Rau high-voltage lub tshuab nqus tsev Circuit Court breakers uas tsis tu ncua overhauled, muaj cov nram qab no yam:
Cov uas yuav tsum tau kho dua tshiab txhua txhua rau lub hlis yog:
1) Txheeb xyuas qhov pom ntawm qhov kev sib kis ntawm lub tshuab nqus tsev hluav taws xob siab, ntxuav cov plua plav, thiab siv roj; nruj nreem fasteners; xyuas cov kev sib txuas lus los xyuas kom meej qhov kev txhim khu kev qha qhib thiab kaw ntawm Circuit Court breaker; ntxuav lub Circuit Court breaker, Ua kom huv si kom muaj kev nyab xeeb; siv lubricating roj kom lub tshuab hloov tau yooj yim thiab txo kev sib txhuam thiab hnav.
2) Tshawb xyuas seb cov hlau tseem ceeb ntawm lub kauj kaw yog daig, seb lub kaw lub zog puas ua tau raws li qhov yuav tsum tau ua, thiab qhov chaw tuag ntawm qhov ntes (qhov loj dhau qhov chaw tuag yuav ua rau nyuaj rau kev qhib, thiab yog tias nws me dhau, nws yuav yooj yim poob tawm).
3) Pin mob: Seb daim ntawv-zoo li tus pin yog nyias dhau lawm; seb tus ncej puab tus pin yog khoov los yog yuav poob.
4) Tsis muaj: Txawm hais tias lub hydraulic buffer yog cov roj xau, muaj cov roj me me lossis tsis ua haujlwm; seb lub caij nplooj ntoos hlav tsis ua haujlwm.
5) Seb tus tub ntxhais tripping tuaj yeem txav tau yooj yim.
6) Seb puas pom muaj qhov tsis xws luag hauv cov khoom siv rwb thaiv tsev. Yog tias muaj qhov tsis xws luag, siv 2500V shake meter los kuaj cov rwb thaiv tsev los txiav txim seb puas yuav hloov thiab ua cov ntaub ntawv.
7) Siv ob sab caj npab los ntsuas qhov DC tsis kam ntawm qhov hloov tom qab kaw (yuav tsum tsis txhob siab dua 40Ω), thiab ua cov ntaub ntawv, yog tias nws loj dua Ω, lub arc extinguishing chamber yuav tsum tau hloov.
8) Tshawb xyuas seb lub arc extinguishing chamber puas puas lawm, thiab seb cov khoom sab hauv puas muaj kev laus.
9) Tshawb xyuas lub voj voog thib ob thiab ntsuas qhov hluav taws xob tiv thaiv ntawm lub voj voog thib ob.
Cov uas yuav tsum tau kho dua tshiab txhua xyoo yog:
1) Lub sijhawm kaw: DC electromagnetic tsis ntau tshaj 0.15s, lub caij nplooj ntoos hlav lub zog cia tsis ntau tshaj 0.15s; lub sijhawm qhib tsis ntau tshaj 0.06s; lub synchronism ntawm peb qhov qhib yog tsawg dua los yog sib npaug rau 2ms;
2) Lub sijhawm bounce ntawm kev sib cuag ≤5ms;
3) Qhov nruab nrab kaw ceev yog 0.55m / s ± 0.15m / s;
4) Qhov nruab nrab qhib ceev (ua ntej tiv tauj nrog roj tsis) 1m / s ± 0.3m / sc
Txhawm rau ntsuas qhov ntsuas qhov ntsuas hluav taws xob, feem ntau tsuas yog ntsuas lub zog lmin zaus tiv taus qhov hluav taws xob ntawm 42kV, tsis muaj flashover; unconditionally, lub nqus tsev kawm ntawv ntsuas yuav raug tshem tawm, tab sis lub hwj chim zaus tiv thaiv voltage xeem ntawm theem thiab puas yuav tsum tau nqa tawm, thiab 42kV los yog siab dua yog yuav tsum tau (tsis muaj hwj chim zaus tej yam kev mob yuav hloov los ntawm DC). Rau lub tshuab nqus tsev vacuum breakers uas tau siv rau 5-10 xyoo, cov chaw tsim khoom yuav tsum kho qhov kev sib cuag qhib qhov deb, tiv tauj mob stroke, roj buffer tsis stroke, theem chaw nyob deb, peb-theem qhib synchronization, kaw kev sib cuag siab, bounce lub sij hawm, Lub cumulative tso cai hnav thickness ntawm kev txav mus thiab zoo li qub, thiab lwm yam.
Post lub sij hawm: Sep-15-2021