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GB/T 11017-2002《额定电压110kV交联聚绝缘电力电缆及其附件》 GB/T 11017-2002:Power cables with cross-linked polyethylene insulation and their accessories for rated voltage of 110kV. IEC 60840:1999 《额定电压大于30kV(Um=36kV)至150kV(Um=170kV)挤包绝缘电力电缆及其附件-试验和要求》 IEC 60840:1999 Power cables with extruded insulation and IEC 60840:1999 Power cables with extruded insulation and their accessories for rated voltages above 30kV(Um=36kV)up to 150kV (Um=170kV) methods and requirements |
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交联聚绝缘电力电缆导体工作温度高,传输容量大,电气性能优良,电费附件简单安装敷设方便等优点,因此在当今电力中使用广泛。 Cross-linked polyethylene insulated power cable are featured with high allowable working temperature of conductor,huge transmission capacity,excellent electric properties,simple cable accessories and convenient installment and laying, so that they are widely used in the power system today. 电缆适用于工频额定电压为64/110kV(Um=126kV),中心点直接接地的输电线路。 The cable can be applied to the neutral-point solid grounded power transmission line system with AC.rated voltage 64/110kV(Um=126kV). |
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1.电缆正常运行时导体允许的长期高温度为90℃ 1.During the normal operation of cables,the max permissible continuous operation temperature of conductor should not exceed 90℃ 2.短路时(长时间不超过5秒)电缆导体允许的高温度为250℃。 2.Conductor short-circuit temperature should not exceed 250℃(when max sustaining period will not exceed 5 seconds). 3.电缆安装时允许的小弯曲半径一般为电缆直径的25倍。 3.The min permissible bending radius during the cable laying is normally 25 times of the diameter of cables. 4.电缆敷设时不受落差。 4.Free from restrictions of level difference along the route during the cable laying. 5.低于0℃敷设时,必须预先加温。 5.Pre-heated is needed when the temperature is below 0℃ during the cable laying. |
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方根据具体设备需求可提供下列电源:380/220V,三相四线,50Hz。技术参数见专用部分技术参数特性表。7 030211007002 电缆调试 调试 8 3.3.3 电缆的材料、尺寸变动前,应及时通知需方,并经需方认可。LA3102C12001 中间接头制作、安装 1.型号、规格:110kV中间电缆接头1*400 套/三相 14 主要设备推荐品牌为避免电缆内电缆温度过高影响电缆的载流量以及电缆的老化等,同时避免其升温造成电力内所处的恶化,若电缆内超过40℃,排风将自动启动,打开相应的电动进风百叶窗和排风机组,直至电缆内温度降至35℃以下通风停止运行。1 基本结构(冷缩式、预制式和热缩式) 冷缩式 (卖方型号)