Njengongcweti oseneminyaka engaphezu kwamashumi amabili embonini yezintambo nezintambo, ngibone ukuguquguquka okuningi kokusetshenziswa kokufakwa kwezinto. Ngenkathi ubuchwepheshe-be-polyethylene (XLPE) obuxhumene kakhulu buvela, ngangazi ukuthi buzochaza kabusha ukudluliswa kwamandla. Namuhla, ngizokwabelana ngevelu ewumongo kanye nemininingwane esebenzayo yeIzintambo zamandla ezifakiwe ze-XLPEngokombono womsebenzi ongaphambili.
I. Ukufakaza Uguquko Lobuchwepheshe: Indlela I-XLPE Eyehlise Ngayo Ubukhosi Bezinto Zomdabu
Ekuqaleni kwawo-1990, amakhebuli e-PVC{1}}avalekile ayesadlangile. Kodwa ngenkathi ngiqapha amaphrojekthi ezindaweni eziseningizimu yeShayina{3}}zokushisa okuphezulu,{4}}ezinomswakama ophezulu, ngibone amaphutha abalulekile: I-PVC ithambe futhi ikhubazekile phakathi{5}}nokusebenza kwesikhathi eside, ngokubola okukhulu kwamanje{6}} kokuthwala amandla. Umbono wami washintsha phakathi nephrojekthi yokuqala ye-XLPE medium{8}}yekhebula ye-voltage (1998, 35kV ukufakwa ngaphansi komhlaba emadolobheni):
Isilinganiso Sezinga Lokushisa Esiphumelelayo: Izinga lokushisa langempela lokusebenza lifinyelele ku-90℃, 40% ngaphezu kwe-PVC
Amandla Okulayisha Okuphezulu Aqinisekisiwe: Imelane namazinga okushisa esifunda angu-130{1}}ngaphandle kokuncibilika
Ukuqhathaniswa kwe-Lifecycle: Ukumbiwa ngemva kweminyaka engu-15 akuzange kubonise ukuguga kwesihlahla esibalulekile samanzi ku-XLPE insulation
Lezi zipiliyoni zasenkambu ziqhubekisele phambili isinqumo sethu sika-2005 sokudlulela ngokugcwele emigqeni yokukhiqiza ye-XLPE. Namuhla, kusisekelo sekhebula le-Shaanxi Jinshenghong, imigqa emithathu ye-CCV (Continuous Curing Vulcanization) isebenza ngo-24/7, ngokukhethekile ngezinqubo zokuvala-eziphezulu ze-XLPE.
II. I-Demystifying Technology: I-Critical XLPE Application Insights
1. Ukulwa Nesihlahla Samanzi: Izifundo Eziphumelele-Ziphumelele
Ukuhluleka kwesiteshi esingaphansi kwango-2008 edolobheni elingasogwini kwangifundisa lokhu: I-XLPE ayikwesabi ugesi, kodwa ukungena kwama-ion amanzi. Sisebenzisane nelebhu yezinto zokwakha yase-Xi'an Jiaotong University ukuze sisungule izinqubo ezimbili:
I-Ultra-I-Clean Insulation: Ukusebenzisa i-Borealis Borcoat™ FE4420 enezinhlayiya zokungcola Ezingaphansi noma ezilingana no-5μm
I-Dry Curing: I-Nitrogen-i-vulcanization evikelekile iqeda izinsalela zomswakama ekwelapheni isitimu
Ukuhlola{0}}okusheshisiwe kokuguga okuvela eceleni (IEC 60502-2) kuqinisekisa iminyaka engaphezu kwengu-40 yokuphila kwamakhebuli anjalo.
2. Ukufakwa: Izifundo Ezibhalwe Ngegazi
Ukwehluleka kwephrojekthi kamasipala kamasipala wango-2015 ngenxa yomonakalo wokufakwa kwembula izinto ezintathu{1}}okungaxoxiswana ngazo:
III. Ukuthuthukiswa Ngokwezifiso Kwezicelo Ezintsha Zamandla
Njengoba amaphrojekthi elanga nawomoya ayekhula, izintambo ezijwayelekile ze-XLPE zidalule imikhawulo ebalulekile:
1. Ukuxazulula I-Solar Farm Pain Points
Ukuvikelwa kwe-UV: Ukuhlolwa kwensimu e-Gobi Desert yaseDunhuang kufakazele amajakhethi ano-2.5% wekhabhoni emnyama akhuphula ukumelana ne-UV ngokuphindwe kayisi-8
I-Torsion-Imiklamo Engazweli: Kuthuthukiswe izakhiwo ezimelene{1}}ne-twist (1:8 galvanized wire pitch ratio) zamasistimu okulandelela
2. I-Offshore Wind Tech Breakthrough
Ikhebula lethu elingaphansi kwamanzi elingu-35kV XLPE lesizinda sepulazi lomoya lase-Bohai Sea izici:
Njengoba idlula izivivinyo zesifutho sikasawoti samahora angu-1,800, impilo yayo yokwakheka idlula iminyaka engama-30.
IV. Ukukhiqiza kwamaShayina kuGlobal Arena
Amaphrojekthi wamandla we-"Belt and Road" asifundise ukuthi izindinganiso zamazwe ngamazwe{0}}akuxoxiswana ngazo:
Isitifiketi se-EU CPR: Izintambo zangokwezifiso ze-B2ca flame-ezinesikhathi eside ze-XLPE zamapulazi elanga laseGreece
I-Middle East High{0}}Amamodeli e-Temp: 125℃XLPO wezinkundla zikawoyela wase-Oman
I-Anti-Izintambo Zomhlwa: Izengezo ze-Gamma-ze-cypermethrin zamaphrojekthi amahlathi emvula aseNingizimu mpumalanga ye-Asia
Iphothifoliyo yamanje ye-XLPE ye-Shaanxi Jinshenghong Cable ifaka:
I-Voltage Range: 0.6/1kV kuya ku-220kV XLPE amakhebuli agqunyiwe
Izinhlobo Ezikhethekile: Izintambo-ezikwazi ukumelana nomlilo (950℃/3h), izintambo ezikwazi ukumelana namagundane/izinambuzane, izintambo zokushaja ze-EV
I-New Energy Series: TUV 2PfG 1990 ye-solar, i-DNV-GL yomoya
V. Technology Outlook: Ishumi Leminyaka Elilandelayo
Idatha evela ku-100,{1}} amaphrojekthi ebhizinisi aveza amathrendi amathathu:
1. I-Smart Integration: I-DFOS (I-Distributed Fiber Optic Sensing) kumaphrojekthi wokuhlola we-State Grid inika amandla{1}}ukuqapha kwezinga lokushisa kwangempela kwekhondatha yesikhathi
2. I-Eco-I-Evolution: Okuqukethwe kwe-polyethylene okugaywe kabusha ku-halogen{2}}izinhlanganisela zamahhala ze-flame retardant kufinyelela ku-40%
3. I-Prefabrication Boom: Izintambo{1}}ezinamagatsha ngaphambili ezikhungweni zedatha zibonisa ukukhula konyaka okungu-35%
I-Epilogue
Kusukela ogwadule lwaseNyakatho-ntshonalanga ye-China ukuya e-Persian Gulf, ukusuka kumagridi e-UHV kuya ku-solar ophahleni, izintambo zikagesi ezigqunywe ngophahla lwe-XLPE ziyaqhubeka nokuchaza kabusha imingcele yokudluliswa kwamandla. Embonini ehlakaniphile yekhebula le-Shaanxi Jinshenghong, imitha ngalinye lekhebula le-XLPE lihlanganisa ukulawula okunembayo (±1℃lokushisa, ±0.1Mpa pressure). Ukukhetha umkhiqizi okhethekile kusho ukuthola amashumi eminyaka efa lobuchwepheshe - isisekelo senkonzo yethu kumakhasimende kuwo wonke amazwe angu-130. Uma ubambe ikhebuli ye-XLPE, ubamba ubunjiniyela obucwebezelayo bamasistimu amandla esimanjemanje.