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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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4.4.2.3 风筒5 投切元件型式 2 030210001001 户内热(冷)缩式电缆头制作 400mm2 电缆终端头制作 套 4 1800 7200 3.2.5 绝缘热延伸试验:按照 GB/T 2951.5 进行试验(200℃,20N/cm2,15min),应在靠近导体屏 蔽、绝缘中间层和靠近绝缘屏蔽分别取样和试验。09 10kV电力电缆 安徽明都电力线缆有限公司3 030203001001 热(冷)缩式电缆中间头制作 400mm2 电缆中间终端头制作 套 12 2900 34800 屋顶风机的噪音应不大于55dB(A)(离设备表面1米处),噪音应符合有关规定。序号 名 称 数 量 性能指标 用 途