Ama-varistor anamandla aphezulu athola ukudonswa ezimbonini ezahlukahlukene ngenxa yekhono lawo lokuvikela amadivayisi kagesi ekukhuphukeni kwamandla kagesi kanye nezimo ze-overvoltage zesikhashana. Lezi zingxenye ezithuthukisiwe zisetshenziswa kakhulu ezisetshenziswayo zezimboni ukuvikela imishini ebucayi nokuqinisekisa ukusebenza okungaphazanyiswa.
Emkhakheni wezimoto, ama-varistor anamandla aphezulu ahlanganiswa kumayunithi okulawula kagesi (ama-ECU) kanye nezinhlelo zokusabalalisa amandla ukuze kuvikelwe ekukhuphukeni kwamandla kagesi okubangelwa ukushaywa kombani, ukuphazamiseka kwe-electromagnetic, kanye nokunye ukuphazamiseka kukagesi. Lokhu kusiza ukuthuthukisa ukuthembeka nokuphila isikhathi eside kwama-elekthronikhi ezimoto abalulekile, ekugcineni kuthuthukise ukuphepha nokusebenza kwezimoto.
Ngaphezu kwalokho, ukuthunyelwa kwama-varistors anamandla aphezulu emkhakheni wamandla avuselelekayo kube yinto ebalulekile ekuvikeleni ama-solar inverters, ama-wind turbines, kanye neminye imishini yokuphehla amandla ekushintsheni kwamandla kagesi kanye nokwanda kwamandla kagesi okubangelwa umbani. Ngokuhlinzeka ngokuvikelwa okunamandla kwamandla kagesi, la ma-varistors anegalelo ekuzinzeni nasekusebenzeni kahle kwezinhlelo zamandla avuselelekayo, ngaleyo ndlela asekele ukushintshela ekukhiqizeni amandla okusimeme.
Embonini yezokuxhumana, ama-varistor anamandla aphezulu adlala indima ebalulekile ekuvikeleni ingqalasizinda yenethiwekhi ebucayi, njengeziteshi eziyisisekelo, ama-antenna, kanye nemishini yokuxhumana, kuma-voltage transients angabangelwa ukushaywa kombani noma ukuphazamiseka kwegridi yamandla. Lokhu kusiza ukugcina ukuthembeka nokuqina kwamanethiwekhi okuxhumana, ukuqinisekisa ukuxhumana okungaphazanyiswa kwamabhizinisi nabathengi.
Ngaphezu kwalokho, umkhakha we-automation wezimboni usebenzisa ama-varistor aphezulu wamandla ukuvikela abalawuli be-logic abahlelekayo (ama-PLC), ama-motor drive, kanye neminye imishini ebalulekile ekukhuphukeni kwamandla kagesi, ngaleyo ndlela kunciphisa ingozi yokulimala kwemishini kanye nesikhathi sokungasebenzi komkhiqizo. Lokhu kubaluleke kakhulu ezindaweni zokukhiqiza lapho ukusebenza okungaphazanyiswa kubalulekile khona ukuze kuhlangatshezwane nezinhloso zokukhiqiza kanye nokugcina ukuncintisana.
Sekukonke, ukusetshenziswa kwama-varis anamandla aphezulu ezimbonini ezahlukahlukene kugcizelela ukubaluleka kwawo ekuvikeleni izimpahla zikagesi ezibalulekile nokuqinisekisa ukuthembeka kwezinhlelo ezibalulekile. Njengoba ubuchwepheshe buqhubeka nokuthuthuka, isidingo salezi zingxenye zokuvikela ukukhuphuka okuthuthukisiwe kulindeleke ukuthi sikhule, okuqhubekisela phambili ukusungula izinto ezintsha nokuhlanganiswa kuzo zonke izimboni ezahlukahlukene.
Isikhathi sokuthunyelwe: Mashi-17-2021