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高压电力电缆

执行标准

GB/T12706.1~12706.3—2008额定电压1KV(Vm=1.2KV)到35KV(Vm=40.5KV)挤包绝缘电力电缆。


产品应用

本产品适用于固定敷设在交流50HZ、额定电压3.6/6KV—26/35KV的电力输配电线路上作输送电能用。

Product Details

使用特性

1)电缆导体的最高额定温度为90℃。

2)短路时(最长持续时间不超过5s)电缆导体的最高温度不超过250℃。

3)敷设电缆时的环境温度应不低于0℃,电缆安装时的最小弯曲半径。


项目单芯电缆三芯电缆
无铠装有铠装无铠装有铠装
安装时的电缆最小弯曲半径20D15D15D12D
靠近连接盒和终端的电缆最小弯曲半径(但弯曲要小心控制,如采用成型导板)15D12D12D10D
注:D为电缆外径


产品性能

1)电缆主要技术性能指标参数见表1。

2)导体直流电阻见附录A。

3)电力电缆电容、电感、电抗见附录D。


表1 电缆技术性能指标参数

额定电压KV3.6/66/6 6/108.7/10 8.7/1526/35
局部放电试验1.73U0下,试验灵敏度下无可视放电
工频5min耐压试验12.52130.591


产品命名

1)电缆型号用字母及数字含义

T .............................................................. 铜导体(省略)

L ............................................................... 铝导体

YJ .............................................................. 交联聚乙烯

V ............................................................... 聚氯乙烯

Y ............................................................... 聚乙烯

铠装代号

2 ............................................................... 双钢带铠装

3 ............................................................... 细圆钢丝铠装

4 ............................................................... 粗圆钢丝铠装

6 ............................................................... (双)非磁性金属带铠装

7 ............................................................... 非磁性金属丝铠装

外护套代号

2 ............................................................... 聚氯乙烯外护套

3 ............................................................... 聚乙烯外护套

4 ............................................................... 弹性体外护套

2)电缆型号用字母及数字含义

产品用型号、规格和标准标号表示

示例:钢芯交联聚乙烯绝缘钢带铠装聚氯乙烯护套电力电缆,额定电压8.7/15KV,3芯标称截面240mm²,表示为:YJV22—8.7/15 3X240 GB/T12706.2-2008。


产品型号(见表2)

表2 产品型号

型号产品名称使用范围环境
铜芯铝芯
YJVYJLV交联聚乙烯绝缘聚氯乙烯护套电力电缆室内、隧道、管道、电缆沟等室内、隧道、管道、电缆沟、地下直埋,可承受机械压力
YJYYJLY交联聚乙烯绝缘聚烯烃护套电力电缆
YJV22YJLV22交联聚乙烯绝缘聚钢带铠装氯乙烯护套电力电缆
YJV23YJLV23交联聚乙烯绝缘钢带铠装聚乙烯护套电力电缆
YJV32YJLV32交联聚乙烯绝缘细钢丝铠装聚氯乙烯护套电力电缆有落差或垂直敷设,可承受机械拉力
YJV33YJLV33交联聚乙烯绝缘细钢丝铠装聚乙烯护套电力电缆
YJV42YJLV42交联聚乙烯绝缘粗钢丝铠装聚氯乙烯护套电力电缆
YJV43YJLV43交联聚乙烯绝缘粗钢丝铠装聚乙烯护套电力电缆


绝缘标称厚度(见表3)

表3 交联聚乙烯(XLPE)绝缘标称厚度

导体标称截面(mm²)额定电压U0/U(Um)下的绝缘厚度(mm)
3.6/6(7.2)KV3.6/6(7.2)6/10(12)KV8.7/10(12)KV8.7/15(17.8)KV12/20(24)KV18/30(36)KV21/35(40.5)KV26/35(40.5)KV

10

16

25

35

50-185

240

300

400

500-1000

2.5

2.5

2.5

2.5

2.5

2.6

2.8

3.0

3.2

3.4

3.4

3.4

3.4

3.4

3.4

3.4

3.4

4.5

4.5

4.5

4.5

4.5

4.5

4.5

4.5

5.5

5.5

5.5

5.5

5.5

5.5

8.0

8.0

8.0

8.0

8.0

9.3

9.3

9.3

9.3

9.3

10.5

10.5

10.5

10.5

10.5


产品规格(见表4)

表4 产品规格

型号芯数额定电压(KV)
3.6/6,6/66/10,8.7/108.7/15-12/2018/20-26/35
标称截面(mm²)

YJV

YJY

YJV32

YJV33

YJV42

YJV43

YJLV

YJLY

YJLV32

YJLV33

YJLV42

YJLV43

1

25-120

025-1200

25-1200

25-1200

25-1200

25-1200

25-1200

25-1200

25-1200

25-1200

25-1200

25-1200

35-1200

35-1200

35-1200

35-1200

35-1200

35-1200

50-1200

50-1200

50-1200

50-1200

50-1200

50-1200

YJV

YJY

YJV22

YJV23

YJV32

YJV33

YJV42

YJV43

YJLV

YJLY

YJLV22

YJLV23

YJLV32

YJLV33

YJLV42

YJLV43

3

25-40

025-400

25-400

25-400

25-400

25-400

25-400

25-400

25-400

25-400

25-400

25-400

25-400

25-400

25-400

25-400

35-400

35-400

35-400

35-400

35-400

35-400

35-400

35-400

50-400

50-400

50-400

50-400

50-400

50-400

50-400

50-400


规格尺寸及重量(规格尺寸及重量见表5~12)

表5 3.6/6KV交联聚乙烯绝缘电力电缆

标称截面(mm²)YJV   YJLVYJV22 YJLV22
3.6/6KV
单芯三芯三芯
计算外径mm计算重量(KG/KM)计算外径mm计算重量(KG/KM)计算外径mm计算重量(KG/KM)
铜芯铝芯铜芯铝芯铜芯铝芯
2518.857642136.61745127742.827692301
3519.869247539.02125146945.232102554
5021.186055142.02671173548.238332897
7022.8108465145.83395208552.046563345
9524.4135076149.54252247455.956323854
12025.8161086752.75093284759.165574311
15027.4191999156.56119331162.776534845
18529.22286114160.27265390266.488955432
24031.82860137465.89092459972.0108656372
30034.73496163971.811123550779.0132307615
40040.046132137
50044.057002605
63047.669943094


表6 3.6/6KV交联聚乙烯绝缘细/粗钢丝铠装电力电缆

标称截面mm²YJV32 YJLV32YJV42  YJLV42
3.6/6KV
单芯三芯单芯三芯
计算外径mm计算重量(KG/KM)计算外径mm计算重量(KG/KM)计算外径mm计算重量(KG/KM)计算外径mm计算重量(KG/KM)
铜芯铝芯铜芯铝芯铜芯铝芯铜芯铝芯
2526.21565141046.04003353530.42599244449.252894821
3527.21727151049.95080442531.42799258251.657895143
5028.51955164552.95849491332.93092278254.666855749
7030.42269183656.76805549534.63460302758.676816371
9532.02609202160.47956617736.43878329062.388877109
12033.62948220563.68958671137.84258351565.599697723
15036.43670274167.210252744539.64721379369.1113208512
18538.04115297071.111657819441.25214406872.8127119248
24040.64828334276.713862937043.85998451278.41501010518
30043.55616375983.7165031088746.76865500885.41778312168
40050.07611513551.784005924
50054.38986589156.098436748
63056.110298639960.0114337533


表7 6/6~6/10KV交联聚乙烯绝缘(钢带铠装)电力电缆


标称截面(mm²)
YJV   YJLVYJV22 YJLV22
6/6KV  6/10KV
单芯三芯三芯
计算外径mm计算重量(KG/KM)计算外径mm计算重量(KG/KM)计算外径mm计算重量(KG/KM)
铜芯铝芯铜芯铝芯铜芯铝芯
2520.164649141.12047154947.331552687
3521.776554843.32392173749.736102955
5023.093762846.32956202052.742523316
7024.7116673250.43725241456.651023791
9526.3143584754.04603282460.260734295
12027.7169995757.25463321763.470164770
15029.52026109860.96489368167.181375329
18531.12386124164.57654419170.793955932
24033.52956147069.79471497976.9115217028
30035.93572171574.611404578882.0136268011
40040.54671219581.914593710689.5170349547
50044.457322637
63048.070293129


表8 6/6~6/10KV交联聚乙烯绝缘细/粗钢线铠装电力电缆

标称截面mm²YJV32 YJLV32YJV42  YJLV42
6/6KV   6/10KV
单芯三芯单芯三芯
计算外径mm计算重量(KG/KM)计算外径mm计算重量(KG/KM)计算外径mm计算重量(KG/KM)计算外径mm计算重量(KG/KM)
铜芯铝芯铜芯铝芯铜芯铝芯铜芯铝芯
2528.11723156851.85101463332.32832267753.759205452
3529.11888267154.25648499233.53049283356.164445789
5030.62133182357.26343549834.83332302359.173496413
7032.32440200661.17413610336.73721328863.083457035
9534.12798221064.98611683238.34128354066.695707792
12036.73468272568.19632738639.94529378669.8106718425
15038.33873294571.810952814441.54981405273.5120449237
18540.14340319575.412346888343.35496435177.31348610023
24042.55039355381.6146961020445.76260477583.51603611544
30044.75765390847.97051519488.41834012725
40050.87728525252.585316055
50054.79049595456.499136818
63058.310585668560.2115317631


表9 8.7/10~8.7/15KV交联聚乙烯绝缘(钢带铠装)电力电缆

标称截面(mm²)YJV   YJLVYJV22 YJLV22
8.7/10KV  8.7/15KV
单芯三芯三芯
计算外径mm计算重量(KG/KM)计算外径mm计算重量(KG/KM)计算外径mm计算重量(KG/KM)
铜芯铝芯铜芯铝芯铜芯铝芯
2523.174058546.42361189352.836603192
3524.186264648.82772211655.041093454
5025.4103972951.83357242158.047713835
7027.1127384055.64131282162.056714360
9528.9156197359.35036325765.766724894
12030.31830108762.55919367268.976395393
15032.12165123666.46998419072.687875979
18533.72530138570.08189472677.2102476784
24036.13110162475.110043555182.3130458553
30038.53736187980.112013637987.5152449629
40043.14853237787.615294780796.41881711329
50047.059302835
63050.672403341


表10 8.7/10~8.7/15KV交联聚乙烯绝缘细/粗钢丝铠装电力电缆

标称截面mm²YJV32 YJLV32YJV42  YJLV42
8.7/10KV   8.7/15KV
单芯三芯单芯三芯
计算外径mm计算重量(KG/KM)计算外径mm计算重量(KG/KM)计算外径mm计算重量(KG/KM)计算外径mm计算重量(KG/KM)
铜芯铝芯铜芯铝芯铜芯铝芯铜芯铝芯
2530.71939178457.35840537234.93140298659.267556287
3531.72107189059.76404574935.93348313161.672966941
5033.22358204862.77213627737.43651334164.681227186
7034.92671223866.58218690839.34048361468.492477936
9537.73372278470.29352757440.94461387372.1105008722
12039.33737299473.410460421442.54868412575.3116249378
15040.94148322077.311838903044.15326439879.01302410216
18542.74622347781.9134821001945.95849470483.81475811295
24044.95311382548.16602511688.71695112459
30048.86652489550.57421556493.91943613820
40053.48078560255.189206444
50057.39414631959.0103177222
63060.910964706562.6119248024


表11 26/35KV单芯交联聚乙烯绝缘电力电缆

芯数及标称截面(mm)YJV YJLV芯数及标称截面(mm)YJV YJLV
26/35KV26/35KV
计算外径(mm)计算重量(kg/km)计算外径(mm)计算重量(kg/km)
铜芯铝芯铜芯铝芯
1X5041.2196716571X24051.643042810
1X7042.9224318091X30054.349913134
1X9544.7257619881X40057.760953618
1X12046.1288021371X50064.074114316
1X15047.9326023311X63067.687934894
1X18549.736862541




表12 26/35KV三芯交联聚乙烯绝缘电力电缆


芯数及标称截面(mm²)
YJV  YJLVYJV22  YJLV22
26/35KV
计算外径(mm)计算重量(kg/km)计算外径(mm)计算重量(kg/km)
铜芯铝芯铜芯铝芯
3X5087.96819588390.9102719335
3X7091.87773646394.91148010169
3X9595.29010723298.81275210974
3X12098.9100037757102.01393211686
3X150102.1113378529105.81535812550
3X185107.3133149851110.31692713464
3X240111.51467510183114.81925214760
3X300115.01693511319120.22178616170
3X400116.02017712690


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