Umgaqo-nkqubo wokusebenza we-Circuit Breaker

umephuli wojikelezongokubanzi yenziwe ngenkqubo yoqhagamshelwano, inkqubo yokucima i-arc, indlela yokusebenza, iyunithi yokujika, kunye ne-casing.
Umsebenzi we-circuit breaker kukunqumla nokudibanisa i-load circuit, kunye nokucima i-circuit enengxaki, ukuze kuthintelwe ukwanda kwengozi kunye nokuqinisekisa ukusebenza ngokukhuselekileyo. I-high-voltage circuit breaker kufuneka iphule i-1500V, kwaye umbane yi-1500-2000A arc, kwaye ezi arcs zinokwandiswa ukuya kwi-2m kwaye ziqhubeke nokutsha ngaphandle kokucima. Ke ngoko, ukucima i-arc yingxaki ekufuneka isonjululwe kwi-high-voltage circuit breakers.
Iziphuli zesekethe ezisebenza ngombane ophantsi, okwaziwa ngokuba yi-othomathikhiiiswitshi zomoya, ingasetyenziselwa ukuvula nokuvala iisekethe zomthwalo, kwaye ingasetyenziselwa nokulawula iimoto eziqala rhoqo. Umsebenzi wayo ulingana nesixa seminye okanye yonke imisebenzi yeswitshi yemela, i-over-current relay, i-voltage loss relay, i-thermal relay kunye ne-leaking protector. Sisixhobo esibalulekileyo sokukhusela kwinethiwekhi yokusasaza i-low-voltage.
Iziphuli zesekethe ezine-voltage ephantsi zinemisebenzi emininzi yokukhusela (ukulayisha kakhulu,intambo emfutshane, ukhuseleko olungaphantsi kwamandla ombane, njl.njl.), ixabiso lokusebenza elihlengahlengiswayo, amandla aphezulu okuqhekeza, ukusebenza okulula, ukhuseleko, njl.njl., ngoko ke zisetyenziswa kakhulu. Ulwakhiwo kunye nomgaqo wokusebenza I-low-voltage circuit breaker yenziwe ngeendlela zokusebenza, oonxibelelwano, izixhobo zokukhusela (ukukhutshwa okuhlukeneyo), inkqubo yokucima i-arc njalo njalo.
Uqhagamshelwano oluphambili lwe-low-voltage circuit breaker luvalwa ngesandla okanye ngombane. Emva kokuba uqhagamshelwano oluphambili luvaliwe, indlela yokukhubeka ekhululekileyo ivala unxibelelwano oluphambili kwindawo evaliweyo. Ikhoyili yokukhululwa kombane ongaphezulu kunye ne-thermal element yokukhululwa kobushushu ziqhagamshelwe ngokulandelelana kunyeisekethe ephambili,kwaye ikhoyili yokukhululwa kwe-undervoltage iqhagamshelwe ngaxeshanye nombane. Xa isekethe ifinyeziwe okanye igcwele kakhulu, i-armature yokukhululwa kwe-over-current iya kutsala ukuze yenze i-free tripping mechanism isebenze, kwaye umnxibelelwano oyintloko uya kuyiqhawula isekethe ephambili. Xa isekethe igcwele kakhulu, i-thermal element yokukhululwa kwe-thermal iya kuvelisa ubushushu bokugoba i-bimetal sheet, ityhala i-free release mechanism ukuba isebenze. Xa isekethe ingaphantsi kwamandla, i-armature yokukhululwa kwe-undervoltage iyakhululwa. Ikwavula i-free tripping mechanism. I-shunt release isetyenziselwa ulawulo olukude. Ngexesha lokusebenza okuqhelekileyo, i-coil yayo iyasebenza. Xa kufuneka ulawulo lomgama, cofa iqhosha lokuqalisa ukuze unike amandla i-coil.