1. Menene kebul na hana ruwa?
Ana kiran igiyoyin igiyoyi waɗanda za a iya amfani da su akai-akai a cikin ruwa tare da igiyoyin wutar lantarki masu jure ruwa (mai hana ruwa ruwa). Lokacin da kebul ɗin ya shimfiɗa a ƙarƙashin ruwa, sau da yawa yana nutsewa cikin ruwa ko wuraren rigar, ana buƙatar kebul don samun aikin rigakafin ruwa (juriya), wato, ana buƙatar samun aikin cikakken juriya na ruwa, don hana ruwa daga nutsewa cikin kebul ɗin, yana haifar da lalacewa ga kebul, da tabbatar da kwanciyar hankali na dogon lokaci na USB a ƙarƙashin ruwa. Samfurin kebul mai hana ruwa da aka saba amfani da shi shine JHS, wanda ke cikin kebul na hannun roba mai hana ruwa, kebul mai hana ruwa kuma an raba shi zuwa kebul mai hana ruwa ruwa da kebul na kwamfuta mai hana ruwa, da dai sauransu, kuma wakilan samfurin sune FS-YJY, FS-DJYP3VP3.
2. Nau'in tsarin kebul mai hana ruwa
(1). Don igiyoyi guda ɗaya, kunsaSemi-conductive ruwa tarewa tefa kan garkuwa garkuwa, kunsa talakawaruwa tare tefwaje, sa'an nan kuma matsi da m kwasfa, domin tabbatar da cikakken lamba na karfe garkuwa, kawai kunsa da Semi-conductive ruwa tarewa tef a waje da rufi garkuwa, karfe garkuwa daina kunsa da ruwa tarewa tef, dangane da matakin hana ruwa aiki bukatun, da cika za a iya cika da talakawa filler ko ruwa block filler. Rubutun ciki da kayan kwasfa na waje iri ɗaya ne da waɗanda aka kwatanta a cikin kebul na tsakiya guda ɗaya.
(2). Ƙwararren tef ɗin aluminium mai lullube da filastik ana lulluɓe a cikin kwasfa na waje ko Layer na ciki a matsayin mai hana ruwa.
(3). Fitar da babban kumfa na HDPE kai tsaye akan kebul. Kebul ɗin da aka keɓe na XLPE da ke sama da 110kV yana sanye da kwano na ƙarfe don biyan buƙatun hana ruwa. Garkuwar ƙarfe yana da cikakkiyar rashin ƙarfi da kuma juriya mai kyau na radial. Babban nau'ikan kwasfa na karfe sune: hannun rigar aluminium mai zafi, matsewar gubar mai zafi, welded corrugated aluminum welded, welded corrugated karfe hannun riga, hannun karfen zana sanyi da sauransu.
3. Tsarin ruwa mai hana ruwa na USB
Gabaɗaya an raba su zuwa Tsayayyen ruwa da radial juriya biyu. Ana amfani da juriya na ruwa a tsaye donruwan toshe yarn, Ruwa foda da ruwa toshe tef, ruwa juriya inji ne a cikin wadannan kayan dauke da wani ruwa iya fadada abu, a lokacin da ruwa daga kebul karshen ko daga sheath lahani a cikin, wannan abu zai sauri fadada ruwa don hana kara yaduwa tare da na USB a tsaye, don cimma manufar na USB a tsaye hana ruwa. The radial ruwa juriya aka yafi samu ta extruding HDPE wadanda ba karfe kwasfa ko zafi latsa, waldi da sanyi zane karfe kwasfa.
4. Rarraba igiyoyi masu hana ruwa
Akwai galibi nau'ikan igiyoyi masu hana ruwa guda uku da ake amfani da su a kasar Sin:
(1). Kebul ɗin da aka keɓe na takarda mai shi ne kebul ɗin da ya fi dacewa da ruwa. Ƙwararrensa da masu tafiyar da shi suna cike da man fetur na USB, kuma akwai jaket na ƙarfe (jaket ɗin gubar ko jaket na aluminum) a waje da rufin, wanda shine mafi kyawun igiyar ruwa. A da, yawancin igiyoyin ruwa na karkashin ruwa (ko karkashin ruwa) suna amfani da igiyoyin da aka rufe da takarda na mai, amma igiyoyin da aka keɓe na takarda mai suna iyakancewa ta hanyar digo, ana samun matsala ta zubar mai, kuma kulawa ba ta da kyau, kuma yanzu ana amfani da su kadan.
(2). Kebul na ethylene propylene robar da aka keɓe da aka yi amfani da shi sosai a cikin ƙananan ƙarancin wutar lantarki da matsakaicin layin watsa ruwa ya faru ne saboda babban aikin da yake yi ba tare da damuwa da “bishiyar ruwa ba”. Kebul ɗin roba mai hana ruwa (Nau'in JHS) na iya aiki lafiya a cikin ruwa mara zurfi na dogon lokaci.
(3). Cross-linked polyethylene (XLPE) makarantaccen kebul na wutar lantarki saboda kyawawan kayan lantarki, injiniyoyi da kaddarorin jiki, kuma tsarin samarwa yana da sauƙi, tsarin haske, babban ƙarfin watsawa, shigarwa da kiyayewa ya dace, ba iyakance ta digo da sauran fa'idodi ba, ya zama mafi yawan amfani da kayan rufin, amma yana da kulawa musamman ga danshi, a cikin masana'anta da aiwatar da aiki idan rufin yana da ruwa mai ƙarfi, gajeriyar sabis na kebul, rage ƙarancin ruwa. Don haka, kebul na kebul na polyethylene mai haɗin giciye, musamman matsakaici da babban ƙarfin wutar lantarki a ƙarƙashin aikin wutar lantarki na AC, dole ne ya sami "tsarin toshe ruwa" lokacin amfani da shi a cikin yanayin ruwa ko yanayin rigar.
5. Bambanci tsakanin kebul mai hana ruwa da kebul na yau da kullun
Bambanci tsakanin igiyoyi masu hana ruwa ruwa da igiyoyi na yau da kullun shine ba za a iya amfani da igiyoyi na yau da kullun a cikin ruwa ba. Cable mai hana ruwa ruwa ta JHS shima wani nau'i ne na kebul na roba mai sassauƙa, rufin shine rufin roba, kuma kebul na roba na roba na yau da kullun, na USB mai hana ruwa na JHS ana yawan amfani dashi, amma yana cikin ruwa ko wasu zasu wuce ta cikin ruwa. Waterproof igiyoyi ne kullum 3 core, mafi yawansu ana amfani da lokacin da a haɗa famfo, farashin hana ruwa igiyoyi zai zama mafi tsada fiye da talakawa roba sheath igiyoyi, da wuya a gane ko mai hana ruwa daga bayyanar, kana bukatar ka tuntubi mai sayarwa don sanin mai hana ruwa Layer.
6. Bambance-bambance tsakanin kebul mai hana ruwa da kebul na ruwa
Kebul mai hana ruwa: hana ruwa shiga ciki na tsarin kebul, ta amfani da tsari da kayan da ba su da ruwa.
Kebul na toshe ruwa: Gwajin yana ba da damar ruwa shiga ciki na kebul ɗin, kuma baya bada izinin shiga cikin ƙayyadadden tsayi a ƙarƙashin ƙayyadaddun yanayi. Ruwa tare da kebul ya kasu kashi biyu na tarewa ruwa da kuma na USB core water blocking.
Tsarin toshe ruwa na madugu: ƙara foda mai toshe ruwa da zaren toshe ruwa a cikin tsari na igiyar waya guda ɗaya, lokacin da madugu ya shiga cikin ruwa, ruwan toshe foda ko zaren toshe ruwa yana faɗaɗa da ruwa don hana shigar ruwa, ba shakka, ingantaccen madubi yana da mafi kyawun aikin hana ruwa.
Tsarin toshewar ruwa na cibiyar kebul: lokacin da kullin waje ya lalace kuma ruwan ya shiga, tef ɗin toshe ruwa yana faɗaɗa. Lokacin da tef ɗin da ke toshe ruwa ya faɗaɗa, da sauri ya samar da sashin toshe ruwa don hana ƙarin shigar ruwa. Ga na USB mai nau'in nau'i uku, yana da matukar wahala a cimma cikakkiyar juriya na ruwa na na USB, saboda matsakaicin ratar na USB mai mahimmanci uku yana da girma kuma ba bisa ka'ida ba, ko da an cika amfani da toshewar ruwa, tasirin juriya na ruwa ba shi da kyau, ana ba da shawarar cewa kowane cibiya a samar da shi bisa ga tsarin juriya na ruwa guda-core, sannan kuma an kafa kebul.
Lokacin aikawa: Oktoba-23-2024