1、中华人民共和国国家标准额定电压35kV及以下铜芯、铝芯纸绝缘电力电缆第2部分:不滴流油浸纸绝缘金属套电力电缆GB12976.2-91Copper or aluminium conductor paper-insulated power cableswith rated voltages up to 35 kV-Part 2:Non-draining oil impregnated paper-insulatedmetal-sheathed power cables1主题内容与适用范围本标准规定了额定电压35kV及以下的铜芯或铝芯不滴流油浸纸绝缘金属套电力电缆的型号、规格、技术要求和试验。本标准
2、适用于额定电压35kV及以下的铜芯或铝芯不滴流油浸纸绝缘金属套电力电缆。本标准应与GB12976.1一起使用。2使用特性2.1电缆最高允许连续工作温度如表1规定。表1电缆额定电压a/U导体最高允许连续工作温度,kV筑芯及分相铅套电缆带绝缘电缆0.6/180801.8/3,3.6/380803.6/6,6/680806/10.8.7/1070658.7/15,12/157012/20,18/206521/35,26/35652.2电缆可用于垂直数设场合。2.3当直埋电缆在表1规定允许温度的连续负荷下(100%负荷因数)运行,电缆周围土壤的热阻系数,可能随时间而逐渐增大时,导体温度可能大大地超过规
3、定的最高允许值,如果预见到这种运行条件,那么应采取相应的预防措施。2.4电缆敷设时的最小弯曲半径应不小于电缆弯曲试验时圆柱体的直径,电缆在环境温度低于0敷国家技术监督局1991-06-06批准1992-03-01实施1GB12976.2-91表3额定电压o/,kV型号芯数0.6/11.8/33.6/33.6/86/66/108.7/108.7/152/1512/2018/2021/3526/35标称截面,mmZLLD.ZLD,ZLQD.ZQDZLLD02.ZLD02.ZLQD02,ZQD0225-100d50100050100050100050100050-1000501000ZLLD03.Z
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