电线电缆载流量表()

1、载流量对照表铜芯线载流量表（1）铝芯线载流量表（2）注导线截面积（mm2）11.52.54610162535507095120150185载流量（25度）192432425575105138170215265325375430490断路器10202540506310121620253135400导线截面11.2.461010匕禽3505(0070095-12)0151824（mm2）550050载流是截面倍数9876543.532.521.5载流量（A）9142332486090100123150210237.5300300370360断路器规格（A）610162025324050638010

2、0125160200250315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断二1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 mV/M紧挨 一字 型电 压降 mV/m间距 一字 型电 压降 mV/m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/m0.950.850.7VVYJVVVYJVVVYJVVVYJV11.5mm2

3、202530.8626.7326.7326.731616131830.86131330.8622.5mm2283518.918.918.918.9233518.9182218.9183018.934mm2385011.7611.7611.7611.76343811.76233411.76284011.7646mm 248607.867.867.867.8640557.8632407.8635557.86510mm265854.674.044.044.0555754.6745554.6748804.67616mm2901102.952.552.562.55701082.960752.665652

4、.6725mm21151501.871.621.621.631001401.9801001.6861051.6835mm21451801.351.171.171.191251751.31051301.21081301.2950mm21702301.010.870.880.914521011301600.871381650.871070mm22202850.710.610.620.651902650.71652100.611752100.611195mm22603500.520.450.450.52303300.522002600.452202600.4512120mm23004100.430.

5、370.380.422704100.422353000.362553000.3613150mm23504800.360.320.330.373104700.352753500.33403600.314185mm24105400.30.260.280.333605700.293204100.254004150.2515240mm24806400.250.220.240.294306500.243904850.214704950.2116300mm25607400.220.20.210.285007000.214505600.195005800.1917400mm26508800.20.170.2

6、0.266008200.1918500mm275010000.190.160.180.2519630mm288011000.180.150.170.2520800mm2110013000.170.150.170.24211000mm2130014000.160.140.160.240.6/1kv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70笆空气温度30C土攘温度25 C土壤热阻系数1。2C.m/w1000/m标称截面mm 2在空气中在地下一芯二芯三芯一芯二芯三芯铜铝铜铝铜铝铜铝铜铝铜铝1.524_20_17_34_27_22_2.532252821

7、231846353528302344534362931246147473639316564347363931755858454938108061665156431058180626852161068389697659138106105828969251431111179110278180138133104107833517513314311112294218169164127131101502231701801381541222651962011591591237026520721717019114831023924418619515095329254238182233180369283280

8、210231178120382297273211270207416323320238262201150445339325242313244474364355272300231185519392370298360281530408407322337262240609472_429334617474_390301300705546_477376700530_451355400832641_820629_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导电线芯最高工温度70C空气温度30C。土壤温度25C土壤热阻系数1。2Cm/w标称截面mm 2在空气中在地下标

9、称截面mm2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vv22-VLV22 导导电线芯最高准许工作温度70C。空气温30C。土壤温度25C土壤热阻系数；1.2C标称截在空气中在地下面mm2一芯二芯三

10、芯一芯二芯三芯铜铝铜铝铜铝铜铝铜铝铜铝4_37293224_453538296_48374032_56434737108264675257451017877596550161118591707760132104102798766251431111229210280175132125971098425175138143111122952121641481151301005022317518013815412226020118114016012370276212217170191148307238220170195150953342602401852331803712862782082291761

11、20387297278215270207424339320229262201150445345319254313244483375361270299229185509398368292360281541419405310334257240615477_424334636493_386298300700541_477371721557_445350400832641_838647_500970747_955743_6301124875_1093849_80013461039_1284987_0.6/1kv3+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

12、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mm2在空气中在地下标称截面mm2在空气中在地下铜铝铜铝铜铝铜铝42923362770184141196151639294636952261742341811052406147120260201267206167054816215030123130123125947310682185345266338261351199213410324039029438929050149115163125300447345440340三，0. 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，,

13、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mm2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_426213427252133266372545333625443210463656434534544116604772555845705325826495758062957435108841239610782121945013410015111313298149110701651241811361621221801359520315621616520015221216112023618

14、3246192230180241187150281214287219275208280212185328246334251318236324241240367268374275352253360261300418330428341401314412325四，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，,YJV33 42 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mm2单芯标称截面mm2单芯在土壤中在空气中在土壤中在空气中2516014224054055035187175300601646502202064

15、0068075770276260500772857953303206308619701203703618009601103150410471100010391237185456475120011171321五，0. 6/1kv.-1.8/3kv硅烷交联聚乙烯绝缘电力电缆载流量，该产品的阻燃，耐火产品的载流量参照此计算彳直选择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mm2非铠装铠装在空气中在地下在空气中在地下一芯二芯三芯一芯二芯三芯一芯二芯三芯一芯二芯三芯铜铜铜铜铜铜铜

16、铜铜铜铜铜1. 5312622443528-2. 5413630594538-4. 0584640786050-4640-57486. 0726050967463-6051-716010102857213410287105857212998831613611497177134114142116981681301112518315013123017013718315613022516013135224150156279210168224183156271189162502851831973392572042852301973322312047033923024439731225035327724

17、539228124995421278298472358296428307298464355293120489305346532410335495355345524400355150570350401607454384569408400608438382185664416461678512431651471457662502427240745474549760_499768_542764_494300902_611896_577896_610882_569400995_678990_642991_670987_6385001135_1089_1130_1022_6301352_1257_1350

18、_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mm23+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_20264283528342734636463646324210516051604655166878697960

19、70259110493104829635114129117131108122501421581471601281447017418918019015917495215226222231200211120250261257262234245150292298295295274280185337338340334315321240372382376371343352300438456441435422436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,yjv22,电压等级，6/6,6/10kv电压等级6/6,6

20、/10kv电压等级6/6,6/10kv标称截面单芯标称截面单芯mm2在土壤中在空气中mm2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。 7/15kv电压等级8.7/10,8.7/1

21、5kv标称截面mm2单芯标称截面mm2单芯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 YJLY22电压等级，3。6/6kv,电压等级3.6/6kv电压等级3.6/6kv标称截面mm2单芯标称截面mm2单芯在土壤中在空气中在土壤中在空

22、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标称截面mm2单芯标称截面mm2单芯在土壤中在空气中在土壤中在空气中251301272404204403

23、51411393004675085018316740053258770206200500600687952502496306968001202902908007709261503203401000867103818536137612009171121十一，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标称截面mm2单芯标称截面mm2单芯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 YJY22电压等级6/6KV电压等级6/6KV标称截面三芯标称截面三芯mm2在土壤中在空气中mm22在土壤中在空气中电压等级，6/6KV,6/10KV电压等级6/6KV,6/10KV电压等级6/6KV,6/10KV标称截面mm2三芯标称截面mm2三芯在土壤中在空气中在土壤中在空气中2

25、5150137240532520351841683006055935022020070260252953232981203643401504143951854594368十四，三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。7/10KV,8.7/15KV,十五，三芯铝导体交联聚乙烯绝缘电力电缆载流量，电压等级8.7/10KV,8.7/15KV电压等级8.7/10KV,8.7/15KV标称截面mm2三芯标称截面mm2三芯在土壤中在空气中在土壤中在空气中251511371203643593518416815041639050223200185456

26、4477026925024053252095325299300600584电压等级3.6/6KV电压等级3.6/6KV标称截面mm2三芯标称截面mm2三芯在土壤中在空气中在土壤中在空气中2511210624040039435130132300460455501731587020918595247226120275263150321301185350335适用型号，YJLV,YJLY,yjlv22,yjly22电压等级，3.6/6KV十六，三芯铝导体交联聚乙浠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,6/1

27、0KV电压等级6/6KV,6/10KV标称截面mm2三芯标称截面mm2三芯在土壤中在空气中在土壤中在空气中2511010224040439835129133300462457501741597021018795239223120277265150325305185357337十七，三芯铝导体交联聚乙烯绝缘电力电缆载流量，适用型号，YJLV，YJLY，YJL*，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标称截面mm2三芯标称截面mm2三芯在土壤中在空气中在土壤中在空气中25116108120273

28、26035132134150320305501751491853573397020818724041040095247219300465460十八，架空绝缘电缆栽流量，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70C，周围环境温度；30C导体材料铜铝截面，mm2聚氯乙烯(PVC)聚乙烯(PE)聚氯乙烯(PVC)聚乙烯(PE)161021047981251381421071113517017513213650209216162168702662752072149533234425726712038440029931115044

29、2459342356185515536399416240615641476497十九，10KV,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标称截面mm2一芯三芯铝铜铝铜1693115871122510413210012935127161120155501551901481917019525118023295238300220284120274350250323150318400280361185350462320412240410550376480二十，塑料绝绝电线在空气中穿管敷设的载流量（

30、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，标称截面mm2长期连续负何准许载流量A相应电线表面温度。C铜芯铝芯0. 7516_601. 019_601. 52418602. 5322560442326065542601075596016105806025138105603517013060502151656070265205609532525060120375285601504303256018549038060500V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导体线芯最高准许工温度；65C周围环境温度；25C标称截面mm2长期