Nigute ushobora kubara igipimo cya kabili?-Bishobora kwimurwa

Ubushobozi bwo gutwara amashanyarazi cyangwa insinga ni insinga nini ishobora gukomeza gutwara bitarenze igipimo cyayo cy'ubushyuhe.Birazwi kandi nka ampacity.

Mugihe insinga zikora zifite igihombo cyamashanyarazi kigaragara nkubushyuhe mumashanyarazi, insulasiyo nibindi bikoresho byose byubwubatsi.Igipimo kiriho kizaterwa nuburyo ubu bushyuhe bukwirakwizwa hejuru yumugozi no mubice bikikije.Igipimo cyubushyuhe bwa kabili nikintu kigena mubushobozi bwo gutwara umugozi.Igipimo ntarengwa cy'ubushyuhe kuri kabili kigenwa ahanini nibikoresho byo kubika.

Muguhitamo ubushyuhe bwibidukikije nkibanze shingiro ryibidukikije, izamuka ryubushyuhe ryemewe riraboneka aho urwego ntarengwa rushobora kubarwa kubidukikije.Niba ubushyuhe bwo kurwanya ubushyuhe bwumurongo wibikoresho byubatswe bizwi, ibipimo byagenwe birashobora kubarwa.

Inzira yo kubara ubushobozi bwo gutwara ni:

I = igipimo cyemewe

∆Φ = Ubushyuhe bwo kuyobora bwiyongera muri (K)

R = Guhinduranya imbaraga zubu kuri buri burebure bwumuyoboro ku bushyuhe ntarengwa bwo gukora (Ω / m)

Wd = igihombo cya dielectric kuri buri burebure bwa insulation ikikije umuyobozi (W / m)

T1 = Kurwanya ubushyuhe kuri buri burebure hagati yumuyobora umwe nicyatsi (K m / W)

T2 = kurwanya ubushyuhe bwumuriro kuburebure bwigitanda hagati yicyatsi nintwaro (K m / W)

T3 = kurwanya ubushyuhe kuri buri burebure bwa Sheath yo hanze ya kabili (K m / W)

T4 = kurwanya ubushyuhe bwumuriro hagati yuburebure bwa kabili nuburyo bukikije (K m / W)

n = umubare wabatwara imizigo muri kabili (abayobora ubunini bungana kandi batwara umutwaro umwe)

λ1 = Ikigereranyo cyigihombo mumashanyarazi yicyuma kugeza igihombo cyose mumashanyarazi yose muri iyo nsinga

λ2 = igipimo cyigihombo mubirwanisho hamwe nigihombo cyose mubayobora muri iyo kabel.