第8章额定电压0.6-1kV聚氯乙烯绝缘电力电缆

1、8、额定电压0.6/1kV聚氯乙烯绝缘电力电缆8.1 产品执行标准GB/T 12706.1-2008 额定电压1 kV(Um=1.2 kV)到35 kV(Um=40.5 kV)挤包绝缘电力电缆及附件IEC 60502-1:2004 额定电压1 kV(Um=1.2 kV)到30 kV(Um=36 kV)挤包绝缘电力电缆及附件GB/T 3956-2008 电缆的导体GB/T19666-2005 阻燃耐火电线电缆通则8.2 使用特性1、 导体额定工作温度电缆导体的最高额定工作温度为70。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160。2、 敷设环境温度电缆敷设时的环境温度应不低于0，

2、否则需要事先预热。3、 安装弯曲半径 安装时电缆最小弯曲半径见表2。表2 电缆安装时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的最小弯曲半径15D12D12D10D注：D为电缆外径（mm）4.电缆的工频额定电压U0/U为0.6/1VU0:电缆设计用的导体对地或金属屏蔽之间的额定工频电压，称相电压；U：电缆设计用的导体间的额定工频电压，称线电压；Um：设备可承受的“最高系统电压”的最大值；8.3 电缆型号名称及适用场合型号 Type产 品 名 称适用范围及环境铜 芯铝 芯VVVLV聚氯乙烯绝缘聚氯乙烯护套电力电

3、缆室内、隧道及电缆沟等场所，不能承受机械外力。单芯电缆不允许敷设在磁性管道中。VYVLY聚氯乙烯绝缘聚乙烯护套电力电缆VV22VV62VLV22 VLV62聚氯乙烯绝缘双钢带铠装聚氯乙烯护套电力电缆室内、隧道、电缆沟内，或埋地敷设等，能承受一定机械外力，但不能承受大的拉力。VV23VLV23聚氯乙烯绝缘双钢带铠装聚乙烯护套电力电缆VV32VLV32交联聚乙烯绝缘细圆钢丝铠装聚氯乙烯护套电力电缆室内、隧道、电缆沟、竖井或埋地敷设等，能承受机械外力和一定的拉力VV33VV73VLV32 VLV72聚氯乙烯绝缘细圆钢丝铠装聚乙烯护套电力电缆VV42VLV42聚氯乙烯绝缘粗钢丝铠装聚氯乙烯护套电力电缆

4、VV43VLV43聚氯乙烯绝缘粗钢丝铠装聚乙烯护套电力电缆8.4 生产范围 型 号芯数标称截面 (2)VV,VY-VV22,VV23-VLV,VLYVLV22,VLV2311.5-8002.5-80010-800VV,VY-VV22 VV23-VLV,VLYVLV22 VLV2321.5-6302.5-6304-630VV,VY-VV22 VV23VV32 VV33VV42 VV43VLV,VLY-VLV22 VLV23VLV32 VLV33VLV42 VLV4331.5-6302.5-6304.0-63016-63016-630VV,VYVV22 VV23VLV,VLYVLV22 VLV23

5、44-6304-630VV,VYVV22 VV23VLV,VLYVLV22 VLV233+14-4004-400VV,VYVV22 VV23VLV,VLYVLV22 VLV233+2、4+110-40010-400 以上所有的型号和产品规格中，阻燃电缆型号前加ZA、ZB、ZC、ZD，耐火电缆电缆型号前加NH。8.5产品结构1、导体 导体应是符合GB/3956 的第一种或第2种裸退火铜导体或镀金属层退火铜导体，或这两种之一的裸铝导体或铝合金导体；或者第5种裸铜导体或镀金属层退火铜导体。2、耐火层 耐火电缆导体外双层绕包耐火云母带，云母带绕包必须平整、紧密，不允许有折皱、漏包等缺陷。3、绝缘绝缘采

6、用聚氯乙烯，绝缘应紧密挤包在导体上，且应容易剥离而不损伤绝缘体、导体或镀层。4、隔离套（有铠装电缆）采用聚氯乙烯（PVC）或聚乙烯（PE）挤包或（PVC）或聚乙烯（PE）带绕包在缆芯上。5、铠装 多芯电缆采用镀锌钢带或镀锌钢丝，用于交流回路的单芯电缆采用非磁性金属带或金属丝。金属带采用双层间隙绕包，金属丝采用多根同心绞合。 注：大量事实证明，采用某种特殊结构铠装（如添加铜丝的隔磁结构）的单芯电缆用于交流回路时均出现电缆发热导致载流量大为下降的现象，所以不推荐采用。6、外护套采用ST2型聚氯乙烯护套料或ST7型聚乙烯（PE）护套料挤包在铠装、绝缘或缆芯上。7、成品电缆的标志成品电缆的外护套表面印

7、有厂名、型号、额定电压、芯数、标称截面和米数的连续标志8.6产品结构示意图 普通电缆及阻燃和低烟无卤电缆产品结构示意图上图电缆型号：VV、VLV、VY、VLY1导体 2包带 2绝缘 4护套 上图电缆型号：VV22、VLV22、VV23、VLV23、YJV32、VLV32 VV33、VLV33 1导体 2绝缘 3包带 4内衬层 5铠装 6护套耐火电缆产品结构示意图上图电缆型号：NHVV、NHVY1导体 2耐火云母带 3绝缘 4包带 5护套 上图电缆型号：NHVV23、NHVV221导体 2耐火云母带 3绝缘 4包带 5内衬层 6铠装 7护套8.7 产品主要技术性能 电缆主要技术性能参数见下表。电

8、缆通用技术性能参数序号项目单位指标1导体直流电阻/km见导体电阻表2绝缘电阻常数（20，最小）M.km36.73交流电压试验A.C.试验电压试验时间试验结果kVmin3.55绝缘不发生击穿4四小时高电压试验试验电压试验时间实验结果kVh2.44试样应不击穿成束阻燃性能要求代号试样非金属材料体积/（L/m）供火时间/s合格指标试验方法ZAZBZCZD73.51.50.5404020201) 试样上炭化的长度不应超过距喷嘴底边上2.5m;2) 停止供火后试样上的有焰燃烧时间不应超过1hGB/T 18380.3IEC 60332-3-25ZD适用于试样外径不大于12mm的电线电缆.耐火特性耐火类别火

9、焰温度 供火时间(min)电缆在额定电缆下A类950-1000903A熔丝不熔断B类750-1000903A熔丝不熔断导体电阻导体标称截面/mm220导体直流电阻/km导体交流电阻/km铜导体铝导体铜导体铝导体101.833.082.3333.964161.151.911.4662.458250.7271.200.9271.54350.5240.8680.6681.11500.3870.6410.4930.822700.2680.4430.3420.568950.1930.3200.3470.4111200.1530.2530.1960.3251500.1240.2060.1590.26518

10、50.09910.1640.1280.2112400.07540.1250.09850.1623000.06010.1000.07970.1304000.04700.07780.06400.1025000.03660.06050.05040.07996300.02830.04690.04060.06348000.02210.03670.03360.0509无铠装电缆载流量适用电缆型号：VV、VLV、VY、VLY导体最高允许工作温度：70环境温度：25土壤热阻系数：120cm/W导体截面/mm2空气中敷设长期连续负荷允许载流量（A） 直埋敷设长期连续负荷允许载流量（A）铜芯铝芯铜芯铝芯一芯二芯三

11、芯四芯一芯二芯三芯四芯一芯二芯三芯四芯一芯二芯三芯四芯1.523191615312420222.532262219242016154232272932242023441352929312622225641353543322727654443838413429297052444454403434107260525155464040946959587253464516977969687461535312491777695705958251221079392102837271163118101100125917877351621241131151249587891961391241231511079

12、595502041551401441571201081112411711501521851321161177025319617517819515113513629220818418322516014114095272238214218214182165168348257218218267191168167120356273247252276211191195392282247248305218190192150410315293297316242225228447322283286343248218220185465320332341358251257263500395318321385310

13、247248240552-396-425-306-582-368-447-284-300636-490-660-500-400757-589-773-593-500886-680-876-670-6301025-787-1000-767-8001338-934-1153-885-铠装电缆载流量适用电缆型号：VV22、VLV22、VV23、VLV23、VV32、VLV32、VV33、VLV33导体最高允许工作温度：70环境温度：25土壤热阻系数：120cm/W导体截面/mm2空气中敷设长期连续负荷允许载流量（A） 直埋敷设长期连续负荷允许载流量（A）铜芯铝芯铜芯铝芯二芯三芯四芯二芯三芯四芯二芯三

14、芯四芯二芯三芯四芯436313027232341353432272664539393530305245444034341060525246404067595852464516817170625454907877706059251069694817373118103100917977351281141199988921401231261089497501601441491231111151711511541321161187019717918415213814120719218516014214295240217226185167174248216221191166171120278252260

15、215194201284247252219190194150319292301246225231320282284246216218185326333345251257266395315319310242246240-392-305-364-295-不同土壤温度下载流量的修正系数土壤温度 20 25 30 35 40 修正系数 1.041.00.960.920.878.8 结构尺寸 0.6/1kV聚氯乙烯绝缘电力电缆绝缘厚度见下表：导体标称截面mm21.5,2.54,61016253550,70绝缘标称厚度mm0.81.01.01.01.21.21.4导体标称截面mm295,120150185

16、240300400500800绝缘标称厚度mm1.61.82.02.22.42.62.80.6/1kV聚氯乙烯绝缘电力电缆参考外径和近似重量：芯数截面mm2电缆参考外径mm电缆近似重量kg/kmVV系列VV22系列VV32系列VVVLVVV22VLV22VV32VLV3211.56-51-12.56.4-6449-147.3-8863-167.8-11176-1109.111.913.716210026420226420211610.112.914.722612833323533323512511.414.216.932417144529144529113512.515.31842221055

17、334155334115014.117.319.656627174945474945417015.81921.377035297455697455619518.121.124.1105146212726841272684112019.422.425.4128754615247821524782115021.624.427.4159667518469251846925118523.926.529.719738292237109322371093124026.729.332.5254310442836133828361338130029.532.136.1316412773486159934861

18、599140033.136.939.7408816384773232347732323150036.840.643.2510820465866280458662804163040.343.947.963472486717633157176331521.59.811.813.8111-202-295-22.510.612.614.61401092382073403092412.414.417.31961473122635444952613.415.418.3248176373302620548210161820.9365241516392810685216182023.6506308669471

19、114594822520.622.626.27264179136041443113423522.824.828.494251511497221751132525020.323.126.3113553713727751889129227022.925.729.7155370118199682567171629527.531.534.321429592736155333622180212029.733.736.3263111393270177839272435215032.536.340.3324313923935208450003148218536.140.144.140101707479624

20、9359673664224041.745.949.9520922066135313374634460230044.749.353.364322651746836888911513031.510.312.314.3135-230-329-32.511.113.115.11731272772303843373413.115.1182491753722986105363614.116.219.132021345434671660931016.91921.948029364145495977231619.121.124.76763798495521353105732521.923.927.598552

21、211847211757129433524.326.330.1129165115128722152151235023.726.530.51663767194110452731183537027.329.933.922961019260013233502222539532.336.338.9315313793848207445652791312034.538.342.1386616284589235156943456315037.942.146.1476019835607283068244047318542.746.750.7593124776859340582504796324048.752.

22、956.97677317387574253103395834330053.558.162.195443873107825110125296858340058.26369.3122884930136596301164099051续表：芯数截面mm2电缆参考外径mm电缆近似重量kg/kmVV系列VV22系列VV32系列VVVLVVV22VLV22VV32VLV3241.51113.11516326637042.5121416.92131513252635484864414.216.219.13092104423447056064615.417.420.34012575464038326894101

23、8.520.624.16083587845351250100041620.92326.586546910556601600120542524.126.129.9126865114878702129151243526.72932.71669816192610732639178645026.729.533.52179984249012953368217447030.934.937.530201317368519814373267049536.740.744.5414817824935256961573791412039.343.547.3510121165963297872354251415043

24、.547.551.5630426027250354786674964418549.153.357.37849324389384332105135907424055.560.164.1101484143114325427132287223430061.165.971.2126275066140676506168129250440067.473.877.91628564751860787962096911159 51.511.913.916.819230352752.5131517.92551773762996155375415.417.420.33712495163948036805616.81

25、8.822.4486307645466107089151020.322.325.974042993362214561144516232528.6105956512687741870137652526.528.732.51562790181610442530175853529.731.936.520731006235712903388232155030.534.537.127221229337918854048255557035.339.142.937611632450123725634350559541.745.949.7516222056076311974314473512045.149.3

26、53.1636026297346361588115080515049.753.957.97871324389734345105785950518555.960.364.397924034110565298128497092524063.368.173.4126595152141516644169879480530069.975.180.4157326280174457993205611110932.5+1.511.813.816.724617331925952546534+2.513.715.618.634624242233266657736+415.117.12047331653640479

27、8666310+617.819.723.46814247425191174952316+1020.422.326998577101665715131154325+1623.325.328.91454793142486219941432335+1625.327.331.117539151740100123511612350+2526.128.932.919799292278122831392090370+3530.132.936.9270212123052156240402550395+5034.938.741.53675160244072333520531323120+7037.541.545

28、.34577191353812717660139363150+7041.345.349.35498229663983196772645233185+9547.151.355.36948290279943948951654703240+12052.957.361.3891536651011348631182965793300+15057.962.566.51107744801241358171429676993400+18563.668.473.71419756881569371841853010021续芯数截面mm2电缆参考外径mm电缆近似重量kg/kmVV系列VV22系列VV32系列VVVL

29、VVV22VLV22VV32VLV3241.51113.11516326637042.5121416.92131513252635484864414.216.219.13092104423447056064615.417.420.340125754640383268941018.520.624.16083587845351250100041620.92326.586546910556601600120542524.126.129.9126865114878702129151243526.72932.71669816192610732639178645026.729.533.5217998424

30、9012953368217447030.934.937.530201317368519814373267049536.740.744.5414817824935256961573791412039.343.547.3510121165963297872354251415043.547.551.5630426027250354786674964418549.153.357.37849324389384332105135907424055.560.164.1101484143114325427132287223430061.165.971.21262750661406765061681292504

31、40067.473.877.91628564751860787962096911159 51.511.913.916.819230352752.5131517.92551773762996155375415.417.420.33712495163948036805616.818.822.4486307645466107089151020.322.325.974042993362214561144516232528.6105956512687741870137652526.528.732.51562790181610442530175853529.731.936.5207310062357129

32、03388232155030.534.537.127221229337918854048255557035.339.142.937611632450123725634350559541.745.949.7516222056076311974314473512045.149.353.1636026297346361588115080515049.753.957.97871324389734345105785950518555.960.364.397924034110565298128497092524063.368.173.4126595152141516644169879480530069.9

33、75.180.4157326280174457993205611110932.5+1.511.813.816.724617331925952546534+2.513.715.618.634624242233266657736+415.117.120473316536404798666310+617.819.723.46814247425191174952316+1020.422.326998577101665715131154325+1623.325.328.91454793142486219941432335+1625.327.331.117539151740100123511612350+

34、2526.128.932.919799292278122831392090370+3530.132.936.9270212123052156240402550395+5034.938.741.53675160244072333520531323120+7037.541.545.34577191353812717660139363150+7041.345.349.35498229663983196772645233185+9547.151.355.36948290279943948951654703240+12052.957.361.3891536651011348631182965793300

35、+15057.962.566.51107744801241358171429676993400+18563.668.473.71419756881569371841853010021续表芯数截面mm2电缆参考外径mm电缆近似重量kg/kmVV系列VV22系列VV32系列VVVLVVV22VLV22VV32VLV3232.5+21.512.614.617.524617336429157450134+22.514.516.519.434624248337872862336+2416.218.221.1473316626469891734310 +26192124.668142486160412951037316 +21021.923.927.5998577119777616991278325 +21625.227.23114547931683102322571596335 +21627.129.333.117539152013117526441806350+22530.533.337.3228410802637143236462441370+23534.138.140.7311014063841213746052901395+25037.541.545.34188181949922623