定西500kv超高壓電力電纜價格
500KV交聯(lián)聚乙烯絕緣電力電纜500KV XLPE insulated power cable1.產(chǎn)品標準/Standard本產(chǎn)品按照中華人民共和國國家標準GB/T22078.2-2008標準生產(chǎn)。We produced according to Nationat Standard of GB/T 22078.2-2008 of the People' s Republic of China.2.使用范圍/Range of application適用于鼵定電壓290/500KV通常安裝和運行條件下使用的單芯電纜，但不適用于如海底電纜等特殊用途的電纜。It is suitable for single-core cable' s installation and operation under normal conditions of mted voltage 290/500KV , but it is not suitable for cable inspecial use, such as submarine cable.3.使用特性/Characteristics of cable電境的額定電壓為Ue=290KV U=500KV Uv=550KVRated voltage of cable is Uo=290KV U=500KV Uv=550KV.The allowable maximum tomperature of cable conductor is 90C when it runs innomal, and 250℃ when it short circuited (Longest time is 5s)電纜導體高允許溫度，正常運行時為90℃，知路時（長5s）為250℃The allowable minimum bending radius is 20 times of cable outside diameter wheninstalled. Alter installation, the minimum bending radius is recommended for 15 timesof cabio outside diarmoter.電纜安裝時小奇曲半徑為20倍電纜外徑，電纜安裝后小彎曲半徑為15信電纜外徑。4.使用環(huán)境（場所）/Service environment (Place)·鉛套電纜，腐蝕較嚴重但無硝酸，醋酸，有機質（如泥煤及強堿性腐蝕質，且受機械力、拉力、壓力、振動等）不大的場所。鋁套電纜，腐蝕不嚴重和要求承受一定機械力的場所（如直接與變壓器連接、敷設在橋梁口或豎井中等）。金屬塑料復合護層電纜，主要用于受機械力、拉力、壓力、振動等不大，無腐蝕或腐蝕輕微且不直接與水接觸的一般港溫場所?！ぞ垩跻蚁?/span>PVC）外護套電纜，主要適用于一般防火要求和對外護套有一定絕緣要求的電纜線路。聚乙烯（PE）外護套電纜，主要適用于對外護套絕緣要求較高的直埋數(shù)設的電纜線路，對-20℃以下的低溫環(huán)境，或化學液體浸泡場所，以及燃燒時有低毒要求的電纜，PE外護套如有必要用于豎井中時應采取相應的防火，陽燃措施。
5. 產(chǎn)品命名、型號/Model and Name of product型號 Model電纜名稱Name of cable銅芯Copper core▁▁交聯(lián)聚乙烯絕緣皺墳鋁套或焊接鋁套聚氯乙烯護套電力電纜 …YJLWO2XLPE insulated corrugated aluminium sheath or welding aluminium sheath PVC sheath power cable_交聯(lián)聚乙烯絕緣皺紋鋁套或焊接鋁套聚乙烯護套電力電纜▁▁▁▁▁YJLW03XLPE insulated corrugated aluminium sheath or welding aluminium sheath PE sheath power cabie_交聯(lián)聚乙烯絕緣皺紋鋁套或焊接鋁套縱向限水聚氯乙烯護套電力電謹▁▁▁ …YJLW02-ZXLPE insulated corrugated aluminium sheath or welding aluminium sheath longitudinally water biocking PVC sheath power cabie▁交聯(lián)聚乙烯絕緣皺紋鋁套或焊接鋁套縱向阻水聚乙烯護套電力電纜YJLW03-ZXLPE insulated corrugated aluminium sheath or welding aluminium sheath longitudinally water blocking PE sheath poner cable▁交聯(lián)聚乙烯絕緣鉛套聚氯乙烯護套電力電纜YJQ02XLPE insulated iead sheath PVC sheath power cabie交聯(lián)聚乙烯絕緣鉛套聚乙烯護套電力電纜YJQ03XLPE insulsted lead sheath PVC sheath power cable交聯(lián)聚乙烯絕緣鉛套聚氯乙烯護套縱向阻水電力電纜YJQ02-ZXLPE insulated lead sheath PVC sheath longitudinaly water biocking power cable交聯(lián)聚乙烯絕緣鉛套聚乙烯護套縱向阻水電力電YJQ03-ZXLPE intulated lead sheath PVC sheath longitudinally water blocking power cable▁
6. 導體結構規(guī)格、絕緣厚度…Conductor structure, specifications, insulation thickness規(guī)格導體截面導體中單線少根數(shù)20℃導體直流電阻大值口/km絕緣標稱厚度結構 StructureSpecifications ConductorMinimum number ofMaximum of conductor direct-current resistance Q/kmInsulation norminal thicknesscross-section mm?single wire in conductor圓型導體/分割導體8000.0221Round conductor/5334Segmental conductor分割導體10001700.017633Sogmontal conductor▁分割導體12001700.015133Segmental conductor___分割導體14001700.012932Sogmental conductor▁▁分割導體16001700.011332Sogmental conductor▁分割導體18002650.010131Segmontal conductor分割導體20002650.009031Sogrmental conductor▁分割導體22002650.0083Sogmental conductor31_▁分割導體2500265310.0073Segmental conductor▁_
7.產(chǎn)品表示方法/Representation method of product●舉例For exampleA.額定電壓290/500KV單芯、銅導體、標稱截面積1200mm'，交聯(lián)聚乙烯絕緣皺紋鋁套聚氯乙烯護套電力電纜表示為：YJLW02-290/500kv-1× 1200 GB/T22078.2-2008.A.Single-core copper conductor with rated voltage of 290/500KV, nominal sectional area of 1200mm2, so XLPE insulated corrugated aluminium sheath PVC sheathpower cable will be represented as: YJLW02-290/500kv-1 × 1200 GB/T 22078.2-2008.B.額定電壓290/500KV單芯銅導體標稱截面積2500mm2，交聯(lián)聚乙烯絕緣皺紋鉛套聚乙烯護套縱向阻水電力電纜表示為：YJQ03-Z-290/500kv-1×2500GB/T 22078.2-2008.B.Single-core copper conductor with rated voltage of 290/500KV, nominal sectional area of 2500mm*, so XLPE insulated corrugated lead sheath PVC sheathlongitudinally water blocking power cable wil be represented as: YJQ03-Z-290/500ky-1 × 2500 GB/T 22078.2-2008.
廣泛的產(chǎn)品應用Wide Application以誠信和發(fā)展凝聚客戶，滿足用戶和社會的期望和要求。憑借良好的商譽和產(chǎn)品質量，“會友”牌電線電纜已廣泛服務于我國能源領域（電站、核電站、城農(nóng)電網(wǎng)、煤礦、石化等），交通領域（民航機場、鐵路及城市軌道交通、船艦及港口等），工程領域（工程建筑、鋼鐵、冶金、建筑等）的工程項目。In good faith and develop cohosion customers, moet user and society's expectations and requirements. With a good reputationand product quality. "huiyou" brand wire and cable has been widely used in China's energy sector (power plants, nuclear powerplant, the city power grid farming, mining. petrochemical, etc.), the transport sector (civil aviation airports, ratlway and urban railtransportation, ships and port, etc.), engineering (engineering construction, steel, metallurgy, construction, etc.) the focus ofprojocts.
