Muaj kwv yees li ob txoj kev ntawm arc extinguishing rau fuses.
Ib qho yog muab cov yaj mus rau hauv cov yeeb nkab insulating kaw, uas yog ua los ntawm qee cov khoom siv muaj zog. Cov khoom no tuaj yeem decompose ntau cov pa roj nyob rau hauv qhov kub thiab txias ntawm arc, uas tuaj yeem tsim kom muaj kev kub siab hauv cov yeeb nkab kom compress cov arc thiab ua rau kom muaj peev xwm gradient ntawm arc, thiaj li ua tiav lub hom phiaj ntawm arc extinguishing. Lub siab ntawm cov pa nruab nrab muaj qhov cuam tshuam zoo rau arc deionization. Vim hais tias, qhov siab dua cov pa roj, qhov ntau dua qhov concentration ntawm cov khoom hauv arc, qhov me me ntawm qhov deb ntawm cov khoom, qhov muaj zog dua cov nyhuv recombination, thiab qhov yooj yim ntawm arc yuav tua. Nyob rau hauv lub tshuab nqus tsev siab, qhov kev sib tsoo dissociation yog txwv vim qhov txo qhov tshwm sim ntawm kev sib tsoo, thaum cov nyhuv diffusion muaj zog.
Lwm qhov yog tias cov yaj yog ntim rau hauv ib lub raj yaj nrog insulating xuab zeb muab tub lim (xws li quartz xuab zeb). Thaum lub melts disconnects Circuit Court los tsim ib qho arc, cov xuab zeb insulating tuaj yeem nqus lub zog ntawm arc, thiab cov hlau vapor tuaj yeem tawm mus rau hauv qhov khoob ntawm cov xuab zeb, kom cov yaj tuaj yeem txias sai sai kom ua tiav lub hom phiaj ntawm arc. tua hluav taws. Lub arc yog tswj los ntawm thermal dissociation. Txo qhov kub ntawm lub arc tuaj yeem ua rau cov thermal dissociation tsis muaj zog thiab txo cov tiam tshiab ntawm ions. Nyob rau tib lub sijhawm, cov lus tsa suab nrawm ntawm cov khoom raug txo qis, thiab cov nyhuv recombination tau ntxiv dag zog. Lub arc kub tuaj yeem txo tau los ntawm kev ua kom ntev ntev ntawm arc, tshuab lub arc nrog roj lossis roj, lossis ua rau arc sib cuag nrog cov khoom nruab nrab. Cov yam ntxwv ntawm qhov nruab nrab nyob rau hauv uas lub arc hlawv txiav txim siab qhov kev siv ntawm de dissociation nyob rau hauv lub arc mus rau ib tug loj npaum li cas.
Tsis tas li ntawd, kev sib cuag ntawm fuse feem ntau yog ua los ntawm tooj liab alloy uas tsis tshua muaj kev tiv thaiv, thiab cov khoom siv sib txuas kuj tseem cuam tshuam rau cov txheej txheem deionization. Thaum qhov kev sib cuag tau txais kev kub siab resistant hlau nrog siab melting point, zoo tshav kub conduction thiab loj tshav kub muaj peev xwm, lub kub electron emission thiab hlau vapor nyob rau hauv lub arc raug txo, uas yog conducive rau lub arc extinction.