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交流额定电压3kV及以下铁路机车车辆用电缆(电线)
一、适用范围
橡皮绝缘铁路机车车辆用电缆(电线)采用橡皮绝缘,根据绝缘用橡皮的不同分为三个品种,主要适用于交流额定电压3kV及以下铁路机车车辆用电缆的电能传输和敷设连接用线,具有的耐油、耐寒、耐紫外线等特性。
二、产品结构示意图
三、使用特性
1、额定电压U0/U为500V、750V、1kV、1.5kV和3kV。直流额定电压为交流额定电压的1.5倍。
2、电缆长期允许工作温度为: DCXF/2、DCH/3、DCEH/3产品为70℃;DCH/3-100,DCEH/3-100产品为100℃。
3、电缆zui低使用环境温度:DCXF/2、DCH/3、DCEH/3、DCH/3-100、DCEH/3-100等产品应不低于-25℃。
4、电缆敷设的允许弯曲半径:
电缆外径(D)为20mm及以下时应不小于3D。
电缆外径(D)为20mm以上时应不小于5D。
四、电缆的型号及规格
1、电缆的型号见表1.
表1 电缆型号及名称
序号 | 型号 | 额定电压 | 名称 |
1 | DCXF/2 | 750V、1.5kV | 铜芯天然丁苯橡皮绝缘氯丁橡皮护套铁路机车车辆用电缆(电线) |
2 | DCH/3 | 750V | 铜芯氯磺化聚乙烯绝缘铁路机车车辆用电缆(电线) |
3 | DCH/3-100 | 750V | 铜芯耐热100℃氯磺化聚乙烯绝缘铁路机车车辆用电缆(电线) |
4 | DCEH/3 | 750V、1.5kV、3kV | 铜芯乙丙绝缘氯磺化聚乙烯护套铁路机车车辆用电缆(电线) |
5 | DCEH/3-100 | 750V、1.5kV、3kV | 铜芯耐热100℃乙丙绝缘氯磺化聚乙烯护套铁路机车车辆用电缆(电线) |
2、缆的规格见表2
表2 电缆的规格
序号 | 型号 | 额定电压 | 规格mm2 |
1 | DCXF/2 | 750V,1.5kV | 1,1.5,2.5,4,6,10,16,25,35,50,70,95,120,150,185,240,300 |
2 | DCH/3,DCH/3-100 | 750V | 0.5,0.75,1,1.5,2.5,4,6,10,16,25,35,50,70,95,120,150,185,240,300 |
3 | DCEH/3,DCEH/3-100 | 750V | 0.5,0.75,1,1.5,2.5,4,6,10,16,25,35,50,70,95,120,150,185,240,300 |
4 | DCEH/3,DCEH/3-100 | 1.5kV | 1,1.5,2.5,4,6,10,16,25,35,50,70,95,120,150,185,240,300 |
3、代号名称和含义如表3
表3 代号的名称及含义
项目 | 代号 | 说明 |
系列代号 | DC | 机车车辆用电缆(电线) |
绝缘材料 | X | 天然丁苯橡皮 |
E | 乙丙橡皮 | |
H | 氯磺化聚乙烯 | |
护套材料 | F | 氯丁橡皮 |
H | 氯磺化聚乙烯 | |
耐油特性 | 1 | 安装在无矿物油和燃料油污染处 |
2 | 安装在受矿物油污染,但无燃料油污染处 | |
3 | 安装在受矿物油和燃料油污染处 | |
耐热特性 | 70 | 耐热70℃ |
100 | 耐热100℃ | |
注:耐温等级无明确标注者为70℃。 |
五、主要技术特点
1、成品电缆导体直流电阻符合GB/T 3956-1983的有关规定。
2、20℃时绝缘电阻:额定电压3kV的DCEH/3、DCEH/3-100型电缆应不小于1013Ω.km。
3、成品电缆经受如下交流电压试验不击穿:
表3 交流电压试验
额定电压 | 750V | 1.5kV | 3kV |
交流电压试验 | 2 kV/15min | 6 kV/15min | 12 kV/15min |
4、DCXF/2型电缆允许在受矿物油污染的环境使用;DCH/3、DCH/3-100、DCEH/3、DCEH/3-100型电缆允许在受矿物油和燃料油污染的环境使用。
六、 电缆基本结构参数如表5所示:
表5 电缆结构参数
型号 | 导体标称截面mm2 | 导体结构根数/单线直径mm | 绝缘标称厚度mm | 护套标称厚度mm | 平均外径mm | |
下限 | 上限 | |||||
DCXF/2 750V | 1(A) | 32/0.20 | 0.8 | 1.0 | 4.7 | 5.6 |
1(B) | 56/0.15 | 0.8 | 1.0 | 4.7 | 5.6 | |
1.5(A) | 30/0.25 | 0.8 | 1.0 | 4.9 | 6.0 | |
1.5(B) | 85/0.15 | 0.8 | 1.0 | 5.0 | 6.0 | |
2.5(A) | 50/0.25 | 0.8 | 1.0 | 5.6 | 6.8 | |
2.5(B) | 140/0.15 | 0.8 | 1.0 | 5.6 | 6.8 | |
4(A) | 56/0.30 | 0.8 | 1.0 | 5.8 | 7.0 | |
4(B) | 228/0.15 | 0.8 | 1.0 | 5.8 | 7.0 | |
6(A) | 84/0.30 | 0.8 | 1.0 | 6.4 | 8.4 | |
6(B) | 189/0.20 | 0.8 | 1.0 | 6.4 | 8.0 | |
10(A) | 80/0.40 | 1.0 | 1.2 | 8.2 | 10.5 | |
10(B) | 324/0.20 | 1.0 | 1.2 | 8.2 | 10.5 | |
16(A) | 126/0.40 | 1.0 | 1.2 | 9.2 | 12.0 | |
16(B) | 513/0.20 | 1.0 | 1.2 | 9.2 | 11.5 | |
25(A) | 196/0.40 | 1.2 | 1.2 | 10.5 | 14.0 | |
25(B) | 783/0.20 | 1.2 | 1.2 | 10.5 | 14.0 | |
35(A) | 276/0.40 | 1.2 | 1.5 | 12.5 | 16.0 | |
35(B) | 1107/0.20 | 1.2 | 1.5 | 12.5 | 16.0 | |
50(A) | 396/0.40 | 1.4 | 1.5 | 14.5 | 18.5 | |
50(B) | 702/0.30 | 1.4 | 1.5 | 14.5 | 18.5 | |
70(A) | 360/0.50 | 1.4 | 1.5 | 16.0 | 20.5 | |
70(B) | 999/0.30 | 1.4 | 1.5 | 16.0 | 20.5 | |
95(A) | 475/0.50 | 1.6 | 1.5 | 18.0 | 22.5 | |
95(B) | 1332/0.30 | 1.6 | 1.5 | 18.0 | 22.5 | |
120(A) | 608/0.50 | 1.6 | 2.0 | 20.5 | 25.5 | |
120(B) | 1702/0.30 | 1.6 | 2.0 | 20.5 | 25.5 | |
150(A) | 756/0.50 | 1.8 | 2.0 | 22.5 | 28.5 | |
150(B) | 2109/0.30 | 1.8 | 2.0 | 22.5 | 28.5 | |
185(A) | 925/0.50 | 2.0 | 2.0 | 24.5 | 30.5 | |
185(B) | 1443/0.40 | 2.0 | 2.0 | 24.5 | 30.5 | |
240(A) | 1221/0.50 | 2.2 | 2.0 | 27.5 | 34.0 | |
240(B) | 1891/0.40 | 2.2 | 2.0 | 27.5 | 34.0 | |
300(A) | 1525/0.50 | 2.4 | 2.0 | 30.0 | 37.5 | |
300(B) | 2379/0.40 | 2.4 | 2.0 | 30.0 | 37.5 | |
DCXF/2 1.5kV | 1.5(A) | 30/0.25 | 1.2 | 1.0 | 5.6 | 6.8 |
1.5(B) | 85/0.15 | 1.2 | 1.0 | 5.6 | 6.8 | |
2.5(A) | 50/0.25 | 1.2 | 1.0 | 6.2 | 7.2 | |
2.5(B) | 140/0.15 | 1.2 | 1.0 | 6.2 | 7.2 | |
4(A) | 56/0.30 | 1.2 | 1.0 | 6.6 | 7.8 | |
4(B) | 228/0.15 | 1.2 | 1.0 | 6.6 | 7.8 | |
6(A) | 84/0.30 | 1.2 | 1.0 | 7.2 | 9.4 | |
6(B) | 189/0.20 | 1.2 | 1.0 | 7.2 | 9.0 | |
10(A) | 80/0.40 | 1.4 | 1.2 | 9.0 | 11.5 | |
10(B) | 324/0.20 | 1.4 | 1.2 | 9.0 | 11.5 | |
16(A) | 126/0.40 | 1.4 | 1.2 | 10.0 | 13.0 | |
16(B) | 513/0.20 | 1.4 | 1.2 | 10.0 | 12.5 | |
25(A) | 196/0.40 | 1.6 | 1.5 | 12.0 | 15.5 | |
25(B) | 783/0.20 | 1.6 | 1.5 | 12.0 | 15.5 | |
35(A) | 276/0.40 | 1.6 | 1.5 | 13.0 | 17.0 | |
35(B) | 1107/0.20 | 1.6 | 1.5 | 13.0 | 17.0 | |
50(A) | 396/0.40 | 1.8 | 1.5 | 15.0 | 19.5 | |
50(B) | 702/0.30 | 1.8 | 1.5 | 15.0 | 19.0 | |
70(A) | 360/0.50 | 1.8 | 1.5 | 16.5 | 21.5 | |
70(B) | 999/0.30 | 1.8 | 1.5 | 17.0 | 21.0 | |
95(A) | 475/0.50 | 2.0 | 2.0 | 19.5 | 24.5 | |
95(B) | 1332/0.30 | 2.0 | 2.0 | 20.0 | 24.5 | |
120(A) | 608/0.50 | 2.0 | 2.0 | 21.5 | 26.5 | |
120(B) | 1702/0.30 | 2.0 | 2.0 | 21.5 | 26.5 | |
150(A) | 756/0.50 | 2.2 | 2.0 | 23.0 | 29.5 | |
150(B) | 2109/0.30 | 2.2 | 2.0 | 23.5 | 29.0 | |
185(A) | 925/0.50 | 2.4 | 2.0 | 25.5 | 31.5 | |
185(B) | 1443/0.40 | 2.4 | 2.0 | 25.5 | 31.5 | |
240(A) | 1221/0.50 | 2.6 | 2.0 | 28.0 | 35.0 | |
240(B) | 1891/0.40 | 2.6 | 2.0 | 28.5 | 35.0 | |
300(A) | 1525/0.50 | 2.8 | 2.0 | 31.0 | 38.5 | |
300(B) | 2379/0.40 | 2.8 | 2.0 | 31.0 | 38.0 | |
DCH/3 750V DCH/3-100 750V | 0.5(A) | 16/0.20 | 1.0 | 3.4 | ||
0.5(B) | 28/0.15 | 1.0 | 3.4 | |||
0.75(A) | 24/0.20 | 1.0 | 3.8 | |||
0.75(B) | 42/0.15 | 1.0 | 3.8 | |||
1.0(A) | 32/0.20 | 1.2 | 4.4 | |||
1.0(B) | 56/0.15 | 1.2 | 4.4 | |||
1.5(A) | 30/0.25 | 1.2 | 4.7 | |||
1.5(B) | 85/0.15 | 1.2 | 4.7 | |||
2.5(A) | 50/0.25 | 1.2 | 5.2 | |||
2.5(B) | 140/0.15 | 1.2 | 5.2 | |||
4(A) | 56/0.30 | 1.2 | 6.0 | |||
4(B) | 228/0.15 | 1.2 | 6.0 | |||
6(A) | 84/0.30 | 1.2 | 7.4 | |||
6(B) | 189/0.20 | 1.2 | 7.4 | |||
10(A) | 80/0.40 | 1.4 | 9.0 | |||
10(B) | 324/0.20 | 1.4 | 9.0 | |||
16(A) | 126/0.40 | 1.4 | 10.5 | |||
16(B) | 513/0.20 | 1.4 | 10.0 | |||
25(A) | 196/0.40 | 1.6 | 12.5 | |||
25(B) | 783/0.20 | 1.6 | 12.5 | |||
35(A) | 276/0.40 | 1.6 | 14.0 | |||
35(B) | 1107/0.20 | 1.6 | 14.0 | |||
50(A) | 396/0.40 | 1.8 | 16.5 | |||
50(B) | 702/0.30 | 1.8 | 16.0 | |||
70(A) | 360/0.50 | 1.8 | 18.5 | |||
70(B) | 999/0.30 | 1.8 | 18.0 | |||
95(A) | 475/0.50 | 2.0 | 20.5 | |||
95(B) | 1332/0.30 | 2.0 | 20.5 | |||
120(A) | 608/0.50 | 2.0 | 22.5 | |||
120(B) | 1702/0.30 | 2.0 | 22.5 | |||
150(A) | 756/0.50 | 2.2 | 25.5 | |||
150(B) | 2109/0.30 | 2.2 | 25.0 | |||
185(A) | 925/0.50 | 2.4 | 27.5 | |||
185(B) | 1443/0.40 | 2.4 | 27.5 | |||
240(A) | 1221/0.50 | 2.6 | 31.0 | |||
240(B) | 1891/0.40 | 2.6 | 31.0 | |||
300(A) | 1525/0.50 | 2.8 | 34.0 | |||
300(B) | 2379/0.40 | 2.8 | 34.0 | |||
DCEH/3 750V DCEH/3-100 750V | 0.5(A) | 16/0.20 | 0.6 | 0.6 | 3.2 | 4.4 |
0.5(B) | 28/0.15 | 0.6 | 0.6 | 3.2 | 4.4 | |
0.75(A) | 24/0.20 | 0.6 | 0.6 | 3.4 | 4.7 | |
0.75(B) | 42/0.15 | 0.6 | 0.6 | 3.4 | 4.7 | |
1.0(A) | 32/0.20 | 0.6 | 0.6 | 3.5 | 4.9 | |
1.0(B) | 56/0.15 | 0.6 | 0.6 | 3.5 | 4.9 | |
1.5(A) | 30/0.25 | 0.6 | 0.6 | 3.7 | 5.4 | |
1.5(B) | 85/0.15 | 0.6 | 0.6 | 3.8 | 5.4 | |
2.5(A) | 50/0.25 | 0.7 | 0.6 | 4.4 | 6.2 | |
2.5(B) | 140/0.15 | 0.7 | 0.6 | 4.4 | 6.2 | |
4(A) | 56/0.30 | 0.7 | 0.6 | 5.0 | 6.8 | |
4(B) | 228/0.15 | 0.7 | 0.6 | 5.0 | 6.8 | |
6(A) | 84/0.30 | 0.7 | 0.6 | 5.4 | 7.8 | |
6(B) | 189/0.20 | 0.7 | 0.6 | 5.4 | 7.8 | |
10(A) | 80/0.40 | 0.8 | 0.8 | 7.0 | 9.0 | |
10(B) | 324/0.20 | 0.8 | 0.8 | 7.0 | 9.0 | |
16(A) | 126/0.40 | 0.8 | 0.8 | 8.0 | 10.5 | |
16(B) | 513/0.20 | 0.8 | 0.8 | 8.0 | 10.5 | |
25(A) | 196/0.40 | 1.0 | 1.0 | 10.0 | 13.0 | |
25(B) | 783/0.20 | 1.0 | 1.0 | 10.0 | 13.0 | |
35(A) | 276/0.40 | 1.0 | 1.0 | 11.0 | 14.5 | |
35(B) | 1107/0.20 | 1.0 | 1.0 | 11.0 | 14.5 | |
50(A) | 396/0.40 | 1.2 | 1.2 | 13.5 | 17.0 | |
50(B) | 702/0.30 | 1.2 | 1.2 | 13.5 | 17.0 | |
70(A) | 360/0.50 | 1.2 | 1.2 | 15.0 | 19.5 | |
70(B) | 999/0.30 | 1.2 | 1.2 | 15.0 | 19.5 | |
95(A) | 475/0.50 | 1.4 | 1.4 | 17.5 | 21.5 | |
95(B) | 1332/0.30 | 1.4 | 1.4 | 17.5 | 21.5 | |
120(A) | 608/0.50 | 1.4 | 1.4 | , 19.0 | 23.5 | |
120(B) | 1702/0.30 | 1.4 | 1.4 | 19.0 | 23.5 | |
150(A) | 756/0.50 | 1.8 | 1.8 | 22.0 | 28.0 | |
150(B) | 2109/0.30 | 1.8 | 1.8 | 22.5 | 28.0 | |
185(A) | 925/0.50 | 1.8 | 1.8 | 23.5 | 29.5 | |
185(B) | 1443/0.40 | 1.8 | 1.8 | 23.5 | 29.5 | |
240(A) | 1221/0.50 | 2.2 | 2.2 | 28.0 | 34.0 | |
240(B) | 1891/0.40 | 2.2 | 2.2 | 28.0 | 34.0 | |
300(A) | 1525/0.50 | 2.2 | 2.2 | 30.0 | 37.0 | |
300(B) | 2379/0.40 | 2.2 | 2.2 | 30.0 | 37.0 | |
DCEH/3 1.5kV DCEH/3-100 1.5kV | 1.0(A) | 32/0.20 | 0.8 | 0.8 | 4.3 | 6.0 |
1.0(B) | 56/0.15 | 0.8 | 0.8 | 4.3 | 6.0 | |
1.5(A) | 30/0.25 | 0.8 | 0.8 | 4.5 | 6.6 | |
1.5(B) | 85/0.15 | 0.8 | 0.8 | 4.6 | 6.6 | |
2.5(A) | 50/0.25 | 0.9 | 0.9 | 5.0 | 7.6 | |
2.5(B) | 140/0.15 | 0.9 | 0.9 | 5.2 | 7.6 | |
4(A) | 56/0.30 | 0.9 | 0.9 | 5.8 | 8.2 | |
4(B) | 228/0.15 | 0.9 | 0.9 | 5.8 | 8.2 | |
6(A) | 84/0.30 | 0.9 | 0.9 | 6.4 | 9.0 | |
6(B) | 189/0.20 | 0.9 | 0.9 | 6.4 | 8.8 | |
10(A) | 80/0.40 | 1.0 | 1.0 | 8.0 | 9.8 | |
10(B) | 324/0.20 | 1.0 | 1.0 | 7.8 | 9.8 | |
16(A) | 126/0.40 | 1.0 | 1.0 | 8.8 | 11.5 | |
16(B) | 513/0.20 | 1.0 | 1.0 | 8.8 | 11.0 | |
25(A) | 196/0.40 | 1.2 | 1.2 | 10.5 | 13.5 | |
25(B) | 783/0.20 | 1.2 | 1.2 | 10.5 | 13.5 | |
35(A) | 276/0.40 | 1.2 | 1.2 | 12.0 | 15.0 | |
35(B) | 1107/0.20 | 1.2 | 1.2 | 12.0 | 15.0 | |
50(A) | 396/0.40 | 1.4 | 1.4 | 14.0 | 18.0 | |
50(B) | 702/0.30 | 1.4 | 1.4 | 14.0 | 18.0 | |
70(A) | 360/0.50 | 1.4 | 1.4 | 16.0 | 20.5 | |
70(B) | 999/0.30 | 1.4 | 1.4 | 16.0 | 19.5 | |
95(A) | 475/0.50 | 1.6 | 1.6 | 18.0 | 22.5 | |
95(B) | 1332/0.30 | 1.6 | 1.6 | 18.5 | 22.5 | |
120(A) | 608/0.50 | 1.6 | 1.6 | 19.5 | 24.5 | |
120(B) | 1702/0.30 | 1.6 | 1.6 | 20.0 | 24.5 | |
150(A) | 756/0.50 | 2.0 | 1.8 | 22.5 | 29.0 | |
150(B) | 2109/0.30 | 2.0 | 1.8 | 22.5 | 28.0 | |
185(A) | 925/0.50 | 2.0 | 1.8 | 24.0 | 30.0 | |
185(B) | 1443/0.40 | 2.0 | 1.8 | 24.0 | 30.0 | |
240(A) | 1221/0.50 | 2.4 | 2.4 | 28.5 | 35.0 | |
240(B) | 1891/0.40 | 2.4 | 2.4 | 28.5 | 35.0 | |
300(A) | 1525/0.50 | 2.4 | 2.4 | 31.0 | 38.0 | |
300(B) | 2379/0.40 | 2.4 | 2.4 | 31.0 | 38.0 | |
DCEH/3 3kV DCEH/3-100 3kV | 2.5(A) | 50/0.25 | 1.4 | 1.2 | 7.0 | 8.6 |
2.5(B) | 140/0.15 | 1.4 | 1.2 | 7.0 | 8.6 | |
4(A) | 56/0.30 | 1.4 | 1.2 | 7.4 | 9.2 | |
4(B) | 228/0.15 | 1.4 | 1.2 | 7.4 | 9.2 | |
6(A) | 84/0.30 | 1.4 | 1.2 | 8.0 | 10.5 | |
6(B) | 189/0.20 | 1.4 | 1.2 | 8.0 | 10.0 | |
10(A) | 80/0.40 | 1.6 | 1.2 | 9.4 | 11.5 | |
10(B) | 324/0.20 | 1.6 | 1.2 | 9.4 | 11.5 | |
16(A) | 126/0.40 | 1.6 | 1.2 | 10.0 | 13.0 | |
16(B) | 513/0.20 | 1.6 | 1.2 | 10.0 | 12.5 | |
25(A) | 196/0.40 | 1.8 | 1.4 | 12.0 | 15.5 | |
25(B) | 783/0.20 | 1.8 | 1.4 | 12.0 | 15.5 | |
35(A) | 276/0.40 | 1.8 | 1.4 | 13.5 | 17.0 | |
35(B) | 1107/0.20 | 1.8 | 1.4 | 13.5 | 17.0 | |
50(A) | 396/0.40 | 2.0 | 1.8 | 16.0 | 20.0 | |
50(B) | 702/0.30 | 2.0 | 1.8 | 16.0 | 20.0 | |
70(A) | 360/0.50 | 2.0 | 1.8 | 17.5 | 22.5 | |
70(B) | 999/0.30 | 2.0 | 1.8 | 18.0 | 22.0 | |
95(A) | 475/0.50 | 2.2 | 2.0 | 20.0 | 24.5 | |
95(B) | 1332/0.30 | 2.2 | 2.0 | 20.0 | 24.5 | |
120(A) | 608/0.50 | 2.2 | 2.0 | 21.5 | 26.5 | |
120(B) | 1702/0.30 | 2.2 | 2.0 | 22.0 | 26.5 | |
150(A) | 756/0.50 | 2.6 | 2.2 | 24.5 | 30.5 | |
150(B) | 2109/0.30 | 2.6 | 2.2 | 24.5 | 30.5 | |
185(A) | 925/0.50 | 2.6 | 2.2 | 26.0 | 32.0 | |
185(B) | 1443/0.40 | 2.6 | 2.2 | 26.0 | 32.0 | |
240(A) | 1221/0.50 | 3.0 | 2.8 | 30.5 | 37.0 | |
240(B) | 1891/0.40 | 3.0 | 2.8 | 30.5 | 37.0 | |
300(A) | 1525/0.50 | 3.0 | 2.8 | 33.0 | 40.0 | |
300(B) | 2379/0.40 | 3.0 | 2.8 | 32.5 | 40.0 |
八、电缆交货长度
1、成品电缆应成盘或成圈交货,卷绕整齐,妥善包装。长度误差应不超过±0.5%。
2、根据双方协议,允许任何长度的电缆交货。