I-switchgear iyithuluzi elisetshenziselwa ukulawula, ukuvikela, nokusabalalisa amandla kagesi kumasistimu kagesi. Ngokuvamile kufaka phakathi ama-circuit breaker, ama-switch switch, ama-fuse, ama-contactor, amathuluzi nezinye izinto zikagesi. Imisebenzi eyinhloko ye-switchgear ihlanganisa:

1. * * Ukusabalalisa Ugesi * *: Sabalalisa ugesi ukusuka ohlangothini lwamandla kagesi aphezulu ukuya ohlangothini lwamandla kagesi aphansi ukuze uqinisekise ukusebenza okuvamile kwesistimu yamandla.
2. * * Umsebenzi Wokuvikela * *: Ngokuqapha amapharamitha afana namanje kanye ne-voltage ngokusebenzisa izinto ezivikelayo, amasekhethi angamaphutha anganqanyulwa ngokushesha ukuze kuvinjelwe ukulimala kwemishini kanye nezingozi zokuphepha.
3. * * Umsebenzi Wokulawula * *: Thola ukulawula okukude noma okwenziwa ngesandla kwemishini kagesi ukuze isebenze futhi iphathwe kalula.
4. * * Umsebenzi Wokuqapha * *: Ukuqapha ngesikhathi sangempela amapharamitha kagesi ngezinsimbi nezinzwa, okuhlinzeka ngolwazi lwesimo sokusebenza.

I-switchgear ingahlukaniswa ngezinhlobo ezahlukene ngokusekelwe endaweni yokusetshenziswa kanye nezidingo, njenge-switchgear ephansi, i-high-voltage switchgear, ikhabethe lokusabalalisa, njll. Asetshenziswa kakhulu emikhakheni efana nogesi, imboni, kanye nezokwakha.

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