A umephuli wojikelezosisitshixo esinokudibanisa nokuqhawula isekethe. Ngokwemisebenzi yaso eyahlukeneyo, sinokwahlulwa sibe zizixhobo zokuphelisa iisekethe zomoya kunye nezitshixo zesinyithi ezifakwe igesi (GIS).
Iingenelo ze-circuit breaker: isakhiwo esilula, ixabiso eliphantsi, zinokuwuphucula kakhulu umgangatho wolwakhiwo lweprojekthi; amandla amakhulu okuqhekeza, amandla okugqithisa kakhulu, uqhagamshelo olungaqhelekanga kunye nokuqhekeka komgca; umsebenzi wokhuseleko olupheleleyo, unokunqumla ngokukhawuleza i-circuit ngexesha elifutshane kakhulu.
Iingxaki zee-circuit breakers: ubushushu obukhulu kunye nokukhanya okuphezulu kwe-arc kuveliswa ngexesha le-short circuit; imisebenzi ephindaphindwayo ayinakwenziwa; kufuneka ixesha elaneleyo ukuze isinyithi esikwi-fuse sibuyele kwindawo yokunyibilika.
Xaumephuli wojikelezoiguqulwa ukusuka kwiswitshi yomoya ukuya kwi-GIS, le migaqo ilandelayo iya kuhlangatyezwana nayo:
1) Isixhobo sokwaphula isekethe kufuneka sibe nesiseko esihle ngexesha lokufakwa nokusetyenziswa;
2) Kufuneka kubekho ubushushu obuhle phakathi kwe-GIS switchgear nomhlaba;
3) Indawo yokufakela kufuneka ibe neendawo zokukhupha amanzi ezifanelekileyo.
Umsebenzi
A umephuli wojikelezosisitshixo esisetyenziselwa ukuvula nokuvala isekethe, kwaye sidla ngokuba nomsebenzi wokuvula nokuvala isekethe, kwaye sikwanomsebenzi ofana nokukhusela isekethe emfutshane kunye nokukhusela ukugqithisa. Kwangaxeshanye, amandla ayo okuphuka anamandla kakhulu, kwaye ingawunqumla ngokukhawuleza isekethe ngexesha elifutshane kakhulu.
1. Njengesixhobo sokusasaza amandla esinombane ophantsi, i-circuit breaker inomsebenzi wokukhusela i-circuit kwi-overload, short circuit kunye ne-undervoltage.
2. I-circuit breaker ineenzuzo zokuba namandla okusika umbane kunye nentshukumo ekhawulezayo; ikwanomsebenzi wokukhusela umbane omfutshane we-short-circuit current yokwaphuka kwesigaba esinye.
3. Njengesixhobo sokusasaza amandla esinombane ophantsi, i-circuit breaker inokuvala okanye ikhuphe i-circuit yombane osebenzayo oqhelekileyo ngexesha elichaziweyo; inokubonelela ngombane rhoqo kumgca ngaphandle kokusilela, kwaye ingasetyenziswa njenge-motor stator insulation kunye ne-circuit xa kuyimfuneko. Ii-circuit ezincedisayo kwizixhobo ezahlukeneyo zombane.
Faka
1. Ngaphambi kokufakela, jonga imbonakalo ye-circuit breaker ukuba ayinazimfanta, uze uvule isiciko sokugqibela se-circuit breaker, uze ujonge isazisi kunye ne-nameplate kwisiciko sokugqibela. Jonga ngokuchasene nemodeli echazwe kwincwadana yemveliso.
2. Ukufakelwa kwe-circuit breaker kufuneka kuhlangabezane neemfuno zoyilo, kwaye kufanele kuhambelane nendawo yokufakelwa kwezinye izixhobo zombane kwiphaneli yokusasaza umbane okanye isixhobo sokusasaza umbane. Akuvumelekanga ukufaka okanye ukudlula kufutshane nezinye izixhobo zombane kunye nezixhobo (iiswitshi).
3. I-circuit breaker kunye nezixhobo zayo kufuneka zisekelwe ngokuqinileyo. Kwintambo ye-multi-layer, i-socket ephezulu kunye ne-cable shielding layer nazo kufuneka zisekelwe.
4. Indlela yokusebenza kufuneka ivavanywe umthwalo ngaphambi kokuba iqhawulwe ukuqinisekisa ukuba ukusebenza kwayo kuyaguquguquka kwaye kuthembekile ngaphambi kokuba iqhawulwe. Jonga ukuba iingcingo zichanekile na ngaphambi kokuba iqhawulwe, kungenjalo ayinakuqhaqhwa ngokungaboniyo.
5. Xa i-circuit breaker ifakiwe kwibhokisi yesinyithi, ii-bolts zokubopha ezisebhokisini azivumelekanga ukuba zikhululeke; unxibelelwano phakathi kwee-bolts zokulungisa ibhokisi kunye nomsonto kufuneka luthembeke; ii-fixing nuts mazibe zizikrufu ezichasene nokukhulula; imingxuma yezikrufu kufuneka igqojwe ngoomatshini;
Khusela
Xa inkqubo ingaphumeleli, njengokugqithiswa kweemoto, i-short circuit, njl.njl., iingozi ezinkulu kunye nemiphumo emibi zinokuphetshwa, nto leyo efuna ukusetyenziswa kwee-circuit breakers ukukhusela izixhobo zombane okanye ii-circuit ekonakalisweni. Nangona kunjalo, i-circuit breaker ayinakukwazi "ukulungisa izinto". Kwezinye iimeko, kusafuneka ulondolozo oluthile.
1. Xa kwenzeka umjikelo ogqithisileyo ngexesha lokusebenza kwe-circuit breaker, jonga ukuba ezinye izixhobo zombane zikwimeko elungileyo na yokusebenza;
2. Jonga ukusebenza kwesixhobo sokukhusela ukuvuza, kwaye kufuneka sisebenze phantsi kweemeko zokusebenza eziqhelekileyo;
3. Xa indlela yokusebenza yombane ingaphumeleli, jonga ulungelelwaniso phakathi kwendlela yokusebenza yombane kunye ne-circuit breaker;
4. Xa kwenzeka impazamo ye-short-circuit kumgca, umbane kufuneka ucinywe;
5. Ngenxa yokwaluphala kwe-insulation yangaphakathi ye-circuit breaker emva kokusebenza ixesha elide. Ke ngoko, i-circuit breaker kufuneka igcinwe rhoqo.
Ukulumkela
1. Indlela yokusebenza kufuneka ithembeke ukuze kuthintelwe iingozi. Kufuneka kubekho izalathisi ezicacileyo kunye nezenzo zesenzo senxalenye nganye kwindlela yokusebenza, kwaye ukungasebenzi kakuhle kufanele kuthintelwe.
2. Kwi-circuit breaker esebenzayo, nokuba isiphatho sayo sikwimeko yokukhubeka, ukugoba kusenokwenzeka kwiindawo ezidityanisiweyo okanye kwiisekethe zokuvula nezokuvala. Kufuneka kuthathwe ingqalelo ukuthintela ukusetyenziswa kakubi ngexesha lokusebenza.
3. Xa i-circuit breaker isebenza (ingakumbi xa inqumla umsinga omkhulu), ayinakutsalwa ngenkani, ukuze ingonakalisi izinto zombane.
4. I-circuit breaker kufuneka ihlale ijonga iimeko zayo zoqhagamshelwano lokuvula nokuvala ukuze kuthintelwe iimpazamo ze-overvoltage okanye ze-undervoltage.
5. Xa kukho ingxaki, zama ukubuyisela umbane ocinyiweyo kuqala.
Ixesha lokuthumela: Feb-16-2023