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Joang ho bala tekanyo ea hona joale ea cable?-Slocable

  • litaba2021-03-02
  • litaba

6mm cable ea letsatsi

 

Matla a hona joale a ho jara a conductor kapa cable e insulated ke boholo ba hona joale boo e ka tsoelang pele ho bo jara ntle le ho feta tekanyo ea mocheso oa eona.E boetse e tsejoa e le ampacity.

Ha lithapo li ntse li sebetsa, li na le tahlehelo ea motlakase e hlahang e le mocheso ka har'a sekontiri, sekontiri le likarolo tse ling tsa tšepe mohahong.Tekanyo ea hona joale e tla itšetleha ka hore na mocheso ona o qhaloa joang ka holim'a cable le libakeng tse potolohileng.Tekanyo ea mocheso oa mohala ke ntlha e khethollang matla a hona joale a ho jara mohala.Tekanyo e phahameng ea mocheso bakeng sa cable ha e le hantle e khethoa ke thepa ea ho kenya letsoho.

Ka ho khetha mocheso oa tikoloho e le motheo oa tikoloho, ho phahama ho amohelehang hoa fumaneha moo tekanyo e phahameng ea cable e ka baloang bakeng sa tikoloho e itseng.Haeba boleng ba ho hanyetsa mocheso oa lera la thepa ka mohahong oa cable bo tsejoa, hona joale e lekantsoeng e ka baloa.

Foromo ea ho bala bokhoni ba hona joale ba ho jara ke:

Mokhoa oa ho bala tekanyo ea hona joale ea cable

I = tekanyo e amohelehang ea hona joale

∆Φ = Ho phahama ha mocheso oa Conductor ka (K)

R= Ho hanyetsa hona joale ho fapana ka bolelele ba yuniti ea conductor ka mocheso o phahameng oa ts'ebetso (Ω/m)

Wd = tahlehelo ea dielectric ka bolelele ba yuniti bakeng sa insulation e potolohileng conductor (W / m)

T1 = Ho hanyetsa mocheso ka bolelele ba yuniti pakeng tsa mokhanni a le mong le sheath (K m/W)

T2 = ho hanyetsa mocheso ka bolelele ba yuniti ea bethe pakeng tsa sheath le lihlomo (K m/W)

T3 = ho hanyetsa mocheso ka bolelele ba yuniti ea Sheath ea kantle ea thapo (K m/W)

T4 = ho hanyetsa mocheso ka bolelele ba yuniti pakeng tsa sebaka sa cable le sebaka se potolohileng (K m/W)

n = palo ea li-conductor tse tsamaisang mojaro ka thapo (li-conductors tsa boholo bo lekanang le ho jara mojaro o tšoanang)

λ1 = Karolelano ea tahlehelo ka har'a sheath ea tšepe ho tahlehelo e felletseng ho li-conductor tsohle tsa thapo eo

λ2 = karo-karolelano ea tahlehelo sebakeng sa lihlomo ho tahlehelo e felletseng ho li-conductor tsohle tse thapong eo.

Dongguan Slocable Photovoltaic Technology Co.,LTD.

Eketsa:Guangda Manufacturing Hongmei Science and Technology Park, No. 9-2, Hongmei Section, Wangsha Road, Hongmei Town, Dongguan, Guangdong, China

TEL: 0769-22010201

E-mail:pv@slocable.com.cn

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