Chida chowunikira pa intaneti cha kupendekeka kwa nsanja, chomwe chimawonetsa kupendekeka ndi kusinthika kwa nsanja yotumizira ikugwira ntchito.

Tubular conductor power cable

Chingwe champhamvu cha tubular conductor ndi mtundu wa zida zonyamulira zomwe kondakita yake ndi yamkuwa kapena aluminiyamu yozungulira chubu ndipo imakutidwa.

ndi kutchinjiriza, ndi kutchinjiriza wokutidwa ndi grounding zitsulo chitetezo wosanjikiza.Pakali pano, wamba voteji mlingo ndi 6-35kV.

Poyerekeza ndi zingwe zamagetsi zachikhalidwe, chifukwa cha mawonekedwe ake, ili ndi izi zabwino mwaukadaulo:

1) Kondakitala ndi tubular, yokhala ndi gawo lalikulu, kutentha kwabwino, mphamvu yayikulu yonyamulira (kutha kunyamula kwa chipangizo chimodzi.

zida wamba akhoza kufika 7000A), ndi ntchito yabwino makina.

2) Wokutidwa ndi kutsekereza kolimba, kotchinga ndi kuyika pansi, kotetezeka, kupulumutsa malo ndi kukonza pang'ono;

3) Wosanjikiza akunja akhoza kukhala ndi zida ndi sheath, ndi kukana kwanyengo yabwino.

Zingwe za kondakitala wa tubular ndizoyenera mizere yokhazikika yokhala ndi mphamvu yayikulu, yolumikizana komanso mtunda waufupi pakukulitsa mphamvu zamakono.

Chingwe cha tubular conductor, chokhala ndi luso lapadera laukadaulo monga kunyamula kwakukulu, kupulumutsa malo, kukana nyengo, chitetezo, zosavuta

unsembe ndi kukonza, akhoza m'malo zingwe mphamvu ochiritsira, GIL, etc. mu zochitika zina ntchito ndi kukhala kusankha katundu katundu.

kugwirizana kapangidwe.

M'zaka zaposachedwa, zingwe zamagetsi za tubular zakhala zikugwiritsidwa ntchito kwambiri m'malo atsopano anzeru apanyumba, ma photovoltaic akulu, mphamvu yamphepo, nyukiliya.

uinjiniya wamagetsi, mafuta, chitsulo, mankhwala, njanji yamagetsi, mayendedwe a njanji zam'tawuni ndi magawo ena, komanso kuchuluka kwamagetsi kwalowanso kwambiri.

kuchokera pamagetsi otsika oyambira.Chiwerengero cha opanga chawonjezeka kuchokera kwa opanga ochepa a ku Ulaya ndi ku America kufika pa khumi ndi awiri, makamaka ku China.

The kutchinjiriza wa m'nyumba tubular kondakitala mphamvu zingwe anawagawa epoxy impregnated pepala kuponyera, silikoni mphira extrusion, EPDM extrusion,

polyester filimu yokhotakhota ndi mitundu ina.Kuchokera pakupanga ndi kugwirira ntchito komweku, mavuto akulu omwe amakumana nawo ndizovuta zotsekera,

monga kugwira ntchito kwa nthawi yaitali kwa zipangizo zolimba ndi kusankha kwa makulidwe a kutchinjiriza, njira yachitukuko ndi kuzindikira kwazitsulo zolimba

zolakwika, ndi kafukufuku wokhudzana ndi kulumikizana kwapakatikati ndi kuwongolera mphamvu zama terminal.Mavuto awa ndi ofanana ndi a ochiritsira extruded

zingwe zamagetsi zotsekedwa.

Chingwe chotsekereza gasi (GIL)

Gasi Insulated Transmission Lines (GIL) ndi magetsi okwera kwambiri komanso zida zazikulu zotumizira magetsi zomwe zimagwiritsa ntchito mpweya wa SF6 kapena SF6 ndi N2 wosakanikirana.

kusungunula, ndipo mpanda ndi kondakitala amakonzedwa mu axis yomweyo.Kondakitala amapangidwa ndi chitoliro cha aluminiyamu alloy, ndipo chipolopolocho chimatsekedwa ndi

aluminium alloy coil.GIL ndi yofanana ndi coaxial pipeline bus mu gas insulated metal enclosed switchgear (GIS).Poyerekeza ndi GIS, GIL alibe

kuswa ndi kuzimitsa arc zofunika, ndipo kupanga kwake ndikosavuta.Ikhoza kusankha makulidwe osiyanasiyana a khoma, m'mimba mwake ndi kutchinjiriza

gasi, yomwe imatha kukwaniritsa zofunikira zosiyanasiyana pazachuma.Chifukwa SF6 ndi mpweya wamphamvu wowonjezera kutentha, SF6-N2 ndi mpweya wina wosakanikirana pang'onopang'ono

amagwiritsidwa ntchito ngati cholowa m'malo padziko lonse lapansi.

GIL ili ndi ubwino woyika bwino, kugwira ntchito ndi kukonza, kulephera kutsika, ntchito yochepa yokonza, ndi zina zotero.

malo opangira magetsi ndi malo ang'onoang'ono, okhala ndi moyo wantchito wopitilira zaka 50.Ili ndi zaka pafupifupi 40 zogwira ntchito kunja, komanso padziko lonse lapansi

kutalika kwa kukhazikitsa kwadutsa 300 km.GIL ili ndi izi zaukadaulo:

1) Kutumiza kwakukulu kumazindikirika ndi mphamvu yonyamula mpaka 8000A.Mphamvu ndi yaying'ono kwambiri kuposa yanthawi zonse

zingwe voteji, ndi zotakasika mphamvu chipukuta misozi sikufunika ngakhale kufala mtunda wautali.Kutayika kwa mzere ndikocheperako kuposa kutsika kwanthawi zonse

zingwe zamagetsi ndi mizere yopita pamwamba.

2) Kudalirika kwakukulu kogwira ntchito kotetezeka, zitsulo zolimba zolimba komanso kutsekera kwa chitoliro kumatengedwa, zomwe sizimakhudzidwa ndi nyengo yoyipa.

ndi zinthu zina zachilengedwe poyerekeza ndi mizere yapamwamba.

3) Gwirizanani ndi malo ozungulira mwaubwenzi, ndi mphamvu yochepa kwambiri yamagetsi pa chilengedwe.

GIL imawononga ndalama zambiri kuposa mizere yokwera pamwamba ndi zingwe zanthawi zonse zamphamvu kwambiri.General ntchito zinthu: kufala dera ndi voteji 72.5kV ndi pamwamba;

Kwa mabwalo omwe ali ndi mphamvu zazikulu zotumizira, zingwe zokhazikika zothamanga kwambiri ndi mizere yapamwamba sizingakwaniritse zofunikira zotumizira;Malo okhala ndi

zofunikira zachilengedwe, monga ma shafts otsika kwambiri kapena ma shaft opendekera.

Kuyambira m'ma 1970, mayiko aku Europe ndi America agwiritsa ntchito GIL.Mu 1972, njira yoyamba yotumizira AC GIL padziko lapansi idamangidwa ku Hudson

Malo Opangira Mphamvu ku New Jersey (242kV, 1600A).Mu 1975, Wehr Pumped Storage Power Station ku Germany adamaliza ntchito yoyamba yotumizira GIL ku Europe.

(420kV, 2500A).M'zaka za zana lino, China yakhazikitsa ntchito zazikulu zazikulu zopangira mphamvu yamadzi, monga Xiaowan Hydropower Station, Xiluodu.

Hydropower Station, Xiangjiaba Hydropower Station, Laxiwa Hydropower Station, etc. The unit mphamvu ya mapulojekiti amenewa hydropower ndi yaikulu, ndipo ambiri a

amatengera kamangidwe ka nyumba zopangira mphamvu zapansi panthaka.GIL yakhala imodzi mwa njira zazikulu zolowera ndi kutuluka, ndipo giredi yamagetsi ndi 500kV.

kapena 800kV.

Mu Seputembara 2019, polojekiti ya Sutong GIL yophatikizira mapaipi idakhazikitsidwa mwalamulo, zomwe zikuwonetsa kukhazikitsidwa kwa East China kwambiri.

Voltage AC Double loop network.Kutalika kwa gawo limodzi la mapaipi awiri ozungulira 1000kV GIL mumsewu ndi pafupifupi 5.8km, ndipo kutalika kwake konse

double circuit six phase payipi ndi pafupifupi 35km.Mphamvu yamagetsi ndi kutalika kwake ndizokwera kwambiri padziko lonse lapansi.

Thermoplastic polypropylene insulated chingwe (PP)

Masiku ano, zingwe zamagetsi zapakati komanso zapamwamba za AC zimakhala zotsekedwa ndi polyethylene (XLPE), yomwe imagwira ntchito kwanthawi yayitali.

kutentha chifukwa cha mphamvu zake zabwino kwambiri za thermodynamic.Komabe, zinthu za XLPE zimabweretsanso zoyipa.Kuphatikiza pa kukhala kovuta kukonzanso,

njira yolumikizirana ndikuchotsa mpweya kumabweretsanso nthawi yayitali yopanga chingwe komanso mtengo wokwera, komanso zinthu zomwe zimalumikizidwa ndi polar monga

mowa wa cumyl ndi acetophenone zimawonjezera dielectric mosalekeza, zomwe zidzakulitsa mphamvu ya zingwe za AC, motero kukulitsa kufalikira.

kutaya.Ngati zigwiritsidwa ntchito mu zingwe za DC, zolumikizira zolumikizirana zitha kukhala gwero lofunikira pakupangira danga ndikudzikundikira pansi pamagetsi a DC,

kukhudza kwambiri moyo wa zingwe za DC.

Thermoplastic polypropylene (PP) ili ndi mawonekedwe otchinjiriza kwambiri, kukana kutentha kwambiri, kuyika pulasitiki ndikubwezeretsanso.Zosinthidwa

Thermoplastic polypropylene imagonjetsa zolakwika za crystallinity yapamwamba, kukana kutentha kochepa komanso kusasinthasintha, ndipo imakhala ndi ubwino pakukhathamiritsa.

umisiri chingwe processing, kuchepetsa mtengo, kuonjezera mlingo kupanga, ndi kuwonjezeka chingwe extrusion kutalika.Njira zolumikizirana ndi kuchotsera gassing ndizo

zosiyidwa, ndipo nthawi yopanga ndi pafupifupi 20% yokha ya zingwe zotsekera za XLPE.Pamene zomwe zili mu zigawo za polar zimachepetsa, zidzakhala a

zotheka kusankha kwa high-voltage DC cable insulation.

M'zaka za zana lino, opanga zingwe ku Europe ndi opanga zinthu adayamba kupanga ndikugulitsa zida za thermoplastic PP ndipo pang'onopang'ono.

adawayika pamizere yamagetsi apakati ndi apamwamba kwambiri.Pakali pano, sing'anga voteji PP chingwe wakhala anaika ntchito kwa masauzande ambiri

makilomita ku Ulaya.M'zaka zaposachedwapa, ndondomeko ntchito kusinthidwa PP monga mkulu-voteji DC zingwe ku Ulaya wakhala kwambiri inapita patsogolo, ndi 320kV,

525kV ndi 600kV zida zosinthidwa za polypropylene insulated DC zapambana mayeso amtundu.China yakhazikitsanso PP yosinthidwa yamagetsi yapakati

Chingwe cha AC ndikuchiyika pachiwonetsero cha polojekiti kudzera mu mayeso amtundu kuti mufufuze zinthu zomwe zili ndi ma voltage apamwamba kwambiri.Standardization ndi engineering

mchitidwe nawonso ali mkati.

Chingwe chokwera kwambiri cha superconducting

Kwa madera akuluakulu akumatauni kapena nthawi zazikulu zolumikizirana, kachulukidwe ndi chitetezo ndizofunikira kwambiri.Nthawi yomweyo,

njira yotumizira ndi malo ndi ochepa.Kupita patsogolo kwaukadaulo kwa zida za superconducting kumapangitsa ukadaulo wopatsirana wa superconducting a

njira zotheka kwa ntchito.Pogwiritsa ntchito chingwe chomwe chilipo ndikusintha chingwe chamagetsi chomwe chilipo ndi chingwe chapamwamba cha kutentha kwapamwamba kwambiri, ndi

mphamvu yotumizira imatha kuwirikiza kawiri, ndipo kutsutsana pakati pa kukula kwa katundu ndi malo ochepa opatsirana amatha kuthetsedwa bwino.

Woyendetsa chingwe cha superconducting ndi zinthu zokulirapo, ndipo kachulukidwe ka chingwe cha superconducting ndi chachikulu.

ndi impedance ndi yotsika kwambiri pansi pazikhalidwe zogwirira ntchito;Pamene vuto lalifupi dera limapezeka mu gululi mphamvu ndi kufala panopa ndi

zazikulu kuposa momwe zimakhalira zovuta kwambiri zazinthu zopangira zinthu za superconducting, zida zopangira ma superconducting zidzataya kuthekera kwake kopitilira muyeso, komanso kusokoneza kwa

chingwe cha superconducting chidzakhala chokulirapo kuposa chowongolera wamkuwa wamba;Cholakwacho chikachotsedwa, chingwe cha superconducting chidzatero

kuyambiranso luso lake la superconducting pansi pamikhalidwe yabwinobwino yogwirira ntchito.Ngati kutentha kwa superconducting chingwe ndi dongosolo linalake ndi luso

imagwiritsidwa ntchito m'malo mwa chingwe chachikhalidwe, cholakwika chapano cha gridi yamagetsi chikhoza kuchepetsedwa bwino.Kutha kwa chingwe cha superconducting kuchepetsa

vuto lamakono likufanana ndi kutalika kwa chingwe.Choncho, ntchito yaikulu ya superconducting mphamvu kufala maukonde wapangidwa

zingwe za superconducting sizingangowonjezera mphamvu yamagetsi yamagetsi, kuchepetsa kutayika kwa gridi yamagetsi, komanso kuwongolera.

kulakwitsa kwake komwe kumalepheretsa mphamvu, Kupititsa patsogolo chitetezo ndi kudalirika kwa gululi yonse yamagetsi.

Pankhani ya kutayika kwa mzere, kutayika kwa chingwe cha superconducting kumaphatikizapo kutayika kwa kondakitala wa AC, kutayika kwa kutentha kwa chitoliro chosungunulira, cholumikizira chingwe, firiji,

ndi kutaya kwa nayitrogeni wamadzimadzi kugonjetsa kukana kuzungulira.Mu chikhalidwe cha mabuku refrigeration dongosolo dzuwa, ntchito imfa ya HTS

chingwe ndi pafupifupi 50% ~ 60% ya chingwe ochiritsira potumiza mphamvu yomweyo.Low kutentha insulated superconducting chingwe ali bwino

Electromagnetic shielding function, theoretically imatha kutchinga kwathunthu gawo lamagetsi lopangidwa ndi woyendetsa chingwe, kuti asapangitse

electromagnetic kuipitsa chilengedwe.Zingwe za Superconducting zitha kuikidwa m'njira zowirira monga mapaipi apansi panthaka, zomwe sizingakhudze ntchitoyo

ya zida zamagetsi zozungulira, komanso chifukwa imagwiritsa ntchito nayitrogeni wamadzi osayaka ngati firiji, imachotsanso ngozi yamoto.

Kuyambira zaka za m'ma 1990, kupita patsogolo kwaukadaulo wokonzekera matepi opangira kutentha kwapamwamba kwalimbikitsa kafukufuku ndi chitukuko cha

Ukadaulo wopatsira mphamvu wa superconducting padziko lonse lapansi.United States, Europe, Japan, China, South Korea ndi mayiko ena ndi zigawo

adachita kafukufuku ndikugwiritsa ntchito zingwe zotentha kwambiri za superconducting.Kuyambira 2000, kafukufuku wa zingwe za HTS adayang'ana kwambiri kufalitsa kwa AC

zingwe, ndi kutchinjiriza chachikulu zingwe makamaka ozizira kutchinjiriza.Pakalipano, chingwe chapamwamba chapamwamba cha superconducting chatha

siteji yotsimikizira labotale ndipo pang'onopang'ono adalowa mu ntchito yothandiza.

Padziko lonse lapansi, kafukufuku ndi chitukuko cha zingwe zotentha kwambiri za superconducting zitha kugawidwa m'magawo atatu.Choyamba, izo zinadutsa mu

siteji yoyamba yowunikira ukadaulo wapamwamba kwambiri wa superconducting cable.Chachiwiri, ndi kafukufuku ndi chitukuko cha otsika

kutentha (CD) insulated high kutentha superconducting chingwe kuti angathe kuzindikira ntchito malonda m'tsogolo.Tsopano, izo zalowa mu

siteji yofufuza ntchito ya CD insulated kutentha kwapamwamba superconducting chingwe projekiti yowonetsera.M'zaka khumi zapitazi, United States,

Japan, South Korea, China, Germany ndi mayiko ena apanga ma CD ambiri otenthetsera kutentha kwambiri.

ntchito zowonetsera.Pakali pano, pali makamaka mitundu itatu ya ma CD insulated HTS chingwe nyumba: single core, atatu pachimake ndi atatu-

gawo coaxial.

Ku China, Institute of Electrical Engineering ya Chinese Academy of Sciences, Yundian Inna, Shanghai Cable Research Institute, China Electric Power

Research Institute ndi mabungwe ena motsatizana achita kafukufuku ndi chitukuko cha zingwe za superconducting ndipo achita bwino kwambiri.

Pakati pawo, Shanghai Cable Research Institute inamaliza kuyesa kwa mtundu woyamba wa 30m, 35kV/2000A CD insulated single core superconducting chingwe mu

China mu 2010, ndipo anamaliza kukhazikitsa, kuyesa ndi ntchito ya 35kV/2kA 50m superconducting chingwe dongosolo Baosteel a superconducting chingwe

pulojekiti yowonetsera mu December 2012. Mzere uwu ndi chingwe choyamba chotsika kwambiri chotenthetsera kutentha kwambiri chomwe chimayendera pa gridi ku China,

komanso ndi chingwe cha CD chotchingidwa kutentha kwambiri cha superconducting chokhala ndi katundu wamkulu kwambiri pamlingo womwewo padziko lapansi.

Mu Okutobala 2019, Shanghai Cable Research Institute idapambana mayeso amtundu wa CD yoyamba ya 35kV/2.2kA yomwe idatsekera makina atatu apakatikati a chingwe cha superconducting.

China, kuyika maziko olimba a ntchito yowonetsera yotsatira.Ntchito yowonetsera chingwe cha superconducting ku Shanghai

tawuni, motsogozedwa ndi Shanghai Cable Research Institute, ikumangidwa ndipo ikuyembekezeka kumalizidwa ndikuyika ntchito yotumiza magetsi ndi

kumapeto kwa 2020. Komabe, padakali njira yayitali yopititsira patsogolo ndikugwiritsa ntchito zingwe za superconducting mtsogolomo.Kafukufuku wambiri adzakhala

zomwe zidzachitike m'tsogolo, kuphatikizapo chitukuko cha chingwe cha superconducting ndi kafukufuku woyesera, teknoloji yogwiritsira ntchito uinjiniya

kafukufuku, kafukufuku wodalirika wa magwiridwe antchito, mtengo wamoyo wadongosolo, etc.

Malingaliro onse owunika ndi chitukuko

Mulingo waukadaulo, mtundu wazinthu ndikugwiritsa ntchito uinjiniya wa zingwe zamagetsi, makamaka zingwe zamagetsi zothamanga kwambiri komanso zokwera kwambiri, zimayimira

mulingo wonse ndi mphamvu zamafakitale zamakampani opanga zingwe zadziko kumlingo wina.Pa nthawi ya "13th Five Year Plan", ndi chitukuko chofulumira

za zomangamanga zamagetsi ndi kukwezeleza mwamphamvu kwaukadaulo wamafakitale, kupita patsogolo kwaukadaulo ndi uinjiniya wochititsa chidwi

zopindula zapangidwa m'munda wa zingwe zamagetsi.Kuyesedwa kuchokera kuzinthu zamakono zopanga, mphamvu zopanga ndi zomangamanga

ntchito, yafika pamlingo wapamwamba wapadziko lonse lapansi, ena mwa iwo omwe ali otsogola padziko lonse lapansi.

Chingwe chamagetsi champhamvu kwambiri chamagetsi akumatauni ndi ntchito yake yaukadaulo

Chingwe chamagetsi cha AC 500kV XLPE ndi zowonjezera zake (chingwechi chimapangidwa ndi Qingdao Hanjiang Cable Co., Ltd., ndipo zowonjezera ndi

zoperekedwa pang'ono ndi Jiangsu Anzhao Cable Accessories Co., Ltd.), zomwe zimapangidwa ndi China kwa nthawi yoyamba, zimagwiritsidwa ntchito pomanga

Mapulojekiti a chingwe cha 500kV ku Beijing ndi Shanghai, ndipo ndi mizere yamagetsi yapamwamba kwambiri padziko lonse lapansi.Zakhala zikugwiritsidwa ntchito moyenera

ndipo wapereka zofunikira pa chitukuko cha chikhalidwe cha anthu ndi zachuma.

Ultra-high voltage ac submarine chingwe ndi ntchito yake ya uinjiniya

Ntchito yolumikizira mphamvu ya Zhoushan 500kV yolumikizidwa ndikusintha, yomwe idamalizidwa ndikuyamba kugwira ntchito mu 2019, ndi njira yolumikizirana ndi nyanja.

pulojekiti ya zingwe zamagetsi zolumikizidwa ndi polyethylene zokhala ndi mulingo wapamwamba kwambiri wamagetsi opangidwa ndikugwiritsidwa ntchito padziko lonse lapansi.Zingwe zazikulu zazitali ndi

Chalk amapangidwa kwathunthu ndi mabizinesi apakhomo (pakati pake, zingwe zazitali zam'madzi zazitali zimapangidwa ndikuperekedwa ndi Jiangsu

Zhongtian Cable Co., Ltd., Hengtong High Voltage Cable Co., Ltd. ndi Ningbo Dongfang Cable Co., Ltd.

ndi zoperekedwa ndi TBEA), zomwe zimawonetsa luso laukadaulo komanso mphamvu yopangira zingwe zapansi pamadzi zamphamvu kwambiri zaku China ndi zina.

Chingwe cha Ultra-high voltage dc ndi ntchito yake yaukadaulo

Three Gorges Group ipanga pulojekiti yopangira mphamvu zamagetsi kumtunda ku Rudong, m'chigawo cha Jiangsu, ndi mphamvu zonse zotumizira mphamvu za 1100MW.

Dongosolo la chingwe cha ± 400kV DC la submarine DC lidzagwiritsidwa ntchito.Kutalika kwa chingwe chimodzi kudzafika 100km.Chingwecho chidzapangidwa ndikuperekedwa ndi

Jiangsu Zhongtian Technology Submarine Cable Company.Ntchitoyi ikukonzekera kumalizidwa mu 2021 yotumiza magetsi.Mpaka pano, woyamba

± 400kV makina amagetsi apamadzi a DC ku China, opangidwa ndi zingwe zopangidwa ndi Jiangsu Zhongtian Technology Submarine Cable Co., Ltd.

Changsha Electrical Technology Co., Ltd., Changsha Electrical Technology Co., Ltd., wadutsa mayeso amtundu wa National Wire ndi Cable Quality Supervision.

Testing Center/Shanghai National Cable Testing Center Co., Ltd. (pambuyo pake amatchedwa "National Cable Testing"), ndipo walowa gawo lopanga.

Kuti tigwirizane ndi Masewera a Olimpiki Ozizira a 2022 ku Beijing Zhangjiakou, polojekiti ya Zhangbei ± 500kV flexible DC transmission

yomangidwa ndi State Grid Corporation of China ikukonzekera kumanga ± 500kV flexible DC yowonetsera pulojekiti yokhala ndi kutalika pafupifupi 500m.Zingwe

ndi zowonjezera zakonzedwa kuti zipangidwe kwathunthu ndi mabizinesi apakhomo, kuphatikiza zotchingira ndi zotchingira zingwe.Ntchitoyo

ikuchitika.

Chingwe cha Superconducting ndi ntchito yake yaukadaulo

Ntchito yowonetsera makina amtundu wa superconducting m'tawuni ya Shanghai, yomwe imapangidwa makamaka ndi Shanghai Cable.

Research Institute, ikuchitika, ndipo ikuyembekezeka kumalizidwa ndikuyika ntchito yotumizira mphamvu pofika kumapeto kwa 2020. The 1200m three core

Superconducting chingwe (pakali pano chachitali kwambiri padziko lonse lapansi) chomwe chimafunidwa ndi ntchito yomanga, yokhala ndi mphamvu yamagetsi ya 35kV/2200A komanso yovotera pano,

wafika pamlingo wapamwamba wapadziko lonse lapansi, ndipo zizindikiro zake zazikulu zili pamlingo wotsogola wapadziko lonse lapansi.

Ultra High Voltage Gas Insulated Cable (GIL) ndi Ntchito Yake Yaumisiri

The East China UHV AC double loop network transmission project idayamba kugwira ntchito mu Seputembara 2019 m'chigawo cha Jiangsu, komwe Sutong

Ntchito yomanga mapaipi a GIL amawoloka mtsinje wa Yangtze.Kutalika kwa gawo limodzi la mapaipi awiri a 1000kV GIL mumsewu ndi 5.8km, ndipo

Kutalika konse kwa projekiti yotumizira magawo awiri agawo lachisanu ndi chimodzi ndi pafupifupi 35km.Mulingo wamagetsi a projekiti ndi kutalika kwake ndizokwera kwambiri padziko lonse lapansi.The

ultra-high voltage gas insulated cable (GIL) imamalizidwa pamodzi ndi mabizinesi opangira nyumba ndi maphwando omanga engineering.

Kuyesa magwiridwe antchito ndi ukadaulo wowunika wa chingwe cha ultra-high voltage

M'zaka zaposachedwa, mayeso amtundu, kuyezetsa magwiridwe antchito ndikuwunika zingwe zambiri zapakhomo za XLPE ndi zowonjezera, kuphatikiza AC ndi

Zingwe za DC, zingwe zakumtunda ndi zingwe zapansi pamadzi, zamalizidwa kwambiri mu "National Cable Inspection".The dongosolo kudziwika luso ndi wangwiro

Mayeso ali pamlingo wapamwamba kwambiri padziko lonse lapansi, ndipo aperekanso ndalama zambiri kumakampani opanga zingwe zaku China komanso uinjiniya wamagetsi.

kumanga."National Cable Inspection" ili ndi luso laukadaulo ndi mikhalidwe yodziwira, kuyesa ndi kuyesa 500kV giredi yokwera kwambiri yamagetsi a XLPE

zingwe za insulated (kuphatikiza zingwe za AC ndi DC, zingwe zakumtunda ndi zingwe zapansi pamadzi) molingana ndi miyezo yapamwamba komanso zofunikira kunyumba ndi kunja, ndi

wamaliza ntchito zambiri zowunikira ndi kuyesa kwa ogwiritsa ntchito ambiri kunyumba ndi kunja, ndi mphamvu yayikulu kwambiri ya ± 550kV.

Zomwe zili pamwambapa zoyimira ma voltage okwera kwambiri komanso zowonjezera ndi ntchito zawo zauinjiniya zikuwonetsa kuti makampani aku China ali padziko lonse lapansi.

mlingo wotsogola ponena za luso lazopangapanga, luso lamakono, luso lopanga zinthu, kuyesa ndi kuyesa m'munda uno.

Makampani "Soft Ribs" ndi "Zovuta"

Ngakhale makampani opanga ma cable apita patsogolo kwambiri komanso achita bwino kwambiri m'zaka zaposachedwa, palinso "zofooka" zodziwika bwino.

kapena "nthiti zofewa" m'munda uno."Zofooka" izi zimafuna kuti tiyesetse kuchitapo kanthu ndikuyambitsanso, zomwenso ndi chitsogozo ndi cholinga cha

kuyesetsa mosalekeza ndi chitukuko.Kusanthula mwachidule ndi motere.

(1) EHV XLPE zingwe zotsekereza (kuphatikiza zingwe za AC ndi DC, zingwe zakumtunda ndi zingwe zapansi pamadzi)

"nthiti yofewa" yake yodziwika bwino ndikuti zida zotchinjiriza zoyera kwambiri komanso zotchingira zosalala kwambiri zimatumizidwa kunja, kuphatikiza zotsekera.

ndi zipangizo zotetezera ntchito zazikuluzikuluzi.Ichi ndi "botolo" lofunikira lomwe liyenera kuthyoledwa.

(2) Zida zazikulu zopangira zida zomwe zimagwiritsidwa ntchito popanga zingwe za polyethylene zolumikizidwa ndi ma voliyumu apamwamba kwambiri.

Pakalipano, onsewa amatumizidwa kuchokera kunja, yomwe ndi "nthiti yofewa" ina ya mafakitale.Pakalipano, kupita patsogolo kwakukulu komwe tapanga m'munda wa

ultra-high voltage zingwe makamaka "processing" osati "zolenga", chifukwa zipangizo zazikulu ndi zipangizo zofunika zimadalirabe mayiko akunja.

(3) Chingwe chokwera kwambiri chamagetsi ndi ntchito yake yaukadaulo

Zingwe zomwe zili pamwambazi zokwera kwambiri komanso ntchito zake zauinjiniya zimayimira gawo labwino kwambiri pagawo la chingwe chamagetsi chokwera kwambiri ku China, koma osati mulingo wathu wonse.

Chigawo chonse cha gawo la chingwe chamagetsi sichokwera, chomwe chilinso chimodzi mwa "mabokosi amfupi" a makampani.Palinso zina zambiri "zamatabwa zazifupi" ndi

maulalo ofooka, monga: kafukufuku woyambira pazingwe zamagetsi othamanga kwambiri komanso okwera kwambiri ndi machitidwe awo, ukadaulo wa kaphatikizidwe ndi zida zopangira zoyera kwambiri.

utomoni, kukhazikika kwa ntchito zapakatikati ndi zida zamagetsi apamwamba kwambiri, mphamvu zothandizira mafakitale kuphatikiza zida zoyambira, zigawo ndi

zida zothandizira, kudalirika kwanthawi yayitali kwa zingwe, etc.

Izi "nthiti zofewa" ndi "zofooka" ndi zopinga ndi zolepheretsa kuti China ikhale dziko lolimba la chingwe, komanso ndi njira ya zoyesayesa zathu.

gonjetsani zopinga ndikupitiriza kupanga zatsopano.