CT star point nwere nnukwu mkpa na Nchedo & Ngwa ngwa nke sistemu ike & ike na-eru n'otu n'otu. Na nchekwa ngwa CT kpakpando nwere ọrụ dị mkpa tumadi na ngwa ndị ahụ ebe a ga-atụle ntụziaka nke ugbu a. Ọ bụ ezie na n'oge a dijitalụ relays direction nke mmejọ ugbu a na-ekpebi site na-adọ n'akuku kama nke ugbu a Ịbanye ma ọ bụ na-ahapụ ndị na-anọpụ iche ọnụ maka n'ihu & laa azụ mmejọ n'otu n'otu, Otú ọ dị, ka a ot echiche nke CT star point kwesịrị n'ebe na-echebe ihe na-apụghị ileghara kpamkpam na niile nchedo ngwa. Ọmụmaatụ ma ọ bụrụ na a directional n'elu ugbu / n'ụwa kpatara ma ọ bụrụ na kpakpando adịghị eguzobe n'ebe ihe echedoro na-enwe ohere nke maloperation ma ọ bụ ọ bụrụ na eriri igwe nke Neutral CT ejikọrọ na a siri ike waya di iche iche relay ga-eche n'ihu mmejọ dị ka a azụ mmejọ & a ga-enwe ohere nke imebi na mkpokọta nchedo. N'otu aka ahụ, na metering ngwa star point nwere nnọọ oké mkpa ọrụ. Ọ bụrụ na nguzobe nke mmalite ezighi ezi, a ga-ewere mbubata ike dị ka mbupụ ike ma ọ bụ nke ọzọ, site na ngwaọrụ metering, & ọ ga-emecha metụta usoro ịgba ụgwọ.
N'otu aka ahụ, okpukpu abụọ earthing na CT secondary na-eduga n'ọtụtụ nsogbu na ngwa nchebe. A ga-enwe naanị otu ebe ala dị ka ọkọlọtọ dịnụ n'ihi na ịgha okpukpu abụọ nwere ike iduga mmebi nke relay nchekwa n'oge ọnọdụ mmejọ, n'agbanyeghị, n'oge ọnọdụ nkịtị, ọ na-arụ ọrụ nke ọma. Na usoro na-enweghị isi, okpukpu abụọ nke ụwa na-enye ụzọ yiri nke na-ezighị ezi ugbu a na waya na-anọpụ iche & nke ugbu a na-anọgide na-ekesa na-anọpụ iche kama iru erugharị eriri igwe n'ọnọdụ ụfọdụ, ya mere, ọ gaghị arụ ọrụ ọsọ ọsọ na ọnọdụ adịghị mma. N'ihe banyere mmejọ mpụga na relay dị iche iche, okpukpu abụọ nwere ike ịmepụta ọdịiche nwere ike na-anọpụ iche & ọ ga-emepụta ihe na-adịghị mkpa karịa ugbu a nke na-abụghị amụma nke isi ihe dị ugbu a & n'ikpeazụ ọ ga-arụ ọrụ ntụgharị dị iche iche site na mmejọ. Ya mere, na-eme ka otu earthing mgbe niile na CT secondary circuit dị ka ọkọlọtọ dị.
Kedu ihe pụtara CT Star point formation & Single Point Earthing na CT sekondiri winding?
Apr 23, 2024
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