Wahi a IEC60228, ua hoʻokaʻawale ʻia nā mea hoʻokele kelepona i ʻehā mau ʻano, ʻo ka ʻano mua, ka ʻano ʻelua, ke ʻano ʻelima, a me ke ʻano ʻeono.ʻO ke ʻano mua he conductor paʻa, ʻo ka ʻano ʻelua he conductor stranded, ʻo ka ʻano mua a me ka lua i manaʻo ʻia e hoʻohana ʻia no nā kaula hoʻopaʻa paʻa, ʻo ka ʻelima a me ke ono o nā ʻano i manaʻo ʻia e hoʻohana ʻia no nā kaula paʻa a me nā kaula, a ʻo ka lua. ʻO ke ʻano i manaʻo ʻia no nā mea hoʻokele o nā kaula lohi a me nā kaula.ʻOi aku ka palupalu ma mua o ka ʻelima.
1. Mea alakaʻi paʻa:
Uea keleawe annealed i hooheheeia a i ole i uhi ole ia, alumini i uhi ole ia a i ole uea alumini no na mea alakai.
ʻO nā mea hoʻokele keleawe paʻa he ʻāpana keʻa pōʻai, 25mm2 a ʻoi aku ka nui o nā mea lawe keleawe paʻa i manaʻo ʻia no nā uwea kūikawā, ʻaʻole no nā uwea maʻamau;No nā mea hoʻokele alumini paʻa, e pōʻai ka ʻāpana 16mm2 a ma lalo, no ka 25mm2 a i luna, e pōʻai ia i ka hihia o nā uwea kumu hoʻokahi, a hiki ke hoʻopuni ʻia a i ʻole ke ʻano o ke ʻano o nā uwea nui.
2. Ke alakaʻi hoʻopaʻa ʻia:
I mea e hoʻonui ai i ka maʻalahi a i ʻole ka liʻiliʻi o ke kaula, ua hoʻokumu ʻia ke kumu uwea me kahi ʻāpana keʻa nui ma ka wili ʻana i nā uea hoʻokahi me kahi anawaena liʻiliʻi.ʻO ke kumu uea i wili ʻia e nā uea hoʻokahi he maʻalahi a me ka curvature nui.Ke piʻo ke kumu uea, hiki i nā ʻāpana o loko a me waho o ka laina waena o ke kumu uea ke neʻe a uku kekahi i kekahi.I ka wā e kulou ai, ʻaʻole ia e hoʻololi i ka plastic deformation o ka conductor, no laila palupalu ke kumu uea.Hoʻomaikaʻi nui ʻia ka hana a me ke kūpaʻa.
Hiki ke hoʻokaʻawale ʻia ke ʻano stranding o ke kumu i ʻelua ʻano, ka stranding maʻamau a me ka stranding irregular.ʻO ka wehewehe ʻana o ka stranding maʻamau ʻo ia: ʻo ka stranding o nā conductors me ka maʻamau, concentricity a me nā papa holomua ma nā ʻaoʻao like ʻole i kapa ʻia ʻo ka stranding maʻamau.Hiki ke hoʻokaʻawale ʻia i ka stranding maʻamau maʻamau a me ka stranding maʻamau maʻamau.ʻO ka mea hope e pili ana i ka layer-to-layer ʻO ke kaula maʻamau me nā anawaena uwea ʻokoʻa, ʻoiai ʻo ka mea mua ke ʻano o nā anawaena o nā uea constituent ua like nā mea a pau;Hiki ke hoʻokaʻawale ʻia ka stranding maʻamau i ka stranding maʻamau maʻamau a me ka stranding maʻamau.ʻO ka mea hope, ʻaʻole hoʻokahi wale nō nā uea e hana ai i ka stranding maʻamau, akā ua wili ʻia i loko o nā kaula e nā kaula lahilahi e like me nā lula, a laila wili ʻia i loko o nā cores., Hoʻohana nui ʻia kēia ʻano wili e hoʻoneʻe i ke kumu o ke kaula insulated rubber e hoʻomaikaʻi i kona maʻalahi.Hoʻopaʻa ʻole ʻia (hui pū ʻia), ua wili ʻia nā uea hui āpau i ka ʻaoʻao like.
2.1 ʻO nā mea hoʻokele pōʻai ʻaʻole i hoʻopaʻa ʻia:
ʻO ka ʻāpana keʻa o ka mea alakaʻi alumini a puni i hoʻopaʻa ʻia ʻaʻole ma lalo o 10mm2.Pono nā uea hoʻokahi i ka conductor e like me ke anawaena nominal, a ʻo ka helu o nā uea hoʻokahi a me ke kūpaʻa DC o ka conductor e kūpono i nā kūlana.
Ka
ʻAʻole pono e emi iho ka ʻāpana keʻa o nā mea hoʻokele alumini a puni i hoʻopaʻa paʻa ʻia ma mua o 16mm2, ʻaʻole pono e emi iho ka ʻāpana o ke keleawe a i ʻole nā alumini alumini ma lalo o 25mm2, ʻaʻole pono e ʻoi aku ka nui o ke anawaena o nā uea like ʻole ʻelua i ka conductor hoʻokahi. , a me ka helu o nā uwea hoʻokahi a me ke kū'ē DC o ka conductor e hoʻokō me nā lula maʻamau.
3. Mea alakai palupalu:
He uwea keleawe annealed i uhiia a me unplated.ʻO nā uea hoʻokahi i loko o ka conductor e like me ke anawaena nominal like, ʻaʻole pono ke anawaena o nā uea hoʻokahi i ka mea hoʻokele i ʻoi aku ka nui o ka waiwai i ʻōlelo ʻia, ʻoi aku ka lahilahi o ke anawaena o ka mea hoʻokele ʻeono ma mua o ka ʻelima o ka conductor hoʻokahi uea, a me ka conductor. ʻAʻole pono ke kū'ē ma mua o ka waiwai nui i'ōleloʻia ma ka maʻamau.
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Ka manawa hoʻouna: ʻAukake-02-2023
