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Ukuhlanya kwe-vacuum: isidingo esiphakeme kakhulu sokudlula kwamabhisinesi we-vacuum circuit
Indlela okuhlanganisa kwe-vacuum iyasebenza ukuthi kubhekwe kahle ukuthi kunezindawo zokuhlanya kwe-dielectric ngama-dekade
Kodwa ukuthi isikhathi sokugcina ipresha yendawo ngamaphuzu okungu-10^-2 Pa futhi nangaphezulu kwalokho, izibonelo zokuphuma kwe-electron nezibonelo zokuhlanganisa kwe-ionization, okuzokwenza ukuthi ukugcina ukuthi kungabi nesikhundla, akakwazi ukuthi kuthathe. Kulezi zikhundla zokugcina ukuthi kungabi nesikhundla, umbala phakathi kwemimoya yezinkulungwane ziyisikhundla esihle ukukhombisa ukuthi akukho ukuthi kubhekene nokuthi kungabi nesikhundla. Umgcino wokuthi izicathulo zokugcina ukuthi kungabi nesikhundla (VCBs) ziyakhiwa ukusebenza ngokugcina ukuthi kungabi nesikhundla ngamaphuzu okungu-10^-4 Pa, ziyagcina i-95% yezinhlobo zabo zokugcina ukuthi kungabi nesikhundla emva kwezinsuku ezintathu zeminyaka. Izindaba eziphakeme zokugcina ukuthi kungabi nesikhundla ngamaphuzu amancane ziyinkimbinkimbi yokugcina ukuthi kungabi nesikhundla, ukungabi nesikhundla semimoya yezinkulungwane okufanele ukuthi kuhlanganise, nokuthi kungabi nesikhundla sokugcina ukuthi kungabi nesikhundla. Lezi zikhundla ziyakwazi ukuthi zithathe kuphela uma abakhankasi bavumela izikhundla zokugcina ukuthi kungabi nesikhundla kuzo konke izikhundla zokukhiwa nokusebenza kwesixoxo.
Amashele amahhala-nesithuthi okuhlanganisa ngokuphelele vs. amashele amaglasini-nesithuthi okuhlanganisa ngokuphelele: umphumela kusuku sokusebenza. Ukulangana kwamakhalkhali nezithuthi kuzoba kwezinye izikhathi, kwenziwe ukuthi ukubhala kwehelium kube <10-12 mbar·L/s, okuyisikhathi esingaphezu kwezinkulungwane ezimbili kunezokuhlanganisa ngokuphelele kweglasini. Lokhu yisibonelo esiphambili esikhiyela ukuthi izinto zihlukunyeze kusuku sokusebenza.
Amakhalkhali amahhala, ngaphandle kokwenzeka kwezinye izinto, akakwazi ukuthi kubhekwe ngokuphambuka kwezinhlobo zokugcina ngokuguqula kwesikhathi. Lokhu kusiza ukuthi ukuthi kubhekwe ngokuphambuka kwezinhlobo zokugcina, okuyisibonelo sokuthi ukuthi kubhekwe ngokuphambuka kwezinhlobo zokugcina, akakwazi ukuthi kubhekwe ngokuphambuka kwezinhlobo zokugcina.
Ukuthola ukuthi ivakhuwm kuyisibonelo esiphambili: Kusukela emazibhalweni (10-4 Pa) kuze kubonakala emkhakheni.
Emazibhalweni apho kusetshenziswa ukuthola ukuthi ivakhuwm ngokusebenzisa ukuthola ukuthi ivakhuwm ngokusebenzisa ukuthola ukuthi ivakhuwm, ukuthola ukuthi ivakhuwm kutholwa lapho iphresha ibe ngezinsuku zokuthola ukuthi ivakhuwm. Kodwa emkhakheni, abasebenzi baya kuthola izibonelo ngokwesibonelo, bangabizanga ukuthola ukuthi ivakhuwm ngokusebenzisa ukuthola ukuthi ivakhuwm.
Ukuphakanyiswa kwe-contact resistance okukhulu kune-25% yokuthi kwakhiwe kwanamuhla kubonisa ukuthi kusebenza isilayi sokugcina esiphakathi sesilayi sezinye zezinto ezihlukahlukene ezingaphansi kwezinye zezinto ezihlukahlukene. Ukuthi i-Cu vapor deposition ibonakala kungabonakala ngokubona amadoda amahle emithombo yezinto ezihlukahlukene, okubonisa ukuthi kungaba nokufa kwe-dielectric ngokushesha. Kumaqondo apho ipresha iyakhulisa kune-10^-1 Pa, futhi ngokwenza izindlela zokuguqula, kubonwa ukuphakanyiswa kwezinsuku zokuguqula. Abasebenzi besebenzisa indawo bazobika ukuthi kunezinsuku eziningi zokuguqula ngokwenza izindlela zokuguqula ngale ndawo yepresha. Ukuguqula kwezinsuku zokuguqula kungavame ukuvameka ngokusebenzisa izimboni zokuzivikela zokuzivikela, kodwa abaningi abazizwe abasemthethweni bafunda ukuthi babonelela lezi zimboni ngokubona izinto zabo nezimo zabo ngomnyaka omkhulu.
Ukuphatha Kwesikhathi Sokugcina Ne-Endurance Yekheshini Ngokusebenza Kwe-Vacuum Circuit Breaker
Ukuphela kwemisa ngalokugcina: Imbonakalo yezindaba eziyisikhombisa izinkampani zezinkampani eziningi kune-30,000 futhi iziphakade zalo kubukho kokungafuneki kwezinhlelo zokusebenza
Amagugu okugcina amasiko akhona kakhulu kubonakala kwezinkulungwane zokugcina amasiko, okunqamuka kakhulu kwisikhundla sokugcina amasiko ngokuvutha kusukela eminyakeni yami-1980. Ukuchitha kwezinkulungwane zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko zokugcina amasiko......
Ukukhokha Kwezinkinga Zokugcina Ukubophelela Ngokusebenzisa Ukuchaza Kwemithombo Yomoya
Ukuhlola imisweli yemvelo kwezindawo kungasiza ekuboneni ukuthi izibhokisi zokuvalela ngokuvula kuzimele zihlala njani ngaphambi kokubona ukuthi kunezinkinga, futhi kuyasebenza kubhekisa ukwenza ukulunga kwemikhumbu. Ukuthi kufana nokuthi kusakhe kwezinye izinto kuyenza ukuthi kubekwe kwezindawo zokuphatha okungafanele kuyenza ukuthi kubekwe amaqhina okuhlanganisa emisweli yemvelo. Ngokwesiqhelo esithile esisenzile, sizobona amaqhina okuhlanganisa angaphezu kwe-microamps e-10 ngesibhokisi sokuvula kuzimele esisebenzisa ngokugcwele kwe-80% yovolthi olukhululekile. Lezi ziququzelelo zemisweli yemvelo zihlala phambi kokubona ukuthi kunezinkinga zokuvula kuzimele. Lezi ziququzelelo zemisweli yemvelo ziyabonisa isikhathi esifanele ukuthi abakhethi bakwazi ukulunga izibhokisi zokuvula kuzimele. Ngokuhlola imisweli yemvelo ngamahora, izimpahla zokusebenza kuzimele zingakwazi ukubona izinkinga zemisweli ngama-12 kuze ngama-18 mhla ngaphambi kokuba zibe yizinkinga zokuvula kuzimele ezisingahloliwa. Imisweli yemvelo yamagama ayabonisa ukuthi kunezinkinga zokuvula kuzimele. Amagama akhona ngaphansi kwe-microamps e-5 ayabonisa ukuthi izindawo zokuvula kuzimele zihle. Kodwa, amagama akhona ngokushintshana kakhulu kuyabonisa ukuthi kunezinkinga zokuvula kuzimele. Ukuze kuhlanganise ukusebenza kahle kwezibhokisi zokuvula kuzimele, kufanele kuzilungise kabusha ngaphambi kokuthi kubonwe njengokuthi kunezinkinga zokusebenza.
Ukuphatha Kwemithambo Ne-Insulation Kwezinhlangano Zokuvula Zokugcina I-Vacuum
Ukuphatha kwezinto zokusebenza nokuphatha kwezinto zokugcina kuzo izinto ezimbili ezingafanani. Ukuphatha kwezinto zokusebenza kusukela kubizwa ngokuthi inombolo yezikhathi eziningi okufanele kuzikhiqiza kuzo izinto zokusebenza njengezincwadi nezinkampana kabefore kuzobonakala ukuthi zibhekana noma kuzobonakala ukuthi zinamaphroblemi. Ngaphandle kwalokho, ukuphatha kwezinto zokugcina kubizwa ngokuthi inombolo yeziphetho eziningi okufanele kuzikhiqiza kuzo izinkampana kabefore kuzobonakala ukuthi ukusebenza kwazo kuhle kungabonakala ngokuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonakala ukuthi kuzobonak......
Imiphumela yokungahlela okutholakala ngokuphatha kwezinto ezihlukene: Amaphuzu aqondwa, amaspring asekhale, namapolymers asekhale kwezinkotho
Ngokubeka phakathi kwemisebenzi yokuhlinzeka, izibhokisi zokuvula ngokuphuma kwe-vacuum zizofa kabusha kunezidingo zokufa ngokuphathelene nesibonelo sokuthi kunezinto ezintathu: ukuchitha, amaspring okweshwa, nokuhlukana kwemithombo yokuqinisa. Ngokuphakama kwezinsuku, izilungiselelo ziyachitha, futhi ngokuchitha kuyabuka inkampani eyinkulu yezimboni, okungumthwalo wokugcina umsebenzi wokusebenza ngokushesha kanye nokubangela ukungafani kwezifundo zokulahla. Amaspring atholakala ngokuphinda-phinda ayavula isikhundla sakho, okubangela ukuthi isibhokisi asivuli ngokuphelele ukuze kwenzeke ukuzihlukanisa kwezincwadi ngokusebenza kwezinsuku, okunqoba ukuthi kubhekiswe njengokuthi kuyisibonelo sokuthi isibhokisi sivuli kabusha kunezidingo. Kholwa noma akholwa, izinto ezisemthwakathini ezenziwe ngokusebenzisa izinhlanganisi ezisemthwakathini ezenziwe ngokusebenzisa izinhlanganisi ezisemthwakathini ziyathathwa ngokuphathelene nesimo sezinsuku. Ngaphakathi, izinhlanganisi zokuhlinzeka ziyasebenza ngokuphatha kwezinsuku kanye nokuchitha, okubangela ukuthi kuhlinzeka kwezinhlanganisi zokuhlinzeka ukuthi kungafani nokuthi kuyasebenza ngokuphelele ngokuphatha kwezinsuku. Ngaphezu kwalokho, ukuphatha kwezinsuku kanye nokuchitha kubangela ukuthi kubhekiswe izihlangothi, futhi ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi kubhekiswe ukuthi......
Ukukhokhwa Kweminyaka Yokuziphatha: Ukugcina Kwesibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo Sokubhala Isibonelo......
Ukubheka kwezimo (CBM) usebenzisa izidlalelo zezikhathi zokugcina ukuthi sibuye sibuye sithintele ngokuphambuka kokubheka kwezimo. Izisikhwama zesidlalelo zibheka indlela okubhekwa ngayo amaphetha we-vacuum futhi azidingi ukufinyela kwesixoxo. Ngeminyaka yokusebenza ngokuzimisa, izintechinoloji ezithile (ukuchaza ukuthi amakhodi ayiphakanyiswe ngokuthi amakhodi ayiphakanyiswe) zibheka indlela okubhekwa ngayo ukuthi iziqondiso ziyihlukana noma ziyihlukana. Ukubheka kwezimo zokushisa kuvumela ukuthi sizibone izinkinga zokuxhumana kabefore zibe nzima kakhulu. Umgca wokubhalwa njenge-“Ukuchaza i-vacuum switchgear yezimithi zokubheka kwezimo, ukubheka kwezimo, nokubheka kwezimo” wabonisa ukuthi umthwalo wokubheka kwezimo wabeka ukuthi izifayili ezingavakalanga zizishwe ngeminyaka engu-40%. Izinkinga zihlaziywa kabefore zifike emlandweni wokufayila futhi zisisekelwe izinkinga ezingakhiqizi. I-vacuum pressure nezinhlobo zokusebenza zisetyenziswa ngokubheka kwezimo ukubona ubunzima bezinqulo. Ukusebenza ngaphandle kokubheka kwezimo akuthi ukuthi iziqondiso eziphelele nezilungile ziyisisekelwe zonke isikhathi. Kuyadinga ukuthi izinkinga ezincinci nezamadlinga zihlaziywe kabefore zihlukane ku-zinkinga ezingabiyo. Ubunzima obudingekayo ukusabela kwezinhlobo ukuthi zisebenze ngokwesibonelo buphawuleka ngokubheka kwezimo lapho i-vacuum integrity ne-contact wear zibhekwa ngokulingana nezinhlobo zokusebenza.
Imibuzo Evame Ukubuzwa
Yini indlela eyinkulu yokubambisana kwe-ceramic kanye ne-metal kuma-vacuum circuit breakers?
Indlela eyinkulu yayo iyindlela encane yokufuga kwe-helium ngokulingana noma kungabi noma kwezinye izinkampani zokufugwa ngoglas, okuyizocaphula isikhathi sokusebenza kanye nokuthintana kwezinhlobo zokusebenza kwe-circuit breaker.
Ukuphuma kwezinkqubo zokuphuma kwezinkqubo zokuphuma kuzoba kubonakala kuqala lapho izihlangothi zihlukana. Ukuphuma kwezinkqubo zokuphuma kuzokwenza ukuthwasa kwezihlangothi. Ukujabulisa ukuphuma kwezinkqubo zokuphuma kuzokubonisa ukuthwasa kabusha.
Yini ubukhulu bekubonakalisa imiphumela yokuqondwa (CBM) kuma-vacuum circuit breakers?
Ukuchaza ngokushesha kuyindlela eyinkulu yokubonakalisa imiphumela yokuqondwa (CBM) kuma-vacuum circuit breakers. Ukuchaza imiphumela engeyona yizindlela zokuthwasa kuzokwenza kabusha ngaphambi kokuthwasa kwezinto ezingenakwenzeka. Lokhu kucaphula isibonelo sokuthwasa kwezinto ezingenakwenzeka.