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Motsoako oa cable ke eng

The cable intermediate joint ke sesebelisoa se kopanyang cable le junction box, 'me se sebelisetsoa ho hokahanya mokokotlo oa cable kapa sheath, insulation le sheath ho e mong.Lits'ebetsong tsa sistimi ea matla, palo ea likhokahano tse mahareng e phahame.Manonyeletso a tloaelehileng a mahareng a na le mofuta o otlolohileng (oo hangata o tsejoang e le "ho otloloha ka ho otloloha") le mofuta oa bend-through.

Litšobotsi tsa mofuta o otlolohileng ke:
(1) Sebopeho se bonolo, boholo bo fokolang le boima bo bobebe;

(2) Kaho e loketse, 'me e ka sebetsoa ntle le ho hlobola lesela le ka ntle la mohala nakong ea ho kenya;

(3) Theko e theko e tlaase, empa tahlehelo ea mohala ka mor'a ho beha e kholo.

Litšobotsi tsa mofuta oa bent-through ke:
(1) Sebopeho se rarahane ho feta;

(2) Tahlehelo ea mohala e hlahisoang ka mor'a ho behoa e nyenyane ho feta ea mofuta o otlolohileng;

(3) Kaho e khathatsa hanyane;

(4) Theko e phahame hanyenyane.

Boenjiniere bo sebetsang, mokhoa oa ho hanyetsa oa DC o sebelisoa hangata ho bona ts'ebetso ea ho feta.Molao-motheo oa mokhoa oa ho hanyetsa oa DC ke hore ha motlakase oa DC o sebelisoa ho li-electrode tse peli tsa ho feta, boleng ba ho hanyetsa bo lekana ka tsela e fapaneng le sekwere sa motlakase o sebelisitsoeng.

Ka hona, hafeela boholo ba khanyetso ea DC bo lekanngoa, conductivity ea ho feta e ka tsejoa.Mekhoa ea ho lekanya khanyetso ea DC e arotsoe ka mekhahlelo e 'meli: mokhoa o tobileng le mokhoa o sa tobang:
Mokhoa o tobileng ke ho lekanya ka ho toba ho theoha ha motlakase oa DC pakeng tsa li-electrode tse peli tse nang le multimeter ho fumana melemo le boiketlo ba ho otloloha.

Mokhoa o sa tobang ke oa ho ahlola hore na oa tšoaneleha kapa che ka ho lekanya matla a feto-fetohang lipakeng tsa li-electrode tse peli, tse bitsoang mokhoa oa AC impedance kapa maqhubu a matla a ho mamella tlhahlobo ea voltage.Mokhoa oa tlhahlobo ea maqhubu a motlakase ke o mong oa mekhoa e tloaelehileng le e sebetsang ea ho ahlola hore na karolo e itseng ea conductor e ea tšoaneleha kapa che..

Ha motlakase oa frequency ea matla a boleng bo boletsoeng (hangata 50hz) o sebelisoa lipheletsong tse peli tsa conductor e lekiloeng, hlokomela hore na sehlahisoa se lekiloeng se na le ketsahalo e robehileng.Ha e sebetse karolong ena ea mohala.


Nako ea poso: Jul-02-2022