Uru na Ngwa nke Ngwaọrụ Nchedo AFDD

ỊghọtaNchedo AFDDn: Nduzi zuru oke

N'ụwa nchekwa eletriki, nchedo AFDD, ma ọ bụ nchekwa ngwaọrụ Arc Fault Detection, aghọwo ihe dị oke mkpa n'ichebe ụlọ obibi na ụlọ ahịa site na ọkụ eletrik. Ka teknụzụ na-aga n'ihu na ntụkwasị obi anyị na sistemụ eletriki na-aga n'ihu na-abawanye, nghọta nke nchekwa AFDD dị mkpa iji hụ na nchekwa eletriki na irube isi na ụkpụrụ eletriki nke oge a.

Gịnị bụ nchekwa AFDD?

E mepụtara ngwaọrụ nchekwa AFDD iji chọpụta nsogbu arc na sekit eletriki. Nsogbu arc bụ mwepụta eletriki a na-atụghị anya ya nke waya mebiri emebi, njikọ ndị na-adịghị mma, ma ọ bụ nsogbu eletriki kpatara. Ọ bụrụ na a gwọọghị ya ozugbo, nsogbu ndị a nwere ike ibute oke okpomọkụ ma malite ọkụ eletrik. E mepụtara AFDD iji chọpụta ọnọdụ ndị a dị ize ndụ ma gbanyụọ sekit ahụ tupu ọkụ emee.

Mkpa Nchedo AFDD

A pụghị ikwubiga okwu ókè banyere mkpa nchekwa AFDD dị. Ọtụtụ nnyocha egosila na ọkụ eletrik na-akpata nnukwu pasent nke ọkụ ụlọ, na-ebute mmebi ihe onwunwe, mmerụ ahụ, na ọnwụ. Site na itinye AFDD na sistemụ eletriki ha, ndị nwe ụlọ na azụmaahịa nwere ike ibelata nke ukwuu ihe egwu nke ihe ndị dị otú ahụ.

AFDDs dị irè karịsịa n'ebe ebe ihe mgbawa sekit ọdịnala anaghị enye nchebe zuru oke. Dịka ọmụmaatụ, sistemụ waya ochie ma ọ bụ nrụnye n'ebe ndị a na-emebi emebi nwere ike irite uru nke ukwuu site na nchekwa ọzọ nke AFDDs nyere. Na mgbakwunye, ka akụrụngwa na-ejikọkwu na sistemụ eletriki, ohere nke nsogbu arc na-abawanye, na-eme ka nchekwa AFDD dịkwuo mkpa.

Otu nchekwa AFDD si arụ ọrụ

AFDDs na-arụ ọrụ site n'ịlele ọkụ eletrik na-agafe na sekit mgbe niile. E mere ha ka ha chọpụta ụdị ọrụ eletriki ụfọdụ nke na-egosi na nsogbu arc dị. Mgbe achọpụtara nsogbu arc, ngwaọrụ ahụ na-akwụsị sekit ahụ ngwa ngwa, na-egbochi ihe egwu ọkụ nwere ike ime.

AFDD nwere ike ịchọpụta ụdị nsogbu arc abụọ bụ isi: usoro arc na parallel arcs. Usoro arcs na-eme mgbe onye na-eduzi ya gbawara, ebe parallel arcs na-eme mgbe nsogbu dị n'etiti ndị na-eduzi abụọ. AFDDs nwere ike ịchọpụta ụdị nsogbu abụọ ahụ, na-eme ka nchekwa zuru oke maka sistemụ eletriki.

Nwụnye na Nrubeisi

Ihe achọrọ maka itinye ngwaọrụ nchekwa AFDD na-esiwanye ike n'ọtụtụ mpaghara, ọkachasị n'ihe owuwu ọhụrụ na nrụzigharị. Ọtụtụ koodu eletriki, gụnyere Koodu Eletriki Mba (NEC) na United States, amalitela ịchọ ka e tinye AFDD n'ebe ụfọdụ nwere ihe egwu ọkụ dị elu, dịka ụlọ ihi ụra na ụlọ obibi.

Mgbe ị na-atụle nchekwa AFDD, gakwuru ọkachamara ọkụ eletrik ruru eru nke nwere ike inyocha sistemụ ọkụ eletrik gị ma kwado ngwaọrụ kwesịrị ekwesị. Ntinye kwesịrị ekwesị dị mkpa iji hụ na AFDD na-arụ ọrụ nke ọma ma na-enye ọkwa nchekwa a tụrụ anya ya.

Na mpempe

Na nchịkọta, nchekwa AFDD bụ akụkụ dị mkpa nke nchekwa eletriki nke oge a. Site n'ịghọta mkpa nchọpụta nsogbu arc na ọrụ ya n'igbochi ọkụ eletrik, ndị nwe ụlọ na azụmaahịa nwere ike ime ihe dị mkpa iji melite nchekwa ha. Ka teknụzụ na-aga n'ihu, itinye AFDD n'ime sistemụ eletriki nwere ike ịghọ omume ọkọlọtọ, na-ahụ na gburugburu ebe obibi anyị dị nchebe, a pụrụ ịtụkwasị obi, ma chebe ya pụọ ​​​​n'ihe egwu nke nsogbu eletriki. Itinye ego na nchekwa AFDD karịrị ihe achọrọ; ọ bụ nkwa maka nchekwa na udo nke obi n'ụwa nke na-aghọwanye ọkụ eletrik.