KunzwisisaMCBuyeRCCB: Zvivako Zvakakosha zveKuchengetedza Magetsi
Munyaya yekuisa magetsi, kuchengetedzeka kwakakosha zvikuru. Zvinhu zviviri zvakakosha zvinoita basa guru mukuona kuchengetedzeka kwemagetsi iMinitary Circuit Breaker (MCB) neResidual Current Circuit Breaker (RCCB). Midziyo iyi miviri ine zvinangwa zvakasiyana asi inowanzo shandiswa pamwe chete kudzivirira zvakakwana kubva kumatambudziko emagetsi. Chinyorwa chino chinopa kutarisa kwakadzama mashandiro, misiyano, uye mashandisirwo eMCBs neRCCBs, zvichisimbisa kukosha kwavo mumagetsi emazuva ano.
Chii chinonzi miniature circuit breaker?
Miniature circuit breaker (MCB) iswitch inongoerekana yaita inodzivirira macircuit kubva pakuwanda kwemagetsi uye mashort circuit. Kana magetsi ari kufamba nepakati pemacircuit akadarika muganho wakatarwa, MCB inodonha, zvichikanganisa kufamba kwemagetsi. Izvi zvinodzivirira kukuvara kunogona kuitika pamidziyo uye zvinoderedza njodzi yekupiswa nemoto kunokonzerwa nekuwandisa kwewaya.
Chiyero cheMCB chinoenderana nekukwanisa kwayo kutakura pari zvino, uko kunowanzova pakati pe6A kusvika 63A. Dzakagadzirwa kuti dzigadziriswe nemaoko mushure mekugumburwa, zvichiita kuti dzive sarudzo iri nyore kune masisitimu emagetsi emumba nemabhizimisi. MCB dzakakosha pakudzivirira masisitimu emagetsi ega ega akadai semwenje, kupisa uye masoketi emagetsi, zvichiita kuti chero kukanganisa mudunhu rimwe chete kusakanganisa sisitimu yese yemagetsi.
Chii chinonzi RCCB?
MaResidual current circuit breakers (RCCB), anozivikanwawo seresidual current devices (RCD), akagadzirirwa kudzivirira kubva kumagetsi anovhunduka uye moto wemagetsi unokonzerwa nekutadza kwepasi. Anoona kusawirirana pakati pewaya dziri mhenyu nedzisina kusimba, izvo zvinogona kuitika kana magetsi achidonha pasi, zvichiratidza kuti pane dambudziko. Kana RCCB ikaona musiyano mukuyerera kwemagetsi, inodonha mukati memamiliseconds uye inotyora dunhu, zvichideredza zvakanyanya njodzi yekuvhunduka kwemagetsi.
MaRCCB anowanikwa mumhando dzakasiyana-siyana, anowanzo tangira pa30mA yekudzivirira munhu kusvika pa100mA kana 300mA yekudzivirira moto. Kusiyana nemaMCB, maRCCB haape dziviriro yakawandisa kana yepfupi; saka, anowanzo shandiswa pamwe chete nemaMCB kuona kuchengetedzeka kwemagetsi kwakakwana.
Misiyano mikuru pakati peMCB neRCCB
Kunyange zvazvo maMCB neRCCB ese ari maviri akakosha pakuchengetedzwa kwemagetsi, ane mabasa akasiyana:
1. Rudzi rweDziviriro: MCB inopa dziviriro yekuwedzera simba uye yepfupi, RCCB inopa dziviriro yefault yepasi uye yemagetsi.
2. Nzira yekushanda: Miniature circuit breaker inoshanda zvichienderana nedanho remagetsi uye inodonha kana magetsi adarika muganho wakaiswa. Kusiyana neizvi, RCCB inoshanda nepfungwa yekuenzanisa magetsi pakati pewaya dziri mhenyu nedzisina kusimba.
3. Kugadzirisa mashandiro: MCB inogona kugadziriswa nemaoko mushure mekugumburwa, nepo RCCB ingangoda kuongororwa nekugadziriswa matambudziko isati yagadziriswazve.
4. Mashandisirwo: MaMCB anowanzo shandiswa kudzivirira macircuit munzvimbo dzekugara nedzekutengeserana, nepo maRCCB akakosha munzvimbo dzine njodzi huru yekubatwa nemagetsi senge dzimba dzekugezera, makicheni nemidziyo yekunze.
Kukosha kwekushandisa MCB neRCCB
Kuti magetsi agare akachengeteka, zvinokurudzirwa kushandisa MCB neRCCB muzvikamu zvakatevedzana. MCB inopa dziviriro pamusoro pemagetsi akawandisa uye mapfupi, RCCB inopa dziviriro pamusoro pezvinhu zvisina kunaka uye kuputika kwemagetsi. Musanganiswa uyu unoita kuti masisitimu emagetsi adzivirirwe kubva kunjodzi dzakasiyana-siyana, zvichiita kuti pave nekuchengetedzeka kwevashandisi nepfuma.
Muchidimbu, kunzwisisa basa reMCBs neRCCBs kwakakosha kune chero ani zvake ari mukuisa kana kugadzirisa magetsi. Nekubatanidza zvishandiso zvese mumagetsi, njodzi yetsaona dzemagetsi inogona kuderedzwa zvakanyanya, zvichiita kuti munhu wese ave nenzvimbo yakachengeteka. Ingave munzvimbo dzekugara, dzekutengeserana kana dzemaindasitiri, kubatanidzwa kweMCBs neRCCBs chinhu chakakosha mukuchengetedza magetsi kwemazuva ano.
Nguva yekutumira: Mbudzi-11-2024