【正文】 304 213 489 398 3*6+1*4 408 270 611 473 3*10+1*6 583 361 818 596 3+16+1*10 879 532 1149 802 3*25+1*16 1314 762 1630 1079 3*35+1*16 1605 877 1951 1223 3*50+1*25 1991 981 2335 1325 3*70+1*35 2699 1247 3066 1614 3*95+1*50 3671 1663 4447 2439 3*120+1*70 4598 2011 5466 2878 3*150+1*70 5485 2393 6465 3374 3*185+1*195 6888 2966 7989 4068 3*240+1*120 8886 3759 10142 5015 3*300+1*150 11019 4603 12458 6042 表18 Table17 PVC insulated power cables with rated voltages 芯數(shù)及標稱截面Number of cores and Nominal cross area (mm2)無鎧裝Unarmored鎧裝Armored計算外徑 Calculated external diameter(mm)計算重量 Calculated weight (kg/km)計算外徑 Calculated external diameter(mm)計算重量 Calculated weight (kg/km)銅芯Copper core鋁芯Aluminium core.銅芯Copper core鋁芯Aluminium core.4*4+1* 369 253 570 454 4*6+1*4 497 321 。cm/WSoil thermal resistivity 120℃?cm/W導(dǎo)體截面mm2Conductor cross area mm2空氣中敷設(shè)長期連續(xù)負荷允許載流量（A）Laying longterm continuous load allowable currentcarrying capacity in the air (A) 直埋敷設(shè)長期連續(xù)負荷允許載流量（A）Directburied laying longterm continuous load allowable currentcarrying capacity （A）銅芯Copper core鋁芯Aluminium core.銅芯Copper core鋁芯Aluminium core.一芯One core二芯Twocore三芯Threecore四芯Fourcore一芯One core二芯Twocore三芯Threecore四芯Fourcore一芯One core二芯Twocore三芯Threecore四芯Fourcore一芯One core二芯Twocore三芯Threecore四芯Fourcore23191615—31242022322622192420161542322729322420234413529293126222256413535433227276544438384134292970524444544034341072605251554640409469595872534645169779696874615353124917776957059582512210793921028372711631181011001259178773516212411311512495878919613912412315110795955020415514014415712010811124117115015218513211611770253196175178195151135136292208184183225160141140952722382142182141821651683482572182182671911681671203562732472522762111911953922822472483052181901921504103152932973162422252284473222832863432482182201854653203323413582512572635003953183213853102472482405523964253065823684472843006364906605004007575897735935008866808766706301025787100076780013389341153885表12 鎧裝電纜載流量Table10 Current carrying of armored cable適用電纜型號：VV2VLV2VV2VLV2VV3VLV3VV3VLV33Applicable cable types: VV2VLV2VV2VLV2VV3VLV3VV3VLV33導(dǎo)體最高允許工作溫度：70℃The maximum assigned temperature of the conductor is 70℃.環(huán)境溫度：25℃Ambient temperature：25℃土壤熱阻系數(shù)：120℃C, minimum)MΩ/km3. voltage test試驗電壓 test voltage試驗時間 test duration試驗結(jié)果 test resultkVmin5絕緣不發(fā)生擊穿The insulation shall have no puncture4四小時高電壓試驗Fourhours high voltage test試驗電壓試驗時間實驗結(jié)果kVh4試樣應(yīng)不擊穿 The sample shall have no puncture5絕緣熱延伸試驗insulation thermal elongation test試驗條件 test conditions空氣溫度 air temperature載荷時間 loading time機械應(yīng)力 mechanical stress負載下伸長率(最大)Extensibility on load (max)冷卻后永久伸長率(最大)Permanent extensibility after being cooled (max)℃minN/cm2%%200177。The materials of outer sheath are extruding ST2 PVCor ST7 PE on amour, insulation or cable cores.成品電纜的標志Cable marks成品電纜的外護套表面印有廠名、型號、額定電壓、芯數(shù)、標稱截面和米數(shù)的連續(xù)標志。金屬帶采用雙層間隙繞包，金屬絲采用多根同心絞合。The conductor shall meet the first one of the requirement of GB/3956 or the second one of that, that is bare anneal copper conductor, or bare aluminium conductor or aluminium alloy, or the fifth one of that, that is bare copper conductor or metal coated anneal copper conductor.耐火層fire resistant layer 耐火電纜導(dǎo)體外雙層繞包耐火云母帶，云母帶繞包必須平整、緊密，不允許有折皺、漏包等缺陷。 For laying indoors 、 in tunnel, cable french, well or direct in ground,able to bear external mechanical forces, and certain force 。單芯電纜不允許敷設(shè)在磁性管道中。 Nonmagnetic metal wires are including stainless steel tape, aluminium tape, etc. The materials will determined by the manufacturer, if the buyer not mentioned.產(chǎn)品表示方法Expressed method of product產(chǎn)品用型號（型號中有數(shù)字代號的電纜外護層，數(shù)字前的文字代號表示內(nèi)護套）、規(guī)格（額定電壓、芯數(shù)、標稱截面）和標準編號表示。It is strictly forbidden to push the cable reel from the high level in order to prevent the cable from damages電纜如果需要分段使用，電纜分段后必須用防水封帽將電纜頭密封，防止進水。側(cè)壓力計算方法：P=F247。The single core cable mustn39。Note:D is outer diameter of the cable 敷設(shè)方式電纜沒有敷設(shè)落差限制。短路時（最長持續(xù)時間不超過5s）電纜導(dǎo)體的最高溫度不超過160℃。When the system earth fault can39。System category B ─The system is allowed to run for 8 hours, when the singlephase earth fault is existing. And the total earthfault time of 1 year won39。U：電纜設(shè)計用的導(dǎo)體間的額定工頻電壓； Rated . Voltage between conductorsUm：設(shè)備可承受的“最高系統(tǒng)電壓“的最大值。o