Kuvandudza Unyanzvi hweUHV AC Transmission uye Shanduko Equipment

UHV akatevedzana muripo mudziyo

Pakuvaka kwakakura kwemapurojekiti e-ultra-high voltage, midziyo yepakati ndiyo kiyi.

Kuti usimudzire kuenderera mberi kweiyo UHV AC yekufambisa tekinoroji, ichangoburwa tekinoroji yekuvandudza michina yakakosha

senge UHV AC transformer, gasi insulated simbi yakavharirwa switchgear (GIS), akatevedzana muripo mudziyo uye mheni inosunga

zvakapfupikiswa uye zvinotarisirwa.

Zvigumisiro zvinoratidza kuti:

Iko kukosha kunobvumirwa kwesimba remagetsi emagetsi kana chikamu chekubuda kweUHV transformer iri 1 ‰ ichasarudzwa se

simba remunda rinobvumirwa;

Magnetic leakage control nhanho senge magineti kudzivirira pamagumo emuviri, magetsi kudzivirira tangi remafuta, magineti kudzivirira.

yetangi remafuta, uye isiri magineti inoitisa simbi ndiro inogona kunyatso kudzikisa kudonha kwemagineti uye kukwira kwekushisa kwe1500 MVA.

yakakura kukwanisa UHV transformer;

Iko kutyora kweiyo UHV yedunhu breaker inogona kusvika 63kA.Iyo yekugadzira bvunzo yedunhu yakavakirwa pa "matatu edunhu nzira" inogona kutyora

kuburikidza nemuganho wemidziyo yekuyedza uye kupedzisa kutyora bvunzo ye1100kV wedunhu breaker;

Zviripachena kuti amplitude uye frequency yeVFTO inogumira nekuisa damping resistors padanho rekubata re "vertical"

disconnectors;

Kubva pakuona kwekuenderera mberi kwekushanda voltage, zvakachengeteka kudzikisa rated voltage yeUHV arrester kusvika 780kV.

Iyo remangwana UHV AC yekufambisa magetsi uye shanduko yemidziyo inofanirwa kudzidzwa zvakadzama maererano nekuvimbika kwakanyanya, hukuru hukuru,

itsva yekushanda musimboti uye performance parameter optimization.

UHV AC transformer, switchgear, akatevedzana muripo mudziyo uye mheni inosunga ndiyo huru yemidziyo yeUHV AC kutapurirana.

project.Panguva ino, isu tichatarisa pakugadzirisa uye kupfupisa iyo yazvino tekinoroji kuvandudzwa kwemhando ina dzemidziyo.

Kuvandudza UHV akateedzana muripo mudziyo

Iyo UHV yakatevedzana muripo mudziyo inonyanya kugadzirisa anotevera matambudziko: pesvedzero yekushandiswa kweakatevedzana muripo pa.

maitiro ehurongwa, kukwidziridzwa kweakakosha tekinoroji paramita yeakateedzana muripo, iyo yakasimba anti electromagnetic

Kukanganisa kugona kwekutonga, kudzivirira uye kuyerwa sisitimu, dhizaini nekudzivirira kwebhangi repamusoro capacitor, iyo

kuyerera simba uye kuvimbika kwekushanda kweakateedzana muripo we spark gap, iyo yekumanikidza kuburitsa simba uye ikozvino kugovera kuita

yeiyo voltage limiter, iyo yekukurumidza kuvhura uye kuvhara kugona kweiyo bypass switch, iyo yekunyorovesa mudziyo, iyo fiber column Chimiro.

dhizaini yezvino transformer uye zvimwe zvakakosha zvehunyanzvi nyaya.Pasi pemamiriro e-ultra-high voltage, ultra-high current uye ultra-high

kugona, dambudziko rekuti akati wandei akakosha tekinoroji zviratidzi zveakateedzana muripo wemidziyo mikuru inosvika padanho rekuita

yakakundwa, uye iyo yekupedzisira-yakakwirira-voltage inoteedzera muripo wekutanga michina yakagadziridzwa, uye yese yakawana.

localization.

Capacitor bank

Capacitor bhangi remubhadharo wakateedzana ndicho chinhu chakakosha chemuviri kuona iyo yakatevedzana muripo basa, uye ndeimwe yemakiyi.

midziyo yemutsetse wemuripo mudziyo.Huwandu hweUHV akateedzana compensation capacitors mune imwechete seti inosvika mazana maviri nemakumi mashanu, 3-4 nguva.

iyo ye500kV series muripo.Iyo inotarisana nenhamba huru yeakatevedzana parallel yekubatanidza matambudziko e capacitor mauniti pasi pehombe

muripo simba.Chirongwa chekudzivirira cheH-bhiriji chakapetwa muChina.Yakasanganiswa neyemhando yepamusoro wiring tekinoroji, inogadzirisa

dambudziko rekubatanidza pakati pekunzwa kwekusagadzikana ikozvino kuona kwe capacitors uye kutonga kweiyo jekiseni simba, uye zvakare.

inogadzirisa dambudziko rehunyanzvi rekugona kuputika kweakateedzana capacitor mabhangi.Iyo dhizaini dhizaini uye wiring schematic dhayagiramu yeakatevedzana capacitor

mabhanga anoratidzwa muFigure 12 ne13.

Figures 12 Capacitor bank

Figures 13 Wiring mode

Pressure limiter

Tichifunga nezvezvinodiwa zvakanyanya kuvimbika zvinodiwa zveUHV akateedzana muripo, iyo nzira yeresistor chip matching inonyanya.

yakagadziridzwa, uye iyo shunt coefficient pakati pemakoramu inoderedzwa kubva pa1.10 kusvika 1.03 mushure meanenge zana resistor chip makoramu echikamu chimwe nechimwe.

voltage limiter yakabatana nenzira yakafanana (yega yega resistor chip column yakabatana munhevedzano ne30 resistors).Iyo yakanyatsogadzirwa kudzvanywa

chimiro chekuburitsa chinogamuchirwa, uye iyo yekumanikidza kuburitsa simba inosvika 63kA / 0.2s pasi pemamiriro ekuti iyo porcelain jekete kumanikidza.

limiter unit yakakwira 2.2m uye hapana arc separator mukati.

Spark gap

Iyo yakatemerwa voltage yeiyo spark gap yeUHV yakatevedzana muripo inosvika 120kV, iyo yakakwira zvakanyanya kupfuura 80kV ye spark gap yeUHV.

series muripo;Ikozvino kutakura simba kunosvika 63kA / 0.5s (peak value 170kA), 2.5 nguva iyo ye-ultra-high voltage gap.The

Yakagadzirwa spark gap ine maitiro akadai seakarurama, anodzoreka uye akagadzikana anokonzeresa discharge voltage, yakakwana kukanganisa ikozvino kutakura.

huwandu (63kA, 0.5s), mazana emamicroseconds anokonzera kunonoka kuburitsa, kukurumidza kudzoreredza kugona kweiyo main insulation (mushure mekupfuura 50kA/60ms

ikozvino, iyo yekudzoreredza vhoriyamu pamutengo weyuniti inosvika 2.17 panguva ye650ms), yakasimba magineti kupindira kwemagetsi, nezvimwe.

Series muripo papuratifomu

Iyo compact, inorema mutoro, yakakwirira seismic giredhi UHV akatevedzana muripo papuratifomu yakagadzirwa, ichigadzira yakasarudzika yepasirese UHV.

akatevedzana muripo chokwadi mhando bvunzo uye tsvakurudzo kugona;Iwo matatu-dimensional mechanical uye munda simba rekuongorora modhi yakaoma

midziyo yakawanda inotangwa, uye iyo compact dhizaini uye tsigiro chirongwa chezvikamu zvitatu zvemhando yebhazi yepuratifomu michina ine yakabatanidzwa

uye yakakura yakavharirwa chimiro inotsanangurwa, iyo inogadzirisa matambudziko e-anti-seismic, insulation coordination uye electromagnetic nharaunda.

kudzora kurema kwepuratifomu (200t);Iyo UHV yakatevedzana muripo yechokwadi mhando yebvunzo papuratifomu yakavakwa, iyo yakagadzira yakakura-chiyero

yekunze insulation kurongeka, corona uye nzvimbo simba remumunda, electromagnetic kuenderana kwezvinhu zvisina simba zvazvino zvishandiso pachikuva

uye humwe hunyanzvi hwekuyedza hweakateedzana muripo wepuratifomu, achizadza iyo isina chinhu yeUHV yakatevedzana muripo wekutsvagisa bvunzo.

Bypass switch uye bypass disconnector

Imba yakakura yearc yekudzima kamuri uye yakakwira-kumhanya mashandiro akagadzirwa, ayo akagadzirisa matambudziko ekutungamira.

uye simba remagetsi re 10m ultra long insulated dhonza tsvimbo pasi pekumhanya-mhanya chiito.Yekutanga SF6 porcelain column type bypass switch

neT-shaped structure yakagadzirwa, ine chiyero chemazuva ano che6300A, nguva yekuvhara ye ≤ 30ms, uye hupenyu hwemagetsi hwe10000 nguva;

Nzira yekuwedzera yekubatsira vacuum circuit breaker kune iyo huru yekubata uye kushandura ikozvino nedanda guru inotsanangurwa.Wokutanga

open type bypass disconnector inogadzirwa, uye switching current switching capacity inovandudzwa zvakanyanya kusvika 7kV/6300A.

Electromagnetic kuenderana kwezvinhu zvisina simba zvazvino papuratifomu

Iwo matambudziko ehunyanzvi akadai seyenguva pfupi yakawandisa overvoltage control paUHV akateedzera muripo papuratifomu uye electromagnetic kuenderana kwe.

isina simba yazvino midziyo pasi pekugona kukuru uye kupindira kwakasimba kwakakundwa, uye nhevedzano yemuripo papuratifomu

kuyerwa system uye spark gap trigger control bhokisi ine yakanyanya kusimba anti electromagnetic kupindira kugona kwave

development.Mufananidzo 14 ndiyo dhayagiramu yemunda yeUHV yakatevedzana muripo mudziyo.

Yekutanga seti yepasi rese yeUHV yakagadziriswa yakatevedzana muripo mudziyo wakazvimirira wakagadzirwa neChina Electric Power Research Institute

yakaiswa zvakabudirira mukushanda mukuwedzera chirongwa cheUHV AC bvunzo yekuratidzira chirongwa.Iyo yakayerwa ikozvino yechigadzirwa

inosvika 5080A, uye chiyero chakayerwa chinosvika 1500MVA (reactive simba).Iyo huru yehunyanzvi zviratidzo inomira yekutanga munyika.The

kutapurirana kweiyo UHV bvunzo yekuratidzira purojekiti yakawedzerwa nemiriyoni imwe kW.Chinangwa chekufambiswa kwakagadzikana kwe5

miriyoni kW ne single circuit UHV mitsetse yave kuwanikwa.Kusvika ikozvino, kushanda kwakachengeteka, kwakagadzikana uye kwakavimbika kwakachengetedzwa.

Mufananidzo 14 1000KV UHV Series Compensation Device