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Chii chinonzi RCBO uye chinoshanda sei?

Nov-17-2023
Jiuce yemagetsi

RCBO-80M (2)

 

 

RCBOndiyo chidimbu che "overcurrent residual current circuit breaker" uye chinhu chakakosha chekuchengetedza magetsi chinobatanidza mabasa eMCB (miniature circuit breaker) neRCD (residual current device).Inopa dziviriro pamhando mbiri dzekukanganisa kwemagetsi: overcurrent uye residual current (inonziwo leakage current).

Kuti unzwisise seiRCBOinoshanda, ngatitangei nekukurumidza kuongorora aya marudzi maviri ekutadza.

Overcurrent inoitika kana yakawandisa ikozvino inoyerera mudunhu, izvo zvinogona kukonzera kupisa uye pamwe kunyange moto.Izvi zvinogona kuitika nekuda kwezvikonzero zvakasiyana-siyana, senge dunhu diki, kuremerwa kwedunhu, kana kukanganisa kwemagetsi.MCBs akagadzirirwa kuona uye kukanganisa izvi overcurrent kukanganisa nekugumbura dunhu pakarepo kana ikozvino yadarika muganhu wakafanorongwa.

Nekune rumwe rutivi, kusara kwazvino kana kuvuza kunoitika kana dunhu rakavhiringwa netsaona nekuda kwekushata waya kana tsaona yeDIY.Semuyenzaniso, unogona kubvoora tambo netsaona uchiisa hoko yemufananidzo kana kuicheka nemucheki.Muchiitiko ichi, magetsi anogona kudonhedza munzvimbo yakatenderedza, zvichikonzera kuvhunduka kwemagetsi kana moto.MaRCD, anozivikanwawo seGFCIs (Ground Fault Circuit Interrupters) mune dzimwe nyika, akagadzirirwa kukurumidza kuona kunyange maminetsi ekudonha mafungu uye kufambisa dunhu mukati memilliseconds kudzivirira chero kukuvadza.

Zvino, ngatitarisei zvakanyanya kuti RCBO inosanganisa sei kugona kweMCB neRCD.RCBO, seMCB, yakaiswa mubhodhi kana yevatengi unit.Iyo ine yakavakirwa-mukati RCD module inoramba ichitarisisa ikozvino kuyerera kuburikidza nedunhu.

Kana kukanganisa kwakanyanya kukaitika, chikamu cheRCBO's MCB chinoona yakawandisa ikozvino uye kufambisa dunhu, nokudaro kukanganisa magetsi uye kudzivirira chero njodzi ine chekuita nekuremedza kana kupfupika.Panguva imwecheteyo, iyo yakavakirwa-mukati RCD module inotarisisa chiyero chiripo pakati pehupenyu uye nekwaakarerekera waya.

Kana chero yasara ikozvino yaonekwa (ichiratidza kukanganisa kwekudonha), iyo RCBO's RCD element inokurumidza kufambisa dunhu, nekudaro ichibvisa magetsi.Iyi mhinduro yekukurumidza inovimbisa kuti kuvhunduka kwemagetsi kunodziviswa uye moto unogona kudzivirirwa, kuderedza njodzi yekukanganisa kwewaya kana kukuvara kwetambo.

Zvakakosha kucherechedza kuti RCBO inopa dziviriro yedunhu rega rega, zvichireva kuti inodzivirira masekete chaiwo muchivako chakazvimirira kubva kune chimwe nechimwe, senge maseketi ekuvhenekesa kana zvitoro.Iyi modular dziviriro inogonesa yakanangwa kukanganisa kuona uye kuzviparadzanisa nevamwe, kuderedza kukanganiswa kune mamwe maseketi kana kukanganisa kukaitika.

Kupfupisa, RCBO (overcurrent residual current circuit breaker) chinhu chakakosha chekuchengetedza magetsi chinobatanidza mabasa eMCB neRCD.Iine kudarika-ikozvino kukanganisa uye kusara kwemazuva ano ekudzivirira mabasa kuti ave nechokwadi chekuchengetedzwa kwevanhu uye kudzivirira njodzi dzemoto.MaRCBO anoita basa rakakosha kuchengetedza kuchengetedzwa kwemagetsi mudzimba, zvivakwa zvekutengesera nenzvimbo dzemaindasitiri nekukasira kutsika masekete kana paine chikanganiso chaonekwa.

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