Khoom
Nqus interrupter rau MV VCB (ceramic plhaub, Rated voltage: 7.2kV-12kV)
Cov lus piav qhia luv luv ntawm cov khoom:
Tam sim no chopping nyob rau hauv lub tshuab nqus tsev Circuit Court breaker nyob ntawm lub vapor siab thiab lub electron emission zog ntawm cov khoom tiv tauj.Lub chopping theem kuj cuam tshuam los ntawm thermal conductivity - qis dua thermal conductivity, qis dua yog qib chopping.
Nws tuaj yeem txo qis tam sim no ntawm qhov kev sib tsoo tshwm sim los ntawm kev xaiv cov khoom sib txuas uas muab cov hlau vapor txaus kom tso cai rau tam sim no los rau tus nqi qis heev lossis xoom tus nqi, tab sis qhov no tsis tshua ua vim nws cuam tshuam rau lub zog dielectric. .
High insulating zog: Nyob rau hauv kev sib piv rau ntau lwm yam insulating xov xwm siv nyob rau hauv Circuit Court breaker nqus tsev vacuum yog ib tug superior dielectric nruab nrab.Nws yog qhov zoo dua li txhua lwm yam xov xwm tshwj tsis yog huab cua thiab SF6, uas tau ua haujlwm ntawm kev kub siab.
Thaum lub arc qhib los ntawm kev sib cais cov neeg sib cuag hauv lub tshuab nqus tsev, kev cuam tshuam tshwm sim ntawm thawj qhov tam sim no xoom.Nrog rau kev cuam tshuam arc, lawv lub zog dielectric nce mus txog tus nqi ntawm ntau txhiab lub sijhawm piv rau lwm cov breakers.
Ua tib zoo mloog
(1) Kev ntsuas los tiv thaiv overvoltage.Lub tshuab nqus tsev Circuit Court breaker muaj kev ua haujlwm zoo.Qee lub sij hawm thaum tawg inductive load, siab overvoltage yog generated ntawm ob qho kawg ntawm inductance vim hloov ceev ntawm lub voj tam sim no.Yog li ntawd, rau cov tshuab ziab khaub ncaws qhuav thiab lwm yam khoom siv uas tsis tshua muaj kev tiv thaiv hluav taws xob, nws yog qhov zoo tshaj rau nruab cov khoom tiv thaiv overvoltage, xws li hlau oxide ntes.
(2) nruj me ntsis tswj cov load tam sim no.
Lub peev xwm dhau ntawm lub tshuab nqus tsev vacuum yog qhov tsis zoo.Txij li thaum thermal rwb thaiv tsev yog tsim los ntawm kev sib cuag thiab lub plhaub ntawm lub tshuab nqus tsev Circuit Court breaker, lub tshav kub ntawm kev sib cuag thiab cov pas nrig conductive feem ntau kis raws tus pas nrig conductive.Txhawm rau ua kom qhov kev ua haujlwm kub ntawm lub tshuab nqus tsev twj tso kua mis tsis pub tshaj tus nqi tso cai, nws txoj haujlwm tam sim no yuav tsum nruj me ntsis txwv kom qis dua qhov ntsuas tam sim no.
