A lub tshuab hluav taws xobyog ib lub qhov hloov uas tuaj yeem txuas thiab txiav ib lub voj voog. Raws li nws cov haujlwm sib txawv, nws tuaj yeem muab faib ua cov cua tshuab hluav taws xob thiab cov roj-insulated hlau-enclosed switchgear (GIS).
Qhov zoo ntawm lub Circuit Breaker: cov qauv yooj yim, tus nqi pheej yig, tuaj yeem txhim kho qhov zoo ntawm qhov project; muaj peev xwm tawg loj, muaj peev xwm overload ntau, kev sib txuas tsis tshua muaj thiab tawg ntawm kab; kev tiv thaiv ua tiav, tuaj yeem txiav tawm lub Circuit Court sai sai hauv lub sijhawm luv luv.
Qhov tsis zoo ntawm cov circuit breakers: cua sov loj thiab lub teeb arc siab raug tsim thaum lub sijhawm luv luv; kev ua haujlwm ntau zaus tsis tuaj yeem ua tiav; xav tau sijhawm txaus rau cov hlau hauv lub fuse rov qab mus rau qhov chaw yaj.
Thaum lublub tshuab hluav taws xobyog hloov pauv los ntawm lub tshuab hloov cua mus rau GIS, cov cai hauv qab no yuav tsum tau ua tiav:
1) Lub tshuab hluav taws xob yuav tsum tau grounded zoo thaum lub sijhawm teeb tsa thiab siv;
2) Yuav tsum muaj kev rwb thaiv tsev zoo ntawm GIS switchgear thiab hauv av;
3) Qhov chaw teeb tsa yuav tsum muaj cov chaw ntws dej zoo.
Kev Ua Haujlwm
A lub tshuab hluav taws xobyog ib lub qhov hloov uas siv los qhib thiab kaw lub voj voog, thiab feem ntau muaj lub luag haujlwm qhib thiab kaw lub voj voog, thiab kuj muaj cov haujlwm xws li kev tiv thaiv luv luv thiab kev tiv thaiv overload. Tib lub sijhawm, nws lub peev xwm tawg yog muaj zog heev, thiab nws tuaj yeem txiav lub voj voog sai sai hauv lub sijhawm luv luv.
1. Ua ib lub cuab yeej faib hluav taws xob tsawg, lub tshuab hluav taws xob muaj lub luag haujlwm tiv thaiv lub voj voog ntawm kev overload, luv luv thiab undervoltage.
2. Lub tshuab hluav taws xob muaj qhov zoo ntawm kev muaj peev xwm txiav tawm tam sim no thiab ua haujlwm sai; nws kuj muaj lub luag haujlwm tiv thaiv luv luv ntawm lub sijhawm luv luv ntawm ib theem tawg.
3. Ua ib lub cuab yeej faib hluav taws xob qis, lub tshuab hluav taws xob tuaj yeem kaw lossis txiav lub voj voog ntawm lub zog ua haujlwm ib txwm muaj hauv lub sijhawm teev tseg; nws tuaj yeem muab hluav taws xob rau kab tsis tu ncua yam tsis muaj kev puas tsuaj, thiab kuj tuaj yeem siv ua lub cev muaj zog stator rwb thaiv tsev thiab lub voj voog thaum tsim nyog. Cov voj voog pabcuam rau ntau yam khoom siv hluav taws xob.
Nruab
1. Ua ntej yuav teeb tsa, xyuas seb lub circuit breaker puas muaj qhov tawg, ces qhib lub hau kawg ntawm lub circuit breaker, thiab xyuas seb lub npe thiab daim ntawv lo rau ntawm lub hau kawg puas muaj. Xyuas seb puas yog tus qauv uas tau teev tseg hauv phau ntawv qhia khoom.
2. Kev teeb tsa lub tshuab hluav taws xob yuav tsum ua tau raws li qhov yuav tsum tau tsim, thiab yuav tsum sib xws nrog qhov chaw teeb tsa ntawm lwm yam khoom siv hluav taws xob ntawm lub vaj huam sib luag faib hluav taws xob lossis lub cuab yeej faib hluav taws xob. Nws tsis raug tso cai rau kev teeb tsa lossis hla ze ntawm lwm yam khoom siv hluav taws xob thiab cov khoom siv (cov hloov).
3. Lub tshuab hluav taws xob thiab nws cov khoom siv yuav tsum tau grounded kom ruaj khov. Rau ntau txheej xov hlau, lub qhov (socket) sab saud thiab txheej tiv thaiv cable kuj yuav tsum tau grounded.
4. Ua ntej yuav muab lub tshuab ua haujlwm tshem tawm, yuav tsum tau kuaj xyuas seb lub tshuab ua haujlwm puas yoog tau thiab ruaj khov ua ntej yuav muab tshem tawm. Xyuas seb cov xov hlau puas raug ua ntej yuav muab tshem tawm, txwv tsis pub nws yuav tsis tuaj yeem raug rhuav tshem yam tsis paub.
5. Thaum lub tshuab hluav taws xob raug teeb tsa rau hauv lub thawv hlau, cov ntsia hlau hauv lub thawv tsis pub kom xoob; qhov kev sib txuas ntawm lub thawv kho ntsia hlau thiab cov xov yuav tsum txhim khu kev qha; cov txiv ntoo kho yuav tsum yog cov ntsia hlau tiv thaiv kev xoob; cov qhov ntsia hlau yuav tsum tau tho qhov mechanically;
Tiv thaiv
Thaum lub kaw lus ua haujlwm tsis zoo, xws li lub cev muaj zog ntau dhau, luv luv, thiab lwm yam, yuav zam tau qhov xwm txheej loj thiab cov teeb meem loj, uas yuav tsum tau siv cov cuab yeej hluav taws xob los tiv thaiv cov khoom siv hluav taws xob lossis cov voj voog kom tsis txhob puas tsuaj. Txawm li cas los xij, lub cuab yeej hluav taws xob tsis tuaj yeem ua tiav "kev saib xyuas tsis tas yuav tsum tau saib xyuas". Qee zaum, tseem yuav tsum tau saib xyuas qee yam.
1. Thaum lub sijhawm ua haujlwm ntawm lub tshuab hluav taws xob, xyuas seb lwm cov khoom siv hluav taws xob puas ua haujlwm zoo;
2. Tshawb xyuas qhov ua haujlwm ntawm lub cuab yeej tiv thaiv kev xau, thiab nws yuav tsum ua haujlwm raws li cov xwm txheej ua haujlwm ib txwm muaj;
3. Thaum lub tshuab hluav taws xob ua haujlwm tsis ua haujlwm, xyuas qhov kev sib koom tes ntawm lub tshuab hluav taws xob ua haujlwm thiab lub tshuab hluav taws xob tawg;
4. Thaum muaj qhov teeb meem luv luv tshwm sim hauv kab, lub hwj chim yuav tsum raug txiav tawm;
5. Vim yog lub rwb thaiv tsev sab hauv ntawm lub tshuab hluav taws xob Circuit Court breaker laus zuj zus tom qab siv ntev. Yog li ntawd, lub tshuab hluav taws xob Circuit Court breaker yuav tsum tau saib xyuas tas li.
Cov kev ceev faj
1. Lub tshuab ua haujlwm yuav tsum ntseeg tau kom tsis txhob muaj xwm txheej. Yuav tsum muaj cov cim qhia meej thiab cov haujlwm rau kev ua haujlwm ntawm txhua feem hauv lub tshuab, thiab yuav tsum tiv thaiv kev ua haujlwm tsis zoo.
2. Rau lub tshuab hluav taws xob uas tseem ua haujlwm, txawm tias nws lub tes tuav nyob rau hauv lub xeev tripping, arc tseem yuav tshwm sim hauv cov contacts lossis hauv qhov qhib thiab kaw circuits. Yuav tsum tau ceev faj kom tsis txhob ua haujlwm tsis raug thaum lub sijhawm ua haujlwm.
3. Thaum lub tshuab hluav taws xob ua haujlwm (tshwj xeeb tshaj yog thaum txiav cov hluav taws xob loj), nws tsis tuaj yeem rub rau, kom tsis txhob ua rau cov khoom siv hluav taws xob puas tsuaj.
4. Lub tshuab hluav taws xob yuav tsum xyuas nws qhov qhib thiab kaw qhov chaw sib cuag kom tsis txhob muaj qhov hluav taws xob ntau dhau lossis qis dhau.
5. Thaum muaj teeb meem tshwm sim, sim kho qhov hluav taws xob uas raug txiav tawm ua ntej.
Lub sijhawm tshaj tawm: Lub Ob Hlis-16-2023