Isiphazamisi sevacuum, ekwaziwa ngokuba yityhubhu yokutshintsha ivacuum, lelona candelo lingundoqo lokutshintsha kwamandla ombane aphezulu.Umsebenzi ophambili we-vacuum interrupter kukwenza isekethe ephakathi kunye nephezulu yombane inqumle unikezelo lwamandla egumbi lokucima i-arc ye-arc yokucima iqokobhe le-ceramic ngokusebenzisa i-insulation egqwesileyo ye-vacuum ngaphakathi kwityhubhu, enokucima ngokukhawuleza i-arc kunye nokucinezela okwangoku. , ukuze kuphetshwe iingozi neengozi.
Kwizikhewu zesekethe, izixhobo zokunxibelelana ne-vacuum-interrupter ngokuyintloko ziyi-50-50 ye-copper-chromium alloy.Zisenokwenziwa ngokuwelda icwecwe le-copper-chrome alloy kwindawo ephezulu kunye nesezantsi yokudibanisa phezu kwesihlalo soqhagamshelwano esenziwe ngobhedu olungenayo i-oksijini.Ezinye izinto, ezifana nesilivere, i-tungsten kunye neekhompawundi ze-tungsten, zisetyenziswa kwezinye iziphazamisi zoyilo.Isakhiwo soqhagamshelwano lwesiphazamisi se-vacuum sinempembelelo enkulu ekuqhekezeni kwayo, ukuqina kombane kunye nenqanaba lokunqunyulwa kwangoku.
Amalungu esiphazamisi sevacuum kufuneka acocwe ngocoselelo phambi kokuba adityaniswe, kuba izinto ezingcolisayo zinokukhupha irhasi kwimvulophu yokufunxa.Ukuqinisekisa i-voltage ephezulu yokuphuka, amacandelo ahlanganiswe kwigumbi elicocekileyo apho uthuli lulawulwa ngokungqongqo.
Emva kokuba iindawo ezigqityiweyo zigqityiwe kwaye zicocwe nge-electroplating kunye nokuhlolwa kwe-optical ye-surface consistency yazo zonke iindawo ezizimeleyo zenziwe, isiphazamisi sihlanganiswe.I-solder ye-vacuum ephezulu isetyenziswe kwiindawo ezidibeneyo zamacandelo, iinxalenye zihambelana, kwaye iziphazamisi zilungisiwe.Njengoko ukucoceka ngexesha lokudibanisa kubaluleke kakhulu, yonke imisebenzi yenziwa phantsi kweemeko zegumbi elicocekileyo eline-air-conditioning.
Abavelisi be-vacuum-interrupter bajongana nale nkxalabo ngokukhetha izixhobo zoqhagamshelwano kunye noyilo lokunciphisa ukunqunyulwa kwangoku.Ukukhusela izixhobo kwi-overvoltage, ii-vacuum switchgears zihlala zibandakanya izibambi zotyando.
Igumbi lokucima i-arc ye-arc yahlulwe ibe yindawo yokucima i-arc ye-breaker circuit, i-load switch kunye ne-vacuum contactor.Igumbi lokucima i-arc kwi-breaker circuit lisetyenziswa ikakhulu kwi-substations kunye nezibonelelo zegridi zamandla kwicandelo lamandla, kunye negumbi lokucima i-arc yokutshintsha umthwalo kunye ne-vacuum contactor isetyenziselwa ikakhulu kubasebenzisi bokugqibela begridi yamandla.