KunzwisisaMaResidual Current Breakers Asara: Chinhu Chinokosha Pakuchengetedza Magetsi
Munyika yekuchengetedzwa kwemagetsi, maResidual current circuit breakers (RCBs) anoita basa rakakosha mukudzivirira vanhu nepfuma kubva kunjodzi dzemagetsi. Midziyo iyi, inowanzonzi residual current devices (RCDs) kana residual current circuit breakers (RCCBs), yakagadzirirwa kuona kusawirirana kwemagetsi uye kuvhura circuit kana paine chikanganiso. Kunzwisisa mashandiro anoita maRCBs uye kuti sei akakosha kunogona kubatsira varidzi vedzimba nemabhizinesi kuona kuti magetsi akachengeteka.
Chii chinonzi residual current breaker?
Chinobvisa magetsi chinoshandiswa pamagetsi chinotarisa magetsi ari mudunhu. Chinogara chichienzanisa magetsi ari mumagetsi ari kudzoka kubva kumagetsi asina simba. Mumamiriro ezvinhu akajairwa, magetsi aya anofanira kunge akaenzana. Zvisinei, kana paine dambudziko, senge short circuit kana kuti munhu akabata waya iri mumagetsi netsaona, mamwe magetsi anogona kudonha pasi. Kusawirirana uku kunoita kuti magetsi ari kushanduka avhure magetsi, zvichidzivirira kuvhunduka kwemagetsi kana moto.
Ma residual current breakers anoshanda sei?
MaResidual current breakers anoshanda nepfungwa ye differential current. Mune transformer mukati memudziyo inonzwa kuti current iri kuyerera nepawaya dzinopisa nedzisina kusimba. Kana musiyano uripo pakati pemacurrents aya ukadarika chiyero chakatarwa (kazhinji 30 mA kuti ive nechokwadi chekuchengetedzeka kwemunhu), residual current breaker inodonha, ichibvisa simba mukati memamilliseconds. Kuita uku nekukurumidza kwakakosha kudzivirira kukuvara kwakanyanya kana kufa nekuda kwemagetsi.
Mhando dzema residual current circuit breakers
Kune mhando dzakasiyana dzema residual current circuit breakers, imwe neimwe iine chinangwa chayo:
1. Alternating Current: Rudzi urwu nderwemasekete ane alternating current (AC) chete. Ndirwo rudzi rwakajairika rwunoshandiswa munzvimbo dzekugara.
2. Rudzi A: RCB iyi inoona zvikanganiso zveAC neDC uye yakanakira maseketi ane zvishandiso zvine zvikamu zvemagetsi, zvakaita semakombiyuta nema solar inverters.
3. Rudzi B: MaRCB eRudzi B akagadzirirwa maseketi anogona kutakura magetsi akananga akapfava uye anowanzo shandiswa mumaindasitiri, kunyanya aya ane simba rinogona kushandiswazve.
4. Rudzi rweF: Rudzi urwu runosanganisa maficha eRudzi rweA neRudzi rweB, ruchidzivirira kubva kuma AC neDC residual currents, uye rwakakodzera kushandiswa kwakasiyana-siyana.
Kukosha kwema residual current circuit breakers
Kukosha kwema residual current breakers hakufanirwe kutaurwa zvakanyanya. Akakosha mukuvandudza kuchengetedzeka kwemagetsi mudzimba, munzvimbo dzebasa nezvivakwa zveveruzhinji. Ma residual current breakers anodzivirira hupenyu nekudzivirira kuvhunduka kwemagetsi, kunyanya munzvimbo dzine mvura, dzakadai sedzimba dzekugezera nemakicheni. Anobatsirawo kudzivirira moto wemagetsi unokonzerwa newaya dzisina kunaka kana midziyo yemagetsi.
Kuongororwa nekugadziriswa kweRCB nguva dzose kwakakosha kuti ive nechokwadi chekuti yakavimbika. Mazhinji emayunitsi ane bhatani rekuyedza kuti mushandisi akwanise kutarisa mashandiro ayo. Zvinokurudzirwa kuti RCB iitwe kanenge kamwe chete pamwedzi kuti ive nechokwadi chekuti iri kushanda nemazvo.
Muchidimbu
Mukupedzisa, ma residual current circuit breakers chikamu chakakosha chemagetsi emazuva ano, zvichipa dziviriro yakakosha kubva kunjodzi dzemagetsi. Nekunzwisisa mashandiro anoita ma residual current circuit breakers uye mhando dzawo dzakasiyana, vanhu nemabhizinesi vanogona kuita sarudzo dzakangwara nezve matanho avo ekuchengetedza magetsi. Kuisa mari muma residual current circuit breakers hakungochengetedze hupenyu chete, asiwo kunodzivirira pfuma, zvichiita kuti zvive chikamu chakakosha chemagetsi emazuva ano.
Nguva yekutumira: Zvita-13-2024