Isebenza kanjani i-transformer egcwele uwoyela?

2024/09/15

Isebenza kanjani i-transformer egcwele uwoyela?


Ama-transformer ayingxenye ebalulekile yengqalasizinda yamandla, esiza ukunyusa ama-voltage phezulu noma phansi ukuze kube lula ukudluliswa nokusabalalisa ugesi ngendlela efanele. Olunye uhlobo oluvamile lwe-transformer i-transformer egcwele amafutha, esebenzisa uwoyela njengendlela yokupholisa kanye ne-insulating medium. Kodwa i-transformer egcwele amafutha isebenza kanjani ngempela, futhi yini eyenza ihluke kwezinye izinhlobo zama-transformer? Kulesi sihloko, sizohlola ukusebenza kwangaphakathi kweziguquli ezigcwele uwoyela, kusukela ezingxenyeni zazo eziyisisekelo ukuya ekusebenzeni kwazo, ukugcinwa kwazo, nokunye okwengeziwe.


Okuyisisekelo Kweziguquli Ezigcwele Uwoyela

Ama-transformer agcwele uwoyela, awaziwa nangokuthi ama-liquid-filled transformer, awuhlobo lwesiguquli sikagesi esisebenzisa uwoyela njengendawo yokuvikela nokupholisa. Idizayini egcwele uwoyela inikezela ngezinzuzo ezimbalwa, kufaka phakathi ukusebenza okuphezulu kwe-thermal, amandla amahle kakhulu we-dielectric, kanye nezakhiwo zokuziphilisa. Ama-transformer agcwele uwoyela ajwayele ukusetshenziswa ezinhlobonhlobo zezinhlelo zokusebenza, okuhlanganisa ukusatshalaliswa kwamandla, izikhungo zezimboni, neziteshi ezisetshenziswayo.


Izingxenye eziyisisekelo ze-transformer egcwele uwoyela zihlanganisa umongo, ama-windings, kanye namafutha afaka insulating ngokwawo. Umgogodla ngokuvamile wenziwe ngensimbi yezinga eliphezulu futhi inikeza indlela yokuguquguquka kazibuthe. Ama-winding, ahlanganisa ama-conductor avaleleke, ayasongelwa phakathi nendawo ukuze akhe insimu kazibuthe futhi adlulise amandla esuka kwelinye ijika aye kwelinye. Amafutha afaka i-insulating awagcini nje ngokuhlinzeka ngogesi kagesi kodwa futhi asiza ukuqeda ukushisa okukhiqizwa ngesikhathi sokusebenza.


Ukusebenza Kweziguquli Ezigcwele Uwoyela

Ukusebenza kwe-transformer egcwele uwoyela kuqala ngokusetshenziswa kwe-alternating current (AC) ekujikeni okuyinhloko. Njengoba i-AC current igeleza endaweni yokusonta okuyinhloko, idala inkambu kazibuthe eshintshayo enkabeni. Le nkambu kazibuthe eshintshayo idala i-voltage ekujikeni kwesibili, okunganyuselwa phezulu noma phansi ngokusekelwe enanini lamajika ekujikeni ngakunye.


Njengoba i-transformer isebenza, ingqikithi nama-windings ihlangabezana nokwakheka kokushisa ngenxa yokulahleka kukagesi. Amafutha avikelayo adlala indima ebalulekile ekuqedeni lokhu kushisa, ngaleyo ndlela agcine i-transformer ngaphakathi kwemingcele yayo yokushisa. Ngaphandle kokushisa kokushisa, amafutha okuvikela aphinde anikeze amandla e-dielectric, ukuvimbela ukuphuka kukagesi phakathi kwama-conductor kanye nezindawo.


I-Insulating Oil Kuma-Transformer Agcwele Uwoyela

Uwoyela ovikelayo osetshenziswa kuma-transformer agcwele uwoyela ngokuvamile uwoyela wamaminerali, ohlinzeka ngezinto ezinhle kakhulu ze-dielectric kanye ne-high-thermal conductivity. Amandla aphezulu e-dielectric kawoyela avimbela ukuwohloka kukagesi ku-transformer, kuyilapho ukuqhutshwa kwayo okushisayo kusiza ukudlulisa ukushisa kude nomgogodla kanye nama-windings.


Isici esisodwa esibalulekile samafutha e-insulating yikhono lawo lokuziphilisa. Lapho ukukhishwa kukagesi kwenzeka ngaphakathi kwe-transformer, amanani amancane kawoyela ayahwamuka futhi akhe amagesi afana ne-hydrogen ne-methane. Ngokuhamba kwesikhathi, la magesi aphinde ahlangane ukuze avuselele uwoyela we-insulating, alungise ngokuphumelelayo noma yimuphi umonakalo obangelwa ukukhishwa kukagesi.


Ukugcina ukusebenza kahle kwe-transformer egcwele uwoyela, kubalulekile ukuhlola njalo uwoyela we-insulating ukuze uthole imingcele efana namandla e-dielectric, okuqukethwe komswakama, ne-acidity. Ukwengeza, isampula likawoyela ngezikhathi ezithile nokuhlaziya kungasiza ekuboneni izinkinga ezingaba khona ngaphambi kokuthi ziholele ekwehlulekeni kwe-transformer.


Amasistimu Okupholisa Kuma-Transformer Agcwele Uwoyela

Ukuze kuqinisekiswe ukusebenza kahle nokuphila isikhathi eside, ama-transformer agcwele uwoyela afakwe izinhlelo zokupholisa ezisiza ukuphatha izinga lokushisa likawoyela we-insulating kanye ne-transformer iyonke. Kunezindlela ezimbalwa ezijwayelekile zokupholisa ezisetshenziswa kuma-transformer agcwele uwoyela, okuhlanganisa ukuguquguquka kwemvelo, umoya ophoqelelwe, nokujikeleza kukawoyela ngempoqo.


Ukupholisa i-convection yemvelo kuncike ekujikelezeni kwemvelo kwamafutha avikelayo ngaphakathi kwethangi le-transformer. Njengoba amafutha emunca ukushisa okusuka kumongo namajika, ancipha kancane futhi akhuphuke aye phezulu ethangini, lapho ekhulula ukushisa emoyeni ozungezile. Amafutha apholile abe esebuyela phansi ethangini ukuze aqedele umjikelezo. Nakuba ukupholisa kwe-convection yemvelo kulula futhi kuthembekile, kungase kungafaneleki iziguquli zamandla aphezulu ezidinga ukupholisa okusebenza kahle kakhulu.


Ukupholisa komoya okuphoqelekile, ngakolunye uhlangothi, kusebenzisa amafeni noma izifutha ukuze kuqondise umoya ongaphandle endaweni engaphandle yethangi le-transformer, kube lula ukudluliswa kokushisa kusuka kuwoyela kuya emoyeni. Le ndlela ivame ukusetshenziswa kuma-transformer amancane futhi inikeza isisombululo esingabizi kakhulu sokulawula ukuchithwa kokushisa.


Okokugcina, ukupholisa ukujikeleza kwamafutha okuphoqelekile kuhilela ukusetshenziswa kwamaphampu ukuze ujikeleze uwoyela we-insulating ngokusebenzisa izishintshi zokushisa zangaphandle, lapho zingapholiswa khona ngomoya noma ngamanzi. Amafutha apholile abe esebuyiselwa ethangini le-transformer ukuze aphinde umjikelezo wokupholisa. Le ndlela ivame ukusetshenziswa kuma-transformer amakhulu futhi inikeza ukulawula okunembile phezu kwezinga lokushisa likawoyela we-insulating.


Ukucatshangelwa Kwesondlo Nokuphepha

Ukugcinwa okufanele kanye nokucatshangelwa kokuphepha kubalulekile ekusebenzeni okuthembekile nokuphephile kwama-transformer agcwele uwoyela. Ukuhlolwa okuvamile kwe-transformer, okuhlanganisa ukuhlolwa okubonakalayo kanye ne-thermographic, kungasiza ukukhomba noma yiziphi izimpawu zokushisa ngokweqile, ukuvuza kukawoyela, noma ezinye izinkinga ezingaba khona. Ukwengeza, ukuhlolwa ngezikhathi ezithile kwamafutha okuvikela ukushisa, njengoba kushiwo ngaphambili, kubalulekile ekuhloleni isimo sawo nokuqinisekisa amandla afanele we-dielectric.


Ukucatshangelwa kokuphepha kwama-transformer agcwele uwoyela kuhlanganisa nezinyathelo zokuvimbela ukuvuza kukawoyela, imililo, nokungcoliswa kwemvelo. Izinyathelo ezanele zokuvimbela kanye nokuvimbela ukuchitheka kufanele kube khona ukuze kuncishiswe umthelela wokuchitheka kukawoyela. Ngaphezu kwalokho, izinhlelo zokuvikela umlilo, njengezithiyo zomlilo kanye nezinhlelo zokucindezela ezizenzakalelayo, zingasiza ukunciphisa ubungozi bomlilo ohlobene ne-transformer.


Sengiphetha, ama-transformer agcwele uwoyela ayingxenye ebalulekile yokusabalalisa amandla kanye nezicelo zezimboni, ezihlinzeka ngokuguqulwa kwamandla kagesi okusebenzayo nokuthembekile. Ukusebenzisa kwabo uwoyela we-insulating njengendlela epholile kanye ne-dielectric medium kubenza bakwazi ukusebenza kahle kakhulu futhi bamelane nobunzima bokusabalalisa amandla kagesi. Ngokuqonda izimiso eziyisisekelo zokusebenza, izidingo zokulondoloza, nokucatshangelwa kokuphepha, kungenzeka ukuqinisekisa ukusebenza kwesikhathi eside nokuphepha kwama-transformer agcwele uwoyela ezinhlelweni ezihlukahlukene.

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