Chidule cha Mitundu ya RCD

Zipangizo Zamagetsi Zotsalira (RCDs) ndi zida zofunika kwambiri zotetezera zomwe zimapangidwa kuti ziteteze ku ngozi yamagetsi ndi zoopsa zamoto pakuyika magetsi. Zimayang'anira bwino momwe magetsi amalowera ndi kutuluka mu dera, ndipo ngati zawona kusiyana, zimachotsa magetsi mwachangu kuti zisavulale. Pali mitundu iwiri ikuluikulu ya ma RCD: Mtundu A ndi Mtundu B, iliyonse ili ndi mawonekedwe akeake komanso ntchito zake.

Ma RCD a Mtundu A
Ma RCD a Mtundu A ndi omwe amapezeka kwambiri ndipo amapangidwira kuteteza ku mafunde a AC sinusoidal, pulsating DC, ndi mafunde otsala a DC osalala. Ndi oyenera kugwiritsidwa ntchito m'malo ambiri okhala ndi anthu komanso amalonda komwe makina amagetsi ndi osavuta, ndipo chiopsezo chokumana ndi mafunde osakhala a sinusoidal kapena pulsating ndi chochepa.
Chimodzi mwa zinthu zofunika kwambiri za ma RCD a Type A ndi kuthekera kwawo kuzindikira ndikuyankha mafunde otsala a DC, omwe nthawi zambiri amapangidwa ndi zida zamagetsi monga makompyuta, ma TV, ndi magetsi a LED. Izi zimapangitsa kuti akhale abwino kwambiri kugwiritsa ntchito m'malo amagetsi amakono komwe zida zotere zimapezeka kwambiri.

Ma RCD a Mtundu B
Ma RCD a Mtundu B amapereka chitetezo chapamwamba poyerekeza ndi zida za Mtundu A. Kuwonjezera pa kupereka chitetezo ku ma AC sinusoidal, pulsating DC, ndi ma DC residual currents osalala monga Type A RCDs, amaperekanso chitetezo ku ma DC residual currents oyera. Izi zimapangitsa kuti akhale oyenera kugwiritsidwa ntchito m'malo omwe chiopsezo chokumana ndi ma DC currents oyera chili chachikulu, monga m'malo opangira mafakitale, ma photovoltaic (solar power), ndi malo ochajira magalimoto amagetsi.
Kuthekera kwa ma RCD a Type B kuzindikira ndikuyankha mafunde otsala a DC ndikofunikira kwambiri pakuwonetsetsa kuti magetsi omwe amagwiritsa ntchito magwero amagetsi a DC ndi otetezeka. Popanda chitetezo ichi, pali chiopsezo cha kugwedezeka kwa magetsi kapena moto, makamaka m'makina omwe amadalira kwambiri magetsi a DC, monga ma solar panels ndi makina osungira mabatire.

Kusankha RCD Yoyenera
Posankha RCD ya ntchito inayake, ndikofunikira kuganizira zofunikira ndi zoopsa zomwe zimagwirizanitsidwa ndi kukhazikitsa. Ma RCD a Mtundu A ndi oyenera malo ambiri okhala ndi malo ogulitsira komwe chiopsezo chokumana ndi mafunde osakhala a sinusoidal kapena pulsating ndi chochepa. Komabe, m'malo omwe pali chiopsezo chachikulu chokumana ndi mafunde a DC oyera, monga m'mafakitale kapena m'malo opangira mphamvu ya dzuwa, ma RCD a Mtundu B amalimbikitsidwa kuti apereke chitetezo chapamwamba kwambiri.

Ma RCD a Mtundu A ndi Mtundu B ndi zida zofunika kwambiri zotetezera zomwe zimapangidwa kuti ziteteze ku kugwedezeka kwa magetsi ndi zoopsa zamoto m'mafakitale amagetsi. Ngakhale kuti ma RCD a Mtundu A ndi oyenera kugwiritsidwa ntchito m'nyumba zambiri komanso m'mabizinesi, ma RCD a Mtundu B amapereka chitetezo chapamwamba ndipo amalimbikitsidwa m'malo omwe chiopsezo chokumana ndi mafunde a DC oyera ndi chachikulu.
Ngati mukufuna kudziwa zambiri za izi, chonde musazengereze kulankhulana nafe.
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