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ultra-high-voltage watsa wutar lantarki a kasar Sin

Tun daga shekarar 2009 ne ake amfani da watsa wutar lantarki mai karfin wutan lantarki (UHV) a kasar Sin don watsa wutar lantarki ta zamani (AC) da kai tsaye (DC) a nesa mai nisa da ke raba albarkatun makamashi da masu amfani da makamashi na kasar Sin.Ana ci gaba da haɓaka ƙarfin AC da DC don daidaita tsararraki zuwa buƙatun amfani yayin rage asarar watsawa.Haɓaka haɓakar lalata za ta haifar da maye gurbin ƙananan haɓakar haɓakawa, wanda ke kusa da bakin tekun, ta ƙarin haɓakar ingantaccen ingantaccen zamani tare da ƙarancin ƙazanta kusa da albarkatun makamashi.
Sassan rufi don UHVDC

Fage

Tun daga shekarar 2004, amfani da wutar lantarki a kasar Sin yana karuwa da ba a taba ganin irinsa ba, sakamakon saurin bunkasuwar sassan masana'antu.Mummunan karancin wadatar kayayyaki a shekarar 2005 ya yi tasiri ga ayyukan kamfanonin kasar Sin da dama.Tun daga wannan lokacin, kasar Sin ta zuba jari sosai a fannin samar da wutar lantarki, domin biyan bukatun masana'antu, don haka samun bunkasuwar tattalin arziki.Ƙarfin da aka girka ya gudana daga 443 GW a ƙarshen 2004 zuwa 793 GW a ƙarshen 2008. Ƙirar da aka samu a cikin waɗannan shekaru huɗu ya yi daidai da kusan kashi ɗaya bisa uku na yawan ƙarfin Amurka, ko kuma sau 1.4 na jimlar ƙarfin. A daidai wannan lokaci, yawan makamashin da ake amfani da shi na shekara-shekara ya karu daga 2,197 TWh zuwa 3,426 TWh. A shekarar 2011, daga cikinsu 342 GW na samar da wutar lantarki, da makamashin makamashin GW 928, da iska mai karfin GW 100, da makamashin nukiliya 43GW, da iskar gas mai karfin 40GW. Kasar Sin ita ce kasa mafi girma a duniya wajen cin wutar lantarki a shekarar 2011.

Watsawa da rarrabawa

A bangaren watsawa da rarrabawa, kasar ta mayar da hankali kan fadada iya aiki da rage asara ta:

1. tura dogon nisa matsananci-high-voltage kai tsaye halin yanzu (UHVDC) da ultra-high-voltage alternating current (UHVAC) watsawa

2.installing high-ifficiency amorphous karfe transformers

UHV watsa a duk duniya

An riga an gina watsawar UHV da adadin da'irori na UHVAC a sassa daban-daban na duniya.Alal misali, an gina kilomita 2,362 na da'irori 1,150 kV a tsohuwar USSR, kuma an ƙera kilomita 427 na da'irori 1,000 na AC a Japan (layin wutar lantarki na Kita-Iwaki).Hakanan ana samun layin gwaji na ma'auni daban-daban a cikin ƙasashe da yawa.Koyaya, yawancin waɗannan layukan a halin yanzu suna aiki da ƙarancin wutar lantarki saboda ƙarancin wutar lantarki ko wasu dalilai.Akwai ƙarancin misalan UHVDC.Kodayake akwai da'irori masu yawa na ± 500 kV (ko ƙasa) a duk duniya, kawai da'irori masu aiki sama da wannan kofa sune tsarin watsa wutar lantarki na Hydro-Québec a 735 kV AC (tun 1965, 11 422 km tsayi a cikin 2018) da Itaipu ± Aikin 600kV a Brazil.A Rasha, aikin gini a kan layin bipolar mai tsawon kilomita 2400 ± 750 kV DC, Cibiyar HVDC Ekibastuz-Centre ta fara a 1978 amma ba a taɓa gamawa ba.A Amurka a farkon shekarun 1970 an shirya layin wutar lantarki mai karfin 1333 kV daga tashar Canjin Celilo zuwa Dam Hoover.Don wannan dalili an gina ɗan gajeren layin gwaji kusa da tashar Canjawar Celilo, amma ba a taɓa gina layin zuwa Hoover Dam ba.

Dalilan watsa UHV a China

Matakin da kasar Sin ta dauka na zuwa watsa shirye-shiryen UHV ya dogara ne kan cewa albarkatun makamashi sun yi nisa da cibiyoyin lodi.Mafi akasarin albarkatun makamashin ruwa na yamma ne, sannan kwal yana arewa maso yamma, amma manyan lodin yana gabas da kudu.Don rage asarar watsawa zuwa matakin sarrafawa, watsa UHV zaɓi ne na ma'ana.Kamar yadda hukumar kula da wutar lantarki ta kasar Sin ta sanar a taron kasa da kasa kan isar da wutar lantarki ta shekarar 2009 a nan birnin Beijing, kasar Sin za ta zuba jarin RMB biliyan 600 (kimanin dalar Amurka biliyan 88) don raya UHV tsakanin yanzu da 2020.

Aiwatar da grid na UHV yana ba da damar gina sabbin, mafi tsabta, ingantattun shuke-shuken samar da wutar lantarki nesa da cibiyoyin yawan jama'a.Tsofaffin tashoshin wutar lantarki da ke bakin teku za su yi ritaya.Wannan zai rage yawan gurɓacewar yanayi a halin yanzu, da kuma gurɓatar da 'yan ƙasa ke ji a cikin gidajen birane.Amfani da manyan tashoshin wutar lantarki na tsakiya da ke samar da dumama wutar lantarki kuma ba su da ƙazanta fiye da na kowane tukunyar jirgi da ake amfani da su don dumama lokacin hunturu a yawancin gidaje na arewacin kasar. Gindin UHV zai taimaka wa shirin samar da wutar lantarki na kasar Sin da narkar da makamashin lantarki, da ba da damar hadewar makamashin da ake iya sabuntawa ta hanyar kawar da tarkacen watsawa wanda ke haifar da gurbatar yanayi. A halin yanzu yana iyakance haɓakawa a cikin ƙarfin samar da iska da hasken rana yayin da yake ƙara haɓaka kasuwan motocin lantarki masu dogon zango a China.

UHV an kammala ko a ƙarƙashin ginin

Kamar na 2021, da'irori na UHV masu aiki sune:

UHVDC watsa

 

Layukan UHV na karkashin gini/A cikin shiri sune:

1654046834(1)

 

Rikici kan UHV

Ana ta cece-kuce kan ko ginin da Kamfanin Grid Corporation na kasar Sin ya gabatar, wata dabara ce ta kara yin hadin gwiwa tare da yaki da sake fasalin hanyoyin samar da wutar lantarki.

Kafin yerjejeniyar Paris, wadda ta sa ya zama dole a kawar da kwal, mai da iskar gas, an yi ta cece-kuce kan UHV tun daga shekarar 2004 lokacin da hukumar kula da harkokin kasuwanci ta kasar Sin ta gabatar da shawarar gina UHV.An mai da hankali kan takaddama kan UHVAC yayin da ra'ayin gina UHVDC ya sami karbuwa sosai. Batutuwan da aka fi muhawara su ne hudu da aka jera a kasa.

  1. Batutuwan tsaro da dogaro: Tare da gina ƙarin layukan watsawa na UHV, grid ɗin wutar lantarki da ke kewaye da ƙasar gabaɗaya yana da alaƙa da ƙarfi sosai.Idan wani haɗari ya faru a layi ɗaya, yana da wuya a iyakance tasirin zuwa ƙaramin yanki.Wannan yana nufin cewa damar yin baƙar fata yana ƙaruwa.Hakanan, yana iya zama mafi rauni ga ta'addanci.
  2. Batun kasuwa: Duk sauran layin watsawa na UHV a duniya a halin yanzu suna aiki a ƙaramin ƙarfin lantarki saboda babu isasshen buƙata.Irin watsawar nesa yana buƙatar ƙarin bincike mai zurfi.Duk da cewa yawancin albarkatun kwal na arewa maso yammacin kasar, yana da wuya a gina tasoshin wutar lantarki a wurin saboda suna bukatar ruwa mai yawa kuma wannan karancin albarkatun ne a arewa maso yammacin kasar Sin.Haka kuma tare da bunkasuwar tattalin arziki a yammacin kasar Sin, ana samun karuwar bukatar wutar lantarki a wadannan shekaru.
  3. Abubuwan da suka shafi muhalli da inganci: Wasu masana suna jayayya cewa layukan UHV ba za su sami ƙarin ƙasa ba idan aka kwatanta da gina ƙarin layin dogo don haɓaka jigilar kwal da samar da wutar lantarki a cikin gida.Saboda batun ƙarancin ruwa, gina masana'antar wutar lantarki a yamma. hana.Wani batun kuma shine ingancin watsawa.Yin amfani da haɗaɗɗun zafi da ƙarfi a ƙarshen mai amfani ya fi ƙarfin kuzari fiye da amfani da wutar lantarki daga layin watsa mai nisa.
  4. Batun Tattalin Arziki: An kiyasta jimillar jarin da ya kai RMB biliyan 270 (kimanin dalar Amurka biliyan 40), wanda ya fi gina sabon layin dogo don safarar kwal.

Kamar yadda UHV ke ba da dama don canja wurin makamashi mai sabuntawa daga wurare masu nisa tare da damar da yawa don manyan shigarwa na wutar lantarki da hotuna.SGCC ta ambaci yuwuwar karfin wutar lantarki mai karfin GW 200 a yankin Xinjiang.

Sichuan D&F Electric Co., Ltd.a matsayin babban masana'anta don kayan aikin lantarki, sassan tsarin rufin lantarki, mashaya bas mai lanƙwasa, mashaya bas ɗin jan ƙarfe da mashaya bas mai sassauƙa, muna ɗaya daga cikin manyan masu ba da kayan kwalliyar kayan kwalliya da sandunan bas ɗin laminated don waɗannan ayyukan watsawar UHVDC na jihar.Don ƙarin bayani, da fatan za a ziyarci gidan yanar gizona don ƙarin bayani game da samfuran.


Lokacin aikawa: Janairu-01-2022