Imba yega yega inotsamira pamudziyo wemagetsi unopwanya magetsi kuti ive nechokwadi chekuti magetsi anofamba zvakanaka. Zvisinei, varidzi vedzimba vazhinji havanyatsoteerera mudziyo wemagetsi usati wakanganisa. Kusvikira mwenje wadzima kamwe kamwe, mudziyo wemagetsi wamira kushanda, kana kuti pani yemagetsi yatanga kurira. Ungave uri kubata nemudziyo wemagetsi wakagumburwa, pani yemagetsi isina kushanda zvakanaka, kana kuronga kutsiva bhokisi rese remagetsi, gwara iri richakutungamirira pane zvese kubva pamisimboti yekutanga kusvika pakushanda chaiko.
Chii chinonzi Circuit Breaker?
Circuit breaker mudziyo wekudzivirira kuchengetedzeka wakaiswa mupaneru yemagetsi. Kana ukaona paine dambudziko rine njodzi (senge overload kana short circuit), unodzima magetsi otomatiki. Mafuse anofanirwa kutsiviwa mushure mekusanganiswa, uye ma circuit breaker akasiyana nefuse anogona kudzoserwa patsva nemaoko uye kushandiswa kakawanda.
Imba yega yega yemazuva ano ine bhokisi rekupwanya, umo ma "breaker" akawanda akazvimiririra akaiswa. Circuit breaker yega yega inodzora circuit chaiyo mumba mako - imba yekurara, midziyo yekicheni, HVAC system, nezvimwewo.
Denderedzwa rinopwanya rinoshanda sei?
Circuit breaker yega yega ine bimetal strip uye electromagnet. Maitiro ekushanda ndeaya anotevera:
Kushanda kwakajairika : magetsi anoyerera kubva mubhokisi rekugovera kuenda kudunhu rega rega kuburikidza necircuit breaker, uye bimetallic strip ne electromagnet zviri mumamiriro akagadzikana.
Kuwanda kwemagetsi kunowanikwa : Kana magetsi achipfuura nepadunhu akakura zvakanyanya (semuenzaniso, zvishandiso zvakawanda zvakabatana nedunhu rimwe chete), bimetal inodziiswa, yowedzerwa uye yokotamiswa, zvichiita kuti circuit breaker igumbuke nemagetsi yobva yachinja kuenda panzvimbo isina kujeka.
Kuonekwa kwemhepo pfupi : magetsi makuru anowanikwa panguva yemhepo pfupi anoita kuti magineti agadzire simba remagineti rakasimba, uye mhepo yacho inomanikidzwa kudimburwa mumamilisekonzi kuti idzivirire tambo uye kudzivirira moto.
Dziviriro yekutadza kwepasi (GFCI circuit breaker) : Circuit breaker inoramba ichiona musiyano wemagetsi uripo pakati pemutsetse wemoto nemutsetse we zero. Kana musiyano wacho ukadarika 5 mA, zvinoratidza kuti chikamu chemagetsi chinoyerera chichienda pasi kuburikidza nemuviri wemunhu kana dzimwe nzira dzisingatarisirwi, uye circuit breaker ichagumburwa ipapo ipapo. Iyi nzira yekuzvipindura otomatiki inoita kuti circuit breaker ive chinhu chakakosha chekuchengetedza mubhokisi rekugovera. Sekureva kweElectrical Safety Foundation International (ESFI) , kune moto wemagetsi wemhuri unosvika 51,000 muUnited States gore rega rega, uye kushanda kwakajairika kwema circuit breaker ndiyo nzira huru yekudzivirira moto wakadaro.
Sei Rwendo rweCircuit Breaker Ruchidzokororwa?
Kugumburwa nguva nenguva kunoratidza kuti pane matambudziko angangoitika. Zvikonzero zvinowanzoonekwa zvinosanganisira:
- Circuit overload: Dunhu rimwe chete rakabatana nemidziyo yakawanda ine simba guru.
- Mutsara pfupi: Pane imwe nzvimbo mumutsara, waya iri mhenyu iri kubata zvakananga newaya isina kusimba.
- Chikanganiso chekuisa pasi: Mhepo inoyerera netsaona ichienda panyika nenzira isina kugadzirwa.
- Kukwegura kwecircuit breaker: Zvikamu zvemukati zvemacircuit breakers zvave zvichishandiswa kwemakore anopfuura 25-30 zvinogona kunge zvichikwegura, zvichikonzera kudonha kwenhema kana magetsi asingasvike pamutengo wakatarwa, kana kutadza kudzima zvakanaka kana magetsi akawandisa.
- Kukundikana kwemagetsi: Mudziyo wemagetsi mumwe chete une dambudziko unogona kukonzera kuti circuit irambe ichidonha.
Cherechedza: Kana circuit breaker ikadonha zvakare mushure mekugadziriswazve kwekuvhara, kushanda kunofanira kumira uye nyanzvi yemagetsi ine chitupa inofanira kufonerwa kuti iongororwe.
Nzira yekuedza sei Circuit Breaker?
Pakutarisa matambudziko emagetsi, ma multimeter chishandiso chakakosha kune varidzi vedzimba nevanogadzira magetsi. Kushandisa multimeter kuona kuti circuit breaker kunofanirwa kugadzirira maturusi anotevera:
- Multimeter yedhijitari: ku AC voltage (VAC), huwandu hunowanzova 120V kana 240V.
- Sikurudhiraivha ine mubato wakavharwa
- Chinyoreso chisiri chekubata (chinokurudzirwa kuvandudza kuchengetedzeka kwekushanda)
Maitiro Ekuyedza Circuit Breaker neMultimeter?
Kugadzirira kuchengetedzeka : Pfeka shangu dzerabha uye pfeka magirovhosi anodzivirira kupisa. Udza mugari wemuno kuti uchatarisa bhokisi rekugovera.
Vhura chifukidziro chepabhodhi chebhokisi rekugovera : bvisa sikuruu pamusuwo wepabhodhi woivhura nokungwarira. Usabata mabhazi makuru kana waya hombe inopinda kubva pamita yekunze. Kunyangwe kana chivhariso chikuru chadzimwa, zvikamu izvi zvichiri muchimiro chekuchaja.
Gadza multimeter : dhayira bhatani kuAC voltage range (VAC), sarudza 200V kana kupfuura.
Edza voltage ye terminal ye circuit breaker : red probe inobatwa ne screw terminal ye circuit breaker, uye black probe inobatwa ne neutral bus bar (silver copper bar ine white wire).
- Kuverenga kwe circuit breaker ye 120V kwakajairika kunofanira kuva pakati pe 115V-125V.
- Kuverenga kwe240V double-pole breaker kwakajairika kunofanira kuva pakati pe230V-250V.
- Kana circuit breaker iri padanho re on asi kuverenga kuri 0V, zvinoreva kuti circuit breaker yakundikana uye inofanira kutsiviwa.
Edza voltage inobuda : kana circuit breaker yavhurwa, enda kunobuda circuit kana rambi kuti upime. Kana kuverenga kwebhokisi rekugovera kwakajairika (120V), asi kuverenga kwesocket end kuri 0V, dambudziko riri patambo yemagetsi, kwete pacircuit breaker pachayo.
Nyora zvabuda mubvunzo : nyora nhamba dzese dzecircuit breaker dzine voltage yakaderera kana kuti zero, kuitira kuti ugone kutaurirana nemazvo nemagetsi.
Kuti uwane mamwe mashoko akadzama, ndapota tarisa gwara reFluke Corporation re multimeter , iro rinotsanangura zvakanakisa zvekushandisa pakuyera kweAC/DC.
Maitiro Ekugadzirisazve Circuit Breaker?
Kugadzirisazve circuit breaker yakagumburwa ndiyo inonyanya kusangana nevanhu vanogara ipapo. Mushure mekugumburwa, mubato wecircuit breaker unowanzo kuwanikwa pakati peON neOFF. Kana wagadziriswazve, mubato wacho unotanga wadhonzwa panzvimbo yeOFF neruoko, wobva wasundidzirwa kumashure panzvimbo yeON, pasina zvishandiso.
- Tsvaga circuit breaker yakagumburwa mu electrical panel, uye switch yacho yakarerekera panzvimbo yepakati kana kuti yatove panzvimbo yeOFF.
- Bvisa kana kuvhara michina yese yemagetsi iri padunhu kuti uderedze mutoro.
- Kutanga, dzvanya switch yecircuit breaker zvakasimba kusvika panzvimbo yeOFF, uchanzwa ruzha rwekudzvanya.
- Wobva wadzvanya switch yacho panzvimbo yekuti "full ON", uchanzwa kudzvanya kwechipiri.
- Kana circuit breaker ikadonha zvakare nekukasika, ndapota misai kushanda motaura nenyanzvi yemagetsi.
Mazano ekuchengetedza : Kana circuit breaker isingakwanise kuchengetwa iri painovhurwa, usadzokorora kuisazve. Kuramba uchigumburwa zvinoreva kuti pane dambudziko rakakura, iro rinofanira kuongororwa nenyanzvi.
Ungatsiva sei Circuit Breaker?
Kutsiva circuit breaker yakaipa kunosanganisira kudzima magetsi makuru, kubvisa chifukidziro chepaneru, uye kutsiva unit ine dambudziko ne brand/amperage yakafanana. Matanho akakosha ekuchengetedza anosanganisira kushandisa voltage tester kuona kuti magetsi adzima, kupfeka shangu dzine rabha, uye kuchengetedza waya zvakanaka. Kana usingazive mapaneru emagetsi, tora nyanzvi yemagetsi ine rezinesi kudzivirira njodzi dzemagetsi kana moto.
Heano matanho akadzama ekuisa circuit breaker itsva:
- Gadzirisa divi remuchina mutsva wekugadzirisa magetsi kuti chiteshi chekubatanidza chitarise kunze.
- Circuit breaker inovharirwa mubhawa rebhazi: bhandi riri kumashure kwecircuit breaker rinodzvanywa mubako rekubatanidza pabhawa rebhazi kusvika ruzha rwekudzvanya rwanzwikwa.
- Isa waya muterminal yecircuit breaker itsva wosimbisa sikuruu zvichienderana netorque yakatarwa (kazhinji 20-35 inches·mapaundi, ndapota tarisa tafura yezvigadzirwa/pepa respec/recircuit breaker).
- Isazve chifukidziro chebhokisi uye simbisa masikuruu ese.
- Batanidza zvakare main breaker wobva wadzvanya breaker itsva panzvimbo yeON.
- Edzai dunhu: yera voltage uchishandisa multimeter, kana kuti tarisa kana magetsi ari akajairwa nekushandisa michina yemagetsi.
Ndirini Pandinofanira Kutsiva Bhokisi Rese Remagetsi Rinoputsa Zvinhu?
Dzimwe nguva hazvina kukwana kutsiva circuit breaker imwe chete. Kana mamiriro ezvinhu anotevera akaitika, zvingangoda kutsiva electrical breaker box yese:
- Hupenyu hwebasa rebhokisi rekugovera hunopfuura makore 30-40.
- Rudzi rwebhokisi rekugovera nderwemuenzaniso wakadzoserwa.
- Chinotenderera chitsva chinodiwa, asi hapana nzvimbo dzakavhurika mubhokisi rekugovera.
- Kugona kwemagetsi emumba kunofanirwa kuvandudzwa kubva pa100 A kusvika pa200 A.
- Bhokisi rekugovera rinoratidza zviratidzo zvekuora, kutsva kana hunyoro hwemvura.
- Zvinodiwa kuisa charger yemagetsi, solar system kana jenareta yemumba wese.
Zvimwe Zvinyorwa zvine chekuita necircuit breaker :
Gwaro Rakazara reMinitary Circuit Breaker (MCB): Mhando, Kuchengetedzeka & Maitiro Ekusarudza
Chii chinonzi DC Circuit Breaker?
FAQ
Ndingatsiva circuit breaker ndega here kana kuti ndinofanira kuhaya nyanzvi yemagetsi?
Kana uchikwanisa kutsiva circuit breaker iwe pachako zvinoenderana nemitemo yemuno, rudzi rwepaneru yemagetsi yaunayo, uye ruzivo rwako pachako nemagetsi. Kunyange zvazvo kuchinjana breaker panyama kuri nyore, kushanda mukati mepaneru yemagetsi kunosanganisira kusangana nezvinhu zvipenyu zvine simba remagetsi rinokwana kuuraya.
Ungachinja sei circuit breaker?
Kutsiva circuit breaker kunosanganisira kudzima magetsi makuru, kubvisa chifukidziro chepanel, kubvisa waya, kubvisa breaker yekare, uye kubvisa breaker itsva, inoenderana. Kuchengetedza ndiko kwakakosha: gara uchishandisa voltage tester kuti uve nechokwadi chekuti panel haina simba, sezvo waya dzinopisa dzingave dzichiripo. Basa racho rinowanzo tora maminetsi gumi nemashanu kusvika makumi matatu.
Marii inobhadharwa nemabreaker?
Macircuit breaker anowanzoita mari iri pakati pemadhora mashanu nemadhora mazana maviri nemakumi mashanu ($5) nemadhora mazana maviri nemakumi mashanu ($250), nemastandard single-pole breaker (15-40 amp) anodhura mari inosvika $5–$30 uye maspecialized kana high-amperage breaker anodhura mari yakawanda. Ma residential 20-amp breaker anowanzo shandiswa zvakanyanya kubva kuma brand akaita seSquare D kana Eaton anowanzoita mari iri pakati pemadhora matanhatu nemadhora gumi nemashanu ($6) nemadhora gumi nemashanu ($15), nepo AFCI/GFCI kana maspecialized breaker anogona kudarika $50–$60 payuniti imwe neimwe.
Ungaziva sei kana circuit breaker yakaipa?
Muchina wemagetsi unopwanya magetsi unowanzoratidza zviratidzo zvakaita sekugumburwa nekukurumidza mushure mekugadziriswazve, kunhuwa kunopisa, mavanga ekutsva anooneka, kana kuti switch "yakapwanyika" isingagare panzvimbo yekuti "irambe iri pamoto".
Sei circuit breaker yangu ichiramba ichigumburwa?
Chinhu chinopwanya magetsi chinowanzo ramba chichigumburwa nekuda kwedunhu rakawandisa, dunhu pfupi, kana gomba repasi. Kuzara kwezvinhu kunoitika kana midziyo yakawanda ichishanda panguva imwe chete; gomba pfupi rinoitika kana waya dzabata; uye gomba pasi rinokonzerwa nehunyoro kana waya dzakakuvara. Kana rikagumburwa ipapo ipapo, ringangodaro riri gomba pfupi kana kuti gomba repasi, izvo zvine njodzi.
