphepha, inani elikhulu lama-valve nezinye izingxenye, futhi azikho izinkinga zokuvala.
■ Ukufakwa nokusetshenziswa kwama-transformer ohlobo olomile
1. Ukuhlola ukupakisha ngaphambi kokufakwa
Hlola ukuthi iphakheji iphelele yini. Ngemuva kokukhipha isiguquli, hlola ukuthi idatha ye-nameplate ye-transformer ihlangabezana yini nezidingo zokuklama, kungakhathaliseki ukuthi imibhalo yefekthri iphelele, noma ngabe i-transformer iqinile, noma ngabe kunezibonakaliso zokulimala kwangaphandle, noma ngabe izingxenye zisusiwe futhi zonakalisiwe, noma ngabe ukusekelwa kukagesi noma izintambo zokuxhuma zonakalisiwe, futhi ekugcineni uhlole ukuthi izingxenye ezisele zonakele futhi zifushane.
2. Ukufakwa kwe-Transformer
Okokuqala, hlola isisekelo se-transformer ukuze uhlole ukuthi ipuleti lensimbi elishumekiwe lisezingeni yini. Akufanele kube nezimbobo ngaphansi kwepuleti yensimbi ukuze kuqinisekiswe ukuthi isisekelo se-transformer sinokuphikiswa okuhle kokuzamazama komhlaba nokusebenza kokumuncwa komsindo, ngaphandle kwalokho umsindo we-transformer efakiwe uzokwanda. Bese, sebenzisa i-roller ukuhambisa i-transformer endaweni yokufaka, susa i-roller, futhi ulungise ngokunembile i-transformer endaweni eklanyelwe. Iphutha lezinga lokufaka lihlangabezana nezidingo zedizayini. Ekugcineni, shisela izinsimbi ezine zamashaneli amafushane epuleti lensimbi elishumekiwe, eduze namakhona amane esisekelo se-transformer, ukuze i-transformer inganyakazi ngesikhathi sokusetshenziswa.
3. Izintambo ze-Transformer
Uma ufaka izintambo, ibanga elincane phakathi kwezingxenye ezibukhoma kanye nezingxenye ezibukhoma ukuya phansi kufanele kuqinisekiswe, ikakhulukazi ibanga ukusuka kukhebula ukuya kukhoyili yamandla kagesi aphezulu. Ibha yebhasi yevoltage ephansi yamanje ephezulu kufanele isekelwe ngokuhlukene futhi ayikwazi ukuminyaniswa ngokuqondile kutheminali ye-transformer, ezodala ukushuba okukhulu kwemishini kanye netorque. Lapho i-current ingaphezu kuka-1000A (njengebha yebhasi engu-2000A low-voltage esetshenziswa kule phrojekthi), kufanele kube nokuxhumana okuguquguqukayo phakathi kwebha yebhasi kanye netheminali ye-transformer ukuze kunxeshezelwe ukunwetshwa nokufinyela okushisayo kwe-conductor futhi kuhlukanise ukudlidliza. webhasi kanye ne-transformer. Izixhumi zikagesi endaweni ngayinye yokuxhuma kufanele zigcine ingcindezi yokuxhumana edingekayo, kanye nezinto ezinwebekayo (njengamasongo epulasitiki amise okwediski noma amawasha asentwasahlobo) kufanele asetshenziswe. Lapho uqinisa ama-bolts wokuxhuma, kufanele kusetshenziswe isikrufu se-torque.
4. Isisekelo se-Transformer
Iphuzu eliphansi le-transformer lingaphansi kwe-low-voltage side, futhi ibholidi ekhethekile yokumisa iholelwa ngaphandle nesikhungo sokumisa esimakwe kuso. Isisekelo se-transformer kufanele sixhumeke ngokuthembekile ohlelweni lokuvikela oluvikelayo ngaleli phuzu. Lapho i-transformer ine-casing, i-casing kufanele ixhunywe ngokuthembekile ohlelweni lokubeka phansi. Uma uhlangothi lwe-low-voltage luthatha isistimu yezintambo ezine zezigaba ezintathu, umugqa ongathathi hlangothi kufanele uxhunywe ngokuthembekile ohlelweni lokuphansi.
5. Ukuhlolwa kwe-Transformer ngaphambi kokusebenza
Hlola ukuthi zonke izinto zokubopha zixega, ukuthi uxhumano lukagesi lulungile futhi luthembekile, ukuthi ibanga lokuhlukanisa phakathi kwezingxenye ezibukhoma nezingxenye ezibukhoma phansi liyahlangabezana yini nemithetho, akufanele kube khona izinto zangaphandle eduze kwe-transformer, futhi indawo yekhoyili kufanele. hlanzeka.
6. Ukuthunyelwa kwe-Transformer ngaphambi kokusebenza
(1) Hlola isilinganiso se-transformer neqembu lokuxhuma, linganisa ukumelana kwe-DC kwamajika kagesi aphezulu naphansi, bese uqhathanisa imiphumela nedatha yokuhlola yasefekthri enikezwe umenzi.
(2) Hlola ukumelana nokushisa phakathi kwamakhoyili namakhoyili phansi. Uma ukumelana ne-insulation kuphansi kakhulu kunedatha yokulinganisa ifektri yemishini, kubonisa ukuthi i-transformer inomswakama. Uma ukumelana nokushisa kungaphansi kuka-1000Ω/V (i-voltage yokusebenza), i-transformer kufanele yomiswe.
(3) I-voltage yokuhlola yokuhlolwa kwamandla kagesi kufanele ihambisane nemithethonqubo. Lapho wenza ukuhlolwa kwe-voltage ephansi ukumelana ne-voltage, inzwa yezinga lokushisa i-TP100 kufanele isuswe. Ngemuva kokuhlolwa, inzwa kufanele ibuyiselwe endaweni yayo yasekuqaleni ngesikhathi.
(4) Uma i-transformer ifakwe isiphephetha-moya, isiphephetha-moya kufanele sivulwe futhi siqinisekise ukuthi sisebenza ngendlela evamile.
7. Ukusebenza kwesivivinyo
Ngemuva kokuthi i-transformer isihlolisiswe ngokucophelela ngaphambi kokuba isebenze, ingavulwa ukuze isebenze. Ngesikhathi sokusebenza kwesilingo, ukunakwa okukhethekile kufanele kukhokhwe ekuhloleni amaphuzu alandelayo. Ukuthi kukhona imisindo engajwayelekile, imisindo nokudlidliza. Ukuthi kukhona iphunga elingavamile njengephunga elishisayo. Ukuthi kukhona ukushintsha kombala ngenxa yokushisa kwendawo. Ukuthi umoya wokungenisa umoya muhle yini. Ngaphezu kwalokho, kufanele kuqashelwe amaphuzu alandelayo.
Okokuqala, nakuba ama-transformer ohlobo olomile amelana kakhulu nomswakama, ngokuvamile ayizakhiwo ezivulekile futhi asakwazi ukungenwa umswakama, ikakhulukazi ama-transformer ohlobo olomile akhiqizwa ezweni lami anezinga eliphansi lokufakelwa (ibanga eliphansi lokufakelwa). Ngakho-ke, ama-transformer ohlobo olomile angafinyelela ukuthembeka okuphezulu kuphela lapho esebenza kumswakama ohlobene ongaphansi kwama-70%. Ama-Dry-type transformer kufanele futhi agweme ukuvala isikhathi eside ukugwema umswakama obunzima. Uma inani lokumelana nokufakwa kwe-insulation lingaphansi kuka-1000/V (i-voltage yokusebenza), kusho ukuthi i-transformer inomswakama kakhulu futhi ukusebenza kwesilingo kufanele kumiswe.
Okwesibili, i-transformer yohlobo olomile esetshenziselwa ukukhuphuka eziteshini zamandla ihlukile kune-transformer ecwiliswe ngamafutha. Akuvunyelwe ukusebenzisa uhlangothi lwe-voltage ephansi kumjikelezo ovulekile ukuze kugwenywe ukugcwala ngokweqile ohlangothini lwegridi noma ukushaywa kombani kulayini, okungase kubangele ukuhlukaniswa kwe-transformer yohlobo olomile. Ukuze ugweme ukulimala kokudluliswa kwe-overvoltage, isethi yezibambisi zokuvikela i-overvoltage (njengezibambisi ze-zinc oxide Y5CS) kufanele zifakwe ohlangothini lwebhasi le-voltage le-transformer yohlobo olomile.
Isikhathi sokuthumela: Sep-03-2024