I-THW wire yimathiriyeli yocingo yombane eguquguqukayo enezibonelelo zokuxhathisa ubushushu obuphezulu, ukumelana nokunxiba, amandla ombane aphezulu, kunye nokufakwa lula.I-THW wire isetyenziswa ngokubanzi kwiindawo zokuhlala, zorhwebo, ngaphezulu, kunye nangaphantsi komhlaba, kwaye ukuthembeka kwayo kunye noqoqosho kuye kwaba enye yezinto ezikhethiweyo zocingo kumashishini okwakha kunye nombane.
Yintoni ucingo lweTHW
I-THW wire luhlobo lwentambo yombane yenjongo ngokubanzi equlunqwe ikakhulu ngumqhubi owenziwe ngobhedu okanye i-aluminiyam kunye ne-insulation material eyenziwe nge-polyvinyl chloride (PVC).I-THW imele iPlastiki yePlastiki yobushushu obuphezulu obukwazi ukumelana neMozulu iCable.Olu cingo alunakusetyenziswa kuphela kwiinkqubo zokusasazwa kwangaphakathi, kodwa nakwiintambo zentambo ezingaphezulu kunye nangaphantsi komhlaba, kunye noluhlu olubanzi lwezicelo.I-THW wire isetyenziswa kakhulu eMntla Melika nakweminye imimandla kwaye ithandwa kakhulu.
Iimpawu zocingo lweTHW
I-1.Ukumelana nokushisa okuphezulu, i-THW wire isebenzisa izinto ze-PVC njenge-insulation layer, eyenza i-wire ibe nokumelana nokushisa okuphezulu kwaye inokumelana nokushisa okuphezulu kokusebenza kunye nomthwalo wangoku.Ke ngoko, ucingo lwe-THW lufanelekile kakhulu ukuba lusetyenziswe kwiindawo ezinobushushu obuphezulu.
I-2.Ukuxhatshazwa kwe-Wear, i-sheath yangaphandle ye-THW wire yenziwe ngezinto ze-PVC, ezinokukhusela ngokufanelekileyo ucingo ekugqokeni nasekulonakaleni.Olu cingo aluchaphazeli izinto zangaphandle zomzimba okanye zekhemikhali kwaye lunokugcina ukusebenza kwalo kakuhle ixesha elide.
I-3.Umthamo we-voltage ephezulu, ucingo lwe-THW lunamandla aphezulu ombane kwaye lunokusebenza ngokukhuselekileyo phantsi kweemeko eziphezulu zombane.Olu cingo lunokumelana nomthamo omkhulu we-600V, onokuhlangabezana neemfuno zezicelo ezininzi zokuhlala kunye nezorhwebo.
I-4.Easy ukuyifaka, i-THW wire iguquguqukayo, okwenza kube lula kakhulu ukuyifaka kunye nocingo.Ngenxa ye-elasticity kunye nokuguquguquka kwayo, ucingo lwe-THW lunokugoba ngokulula kwaye lujijekile, okwenza ukufakela kube lula ngakumbi.
Ukusetyenziswa kocingo lweTHW
I-1.Ukusetyenziswa kwendawo yokuhlala kunye neyorhwebo, i-THW wire iyona nxalenye ephambili yeesekethe zangaphakathi kunye neenkqubo zokusasazwa kwezakhiwo, ngokuqhelekileyo zisetyenziselwa ukunikezelwa kwamandla kwezixhobo ezahlukeneyo zendlu ezifana nezibane, iziseko, iithelevishini kunye ne-air conditioners.
Imigca ye-cable ye-2.Overhead, ngenxa ye-THW ye-high-temperature resistant and wear resistance, inokumelana neemeko zemozulu ezibi kakhulu kunye neempembelelo zendalo zangaphandle, ngoko isetyenziswa ngokubanzi kwimigca yentambo ephezulu.
3.Imigca yentambo engaphantsi komhlaba, i-insulation layer ye-THW wire inokuthintela ucingo ukuba lungadibanisi namanzi okanye ezinye iindawo zangaphandle, ngoko ke luhlala lusetyenziswa kwimigca yentambo engaphantsi komhlaba.Olu cingo luyakwazi ukuxhathisa ukufuma kunye nemekobume efumileyo kwaye lunokukhusela ucingo ekudlekeni nasekugugekeni.
THW ucingo VS.THWN ucingo
Ucingo lwe-THW, ucingo lwe-THHN kunye nocingo lwe-THWN zonke ziimveliso ezisisiseko zocingo olulodwa.Iingcingo ze-THW kunye neengcingo ze-THWN zifana kakhulu ngenkangeleko kunye nemathiriyeli, kodwa umahluko omkhulu phakathi kwazo ngumahluko kwi-insulation kunye nemathiriyeli yebhatyi.Iingcingo ze-THW zisebenzisa i-polyvinyl chloride (PVC) ukugquma, ngelixa iingcingo zeTHWN zisebenzisa i-thermoplastic polyethylene (XLPE) yodidi oluphezulu.Xa kuthelekiswa ne-PVC, i-XLPE iphezulu ekusebenzeni, ngokuxhathisa okungcono kwamanzi kunye nokuxhathisa ubushushu.Ngokuqhelekileyo, ukushisa okusebenzayo kwe-THWN wire kunokufikelela kwi-90 ° C, ngelixa i-THW wire yi-75 ° C kuphela, oko kukuthi, ucingo lwe-THWN lunokumelana nokushisa okunamandla.
THW ucingo VS.THHN ucingo
Nangona zombini iingcingo ze-THW kunye neengcingo ze-THHN zenziwe ngeengcingo kunye ne-insulation layers, umahluko kwizinto zokufakelwa kwezinto zikhokelela ekusebenzeni kwazo okwahlukileyo kwezinye iinkalo.Iingcingo ze-THW zisebenzisa i-polyvinyl chloride (PVC) izinto, ngelixa iingcingo ze-THHN zisebenzisa i-high-temperature epoxy acrylic resin (i-THERMOPLASTIC HIGH HEAT RESISTANT NYLON), ehlala izinzile kumaqondo aphezulu.Ukongeza, iingcingo zeTHW zithambile ngokubanzi kuneengcingo zeTHHN ukuze zilungele iimeko zosetyenziso ezininzi.
Iingcingo ze-THW kunye neengcingo ze-THHN nazo ziyahluka kwisiqinisekiso.Zombini i-UL kunye ne-CSA, amaqumrhu amabini amakhulu okuqinisekisa umgangatho e-United States naseKhanada, abonelela ngesatifikethi seengcingo ze-THW kunye ne-THHN.Nangona kunjalo, iikhrayitheriya zokuqinisekiswa kwezi zimbini zahluke kancinane.Ucingo lwe-THW kufuneka luqinisekiswe nge-UL, ngelixa ucingo lwe-THHN lufuna ukuhlangabezana neemfuno ze-UL kunye ne-CSA yokuqinisekisa i-arhente.
Ukushwankathela, i-THW wire yimathiriyeli yocingo esetyenziswa ngokubanzi, kwaye ukuthembeka kwayo kunye noqoqosho kuye kwaba yenye yezinto ezikhethiweyo zocingo kwishishini lokwakha kunye neshishini lombane.Ucingo lwe-THW lusebenza kakuhle kwaye lunokuhlangabezana neemfuno zezihlandlo ezahlukeneyo, ukuzisa lula kunye nokhuseleko kubomi bethu nakwishishini.
Ixesha lokuposa: Jul-15-2023