不同環(huán)境溫度下電纜載流量修正系數(shù)

1、不同環(huán)境溫度下載流量修正系數(shù)導(dǎo)體工作溫度（o C）環(huán)境溫度 （oC）（空氣中）1015202530354045501.71.61.51.41.31.21.00.75002222205-1.51.51.41.31.21.11.00.80.7608012210631.41.41.31.21.11.01.00.80.7658146890971.41.31.21.21.11.01.00.90.8701592580111.31.21.21.11.11.01.00.90.8802727160361.21.21.11.11.01.01.00.90.890628494049不同環(huán)境溫度下載流量修正系數(shù)導(dǎo)體工作

2、溫度（o C）環(huán)境溫度 （oC） （土壤中）101520253035501.261.181.101.000.890.77601.201.131.071.000.930.85651.171.121.061.000.940.88701.151.111.051.000.940.88801.131.091.041.000.950.90901.111.071.041.000.960.92電纜在空氣中并列敷設(shè)時(shí)載流量修正系數(shù)根數(shù)載流量修正系數(shù)1236468912S=10.90.80.80.80.8d05020-S=21.01.00.90.90.90.90.80.80.8d008050500S=31.01.

3、00.90.90.90.90.80.8d00888055不同土壤熱阻系數(shù)的載流量修正系數(shù)電壓(KV)截面范圍(mm 2)土壤熱阻系數(shù)pt =( oC- M/W )0.81.01.21.51.82.0.53.0135及以下501201.061.000.950.890.840.810.750.711.081.000.940.870.800.770.700.65150300400及以上1.081.000.930.860.790.760.690.641.091.000.930.850.790.760.680.631.01.00.90.90.80.80.70.735及以下505042601.01.00.

4、90.80.80.80.70.61050120604820381503001.01.00.90.80.80.70.70.670471816400及以上1.01.00.90.80.80.70.70.670371715電線電纜穿管敷設(shè)于空氣中載流量修正系數(shù)（參考值）穿管根數(shù)修正系數(shù)240.80580.609120.5012以上0.45注：1、穿管電纜根數(shù)系指有負(fù)荷且發(fā)熱的導(dǎo)線根數(shù)。中性線或保護(hù) 線可不計(jì)。2、般情況下，穿管根數(shù)體積占管內(nèi)體積的 40%左右3、當(dāng)管子并列敷設(shè)時(shí)乘以0.95的修正系數(shù)。三芯或三個(gè)單芯電纜平行成組直埋于土壤中載流量修正系數(shù)（參考值）電纜間距組數(shù)23456相互接觸70100

5、(mm)220250(mm)0.790.6690.630.580.550.850.750.680.640.600.870.970.750.720.69電纜在橋架上無間距配置多層并列時(shí)持續(xù)載流量的校正系數(shù)疊置電纜層數(shù)水平排列1234梯架0.800.660.550.50托盤0.700.550.500.45不同埋地深度時(shí)載流量修正系數(shù)電壓（KV）深度L (mm)修正系數(shù)L=7001.001.00700 L=10000.970.981000 L=12500.950.961250 L=12修正系數(shù)0.800.600.500.45橋架修正系數(shù)疊置層數(shù)1234梯 架0.800.650.550.50托 盤0.

6、700.550.500.45BV、BLV型絕緣線穿半硬塑料管、波紋管管徑選擇 單位：mm導(dǎo)線截面導(dǎo)線根數(shù)(mm 2)234567891011121.01.51620252.52532420625324010324050162540506335505063709563120注：半硬塑料管、波紋管的公稱管徑指外徑BV、BLV型絕緣線穿電線管管徑選擇單位：mm導(dǎo)線截面導(dǎo)線數(shù)根(mm 2)234567891011121.0191.51619252.51941962532381038511632382538516435505164767095647612015018576注：1.電線管的管徑指外徑2.電

7、線管規(guī)格根據(jù)GB3640-83BV、BLV型絕緣線穿鋼管管徑選擇單位：mm導(dǎo)線截面(mm 2)導(dǎo)線根數(shù)234567891011121.01.515202.546202510253240162540253240503550504065705065658095120658010015080185240100注：1.鋼管的管徑指內(nèi)徑mm2.鋼管規(guī)格根據(jù)GB3092-82低壓流體輸送用焊接鋼管BV、BLV型絕緣線穿硬塑料管(輕型)管徑選擇單位:導(dǎo)線截面(mm 2)導(dǎo)線根數(shù)234567891011121.0201.51620252.542532620324010253240501625324050633

8、54560035070509512063150mm注：硬塑料管（輕型）的公稱管徑指外徑。BV、BLV型絕緣線穿硬塑料管（重型）管徑選擇單位:導(dǎo)線截面導(dǎo)線根數(shù)(mm 2)234567891011121.01.51620252.542025326324010253240501625405035505070注：硬塑料管(重型)的管徑指外徑BX、BLX型絕緣線穿半硬塑料管、波紋管管徑選擇單位：mm導(dǎo)線截面(mm 2)導(dǎo)線根數(shù)234567891011121.01.5202532402.5425324065010325063162540633550506370注： 半硬塑料管、波紋管的管徑指外徑mm1.0

9、1.52025322.54324061025324050162540506335505063709563120注：硬塑料管（輕型）的管徑指外徑BX、BLX型絕緣線穿硬塑料管（重型）管選擇單位（mm）導(dǎo)線截面導(dǎo)線根數(shù)(mm 2)234567891011121.01.52025322.542563240501032405016254050355050注：硬塑料管（重型）的公稱管徑指外徑電力電纜穿金屬最小管徑VVVLV0.6/1KV電纜標(biāo)稱截面（MM 2）1.52.54610162535507095120150185焊接鋼管（SC）或水煤氣鋼管（RC）最小管徑 （mm ）電纜穿管長(zhǎng)度在30m及以下直

10、線20253240507080一個(gè)彎曲時(shí)2532507080100二個(gè)彎曲時(shí)3240507080100125YJV電纜標(biāo)稱截面（MM 2）1.2.461123579121518YJLV0.6/1KV550655005005焊接鋼管（SC）或水煤氣鋼管（RC）最小管徑 （mm ）電纜穿管長(zhǎng)度在30m及以下直線15202532405070一個(gè)彎曲時(shí)1520253240507080二個(gè)彎曲時(shí)3220253240507080ZQDZLQD電纜標(biāo)稱截面（MM 2）162535507095120150185240焊接鋼管（SC）最小管徑 （mm ）0.6/1KV或水煤氣鋼管（RC）電纜穿管長(zhǎng)度在30m及以

11、下直線3240507080一個(gè)彎曲時(shí)40507080100二個(gè)彎曲時(shí)507080100125注：適用于三芯、三芯+N及四芯等截面電力電纜電力電纜穿聚氯乙烯管最小管徑VVVLV0.6/1KV電纜標(biāo)稱截面（MM 2）1.52.54610162535507095120聚氯乙烯硬質(zhì)電線管（PC）最小管徑 （mm ）電纜穿管長(zhǎng)度在30m及以下直線202532405063一個(gè)彎曲時(shí)202532405063二個(gè)彎曲時(shí)2532405063YJVYJLV0.6/1K電纜標(biāo)稱截面（MM 2）1.52.54610162535507095120聚氯乙烯硬質(zhì)電線管（PC）最小管徑 （mm ）電纜穿管長(zhǎng)度在30m及以下直

12、線20253405063V2一個(gè)彎曲時(shí)202532405063二個(gè)彎曲時(shí)2532405063ZQDZLQD0.6/1KV電纜標(biāo)稱截面（MM 2）162535507095120聚氯乙烯硬質(zhì)電線管（PC）最小管徑 （mm ）電纜穿管長(zhǎng)度在30m及以下直線324050一個(gè)彎曲時(shí)32405063二個(gè)彎曲時(shí)405063力電纜。注：適用于三芯、三芯+N及四芯等截面電鎧裝電力電纜穿金屬管最小管徑VV*VLV*電纜標(biāo)稱截面(MM 2)1.52.54610162535507095120150185焊接鋼管（或水煤氣鋼管SC)(RC)最小管徑 （mm ）0.6/1KV電纜穿管長(zhǎng)度一個(gè)彎曲時(shí)253240507080

13、80在30m及以下二個(gè)彎曲時(shí)253240507080100*：適用于 VV22,32,43 , VLV 22,32,43YJV*YJLV*0.6/1KV8.7/10KV電纜標(biāo)稱截面(MM 2)1.52.54610162535507095120150185焊接鋼管或水煤氣鋼管1 SC)；(RC)最小管徑 （mm ）電纜穿管長(zhǎng)度在30m及以下一個(gè)彎曲時(shí)2532405070100二個(gè)彎曲時(shí)253240507080100一個(gè)彎曲時(shí)80100125二個(gè)彎曲時(shí)100125*：適用于 YJV22,32, YJLV22,32ZQD*ZLQD*0.6/1KV8.7/10KV電纜標(biāo)稱截面(MM 2)1625355

14、07095120150185焊接鋼管或水煤氣鋼管:SC)(RC)最小管徑 （mm ）電纜穿管長(zhǎng)度在30m及以下一個(gè)彎曲時(shí)7080100二個(gè)彎曲時(shí)7080100一個(gè)彎曲時(shí)80100125二個(gè)彎曲時(shí)100125*： 適用于 ZQD 02,03,22,23,32,33,41, VLV 02,03,22,23,32,33,41注：適用于三芯、三芯+N及四芯等截面電纜穿墻保護(hù)管?？刂齐娎|穿金屬管或聚氯乙烯硬質(zhì)管最小管徑電纜截面（MM2）控制電纜芯數(shù)2456,7810121416192430370.751.0焊接鋼管或水煤氣鋼管:SC)；(RC)最小管徑（mm ）電纜穿管長(zhǎng)度在30m及以下直通152025

15、3240一個(gè)彎曲時(shí)202532405070二個(gè)彎曲時(shí)2532405070電纜截面焊接鋼管（SC）最小管徑 （mm ）(MM 2)或水煤氣鋼管（RC)1.52.5電纜穿管長(zhǎng)度在30m及以下直通2025324050一個(gè)彎曲時(shí)202532405070二個(gè)彎曲時(shí)253240507080100電纜截面（MM 2）聚氯乙烯硬質(zhì)電線管（PC）最小管徑 （mm ）0.751.0電纜穿管長(zhǎng)度在30m及以下直通2025324050一個(gè)彎曲時(shí)2532405063二個(gè)彎曲時(shí)32405063電纜截面（MM 2）聚氯乙烯硬質(zhì)電線管（PC）最小管徑 （mm ）1.52.5電纜穿管長(zhǎng)度在30m及以下直通2532405063一

16、個(gè)彎曲時(shí)32405063二個(gè)彎曲時(shí)32405063注：適用于KVV KXV KYV型控制電纜電線電纜穿管最小管徑管材種類導(dǎo)線規(guī)格型號(hào)電話支線穿管對(duì)數(shù)1 23456 7 89最小管徑 (mm )導(dǎo)線穿電線管(TC)或聚氯乙烯管(PC)RVB-2X0.22X0.516202532RVS-2X0.22X0.520253240導(dǎo)線穿焊接鋼管(SC)或水煤氣鋼管(RC)RVB-2X0.22X0.5152025RVS-2X0.22X0.515202532導(dǎo)線根數(shù)123456管材種類TC SCPC RCTC SCPC RCTC SCPC RCTC SCPC RCTC SCPC RCTC SCPC RC導(dǎo)線型

17、號(hào)導(dǎo)線穿管最小管徑（mm ）RVVP- 2X0.22X0.516 1520 1525 2032 2032 2532 32同軸電纜根數(shù)12345管材種類TC SCRCTC SCRCTC SCRCTC SCRCTC SCRC同軸電纜型號(hào)規(guī)格電纜穿管最小管徑（mm ）SYV- 75-5-416 1525 2025 2032 2540 32SS-75-7-425 2032 2540 3250 4050 5075-9-425 2540 3250 4050 50-50導(dǎo)線載流量型號(hào)BLV額定電壓（KV）0.45/0.75導(dǎo)體工作溫度（ C）70環(huán)境溫度（ C）303540303540導(dǎo)線排列O- S-O-

18、 S-O導(dǎo)線根數(shù)245891212以上245891212 以上245891212以上標(biāo)稱截面（mm2 ）明敷載流量(A)導(dǎo)線穿管敷設(shè)載流量（A）2.5242321131087139871297643230281814111016121091612109641393624181513221714122115131110565349332521193123191729211816167671664735292643322724403025222510497906548403660453733554134313512711911081605045745646426951433850155146135

19、997462569168575184635247702011891751279579711178873661088167609524723221516012010090148111928313610285761814171316121202882702509111810641109980010090211620151813150334313290721351220012511248115103251923172116185385362335411591435614713262135121302328212619240460432400701911723217715905162146注：明敷載流

20、量值系根據(jù) S2De（De-電線外徑）計(jì)算型號(hào)BLX額定電壓（KV）0.45/0.75導(dǎo)體工作溫度()65環(huán)境溫度( C)303540303540導(dǎo)線排列O- S-O- S-O-導(dǎo)線根數(shù)-245891212以上245891212以上245891212以上標(biāo)稱截面(mm 2)導(dǎo)線穿管敷設(shè)載流量(A)2.52523211310871398712976433312818141110171311101612109641383524181513221714122115131110575248332420183023191728211715167771654533282541312623382924211

21、025395876247393557433632533933291211103544577574843715344406549413715141350320947159538765544980605045191816121110705052927669384706347865582422201511131012952351394859487788968072120282624171311210116121039315119585320945424323027201519141713150505751291162412010862110993734322418221620151858901015

22、01352713912543127114454238292127202418240405391831640316915286155139注：明敷載流量值系根據(jù)S2De（De-電線外徑）計(jì)算型號(hào)BV-105額定電壓（KV）0.45/0.75導(dǎo)線排列OOOO- S-O- S-O導(dǎo)體工作溫度()105環(huán)境溫度( C)303540303540標(biāo)稱截面(mm2)明敷0.751514142221201.01817172625241.52423223231302.532313044424144342405856546565452767370環(huán)境溫度( C)303540導(dǎo)線根數(shù)259112以259112以25

23、9112以482上482上482上標(biāo)稱截面（mm2）明敷0.751297611876118761.01410981310871310871.51614121018131110171311102.525191614241815132418151343418211916252119322420186443328254332272441312623注：明敷載流量值系根據(jù)S2De（De-電線外徑）計(jì)算BV-105型耐熱聚氯乙烯絕緣銅芯電線的載流量（9 n=105 C） BV-105截面明敷（A）2根穿管（A）管徑（mm）3根穿管（A）管徑（mm）3根穿管（A）管徑（mm ）(mm 2)50 0C55

24、0C60 0C65 0C50 0C55 0C60 0C65 0CGDG50 C55 0C60 0C65 0CGDG50 C55 0C60 0C65 0CGDG1.5252322211918171615161716151415161615141315162.5343230282725242315162523222115162321201915194474442403937353315193432302815193129282620256605754515148464320254441393720254038363420251089848075767268642025676360572532595

25、6535025321612311711110495908581253285817672253275716763323825165157149140127121114108323811310710296323810196918632(51 )35205191185174160152144136323813813112411732(51)12612011310750(51 )5026425123822520219218217240(51)17917016115240(51)15915114313550(51 )7031029528026424022821720450(51)213203192181

26、50(51)19318417416465-9538036234332429227826424950-26224923622365-23322221019865-12044842740538234733131429665-31129628126565-27526124823465-15051949446944239938036034065-36234532730865-32030528927280-注1.本電線的聚氯乙烯絕緣中加了耐熱增塑劑，線芯允許工作溫度可達(dá)105 C,適用于高溫場(chǎng)所，但要求電線接頭用焊接或絞接后表面錫la處理。電線實(shí)際允許工作溫度還取決于電線與電線及電器接頭的允許溫度，當(dāng)接

27、頭允許溫度為95 c時(shí)，表中數(shù)據(jù)應(yīng)乘以0.92,85 c時(shí)應(yīng)乘以0.84。2.BLV-105型鋁芯耐熱線的載流量可按表中的數(shù)據(jù)乘以0.78。3.本表中載流量數(shù)據(jù)系編者經(jīng)計(jì)算得出，僅供參考型號(hào)BVVBVVB額定電壓(KV)0.30/0.50芯數(shù)單、雙芯導(dǎo)體工作溫度( C)70環(huán)境溫度( C)303540導(dǎo)線根數(shù)245891212以上245891212以上245891212以上標(biāo)稱截面(mm2)穿管敷設(shè)1.5171311915111091411982.523171513221614122015131143023191729221816262017156392925223728232134262219105441343151383229473530271673