1. Chii chinonzi tambo isingapindi mvura?
Makombora anogona kushandiswa zvakajairika mumvura akaungana anonzi tambo dzemagetsi dzisingapindi mvura (dzisina mvura). Kana tambo yakaiswa pasi pemvura, kazhinji yakanyudzwa mumvura kana munzvimbo dzakanyorova, tambo inodiwa kuti ive nebasa rekudzivirira mvura (kupokana), ndiko kuti, inodiwa kuve nebasa rekudzivirira kwemvura kuzere, kuitira kudzivirira mvura kuti isanyura mutambo, ichikonzera kukuvara kwetambo, uye kuve nechokwadi chekushanda kwakasimba kwenguva refu kwetambo pasi pemvura. Iyo inowanzo shandiswa isingapindi mvura tambo modhi ndeye JHS, inova yerabha sleeve isina mvura tambo, isina mvura tambo yakakamurwa kuita isingapindi mvura tambo yemagetsi uye isina mvura komputa tambo, nezvimwewo, uye vamiriri vemuenzaniso ndivo FS-YJY, FS-DJYP3VP3.
2. Rudzi rwemvura yetambo yekugadzira
(1). Kune single-core cables, putira iyosemi-conductive mvura inovharira tepipane insulation shield, putira zvakajairikatepi yekuvhara mvurakunze, uye wobva wasvina sheath yekunze, kuitira kuti uve nechokwadi chekubatana kwakazara kwesimbi nhovo, kungoputira semi-conductive mvura yekuvhara tepi kunze kwechidzitiro chekudzivirira, simbi yesimbi haichaputira tepi yekuvhara mvura, zvichienderana nehuwandu hwekushanda kwemvura, kuzadza kunogona kuzadzwa neyakajairwa filler kana mvura block filler. Iyo yemukati lining uye yekunze sheath zvinhu zvakafanana neizvo zvinotsanangurwa mune imwechete core cable.
(2). Plastiki yakavharwa tepi layer yealuminium inoputirwa kwenguva refu mukati mesheath yekunze kana yemukati lining layer sechitubu chisingapinde mvura.
(3). Extrud iyo HDPE yekunze sheath yakananga patambo. Iyo XLPE insulated tambo pamusoro pe110kV ine sheath yesimbi kuti isangane nemvura inodiwa. Iyo simbi shield ine yakakwana kusapindira uye yakanaka radial mvura inodzivirira. Mhando huru dzesimbi sheath ndeidzi: hot yakadzvanywa aluminium sleeve, inopisa yakadzvanywa lead sleeve, welded corrugated aluminium sleeve, welded corrugated simbi sleeve, inotonhorera inodhonzwa simbi sleeve zvichingodaro.
3. Mvura yemhando yetambo isina mvura
Kazhinji yakakamurwa kuva Vertical uye radial mvura kuramba maviri. Vertical water resistance inowanzoshandiswashinda yekuvhara mvura, poda yemvura uye tepi yekuvhara mvura, nzira yekudzivirira mvura iri mune izvi zvinhu zvine mvura inogona kuwedzera zvinhu, kana mvura kubva kumucheto wetambo kana kubva kune sheath defect ichipinda, chinhu ichi chichakurumidza kuwedzera mvura kudzivirira kuwedzera kupararira pamwe netambo longitudinal, kuzadzisa chinangwa chetambo longitudinal isina mvura. Iyo radial mvura inopokana inonyanya kuwanikwa neextruding HDPE isiri-simbi sheath kana inopisa kudzvanya, welding uye kutonhora kudhirowa simbi sheath.
4. Kurongwa kwetambo dzisina mvura
Kune mhando nhatu dzetambo dzisina mvura dzinoshandiswa muChina:
(1). Oil-bepa insulated tambo ndiyo yakajairika inodzivirira mvura tambo. Kuvhara kwayo uye maconductor akazadzwa nemafuta etambo, uye kune simbi bhachi (lead jekete kana aluminium jasi) kunze kwekuvharira, iyo ndiyo yakanakisa kudzivirira mvura tambo. Kare, tambo zhinji dzepasi pemvura (kana dzepasi pemvura) dzaishandisa mafuta-bepa insulated tambo, asi oiri-bepa insulated tambo dzinoganhurwa nekudonha, kune dambudziko nekubuda kweoiri, uye kugadzirisa hakuna kunaka, uye iko zvino kushandiswa kushoma uye kushoma.
(2). Iyo ethylene propylene rubber insulated tambo inoshandiswa zvakanyanya mumatanho ekufambisa epasi uye epakati pemvura ari pasi pemvura imhaka yekushanda kwayo kwepamusoro kwekudzivirira pasina kunetseka kwe "muti wemvura". Waterproof rubber sheathed cable (Type JHS) inogona kushanda zvakachengeteka mumvura isina kudzika kwenguva yakareba.
(3). Cross-yakabatana polyethylene (XLPE) insulated tambo yemagetsi nekuda kwekunaka kwayo kwemagetsi, michina uye yemuviri, uye maitiro ekugadzira ari nyore, akareruka chimiro, hombe kutapurirana simba, kuisirwa uye kugadzirisa kuri nyore, kwete kuganhurirwa nekudonha uye zvimwe zvakanaka, inova iyo inonyanya kushandiswa insulation material, asi inonyanya kunzwisiswa nehunyoro, mukugadzira uye mashandiro ekugadzira kana iyo inshuwaransi iine mvura inregnation, kupfupisa tambo yemvura, inopwanya tambo yehupenyu hupfupi. Naizvozvo, iyo yakachinjika-yakabatana polyethylene insulated tambo, kunyanya yepakati uye yakakwirira voltage tambo pasi pechiito che AC voltage, inofanirwa kuve ne "mvura inovharira chimiro" kana ichishandiswa munzvimbo yemvura kana mhepo inonaya.
5. Musiyano uripo pakati petambo isina mvura netambo yakajairika
Musiyano uripo pakati petambo dzisingapindi mvura netambowo zvadzo ndewekuti tambo dzakajairwa hadzigoni kushandiswa mumvura. JHS isingapindi mvura tambo zvakare imhando yerubha sheath inochinjika tambo, iyo insulation ndeye rubber insulation, uye yakajairwa rabha sheath tambo, JHS isina mvura tambo inowanzo shandiswa, asi iri mumvura kana imwe inopfuura nemumvura. Tambo dzisingapindi mvura dzinowanzoita 3 core, dzakawanda dzadzo dzinoshandiswa pakubatanidza pombi, mutengo wetambo dzisingapindi mvura uchadhura kupfuura tambo dzerabha sheath, zvakaoma kusiyanisa kana mvura isingapinde kubva pakuonekwa, unofanirwa kubvunza mutengesi kuti azive iyo isingapindi mvura.
6. Misiyano pakati petambo isina mvura uye tambo inodzivirira mvura
Waterproof cable: kudzivirira mvura kupinda mukati meiyo tambo yetambo, uchishandisa isina mvura chimiro uye zvinhu.
Mvura inovharira tambo: Muedzo unobvumira mvura kupinda mukati metambo, uye haibvumire kupinda kune hurefu hwakatarwa pasi pemamiriro akatarwa. Mvura inovhara tambo yakakamurwa kuita conductor mvura inovharira uye tambo yepakati yekuvhara mvura.
Mvura-yekuvharira chimiro chemutyairi: kuwedzera mvura-inovhara poda uye mvura inovharira shinda mukuita kwetambo imwe chete, kana conductor apinda mumvura, mvura inovharira poda kana mvura inovhara shinda inowedzera nemvura kudzivirira kupinda kwemvura, hongu, iyo conductor yakasimba ine zvirinani-kuvharira mvura kuita.
Mvura inovhara chimiro chetambo core: kana sheath yekunze yakuvadzwa uye mvura inopinda, tepi yekuvhara mvura inowedzera. Kana tepi yekuvhara mvura ichiwedzera, inokurumidza kuumba chikamu chekuvhara mvura kudzivirira kuwedzera kwemvura kupinda. Kune matatu-musimboti tambo, zvakanyanya kuoma kuwana iyo yakazara mvura kuramba kwetambo core, nekuti gapu repakati retatu-core cable core rakakura uye risingaenzaniswi, kunyangwe kushandiswa kwechivharo chemvura kwazadzwa, mhedzisiro yemvura haina kunaka, zvinokurudzirwa kuti imwe neimwe musimboti igadzirwe zvinoenderana neiyo-musimboti yekudzivirira mvura chimiro, uye ipapo tambo inoumbwa.
Nguva yekutumira: Oct-23-2024