Iyada oo horumarka joogtada ah ee dhismaha mashruuca gudbinta UHV AC / DC, natiijooyinka cilmi-baarista ee gudbinta awoodda UHV iyo tignoolajiyada isbeddelka ayaa sii kordhaya, taas oo bixisa taageero saynis iyo teknoloji oo xooggan oo loogu talagalay dhismaha shirkad caalami ah oo tamar ah oo Internet ah oo leh astaamo Shiinees ah.Horumarka degdega ah ee xadhkaha korantada, dhibaatada wakhtiga gaaban ee hadda jirta waxay si tartiib tartiib ah u noqotay arrin caan ah oo xaddidaysa koritaanka xadhkaha korantada iyo horumarinta xadhkaha korantada.
Awoodda jebinta ee korantada sare ee korontadu waxay si toos ah u go'aamisaa badbaadada iyo isku halaynta adeegga muddada-dheer ee xadhkaha gudbinta korantada.Tan iyo 2016, ku tiirsanaanta tiro ka mid ah mashaariicda sayniska iyo teknoolajiyada ee State Grid Co., Ltd., caalamiga ah tamarta Internet Research Institute Co., Ltd. iyo PingGao Group Co., Ltd. ayaa si guul leh u horumariyo cusub graphene wax ka beddelka xiriir koronto. wax soo saarka ka dib shan sano oo cilmi-baaris cilmiyeed.Tani waa mid muhiimad weyn leh si loo xalliyo dhibaatada wareegga gaaban ee dhaafsiisan heerka iyo in la hubiyo hawlgalka badbaadada iyo xasilloonida ee shabakada koronto ee AC / DC UHV
Cilmi-baadhis ku saabsan cusboonaysiinta agabka jebiya wareegga ee ujeeddadiisu tahay shuruudaha muhiimka ah
Marka loo eego tirakoobyada laxiriira, inta lagu jiro xilliga ugu sarreeya ee isticmaalka korantada xagaaga 2020, hadda ugu badnaan-gaaban ee qayb ka mid ah saldhigyada meelaha laga shaqeeyo ee Grid State iyo China South Power Grid waxay gaari doontaa ama xitaa dhaafi doontaa 63 Ka.Sida laga soo xigtay tirakoobka Shirkadda State Grid ee Shiinaha, sannadihii la soo dhaafay, oo ka mid ah guul darradii 330kV iyo in ka badan qalabka substation ee shirkadda ee aagga ganacsiga ee shirkadda, sida laga soo xigtay nooca qalabka, safarrada qaladka sababay by gaaska dahaaran biraha ku lifaaqan switchgear. GIS) iyo qalabka qaybinta isku-dhafka ah (HGIS) waxay u dhigantaa qiyaastii 27.5%, wareegtada waxay u dhigantaa 16.5%, Transformers iyo Transformers hadda waa 13.8%, Qalabka sare iyo baska waxay xisaabiyeen 8.3%, reactor waxay u dhiganta 4.6%, xidhiyaasha ayaa u dhiganta 3.7 %, xidhidhka goynta iyo usha danabku waxay ahaayeen 1.8%.Waxaa la arki karaa in GIS, wareegtada wareegga, beddelka iyo transformer-ka hadda jira ay yihiin qalabka ugu muhiimsan ee keenaya safarka cilad, xisaabinta 71.6% safarka guud.
Falanqaynta sababaha cilladdu waxay muujinaysaa in dhibaatooyinka tayada xidhiidhka, baadiyaha iyo qaybaha kale iyo habka rakibidda liidata ay yihiin arrimaha ugu muhiimsan ee keena cilladda wareegga wareegga.Inta lagu guda jiro hawlgalka SF6 circuit jebiyey marar badan, nabaad guurka hadda dhawr jeer ka badan hadda la qiimeeyey iyo xirashada farsamo ee u dhexeeya xiriirada dhaqaaqa iyo static arc waxay keeni doontaa qallafsanaanta xiriir iyo soo saaro uumiga biraha, kaas oo dhaawici doona waxqabadka dahaarka ee qolka bakhtiinta ee arc.
Muddada qorshaha shanta sano ee afar iyo tobnaad, gobolka Qinghai waxa uu qorshaynayaa in uu balaadhiyo awoodda laba saldhig oo 500kV ah si loo kordhiyo culayska wakhtiga gaaban ee hadda jira 63kA ilaa 80kA.Haddii qalabka wareegga wareegga la cusboonaysiiyo, awoodda saldhigga ayaa si toos ah loo ballaarin karaa, waxaana la badbaadin karaa kharashka weyn ee ballaarinta saldhigga.Waqtiyada jebinta danabka sare iyo awoodda weyn ee wareegga wareegga waxaa inta badan gacanta ku haya nolosha xiriiriyeyaasha korantada ee jebiya wareegga.Waqtigan xaadirka ah, horumarinta xiriirada korantada ee korantada sare ee Shiinaha ee Shiinaha waxay inta badan ku saleysan tahay dariiqa farsamada ee qalabka tungsten ee naxaasta.Alaabta korantada ee tungsten naxaasta guriga ma buuxin karaan shuruudaha injineernimada aadka u sarreeya iyo ultra-sare marka loo eego iska caabinta arc arc iyo xoqid iyo xidhashada caabbinta.Marka loo isticmaalo in ka baxsan xadka nolosha adeegga, waxay u nugul yihiin in dib loo galo, taas oo si toos ah u khatar gelinaysa waxqabadka dahaadhka ee qalabka korontada oo keena khatar weyn oo qarsoon oo ku wajahan hawlgalka badbaadada leh ee shabakada korontada.Qalabka korantada ee tungsten daawaynta korantada korantada ee adeega ayaa leh dabacsanaan hooseeya iyo dherer, waxayna si fudud u jaban yihiin habka ficilka, iyo la'aanta caabbinta ablation.Inta lagu jiro habka ablation-ka, naxaasku waa sahlan tahay in la ururiyo oo korayo, taas oo keenta xiriirka dillaaca.Sidaa darteed, waxaa muhiim ah in si wax ku ool ah loo hagaajiyo tilmaamayaasha waxqabadka muhiimka ah ee qalabka xiriirinta korantada, sida xirashada iska caabinta, conductivity, alxanka ka hortagga, nabaad guurka, si loo yareeyo heerka fashilka ee wareegga wareegga iyo ilaalinta ammaanka iyo xasilloonida hawlgalka awoodda. grid.
Chen Xin, oo ah agaasimaha machadka agabka, Academia Sinica, ayaa yidhi: "hadda, marka wareegga gaaban ee korantada korantada uu ka sarreeyo awoodda jebinta wareegga wareegga, wakhtiga gaaban ee wareegga gaaban ayaa ka sarreeya heerka caadiga ah, kaas oo si dhab ah u saameeya. Kalsoonida hawlgalka ee shabkada korantada, waxayna soo bandhigaysaa shuruudo sare oo loogu talagalay jabinta awoodda jebinta wareegga wareegga iyo iska caabinta xiriirka. sidaas darteed waa lagama maarmaan in la sameeyo dayactir dhamaystiran, taas oo ka fog buuxinta shuruudaha dayactirka bilaashka ah ee wareegga nolosha dhabta ah ee wareegga wareegga SF6. Burburinta hore ee arc ka hor inta aan la xidhin, iyo tan kale waa xirashada farsamada ka dib markii qalabka xiriirka arc uu noqdo mid jilicsan ka dib markii la tirtiro.Waa lagama maarmaan in la soo bandhigo dariiq farsamo oo cusub si si wax ku ool ah loo hagaajiyo tusmooyinka waxqabadka muhiimka ah ee qalabka xiriirka korantada "Tiknoolajiyadu waxay u baahan tahay in si joogto ah loo hagaajiyo loona cusboonaysiiyo.Waa inaan si adag u qabsanaa hindisaha gacmaheena ku jira."ayuu yidhi Chen Xin.
Marka la eego baahida degdegga ah ee gudbinta awoodda qaranka iyo qalabka isbeddelka ee cusboonaysiinta qalabka xidhiidhka korantada ee qaybaha asaasiga ah ee korantada sare ee korantada, laga bilaabo 2016, Machadka qalabka cusub ee korantada ee Machadka Cilmi-baarista Wadajirka ah, Machadka Yurub, kooxda wadajirka ah ee Pinggao iyo cutubyo kale ayaa si wadajir ah u fuliyay cilmi-baaris farsamo oo ku saabsan qalabka cusub ee graphene ee la beddelay ee naxaasta ee ku salaysan qalabka xiriirka korontada, waxayna fuliyeen iskaashi caalami ah oo ku tiirsan Machadka Yurub iyo Jaamacadda Manchester, UK.Caawin si aad u wanaajiso wax qabadka korontada sare ee wareegga wareegga.
Kooxdu waxay wada shaqeeyaan si ay u xalliyaan tiro dhibaatooyin farsamo
Wanaajinta is dhexgalka ee caabbinta arc arc iyo iska-caabbinta iyo xidhashada iska caabbinta ayaa fure u ah wax soo saarka ballaaran ee xiriiriyeyaasha korantada ee waxqabadka sarreeya.Cilmi-baadhista qalabka xidhiidhka korantada ee sare-u-qaadka ah ee dalalka shisheeye ayaa bilawday xilli hore, tignoolajiyaduna waa mid bislaaday, laakiin tignoolajiyada udub-dhexaadka ah ayaa ka xanniban waddankeenna.Ku tiirsanaanta tiro ka mid ah mashaariicda sayniska iyo teknoolajiyada ee shirkadda, kooxda mashruuca, iyada oo lala kaashanayo dibadda R & D awoodda, kooxda warshadaha xaqiijinta nooca imtixaanka iyo muujinta codsiga ee shirkadaha awoodda gobolka, ayaa aasaasay koox yar oo sayniska iyo farsamada ah oo leh "80 " laf-dhabarta sida jidhka ugu weyn.
Xubnaha muhiimka ah ee kooxda ayaa xidid ku yeeshay safka hore ee R & D ee marxaladda R & D ee habka walxaha iyo habka diyaarinta;Marxaladda wax-soo-saarka tijaabada ah, shirkaddu waxay u taagnayd soo-saaraha si ay u xalliso dhibaatooyinka farsamada ee goobta, ugu dambeyntii waxay jebisay dhibka dheelitirka u dhexeeya sifooyinka walxaha, halabuurka, qaab-dhismeedka ururka iyo habka diyaarinta, waxayna samaysay horumar ku saabsan tiknoolajiyada muhiimka ah. hagaajinta waxqabadka maaddooyinka;Marxaladda tijaabada nooca, waxaan sii joogay kooxda Pinggao ee xarunta tijaabada danabka sare, waxaan kala hadlay xarunta tignoolajiyada kooxda Pinggao iyo xarunta korantada sare ee R & D kooxda marar badan, si isdaba joog ah ayaa loo xaliyay, ugu dambeyntiina waxaan ku gaaray boodbood tayo sare leh ee jabinta awooda sare korantada sare ee hadda jira nolosha korontada.
Dadaalka joogtada ah, kooxda cilmi-baarayaasha ayaa si guul leh u helay nidaamka qaabaynta ee graphene-waxqabadka sare xoojiyey copper ku salaysan qalabka xiriir korantada ka kooban, jebiyey iyada oo tignoolajiyada muhiimka ah ee qalabka xidhiidhka korantada graphene habka design jihada iyo firfircoonida sintering dhexgalka dhexgalka isku dhafan, iyo xaqiiqsadeen warshadaha. diyaarinta qalabka korantada ee graphene la beddelay.Markii ugu horeysay, kooxdu waxay soo saartay graphene modified copper tungsten aluminium xiriir koronto oo loogu talagalay sulfur hexafluoride circuit breaker oo wajahaya 252kV iyo wixii ka sareeya.Tilmaamayaasha waxqabadka muhiimka ah sida korantada iyo foorarsiga xoogga ayaa ka fiican kuwa alaabooyinka firfircoon, si weyn u wanaajiya nolosha korantada ee firfircoonida firfircoonida firfircoonida, buuxinta farqiga farsamada ee goobta graphene oo wax laga beddelay qalabka korantada sare ee korantada. , Waxay wanaajisaa cilmi-baarista madax-bannaan ee shirkadda iyo heerka horumarinta ee xidhiidhada korantada ee hadda iyo awoodda weyn ee hadda jira, waxayna ka caawisaa in la hubiyo in ammaanka iyo hawlgalka lagu kalsoonaan karo ee nidaamka korontada.
Natiijooyinka mashruucu waxay taageerayaan naqshadaynta madax-bannaan iyo meelaynta codsiga wareegga wareegga
Laga bilaabo Oktoobar 29 ilaa 31, 2020, marka loo eego nidaamka xaqiijinta ugu wanaagsan ee ay dejiyeen machadka cilmi baarista wadajirka ah iyo kooxda Pinggao wadahadalo badan ka dib, nooca cusub ee furaha furan nooca 252kV / 63kA SF6 ee kooxda Pinggao oo ku saleysan xiriirka korantada ayaa si guul leh u gaaray 20 jeer awood jabin buuxda oo hal mar ah.Zhong Jianying, madaxa injineerka kooxda Pinggao, ayaa yidhi: "Sida laga soo xigtay fikradaha kooxda khabiirka aqbalaadda mashruuca, tignoolajiyada guud ee mashruuca ayaa gaadhay heer caalami ah oo horumarsan, iyo tilmaamayaasha ugu muhiimsan ee farsamada ayaa gaadhay heerka hogaaminta caalamiga ah. Kaliya by samaynta horumarka tignoolajiyada asaasiga ah waxaan si fiican u caawin karnaa shirkadaha inay xakameeyaan kharashaadka iyo hubinta sahayda agabka muhiimka ah mustaqbalka, waa inaan sii wadnaa xoojinta cilmi baarista injineernimada nidaamyada iyo kor u qaadista isbeddelka warshadaha ee guulaha cilmi-baarista sayniska. "
Guushani waxay si xoog leh u taageertaa naqshadaynta madaxa banaan, horumarinta iyo codsiga gudaha ee 252kV porcelain post circuit jabiye leh oo lagu qiimeeyay jebinta wareegga gaaban ee hadda ah 63kA laguna qiimeeyay hadda 6300A ee kooxda Pinggao.252kV / 63kA nooca tiirka wareegga wareegga wuxuu leeyahay baahi suuqeed oo ballaaran iyo aag daboolan oo ballaaran.Horumarka lagu guuleystay ee noocaan ah ee wareegtada ayaa door muhiim ah ka ciyaara sii horumarinta suuqyada gudaha iyo dibadda ee wareegyada gudaha, taas oo u sahlaysa in la wanaajiyo R & D xoogga iyo heerka farsamo ee shirkadda ee berrinkii wareejin-dhamaadka sare. , wuxuuna leeyahay faa'iidooyin bulsho iyo dhaqaale oo wanaagsan.
Baahida suuqa ee xidhiidhada korantada ee sare ee Shiinaha waa qiyaastii 300000 nooc sanadkii, iyo wadarta iibka suuqa sanadlaha ah wuxuu ku dhow yahay 1.5 bilyan yuan.Qalabka koronto ee cusub ee korontadu waxay leeyihiin rajooyin suuqa oo ballaaran oo horumarinta mustaqbalka ee korontadu.Waqtigan xaadirka ah, guulaha mashruucu waxay gaadheen iskaashi iyo ujeedo isbeddel ah oo lala yeesho Pinggao, Xikai, taikai iyo shirkado kale oo korantada sare leh, iyaga oo aasaas u ah codsiga soo-bandhigidda soo socda iyo kor u qaadida baaxadda weyn ee berrinka korantada ultra-sare iyo ultra- gudbinta tamarta danab sare iyo isbedel.Kooxda mashruucu waxay sii wadi doontaa inay diiradda saaraan xudduudaha tamarta iyo awoodda sayniska iyo tignoolajiyada, si joogto ah u xoojiya hal-abuurka iyo ku-dhaqanka, waxayna sii wadi doonaan kor u qaadista cilmi-baarista madax-bannaan iyo horumarinta iyo codsiga meelaynta ee qalabka asaasiga ah ee qalabka korontada-dhamaadka sare.
Waqtiga boostada: Jul-08-2021