电线电缆载流量表

1、载流量对照表铜芯线载流量表（1）导线截面积（mm）11.52.54610162535507095120150185载流量（25度）192432425575105138170215265325375430490断路器规格（A）102025405063100125160200250315350400铝芯线载流量表（2）导线截面（mr2）11.52.54610162535507095120150185240载流是截面倍数9876543.532.521.5载流量（A9142332486090100123150210237.5300300370360断路器规格（A）6101620253240506380

2、100125160200250315线径选择一般为设备额定电流的1.7倍.由于断路器需要保护线路.所以断路器的额定电流应小于导线所能承受的电流I线=In*1.7In为设备额定电流I断=1线/1.2I线为线径所承受的电流.I断为断路器额定电流In<I断<I线裸导线的许用电流可提高50%序号铜电线型号单芯载流量（A）电压降mV/m品字型电压降*挨字型电间距一字型电两芯载流量（A）电压降mV/m三心载流量（A）电压降mV/m四心载流量（A）电压降mV/mmV/M压降mV/m压降mV/m0.950.850.7VVYJVVVYJVVVYJVVVYJV11.5mn2202530.86:26.7

3、326.7326.731616131830.86131330.8622.5mn2283518.918.918.918.9233518.9182218.9183018.934mm385011.7611.7611.7611.76343811.76233411.76284011.7646mm248607.867.867.867.8640557.8632407.8635557.86510mm65854.674.044.044.0555754.6745554.6748804.67616mm901102.952.552.562.55701082.960752.665652.6725mm1151501.87

4、1.621.621.631001401.9801001.6861051.6835mm1451801.351.171.171.191251751.31051301.21081301.2950mm1702301.010.870.880.914521011301600.871381650.871070mm2202850.710.610.620.651902650.71652100.611752100.611195mm2603500.520.450.450.52303300.522002600.452202600.4512120mn23004100.430.370.380.422704100.4223

5、53000.362553000.3613150mn23504800.360.320.330.373104700.352753500.33403600.3141I85mn24105400.30.260.280.333605700.293204100.254004150.2515:?40mn24806400.250.220.240.294306500.243904850.214704950.2116:300mn25607400.220.20.210.285007000.214505600.195005800.19174I00mn26508800.20.170.20.266008200.191815

6、00mn275010000.190.160.180.2519(530mn288011000.180.150.170.25201300mn2110013000.170.150.170.24211000mm2130014000.160.140.160.240.6/1kv聚氯乙烯绝缘电力电缆载流量阻燃耐火型亦参照此表适用型号vv.vLv导电线芯最高工作温度70C空气温度30C土攘温度25C土壤热阻系数1。2C.m/w1000/m标称截面2mm在空气中在地下一"芯二芯一"芯二芯铜铝铜1铝铜铝铜铝铜1铝铜铝1.524-20-17-34-27-22-2.5322528212318463

7、535283023445343629312461474736393165643473639317558584549381080616651564310581806268521610683896976591381061058289692514311111791102781801381331041078335175133143111122942181691641271311015022317018013815412226519620115915912370265207217170191148310239244186195150953292542381822331803692832802102311

8、78120382297273211270207416323320238262201150445339325242313244474364355272300231185519392370298360281530408407322337262240609472-429334617474-390301300705546-477376700530-451355400832641-820629-500965753-929710-6301134880-1060813-8001351049-1223938-0.6/1kv3+1芯或4芯聚氯乙烯绝缘及护套电力电缆的载流量2.适用型号vv.vLv导电线芯最高工温

9、度70c空气温度30Co土壤温度25C土壤热阻系数1。2Cm/w标称截面2mm在空气中在地下标称截面2mm在空气中在地下铜铝铜铝铜铝铜铝42822372870178136194148638284636952181682311771051406147120253195263204166853806115029822830323325927110682185344263340263351158913010124039029139729850144111161124300438342448356二0.6/1kv聚氯乙烯绝缘及护套电力电缆载流量适用型号VV22VLV22导导电线芯最高准许工作温度70C

10、o空气温30Co土壤温度25C土壤热阻系数；1.2C标称截面2mm在空气中在地下一"芯二芯一"芯二芯铜铝铜铝铜铝铜铝铜铝铜铝4-37293224-453538296-48374032-564347371082646752574510178775965501611185917077601321041027987662514311112292102801751321259710984251751381431111229521216414811513010050223175180138154122260201181140160123702762122171701911483072

11、3822017019515095334260240185233180371286278208229176120387297278215270207424339320229262201150445345319254313244483375361270299229185509398368292360281541419405310334257240615477-424334636493-386298300700541-477371721557-445350400832641-838647-500970747-955743-6301124875-1093849-80013461039-1284987-

12、20.6/1kv3+1芯或4芯聚氯乙烯绝缘及护套电力电缆载流量适用型号VV22,vlv22导电线芯最高准许工作温度70C空气温度30C.土壤温度25c土壤热阻系数；1。2c标称截面2mm在空气中在地下标称截面2mm在空气中在地下铜铝铜铝铜铝铜铝4292336277018414119615163929463695226174234181105240614712026020126720616705481621503012313012312594731068218534526633826135119921341032403902943892905014911516312530044734544034

13、0三.0.6/1kv3+2芯4+1芯5芯聚氯乙烯绝缘电力电缆载流量1.适用型号VV,VLV,VV22,VLV22,导电线芯最高工作温度70C2.空气温度30C.土壤温度25C土壤热阻系数；1。2c标称截面2mm非铠装铠装在空中在地下在空气中在地下铜铝铜铝铜铝铜铝1.515-20-2.521162821-4262134272521332663725453336254432104636564345345441166047725558457053258264957580629574351088412396107821219450134100151113132981491107016512418113

14、616212218013595203156216165200152212161120236183246192230180241187150281214287219275208280212185328246334251318236324241240367268374275352253360261300418330428341401314412325四.单芯铜导体交联聚乙烯绝缘电力电缆载流量适用型号.YJV,YJV22"YJY,YjV32,YJV3342.43电缆电压等级.3.6/6kv电压等级3.6/6kv电压等级3.6/6kv标称截面2mmw标称截面2mm在土壤中在空气中在土壤中在空

15、气中25160142240540550351871753006016465022020640068075770276260500772857953303206308619701203703618009601103150410471100010391237185456475120011171321五.0.6/1kv.-1.8/3kv硅烷交联聚乙烯绝缘电力电缆载流量.该产品白阻燃.耐火产品的载流量参照此计算循选择1.1-3芯电缆的载流量见表7适用型号；YJV,YJLV,YJY,包括钢带凯装导体最高准许工作温度90C空气温度30C.土壤温度25c土壤热阻系数；1.2C标称截面miri非铠装铠装在空气

16、中在地下在空气中在地下芯二芯三芯芯二芯三芯芯二芯三芯芯一什心三芯铜铜铜铜铜铜铜铜铜铜铜铜1.5312622443528-2.5413630594538-4.0584640786050-4640-57486.0726050967463-6051-7160101028572134102871058572129988316136114971771341141421169816813011125183150131230170137183156130225160131352241501562792101682241831562711891625028518319733925720428523019733

17、22312047033923024439731225035327724539228124995421278298472358296428307298464355293120489305346532410335495355345524400355150570350401607454384569408400608438382185664416461678512431651471457662502427240745474549760-499768-542764-494300902-611896-577896-610882-569400995-678990-642991-670987-63850011

18、35-1089-1130-1022-6301352-1257-1350-1239-8001637-1465-1633-1440-注；表中计算值为铜芯载流量。铝芯载流量为铜芯的1/1。29倍六.3+1.3+2.4+1.4芯.5芯电缆载流量.适用型号；yjv,yjy,yjlv,yjly（包括钢带.铠装）导体最高准许工作温度；90C空气温度；30C土壤温度；25C土壤热阻系数；1.2C标称截面mrn3+1。或.4芯3+2.或.4+1.或5心非铠装铠装非铠装铠装在空气中在地下在空气气在地下在空气中在地下在空气中在地下铝铝铝铝铝铝铝铝2.52226一一20264283528342734636463646

19、32421051605160465516687869796070259110493104829635114129117131108122501421581471601281447017418918019015917495215226222231200211120250261257262234245150292298295295274280185337338340334315321240372382376371343352300438456441435422436注.表中给出计算值是铝芯载流量.铜芯栽流量为铝芯的1.29倍.七.单芯铜导体交联聚氯乙烯绝缘电力电缆载流量适用型号.YJV,YJY,Y

20、JV22,电压等级.6/6,6/10kv电压等级6/6,6/10kv电压等级6/6,6/10kv标称截卸mmw标称截卸mm在土壤中在空气中在土壤中在空气中25161142240538550351881753006006475022120740068178570287260500770857953313206308629701203673608009571103150400412100010401237185456475120011481319八.单芯铜导体交联聚氯乙烯绝缘电力电缆栽流量适用型号.yjv,yjy,yjv22),电压等级.8。7/10.8。7/15kv电压等级8.7/10.8。7/

21、15kv电压等级8.7/10,8.7/15kv标称截卸mm标称截卸mm在土壤中在空气中在土壤中在空气中25160142240540557351871753006006485022720640068275570278260500772856953313206308619701203803608009601103150412417100010091237185457480120010391321九.单芯铝导体交联聚氯乙烯绝缘电力电缆载流量适用型号.YJLV,YJLY,JLV22,YJL»2,电压等级.3。6/6kv,电压等级3.6/6kv电压等级3.6/6kv标称截卸mmw标称截卸mmw

22、在土壤中在空气中在土壤中在空气中25129125240417441351401383004695085018216940053058770207207500601687952492486306978021202892908007719271503213411000867104018536037512009171127十.单芯铝导体交联聚氯乙烯绝缘电力电缆载流量适用型号.YJLV,YJLY,YJLV22,YJLY22电压等级.6/6KV,6/10KV,电压等级6/6kv,6/10,kv电压等级6/6kv,6/10kv标称截卸mm标称截卸mm在土壤中在空气中在土壤中在空气中251301272404

23、20440351411393004675085018316740053258770206200500600687952502496306968001202902908007709261503203401000867103818536137612009171121十一,单芯铝导体交联聚氯乙烯绝缘电力电缆栽流量适用型号.YJLV,YJLY,YJLV22,YJLY22,电压等级.8。7/10.8。7/15.电压等级8.7/10KV,.8.7/15KV电压等级8.7/10KV.,8.7/15KV标称截卸mm标称截卸mm在土壤中在空气中在土壤中在空气中25130125240420447351421383

24、004695075018116940053158670205205500600687952482466306978021202892918007729261503203421000867104118536138112009171128十二.三芯铜导体交联聚乙烯绝电力电缆载流量适用型号.YJV,YJY,YJV22,YJY>2电压等级.3。6/6KV电压等级6/6KV电压等级6/6KV标称截卸mm二芯标称截卸mm二芯在土壤中在空气中在土壤中在空气中2515013624053052035184167300600594502212004007025925250095320299630120360

25、341800150413395100018548543361200十三.三芯铜导体交联聚乙烯绝缘电力电缆载流量适用型号,YJV,YJY,YJV22,YJY>2电压等级.6/6KV,6/10KV电压等级6/6KV,6/10KV电压等级6/6KV,6/10KV标称截卸mm二芯标称截卸mm二芯在土壤中在空气中在土壤中在空气中2515013724053252035184168300605593502202007026025295323298120364340150414395185459436十四.三芯铜导体交联绝缘电力电缆载流量适用型号.YJV,YJY,YJV22,YJY22,电压等级8.7/

26、10KV,8.7/15KV电压等级8.7/10KV,8.7/15KV标称截卸mm二芯标称截卸mm二芯在土壤中在空气中在土壤中在空气中2515113712036435935184168150416390502232001854564477026925024053252095325299300600584电压等级.8。7/10KV,8.7/15KV,十五.三芯铝导体交联聚乙烯绝缘电力电缆载流量适用型号.YJLV,YJLY,YJLV22,YJLY22电压等级.3.6/6KV电压等级3.6/6KV电压等级3.6/6KV标称截卸mm二芯标称截卸mm二芯在土壤中在空气中在土壤中在空气中2511210624

27、040039435130132300460455501731587020918595247226120275263150321301185350335十六.三芯铝导体交联聚乙潘绝缘电力电缆载流量适用型号.YJLV,YJLY,YJLV22,YJLY>2,电压等级.6/6KV,6/10KV,电压等级6/6KV,6/10KV电压等级6/6KV,6/10KV标称截卸mm二芯标称截卸mm二芯在土壤中在空气中在土壤中在空气中2511010224040439835129133300462457501741597021018795239223120277265150325305185357337十七.三

28、芯铝导体交联聚乙烯绝缘电力电缆载流量适用型号.YJLV.YJLY.YJLV22.YJLY22电压等级.8。7/10KV,8.7/15KV,电压等级8.7/10KV,8.7/15KV电压等级8.7/10KV,8.7/15KV标称截卸mm二芯标称截卸mm二芯在土壤中在空气中在土壤中在空气中2511610812027326035132134150320305501751491853573397020818724041040095247219300465460十八.架空绝缘电缆栽流量.1.1KV及以下架空绝缘电缆在空气中敷设时栽流量适用型号.JKV,JKLV,JKY,JKLY,导电线芯最高准许温度70

29、C.周围环境温度；30C导体材料铜铝截回.mm聚氯乙烯(PVC)聚乙烯(PE)聚氯乙烯(PVC)聚乙烯(PE)1610210479812513814210711135170175132136502092161621687026627520721495332344257267120384400299311150442459342356185515536399416240615641476497十九.10KV,35KV,交联聚氯乙烯绝缘架空电缆在空气中的载流量适用型号.JKYJ,JKLYJ(JKY,JKLY),导体长期工作温度90C.空气环境温度30C标称截卸mm一"芯二芯铝铜铝铜169

30、3115871122510413210012935127161120155501551901481917019525118023295238300220284120274350250323150318400280361185350462320412240410550376480二十.塑料绝绝电线在空气中穿管敷设的载流量（包括阻燃.耐火.不燃烧型）1.500V单芯聚氯乙烯绝缘电线在空气中敷设长期连续负荷准许载流量.标称截卸mm长期连续负何71许载流量A相应电线表面温度C铜芯铝芯0.7516-601.019-601.52418602.53225604423260655426010755960161058060251381056035170130605021516560702652056095325250601203752856015043032560185490380602.500V单芯聚氯乙烯绝缘电线穿管时在空气中敷设长期连续负荷准许载流量适用型号.BV,BLV