1946伟德国际始于英国伟德1946

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220kV 高压(光电复合)电力bv1946韦德娱乐
标准:IEC 62067、GB/Z 18890-2002,另可按用户技术要求制造。Specification:Standard IEC 62067、GB/Z 18890-2002,can be manufactured according to customer's technicalrequirement.  使用特性:ApplicationPerformance1、额定电压Rated voltage U0/U:127/220kV, Max. voltage最高电压Um=252kV2、导体长期最高工作温度Max. long-term operatingtemperature of conductor 90℃3、短路时(最长持续时间不超过5S),bv1946韦德娱乐导体最高温度不超过250℃Max. short-circuit temperature of conductorshall not exceed 250℃(5s Max.duration)4、bv1946韦德娱乐敷设环境温度不低于0℃,最小弯曲半径≥18D(D为bv1946韦德娱乐外径)The ambienttemperature under installation should not below 0℃, the min.bending radius ≥18D.(D means diameter)  伟德1946性能: ProductPerformance1. 成盘bv1946韦德娱乐施加1.5U0电压时,无可检测出放电;施加2.5U0电压历时30min,bv1946韦德娱乐不击穿。When the cable imposed 1.5U0voltage, it cannot be detected discharge; when 2.5U0 voltage imposed during30min, cable cannot be breakdown.2. 绝缘偏芯度不大于5%,Insulated cores not more than 5%即Tmax-Tmin/Tmax×100%≤5%3. 800mm2及以上的导体采用分割导体结构。800mm2 orabove adopt segmentation structure.4. 绝缘中无大于30Um的微孔及无大于125Um的不透明杂质和无大于160Um的半透明深棕色杂质。No 30Um micro-hole on the insulation and no larger than 125Um opaquetranslucent dark and brown impurities no greater than 160Um.5. 半导电层突起不大于80Um,半导电层与绝缘界面无大于50Um微孔。Semi conducting layer jut is not more than80Um, no 50Um micro-hole on the semi conducting layer and insulation interface. 型号及名称Typeand Description
型号Type 名称
Description
铜芯 Copper 铝芯 Aluminum
YJLW02 YJLLW02 交联聚乙烯绝缘皱纹铝护套聚氯乙烯护套电力bv1946韦德娱乐XLPE insulated corrugated aluminum armored PVC Power Cable
YJLW03 YJLLW03 交联聚乙烯绝缘皱纹铝护套聚乙烯护套电力bv1946韦德娱乐
XLPE insulated corrugated aluminum armored PE Power Cable
YJLW02-Z YJLLW02-Z 交联聚乙烯绝缘皱纹铝护套聚氯乙烯护套纵向阻水电力bv1946韦德娱乐Longitudinal water blocking XLPE insulated corrugated aluminum armored PVC Power Cable
YJLW03-Z YJLLW03-Z 交联聚乙烯绝缘皱纹铝护套聚乙烯护套纵向阻水电力bv1946韦德娱乐Longitudinal water blocking XLPE insulated corrugated aluminum armored PE Power Cable
 YJLW02(03)/YJLW02(03)-Z 
额定电压kV 标称截面
mm2
bv1946韦德娱乐外径
(近似值)
mm
bv1946韦德娱乐重量(近似值)
kg/km
bv1946韦德娱乐载流量(单端接地或交叉互联)
直埋土壤中 空气中
YJLW02-Z YJLW03-Z平行敷设 品字形敷设 平行敷设 品字形敷设
220 400 121 13920 13030 682 610 862 870
500 124 15520 14610 774 695 1002 1011
630 127 17160 16230 875 782 1159 1172
800 129 19320 18370 1003 910 1372 1395
1000 132 21620 20650 1110 1016 1560 1589
1200 136 23760 22760 1181 1090 1694 1742
1400 140 26270 25240 1252 1162 1845 1907
1600 143 28370 27310 1310 1222 1958 2038
1800 147 30810 29720 1355 1276 2066 2158
2000 149 33040 31940 1392 1322 2164 2271
2500 157 38440 37270 1450 1405 2356 2514
 1、导体工作温度为90℃,环境温度20℃Conductor working temperature 90, ambient temperature 20    2、埋地敷设时深度为Installation buried depth1m,环境热阻系数为Environmentalthermal resistance coefficient 1.2K·m/W     3、bv1946韦德娱乐轴间距为The distance between cable drum is 250mm.