RCD Types Overview

Residual Current Devices (RCDs) zvinhu zvakakosha zvekuchengetedza zvakagadzirirwa kuchengetedza kubva kumagetsi uye njodzi dzemoto mukuisa magetsi.Vanotarisa kuenzana kwemagetsi ekupinda nekusiya dunhu, uye kana vakaona mutsauko, vanokurumidza kubvisa magetsi kudzivirira kukuvadza.Kune mhando mbiri huru dzeRCDs: Type A uye Type B, imwe neimwe iine yayo chaiyo maficha uye mashandisirwo.

Nyora A RCDs
Type A RCDs ndiyo yakajairika mhando uye yakagadzirirwa kupa dziviriro kubva kune AC sinusoidal, pulsating DC, uye yakatsetseka DC inosara mafungu.Izvo zvakakodzera kushandiswa munzvimbo dzakawanda dzekugara uye dzekutengeserana uko magetsi emagetsi ari nyore, uye njodzi yekusangana ne-non-sinusoidal kana pulsating currents yakaderera.
Chimwe chezvinhu zvakakosha zveType A RCDs kugona kwavo kuona uye kupindura kupuruzira DC inosara mafungu, ayo anowanzo kugadzirwa nemagetsi emagetsi senge makomputa, maTV, uye mwenje we LED.Izvi zvinoita kuti zvive zvakanaka kuti zvishandiswe mukuisa magetsi emazuva ano uko michina yakadai yakatekeshera.

Type B RCDs
Type B RCDs inopa yakakwira mwero wedziviriro uchienzaniswa neType A zvishandiso.Pamusoro pekupa dziviriro kubva kuAC sinusoidal, pulsating DC, uye yakatsetseka DC yakasara mafungu seRudzi A RCDs, ivo vanopawo dziviriro kubva kuchena DC inosara mafungu.Izvi zvinoita kuti dzive dzakakodzera kushandiswa munzvimbo dzine njodzi yekusangana nemhepo yakachena yeDC yakakwira, senge mumaindasitiri, mafotovoltaic (simba rezuva) kumisikidzwa, uye zviteshi zvekuchaja mota dzemagetsi.
Iko kugona kweType B RCDs kuona uye kupindura kune yakachena DC yasara mafungu kwakakosha mukuona kuchengetedzeka kwekuisa magetsi anoshandisa DC magetsi masosi.Pasina kudzivirirwa uku, kune njodzi yekuvhunduka kwemagetsi kana moto, kunyanya mumasisitimu anovimba zvakanyanya nemagetsi eDC, senge solar panel uye mabhatiri ekuchengetedza masisitimu.

Kusarudza RCD yakarurama
Pakusarudza RCD yeimwe application, zvakakosha kuti utarise izvo chaizvo zvinodiwa uye njodzi dzine chekuita nekuiswa.Type A RCDs inokodzera nzvimbo zhinji dzekugara uye dzekutengesa uko njodzi yekusangana isiri-sinusoidal kana pulsating currents yakaderera.Nekudaro, munzvimbo dzine njodzi yakanyanya yekusangana nemhepo yakachena yeDC, senge mumaindasitiri kana kuisirwa magetsi ezuva, Type B RCDs dzinokurudzirwa kuti dzipe yakanyanya kudzivirira.

Type A uye Type B RCDs ese ari maviri akakosha ekuchengetedza maturusi akagadzirirwa kudzivirira kubva kumagetsi kuvhunduka uye njodzi dzemoto mukuisa magetsi.Nepo Type A RCDs dzakakodzerwa neakawanda ekugara uye ekutengesa zvikumbiro, Type B RCDs inopa mwero wepamusoro wedziviriro uye inokurudzirwa kune nharaunda uko njodzi yekusangana yakachena DC mafungu akakwira.
Kana uchida kuziva zvakawanda pamusoro peizvi, tapota inzwa wakasununguka kutibata nesu.
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