Ukubuka Konke Kwezinhlobo ze-RCD

Amadivayisi Amanje Asele (ama-RCD) ayimishini ebalulekile yokuphepha eyenzelwe ukuvikela ekushaqekeni kukagesi kanye nezingozi zomlilo ekufakweni kukagesi. Aqapha ibhalansi yamandla kagesi angena futhi aphumayo esiketheni, futhi uma ebona umehluko, anqamula ngokushesha ukunikezwa kwamandla kagesi ukuze avimbele ukulimala. Kunezinhlobo ezimbili eziyinhloko zama-RCD: Uhlobo A kanye nohlobo B, ngalinye linezici zalo ezithile kanye nezinhlelo zokusebenza.

Ama-RCD ohlobo A
Ama-RCD ohlobo A yiwona avame kakhulu futhi aklanyelwe ukuhlinzeka ngesivikelo kuma-AC sinusoidal, pulsating DC, kanye nama-DC residual currents abushelelezi. Afanele ukusetshenziswa ezindaweni eziningi zokuhlala nezentengiselwano lapho izinhlelo zikagesi zilula khona, futhi ingozi yokuhlangabezana nama-non-sinusoidal noma pulsating currents iphansi.
Esinye sezici ezibalulekile zama-RCD ohlobo lwe-A yikhono lawo lokubona nokuphendula kuma-DC residual currents ashaya ngamandla, avame ukukhiqizwa yimishini kagesi efana namakhompyutha, ama-TV, kanye nokukhanya kwe-LED. Lokhu kuwenza afaneleke ukusetshenziswa ekufakweni kukagesi kwesimanje lapho imishini enjalo ivame khona.

Ama-RCD ohlobo B
Ama-RCD ohlobo B anikeza izinga eliphezulu lokuvikelwa uma kuqhathaniswa namadivayisi ohlobo A. Ngaphezu kokunikeza ukuvikelwa kuma-AC sinusoidal, i-pulsating DC, kanye nama-DC residual currents abushelelezi njenge-Type A RCDs, aphinde anikeze ukuvikelwa kuma-DC residual currents ahlanzekile. Lokhu kuwenza afaneleke ukusetshenziswa ezindaweni lapho ingozi yokuhlangabezana nama-DC currents ahlanzekile iphezulu khona, njengasezindaweni zezimboni, ukufakwa kwamandla elanga, kanye neziteshi zokushaja izimoto zikagesi.
Ikhono lama-RCD ohlobo B lokubona nokuphendula kuma-DC residue currents ahlanzekile libalulekile ekuqinisekiseni ukuphepha kokufakwa kukagesi okusebenzisa imithombo yamandla e-DC. Ngaphandle kwalokhu kuvikelwa, kunengozi yokushaqeka kukagesi noma umlilo, ikakhulukazi ezinhlelweni ezithembele kakhulu kumandla e-DC, njengamaphaneli elanga kanye nezinhlelo zokugcina amabhethri.

Ukukhetha i-RCD Efanele
Uma ukhetha i-RCD yesicelo esithile, kubalulekile ukucabangela izidingo ezithile kanye nezingozi ezihlobene nokufakwa. Ama-RCD ohlobo A afaneleka ezindaweni eziningi zokuhlala nezokuhweba lapho ingozi yokuhlangana nemisinga engeyona eye-sinusoidal noma eshayayo iphansi. Kodwa-ke, ezindaweni lapho kunengozi ephezulu yokuhlangana nemisinga ehlanzekile ye-DC, njengasezindaweni zokufaka amandla ezimboni noma elanga, ama-RCD ohlobo B anconywa ukuthi ahlinzeke ngezinga eliphezulu lokuvikela.

Ama-RCD ohlobo A kanye nohlobo B womabili angamadivayisi okuphepha abalulekile aklanyelwe ukuvikela ekushaqekeni kukagesi kanye nezingozi zomlilo ekufakweni kukagesi. Nakuba ama-RCD ohlobo A efaneleka kakhulu ezindaweni zokuhlala nezentengiselwano, ama-RCD ohlobo B anikeza izinga eliphezulu lokuvikela futhi anconywa ezindaweni lapho ingozi yokuhlangabezana nemisinga ye-DC emsulwa iphezulu khona.
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