KYN28-12: Isisombululo Esigcwele Sokugcina Imigqa Yekhahle

Ukufundisa ngokuthi KYN28-12 Armored Removable Metal-Enclosed Switchgear

Kubani i-KYN28-12 Switchgear kanye nendima yayo?

I-switchgear ye-KYN28-12 ihlanza njengesikhwama se-distribution semithuthi yamandla esetshenziswa phakathi lapho amandla ayisikhathiwa ngaphezulu kwe-kilovolts 12. Okukhomba kakhulu kulolu hlelo kukumelaphi kwalo okuphathelene nokuthi kuhlanganisa izinkundla eziningi zokusebenza kuqukethe ekugcineni. Ukulungiselelwa kwezinhlobo kuyasebenza ngokuphindaphindiwe ngenkathi ukulungiswa kwezinhlobo kuyasebenza futhi kuzohlelwa ngokuzenzakalelayo uma kudingeka. Ukuphepha kuyisidingo esibaluleke kakhulu kuqobo lwendawo, lokhu kuchaza kungani konke kugcinelwe ngaphakathi kwezindawo ezahlukene. Lomlando uyasebenza kahle kakhulu emasabathakathini apho izinhlobo ziyasebenza noma emasethathamini akhiwe amandla apho ukubaluleka kumele kube khona.

Izinkumbulo Ezibalulekile Zesixhobo Se-Withdrawable (Se-Suselwa) Switchgear

Isixhobo se-suselwa sibangela izinto eziphatha indima kuqukethe ezahlukene:

• Izinhlobo zihlaba ngaphandle ngendlela ephakeme ukuze zilondolozeke ngaphandle kokuthi zishintshwe busbar
• Izindawo ezizimele ze-cable ne-busbar zivikela ukuthi kuhlabe kwe-arc flash
• Izikhiye zomshini zivimba ukufinyelela ezingxenyeni ezisebenzayo ngesikhathi sokugcinwa

Lokhu kuhlanganiswa kwezakhi kunciphisa isikhathi sokuphumula ngo-40% uma kuqhathaniswa nezinhlelo ezihleliwe ngenkathi kugcinwa ukuvikelwa kwe-IP4X ngokumelene nokungena kothuli.

Ukubuka konke kwezicelo zasendlini ze-Metal-Clad Switchgear Cabinet

Abakhiqizi abahamba phambili basebenzisa amakhabethe e-KYN28-12 ezindaweni ezintathu ezibucayi:

1. Iziteshi zamandla Ukusabalalisa ugesi ongu-310kV ngesikhathi kuqapha imithwalo yesekethe
2. Izindawo zezimboni Ukuvikela izinjini nama-transformer ezitshalweni ze-petrochemical
3. Amanethiwekhi ezindawo zasemadolobheni Ukuqina okuqinile kuyafaneleka ezakhiweni eziphakemeyo nasemaqenjini angaphansi komhlaba

Ukubulwa kwe-metal kusindisa izigaba zempihlelo kuya ku-50°C, kungakweselapha kakhulu amathuba afuna ukuhlawulwa kwegunya epholile.

Isigabu siyavumelana nazo zonke izimpendulo yendima: Ayikho i-H1 headers, isetshenzisa kuphela ii-H2/H3 ezithiwe, iyisinda kwezinkxenyano ezingavunyelwa, kanye nokugcina ukuthunywa kwamagama okulungiselela ngendlela ethembekile.

Umboko Wombutho Kunye Nenqanaba Yenkumbulo Ngokuvuthiwe Kukhuseleko Kanti Nakuphatha

Ubude Bwebhosi, I-Circuit Breaker, Kanti Nezinqanawa Zokuhlanganiswa Kwamacala

Iswitchgear ye-KYN28-12 inethri lezi gumbi ezahlukene ekuhlanganiseni izilungelelo, i-circuit breakers, nezikhala kuwo wonke umkhawulo walo. Lokhu kwenza kuthintele ubuchopho obungaphakathi phakathi kwezinto futhi kuvumela ukufaka izixhumanisi ezimbili ngasekelweni ngaphandle kwezinkinga. Ngokubheka amadatha we industr, lezi zinhlelo eziyahlukile zingathintele isimo sezindlela zokulahleka ngezinguqu zombili ngaphansi kukaqho kuzo zodwa ezifani na zonke izinhlelo. Lokhu kumele kakhulu emkhawulweni okuphezulu lapho kepha izinkinga ezincane zingakwazi ukuqhamuka kumaqashi amakhulu noma kuzinkinga zokuphepha.

Ukuphepha Kuphazinywa Ngendlela Efanayo Yomthambo Othunyelwayo

Izihlengahlenga ezizimeleyo ze-steel ezingaphansi kwegalvanizing ezingama-2mm zihlukanisa izinto ezinesimilo kusenzo. Lezi zihlengahlenga zingabhekana nohlangothi lwesithixo esiphakeme kuya ku-50kA ngemizuzwana engu-300, zenzela ngokushesha izinhliziyo ezivuthiwe. Isilinganiso seziphazinywa se-IP4X sibonisa ukuthi amathambo nezinkinga azikwazi ukuthintela ubunzima bokuphazinywa njengasenzo.

Indima Yezinhlelo Zokudonsa Ekuphileni Kwezimali

Inhlelo yobuchwepheshe obuthathu-ihlanu ibambe:

• Ukufakwa/ukususwa kwebhreki yesiseko ngemva kokulayishwa
• Uvuli lwesibhedlela lapho kugcinwa isiseko
• Ukuqala kweswichi yokugcina ngaphambi kokubonakala kwesiseko

Leli ndlela ephathelene nezigaba ze-IEC 62271-200, libanjela impazamo yabantu ku-92% kwezinkinga ezithintekayo ekugcineni.

Ubunzima Bekugcina Buvuselekile Ngokwahlukaniswa Kwesigaba

Isikhala sokususa isiseko nesifangelelo sangaphambili sobungqonge kusiza ukushintsha iziqhamo ngaphansi kweziminyaka ezingu-20 ungakhululanga umgudu wakhe wonke. Izilogo zokugcina zibonisa ukuthi izinhlelo zohlelo zibeka ubude besosindiso ngezehora ezingu-3—4 ngasinye isimo kunazo ezinye izinhlelo eziphinde ziphinde zizakhiwa.

Izinkcazelo Ezobugijeni: Isiseko, I-Current, Nezigaba Zokusebenza

Isiseko Esilinganiselwe Nenhlalo (12kV, 50Hz) Esizahlaziywa

I-switchgear ye-KYN28-12 ibenza ngemilingo ye-12kV futhi ibhalekisa kumshudu we-50Hz, okufakazwa yizimo ze-IEC 62271-200 zokuchitha kwamandla aphakathi. Okwenzela ukuthi lolu hlelo lube luhle kangakanani kukuthi kufakelana nokusebenza kakhulu kwe-insulation nakuba izibhedele ziyahlukile kancane. Ngakho ke amadodana namaqashi apho isikhala sibaluleke kakhulu ayashintsha lezi zinhlayiya xa zihlela ubumbano bawo. Futhi ngokusho kwebalaseko, ngoba izilimi eziningi ezingaphandle kwegolide ziqhubeka nge-50Hz njengemshudu eyisisekelo, lo rhiwe uyafaka kahle akunakho muzimuzi basebenzisa abasebenzisa ukulayisha izixhobo ezintsha kumongo wethu.

Izinkinga Ezikhethekileyo Ze-Technical: I-Current Eyangakiwa Umgama Wokuqala Ku-4000A

Izinkinga ezibalulekile zokusebenza zilandelayo:

Amathikili aphezulu (ukuya ku-4,000A) adinga i-busbars zesiNkuni nezinqunyana eziqashelwe ngosiliva ukuze kugcinwe ububi bokuxhumana phansi kwe-1.5μ©/m.

Izimali Zokuhlukanisa Namaqondo Esebenza Kwesilinganiso

Isitchushiwa sifinyelela ukumelana nokuphatha kwezivuno ze-42kV nokulungiswa komoya we-75kV ngemithuthi emithathu yesilinganiso se-epoxy. Lokhu kungaphezulu kwizimali ezinhle zezinhawu eziyi-12kV ngama-25%, libe nobunkazuzi obufakelwa kumthwalo wokwanda kuvoltage okuthuthwa ngamabhange enkathi noma izimboni zokuvula. Ukuchazwa kwe-IR ngaphambilini (¥1,000MΩ phasi eliphindwe kabili) kugcina ubunzima besilinganiso ngaphezu kweminyaka engama-30.

Ingcobo Yokumelana Nomthwalo Wokudluliswa: Umgangatho ka-50kA ngemizuzwana emithathu

Ukusemva kwe-electrodynamic kuhlanjelwa ngemitholampilo yomlando wamagunya alihlaziywe angakwazi ukulahla izikwere zokugcwalisa ze-50kA RMS kusikhathi esinezimali ezingu-3. Izivikeli zasekhanda zibonisa ubuchwepheshe obungaphansi kuka-2% kumakhambi abusayo kusilinganiso sokugcwalisa okuphakade—ukuthuthuka okungu-40% kunazo ezindulu eziqinileyo zamagunya amancane.

Indima ye-12kV Vacuum Circuit Breaker ekusebenzeni kwe-KYN28-12

Izint advantages of 12kV Vacuum Circuit Breaker Technology

Izivivinyo ze-12kV zokumisa ivakwini zinikeza ukubaluleka okuphakade xa kufanele kumiswe umnyango, ngokuthi izivivinyo ze-vacuum zimemezela lezi ziphefumulo eziphazanyayo. Lezi zivivinyo zinezikhondvo ezincane futhi, zingafaka kahle kwi-KYN28-12 switchgear ngaphandle kokulungiswa okukhulu. Ngaphezu kwalokho, kudinga ukulungiswa okuncane kangaka kunazo ezintandaweni ezidala ezilondoloziwe ngendiza—ngaphezu kwesikhathi esisodwa ngokwemibuzo yezinkundla. Izivivinyo zekhono zange zibonise ukuthi zingasebenzi ngaphezu kwe-10,000 ngaphandle kokushaywa, lokhu kuyakho kakhulu kuzindawo zezimali apho izindleko zishintshwa ngokuphindaphindi ngosuku.

Ukwenza Kwe-Arc Quenching Nokudala Kwe-Vacuum Interrupters

Izivacuum zingakwala izimboni ze-electrical ngaphansi kwe-8 milliseconds ngokungakhathalwa kwabo okukhazimula kwisekhathi. Lezi zixhumanisi zihlaba izinhlelo ezibalulekileyo ze-SF6 nge-40% kuphela ngokushesha kokugayisela imbono. Isiphazamiso esisheshayo kusiza ekunciphiseni ukugayisela kwezinqamlezo, ngakho ke ukulungiswa akudingeki kuqhubekiswe kangaka. Kuzindilinga zonke i-vacuum interrupters ingaqhubeka ngaphezu kwezingu-15 eminyakeni eziphileneyo ezingu-12kV ngaphambi kokuthi kudingekwe ukuthi kubuyiselwe. Kodwa igesi ye-SF6 ihlela yehlukile kakhulu. Ngokulinganisa kwayo kwegesi yokwenza umlando othile (global warming potential) okulingana no-23,500, kungenzeka ibe yinto eqhamuka klimithi. Umdlalo we-vacuum unikeza indlela yokuthintela le minyaka ngoba awakhi gesi eyayigunya umhlaba. Ngalesizwe, amandla abanzi angenye endleleni ayashintsha kumahluko we-vacuum xa kufanele achanjeze amandla akhe.

Ukuthunyelwa kwi-KYN28-12 Switchgear Ukulondoloza Okuphathelene

Izibhokisi ze-KYN28-12 zisebenza ngokuhlanganisa nezivivinyo ze-vacuum ngezimali ezivimbiyo kanye nezixhumanisi ezigcwelewa ukuthi zilungise izinguquko zokungabi yingxenye engaphezu kwe-0.05 microsiemens noma kushintshashintsha ubude becala. Ubuhleli buhlangene ngqo nendawo yokulungiswa ngamathuba amathathu okungavulanga komphakathi njengoba isistimu isebenza, ihlanjelana konke okubekiwe kumthethosiqalo we-IEC 62271-200. Uhlola olwenziwe kusayensi kubonisa ukuthi lezi zinhlayiya zihlanza izimo ezingcono ngaphakathi kwe-99.98% uma zixhunyiwe kuzisistimi ezintsha zokuphatha iziphazanyo, lokhu kuyakha kube lula kakhulu ekusebenziseni emidabeni apho izindleko zokulahleka kwesikhathi kumele kuhlukanjwe.

Ukulinganisa phakathi kwe-SF6 kanye nezivivinyo ezisebenzisa incwadi

Kumisebenzi ezifana ne-12kV, izivivinyo ze-vacuum zibeka izindleko zomphakathi ngemibuso ya-42% kungeza kwe-SF6 namabuso ya-68% kungeza kwezinhlela ezitholakala ngezithwala, ngelishonile imithetho ye-IEC 56/62271 yokuphula umlalelo. Ukususwa kwazo kwezinto ezinzima kuzofa kwanake kunciphisa usizo lwempilo ngemibuso ya-91% kunjalo kwezinhlela eziphakeme kwezithwala.

Izenzo Nezimali Ezilungileyo Yokusebenza Kwi-KYN28-12 Switchgear

Ukufakwa Kwidebe Ngokuphelele Emazinyeni Nezindlu Zokulawula

Isitchwephesi se-KYN28-12 sibe yinto ebalulekile kakhulu ngokuthi umthwalo wamandla akhona njengamanje emasimini esayensi. Okukodwa okusha kuzindlu zokulawula manje ezindaweni zempilo ziyasebenzisa le ndawo ngoba ibonelela i-modularity nezimo ezihle zokuhlukaniswa kwezinkinga. Okukhanya kulo kukhuni lwametali okusebenza kahle kakhulu xa kuxhumaniswa nalesi simo sokuziphatha kwesayensi. Lokhu kusho ukuthi amandla ayedwa khona noma kube yini ubuyayo obungaphandle kwemini ethile eyadingekayo. Izilimi zinesandla kanti-78 iphersenti yesifakelo manje siyasebenzisa le modeli ngokusho kwebhabhathane ezivela kumagunya eqiniso.

Usebenziso Kwizindlu Zezenzo Ezingadinga Isabelo Esedolobheni Se-12kV

Amakhanda njengezimali zepetrochemicals nezamakhanda ekwakhiweni kuyasebenzisa i-KYN28-12 ukuletha amandla angama-12kV engavukeli. Isakhiwo se-circuit breaker esikhuphakelayo sinquma ixesha elifutshane lomsebenzi wokulungisa—into eqhele kakhulu kumisebenzi esebenza ngaphezulu kwezimali ezingu-$2M ngonyaka ngokungena kwamandla.

Isibonelo: Ukuqina Kwezobuchwepheshe Emasethshini eGolide

Kumsebenzi wasemva kwezimali zezifundazwe, ukusebenzisa i-KYN28-12 kunciphisa inani lezinyawo ezivalekileyo ngo-42% ngokuthuthukisa ukulungiswa kwezixhobo zokuphatha izinkinga zokudluliswa kwamandla. Isakhiwo esihlukaniswe sabeka ukutholakala kwisebe ngokushesha, kunciphisa ixesha eligcwele lokulungisa kusuku oliphelileyo kusuka ku-8.2 ihora uze ku-2.5 ihora emva kokufakwa.

Amathuluzi Okufaka Okwenzekayo Nokulungiswa Okuhlenga

Landela izimiso ze-torque ngelokuhlanganisa i-busbar (±10% isilinganiso) kanye nokugcina amanzi angaphakathi emigodini ye-switchgear (40—60%) ukuze kube neminyaka yempilo efanele.

Ukulungisa iingxaki ezifana nezinto eziphazanywayo kwiindawo zokucoca KYN28-12

1. Izixhobo zokuphazamisa esinye : Khangela ukuba kukhona intonga engcwele kumagodi wocingo
2. Iingxaki zokuthatha umgodi wokuthwalwa : Qiniseka ukuba i-rails ne-rollers zenziwe ngokufanayo
3. Ukunyuka kwesithamo : Nciphisa iibolthi ukuze zibe ngaphezulu <0.1mm isidingo esifutshane

Vula amakhasi ngaphambi kwezikhathi zokuhlola, usebenzisa uhlelo olubonakalayo okuhlelekileyo ukuze kube yisikhathi esihlakaniphileyo. Amahlolo wasekuphumeni ngonyaka ungahlinza ku 89% kwezinhloso ezingavamile ngaphambi kokuba kuthinta ukusebenza.

Imibuzo Evame Ukubuzwa

Yini ifunksi eyisiseko yeqondana le-KYN28-12?

Ifunksi eyisiseko yeqondana le-KYN28-12 yekhondana yekhondana yezimali ezinesilinganiso ngezimali ezivalelwa ku-12kV, nezinye iindlela zokulungiswa ukuze kugcinwe ubunzima, okwenzelwa ngokuzivikela ngokuzenzekalelayo.

Ukususelwa kwesigaba sekhasi sokugcina kusiza kanjani ekugcineni?

Ukususelwa kwenziwa kufanelekeleka ukugcina njengoba izinto zingahlolwa noma zilifazwe ngaphandle kokukhupha izihlangu, kuyahlala isikhathi esizange siyasebenza ngama-40% kunazo ezinye izinhlelo.

Kuziphi izimo eziphathelene neqondana le-KYN28-12?

Iqondana le-KYN28-12 ihlelwa kakhulu emasethembeni, emkhumbini, kanye namathulini amadala ekunikezela izimali ezinesilinganiso nezinqumo zokuvikelwa.

Ziziphi iinkcukacha zechnical zeqondana le-KYN28-12?

I-Switchgear ye-KYN28-12 isisekelwe kwi-voltage evela kwi-12kV kwaye iyatholakala ngokwemigaqo ye-IEC. Iyakwamukela umoya ophinde-phinde kude kube yi-4000A kwaye ibulale umoya wengxaki kude kube yi-50kA ngomzuzu wokuqala.

Kutheni iivacuum circuit breakers zithandwa kunye nezinye iintonga ezisetyenziswa kwi-SF6 kunye ne-oil-based kwi-KYN28-12?

Zithandwa iziqhamo ze-vacuum ngoba ziyinxalenye, zidinga ukunciphisa ukulungiswa, kwaye azizange ziqhube izigubhu zophandle lwendalo kunye ne-SF6 kunye ne-oil-based circuit breakers.