500kv超高压电缆

500KV交联聚乙烯绝缘电力电缆500KV XLPE insulated power cable1.产品标准/Standard本产品按照中华人民共和国国家标准GB/T22078.2-2008标准生产。We produced according to Nationat Standard of GB/T 22078.2-2008 of the People' s Republic of China.2.使用范围/Range of application适用于鼵定电压290/500KV通常安装和运行条件下使用的单芯电缆，但不适用于如海底电缆等特殊用途的电缆。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电境的额定电压为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)电缆导体高允许温度，正常运行时为90℃，知路时（长5s）为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.电缆安装时小奇曲半径为20倍电缆外径，电缆安装后小弯曲半径为15信电缆外径。4.使用环境（场所）/Service environment (Place)·铅套电缆，腐蚀较严重但无硝酸，醋酸，有机质（如泥煤及强碱性腐蚀质，且受机械力、拉力、压力、振动等）不大的场所。铝套电缆，腐蚀不严重和要求承受一定机械力的场所（如直接与变压器连接、敷设在桥梁口或竖井中等）。金属塑料复合护层电缆，主要用于受机械力、拉力、压力、振动等不大，无腐蚀或腐蚀轻微且不直接与水接触的一般港温场所。·聚氧乙烯（PVC）外护套电缆，主要适用于一般防火要求和对外护套有一定绝缘要求的电缆线路。聚乙烯（PE）外护套电缆，主要适用于对外护套绝缘要求较高的直埋数设的电缆线路，对-20℃以下的低温环境，或化学液体浸泡场所，以及燃烧时有低毒要求的电缆，PE外护套如有必要用于竖井中时应采取相应的防火，阳燃措施。

5. 产品命名、型号/Model and Name of product型号 Model电缆名称Name of cable铜芯Copper core▁▁交联聚乙烯绝缘皱坟铝套或焊接铝套聚氯乙烯护套电力电缆 …YJLWO2XLPE insulated corrugated aluminium sheath or welding aluminium sheath PVC sheath power cable_交联聚乙烯绝缘皱纹铝套或焊接铝套聚乙烯护套电力电缆▁▁▁▁▁YJLW03XLPE insulated corrugated aluminium sheath or welding aluminium sheath PE sheath power cabie_交联聚乙烯绝缘皱纹铝套或焊接铝套纵向限水聚氯乙烯护套电力电谨▁▁▁ …YJLW02-ZXLPE insulated corrugated aluminium sheath or welding aluminium sheath longitudinally water biocking PVC sheath power cabie▁交联聚乙烯绝缘皱纹铝套或焊接铝套纵向阻水聚乙烯护套电力电缆YJLW03-ZXLPE insulated corrugated aluminium sheath or welding aluminium sheath longitudinally water blocking PE sheath poner cable▁交联聚乙烯绝缘铅套聚氯乙烯护套电力电缆YJQ02XLPE insulated iead sheath PVC sheath power cabie交联聚乙烯绝缘铅套聚乙烯护套电力电缆YJQ03XLPE insulsted lead sheath PVC sheath power cable交联聚乙烯绝缘铅套聚氯乙烯护套纵向阻水电力电缆YJQ02-ZXLPE insulated lead sheath PVC sheath longitudinaly water biocking power cable交联聚乙烯绝缘铅套聚乙烯护套纵向阻水电力电YJQ03-ZXLPE intulated lead sheath PVC sheath longitudinally water blocking power cable▁

6. 导体结构规格、绝缘厚度…Conductor structure, specifications, insulation thickness规格导体截面导体中单线少根数20℃导体直流电阻大值口/km绝缘标称厚度结构 StructureSpecifications ConductorMinimum number ofMaximum of conductor direct-current resistance Q/kmInsulation norminal thicknesscross-section mm?single wire in conductor圆型导体/分割导体8000.0221Round conductor/5334Segmental conductor分割导体10001700.017633Sogmontal conductor▁分割导体12001700.015133Segmental conductor___分割导体14001700.012932Sogmental conductor▁▁分割导体16001700.011332Sogmental conductor▁分割导体18002650.010131Segmontal conductor分割导体20002650.009031Sogrmental conductor▁分割导体22002650.0083Sogmental conductor31_▁分割导体2500265310.0073Segmental conductor▁_

7.产品表示方法/Representation method of product●举例For exampleA.额定电压290/500KV单芯、铜导体、标称截面积1200mm'，交联聚乙烯绝缘皱纹铝套聚氯乙烯护套电力电缆表示为：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.额定电压290/500KV单芯铜导体标称截面积2500mm2，交联聚乙烯绝缘皱纹铅套聚乙烯护套纵向阻水电力电缆表示为：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.

广泛的产品应用Wide Application以诚信和发展凝聚客户，满足用户和社会的期望和要求。凭借良好的商誉和产品质量，“会友”牌电线电缆已广泛服务于我国能源领域（电站、核电站、城农电网、煤矿、石化等），交通领域（民航机场、铁路及城市轨道交通、船舰及港口等），工程领域（工程建筑、钢铁、冶金、建筑等）的工程项目。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.