Ulwakhiwo lwezixhobo zokwaphula isekethe ye-vacuum

i-vacuum circuit breaker sisitshixo sombane esisetyenziselwa ukulawula, ukukhusela nokwahlula iisekethe zombane. Ngokungafaniyo nee-circuit breakers zemveli ezixhomekeke kwioyile okanye igesi njengesixhobo sokucima i-arc, ii-vacuum circuit breakers zisebenzisa igumbi lokucima i-arc ye-vacuum njengendlela yokucima i-arc eyenziwe ngexesha lenkqubo yokuqhekeka kwesekethe. Enye yezona nzuzo ziphambili ze-vacuum circuit breaker kukukwazi kwayo ukuvula isekethe ngokukhawuleza, ukunciphisa umonakalo kunye nokuthintela iingozi zombane.

Ulwakhiwo lwesaphuli sesekethe se-vacuum ludla ngokuquka izinto ezintathu eziphambili: igumbi lokucima i-arc, indlela yokusebenza kunye ne-control element. I-interrupter inee-contacts ezimbini zesinyithi ezahlulwe ngaphakathi kwigumbi le-vacuum. Xa i-circuit breaker ivuliwe, i-vacuum medium enamandla aphezulu e-dielectric iqinisekisa ukufudumala phakathi kwee-contacts. Nangona kunjalo, xa kwenzeka impazamo kwaye i-circuit breaker kufuneka ikhubeke, ii-contacts ziyadibana, ziqalise inkqubo yokucima i-arc.

Indlela yokusebenza inoxanduva lokuvula nokuvala i-circuit breaker phantsi kweemeko eziqhelekileyo neze-fault. Le ndlela isebenzisa ubuchwepheshe obahlukeneyo obufana namandla agciniweyo (ii-springs) okanye ii-electromagnetic actuators ukuvelisa amandla oomatshini afunekayo. Kwelinye icala, izinto zolawulo ziqinisekisa ukulungelelaniswa okufanelekileyo kunye nokuhambelana kweendlela zokusebenza. Ziquka ii-assistant switches, ii-relay kunye ne-timers kwaye zenza imisebenzi efana nokusebenza kwe-trip coil, ukufumanisa iimpazamo kunye nokucoca iimpazamo. Ezi ndlela zokuqhagamshela ziqinisekisa ukusebenza okukhuselekileyo nokuthembekileyo kwe-vacuum circuit breaker.

Ngamafutshane, ii-vacuum circuit breakers ziyinxalenye ebalulekileyo yeenkqubo zombane, ziqinisekisa ukukhuselwa kwezixhobo kunye nabasebenzi kwiimpazamo zombane. Ulwakhiwo lwe-vacuum circuit breaker luqulathe igumbi lokucima i-arc, indlela yokusebenza kunye nenxalenye yokulawula, elungelelanisa ukufezekisa ukuqhekeka kwesekethe kunye nokucima i-arc ngokufanelekileyo. Ukuqonda izinto kunye nemisebenzi yayo kunceda iinjineli kunye neengcali zenze izigqibo ezinolwazi xa ziyila, zifaka, kwaye zigcina iinkqubo zombane kwiindawo zokuhlala, zorhwebo, kunye nezoshishino. Ngokusebenzisa izibonelelo ezininzi zee-vacuum circuit breakers, sinokuqinisekisa isiseko samandla esikhuselekileyo nesinokuthenjwa ngakumbi kwihlabathi liphela.