Chii Chinonzi Residual Current Device(RCD,RCCB)
RCD's iripo mumhando dzakasiyana siyana uye inoita zvakasiyana zvichienderana nekuvapo kwezvikamu zveDC kana ma frequency akasiyana.
Aya maRCD anotevera anowanikwa aine zviratidzo uye mugadziri kana mugadziri anodiwa kuti asarudze mudziyo wakakodzera kune chaiwo application.
Ndeipi iyo Type AC RCD inofanira kushandiswa?
General chinangwa chekushandisa, RCD inogona kuona & kupindura kune AC sinusoidal wave chete.
Ndeipi inofanira kushandiswa kunyora A RCD?
Zvishandiso zvinosanganisira zvinhu zvemagetsi RCD inogona kuona & kupindura semhando AC, PLUS inopuruzira DC zvikamu.
Ndeipi inofanira kushandiswa kunyora B RCD?
Majaja emotokari yemagetsi, PV zvekushandisa.
RCD inogona kuona & kupindura yerudzi F, PLUS yakatsetseka DC yasara ikozvino.
RCD's & Mutoro Wavo
RCD | Mhando dzeMutoro |
Type AC | Resistive, capacitive, inductive loads Immersion heater, oveni / hobho ine resistive kudziyisa zvinhu, yemagetsi shawa, tungsten/halogen mwenje |
Type A | Chikamu chimwe chete chine zvinhu zvemagetsi Single phase inverters,kirasi 1 IT & multimedia midziyo, magetsi emidziyo yekirasi 2, midziyo yakaita semichina yekuwachisa, magetsi ekudzora, induction hobs & EV kuchaja. |
Type B | Matanho matatu emagetsi emidziyo Inverters yekumhanyisa kudzora, kumusoro, EV kuchaja uko DC mhosva iripo> 6mA, PV |
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