Zvishandiso zveMazuva Anosara (RCDs) zvishandiso zvakakosha zvekuchengetedza zvakagadzirirwa kudzivirira njodzi dzemagetsi nemoto mumagetsi. Zvinotarisa kuenzana kwemagetsi anopinda nekubuda mudunhu, uye kana zvikaona musiyano, zvinokurumidzira kubvisa simba remagetsi kudzivirira kukuvara. Kune mhando mbiri huru dzeRCDs: Type A neType B, imwe neimwe ine maficha ayo chaiwo uye mashandisirwo ayo.
MaRCD erudzi rweA
MaRCD erudzi rweA ndiwo anonyanya kuwanikwa uye akagadzirirwa kudzivirira kubva kuAC sinusoidal, pulsating DC, uye DC residual currents dzakatsetseka. Akakodzera kushandiswa munzvimbo zhinji dzekugara nedzekutengeserana uko masisitimu emagetsi ari nyore, uye njodzi yekusangana ne non-sinusoidal kana pulsating currents yakaderera.
Chimwe chezvinhu zvakakosha zveType A RCDs kugona kwavo kuona nekupindura kumagetsi eDC anoramba aripo, ayo anowanzo kugadzirwa nemidziyo yemagetsi yakaita semakombiyuta, maTV, uye mwenje we LED. Izvi zvinoita kuti zvive zvakanaka kushandiswa mumagetsi emazuva ano uko michina yakadaro yakawanda.
MaRCD erudzi rweB
MaRCD erudzi rweB anopa dziviriro yepamusoro kana tichienzanisa nemidziyo yerudzi rweA. Pamusoro pekudzivirira kubva kuAC sinusoidal, pulsating DC, uye DC residual currents dzakapfava dzakadai seType A RCDs, anopawo dziviriro kubva kuDC residual currents dzakachena. Izvi zvinoita kuti dzikwanise kushandiswa munzvimbo dzine njodzi yekusangana neDC currents dzakachena dzakanyanya, senge munzvimbo dzemaindasitiri, kuiswa kwephotovoltaic (solar power), uye nzvimbo dzekuchaja mota dzemagetsi.
Kugona kwemhando yeB RCDs kuona nekupindura kumagetsi eDC akasara kwakakosha pakuona kuchengetedzeka kwemagetsi anoshandisa magetsi eDC. Pasina dziviriro iyi, pane njodzi yekuvhunduka kwemagetsi kana moto, kunyanya mumasisitimu anovimba zvakanyanya nemagetsi eDC, akadai sema solar panels nema bhatiri.
Kusarudza RCD Yakakodzera
Pakusarudza RCD yekushandisa chimwe chinhu, zvakakosha kufunga nezvezvinodiwa chaizvo uye njodzi dzine chekuita nekuiswa kwacho. MaRCD erudzi rweA akakodzera nzvimbo zhinji dzekugara nedzekutengeserana uko njodzi yekusangana nemacurrents asiri sinusoidal kana pulsating yakaderera. Zvisinei, munzvimbo dzine njodzi yakakura yekusangana nemacurrents eDC akachena, senge munzvimbo dzemaindasitiri kana dzesimba rezuva, maRCD erudzi rweB anokurudzirwa kuti ape dziviriro yepamusoro.
MaRCD erudzi rweA nerudzi rweB ese ari maviri akakosha ekuchengetedza akagadzirirwa kudzivirira kubva mukuvhunduka kwemagetsi uye njodzi dzemoto munzvimbo dzemagetsi. Kunyange zvazvo maRCD erudzi rweA akakodzera kushandiswa mudzimba nemabhizimisi, maRCD erudzi rweB anopa dziviriro yepamusoro uye anokurudzirwa munzvimbo dzine njodzi yekusangana nemagetsi eDC akachena akakwira.
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Nguva yekutumira: Kurume-25-2024
