Njengoko imigangatho yokhuseleko lomlilo iqhubeka nokunyuka kumashishini afana nokwakhiwa kwezakhiwo, uthutho lukaloliwe, amaziko edatha, iikhemikhali zepetroli, kunye namandla avuselelekayo, iiMineral Insulated (MI) Cables ziye zaba sisisombululo esithandwayo kwiisekethe zamandla ezibalulekileyo ngenxa yokumelana kwazo nomlilo okubalaseleyo kunye nokuthembeka kwazo ixesha elide.
Xa kuthelekiswa neentambo zombane zesiqhelo, iintambo ze-MI zinokugcina ukuthembeka kwesekethe ngexesha lomlilo, ziqinisekisa ukunikezelwa kombane rhoqo kwiinkqubo ezibalulekileyo ezifana neempompo zomlilo, izibane ezingxamisekileyo, iilifti, kunye nezinye izixhobo zokhuseleko lobomi.
Kubavelisi beentambo, ukusebenza kweentambo akuxhomekanga kuphela kuyilo lweentambo kodwa nakwimigangatho yezixhobo zeentambo ezisetyenzisiweyo. I-Magnesium oxide (MgO), ii-copper conductors, ii-copper sheaths ezingenamthungo,iteyiphu ye-mica, iteyiphu yefayibha yeglasi, kunyeIikhompawundi ze-LSZHZonke zidlala indima ebalulekileyo ekumiseleni ukusebenziseka kwentambo, ukumelana nomlilo, kunye nokuthembeka kwexesha elide.
Yintoni intambo ye-Mineral Insulated (MI)?
Intambo ye-MI yendabuko ine-copper conductor, i-high-purity magnesium oxide (MgO) insulation, kunye ne-copper sheath engenamthungo yokukhusela oomatshini.
Ngenxa yokuba ubushushu bayo benziwe ngezinto ezingaphiliyo kunee-polymers ezitshayo, intambo ye-MI ayivelisi msi okanye iigesi ezirhabaxa ngexesha lomlilo ngelixa igcina ubushushu obuhle bombane. Oku kwenza ukuba ibe sisisombululo esisetyenziswa kakhulu kwiinkqubo zentambo ezimelana nomlilo.
Kwiminyaka yakutshanje, iintambo eziguquguqukayo ezigqunywe nge-insulation yeminerali ziye zathandwa kakhulu. Ezi zakhiwo zihlala ziquka i-mica tape, i-glass fiber tape, kunye nee-Low Smoke Zero Halogen (LSZH) compounds ukubonelela ngokusebenza kakuhle komlilo ngelixa ziphucula ukuguquguquka kokufakwa.
Iingenelo zeentambo ze-MI
Eyona nzuzo inkulu yeentambo ze-MI kukumelana kwazo nomlilo okugqwesileyo. Nokuba phantsi kweemeko zomlilo, zinokugcina ukuthembeka kwesekethe kwaye ziqhubeke nokubonelela ngombane kwiinkqubo zokhuseleko ezibalulekileyo.
I-sheath yobhedu engenamthungo ikwabonelela ngamandla aphezulu oomatshini, ukumelana nokuguguleka okugqwesileyo, kunye nokumelana kakuhle nokufuma, iioyile, kunye neekhemikhali ezininzi, okwenza iintambo ze-MI zifaneleke kwiindawo ezifuna kakhulu ezifana nokuhamba ngololiwe, izikhululo zamandla, izibonelelo ze-petrochemical, kunye nokufakelwa kwemizi-mveliso.
Xa kuthelekiswa neentambo zamandla zesiqhelo, iintambo ze-MI ngokubanzi zibonelela ngomthamo ophezulu wokuthwala umbane, ubomi benkonzo ende, kunye neemfuno zokugcinwa eziphantsi, nto leyo ezenza zifaneleke kakuhle kwizicelo ezibalulekileyo ezifuna ukusebenza rhoqo.
Imida yeeCables ze-MI
Nangona ziluncedo, iintambo ze-MI nazo zinemida eliqela.
Ngenxa yokuba zisebenzisa ubhedu oluninzi kwi-conductor nakwi-sheath, iindleko zezinto zokwakha zihlala ziphezulu kunezo zeentambo zombane zesiqhelo, nto leyo ebangela ukuba iindleko zokufakela ziphakame kakhulu.
Iintambo ze-MI eziqinileyo zemveli nazo zinokuguquguquka okulinganiselweyo, nto leyo eyenza ukufakwa kunye nokupheliswa kube nzima ngakumbi kwaye kufuna ulwazi oluthe kratya lokufakela.
Ukongeza, i-magnesium oxide (MgO) i-hygroscopic. Ukuba iziphelo zekhebula azivalwanga kakuhle, ukufuma kungangena kwi-insulation, kunciphisa ukumelana ne-insulation. Ngenxa yesi sizathu, ukuvalwa ngokufanelekileyo kweziphelo zekhebula kubalulekile ukuze kuthembeke ixesha elide.
Izinto zeCable ziyichaphazela njani indlela esebenza ngayo i-MI Cable?
Ukusebenza kwentambo ye-MI akuxhomekanga kuphela kuyilo lwayo kodwa nakwimigangatho kunye nokuhambelana kwezinto zayo zentambo.
I-magnesium oxide (i-MgO) ecocekileyo kakhulu inika ubushushu obunokuthenjwa bombane, ngelixa ii-copper conductors ezine-conductivity ephezulu kunye nee-copper sheaths ezingenamthungo zinegalelo ekusebenzeni kakuhle kombane kunye namandla oomatshini.
Kwiintambo ezigudileyo zeminerali ezigqunywe ngobushushu kunye nezinye iindlela zoyilo lweentambo ezingatshiyo, izinto ezifana neteyiphu ye-mica, iteyiphu yefayibha yeglasi, iteyiphu yobhedu, kunye neekhompawundi ze-LSZH nazo zidlala indima ebalulekileyo. Ezi zinto zinceda ekuphuculeni ukusebenza komlilo, ukhuseleko loomatshini, uzinzo lokucubungula, ukuthembeka kwesakhiwo, kunye nokuhambelana kwemveliso iyonke.
Kwabenzi beentambo, ukukhetha izixhobo zentambo ezikumgangatho ophezulu ezisebenza kakuhle kwaye zisebenza kakuhle kunokuphucula ukusebenza kakuhle kokuvelisa ngelixa kuphucula ukuthembeka kwexesha elide kunye nobomi benkonzo yentambo egqityiweyo.
Isiphelo
Ngenxa yokumelana kwazo nomlilo okubalaseleyo, amandla oomatshini, kunye nokuthembeka kwexesha elide, iintambo ze-MI zisetyenziswa kakhulu kwiinkqubo zokukhusela umlilo, uthutho lukaloliwe, amaziko edatha, iziseko zophuhliso zamandla, kunye nezinye izinto ezibalulekileyo.
Kwangaxeshanye, izixhobo zekhebula eziphambili—kuquka i-magnesium oxide (MgO), ii-copper copper, ii-seamless copper sheaths, i-mica tape, i-glass fiber tape, kunye nee-LSZH compounds—zinefuthe elithe ngqo kumgangatho wokwenziwa, ukusebenza komlilo, kunye nokuthembeka kwekhebula ixesha elide.
Njengoko imfuno yeenkqubo zekhebula ezingatshiyo iqhubeka ikhula, abavelisi bekhebula bagxininisa kakhulu ekusebenzeni kwezinto kunye nokuhambelana kokucubungula. Ukukhetha izixhobo zekhebula ezifanelekileyo kunye nokwenza ngcono uyilo lwekhebula kunye neenkqubo zokuvelisa kunokunceda ukuphucula ukuhambelana kwemveliso kunye nokuhlangabezana nemfuno ekhulayo yezisombululo zekhebula ezithembekileyo kakhulu.
Ixesha lokuthumela: Juni-30-2026