銅、鋁母線的型號

1、6-1銅、鋁母線技術參數(shù)銅、鋁母線的型號、名稱及主要技術參數(shù)見表6-1-1。其厚度a為2.24-31.5mm寬度b為16-125mmi其他的技術要求參見 GB5585 1-85電工用銅鋁及其合金母線,GB5585.2-85銅母線及GB5585.3-85鋁母線。銅、鋁母線的型號、名稱及主要技術參數(shù)表6-1-1型號-名稱抗拉強度(不伸長率布氏硬度電阻率(200C)電阻溫度系數(shù)小 于 )(不小(不小于)不大于(200C)(N/mm2)于)(%)(HB)(Q .mm2/m)(1/0C)TMR軟銅母線20635-0.0172410.00393TMY硬銅母線-650.017770.00381LMR軟鋁母線

2、68.620-0.0282640.00407LMY硬鋁母線1185-0.029000.00403常用銅、鋁母線的尺寸、重量見表 6-1-2、6-1-&常用TMY (TMR)型銅母線規(guī)格、尺寸、截面、重量 表6-1-2規(guī)格尺寸(mm)截(mm2)面重(kg/m)量規(guī)格尺寸(mm)截(mm2)面重量(kg/m)4 x 401601.4186.3 x 1006305.6015 x 402001.7708 x 806405.6905 x 502502.2158 x 1008007.1126.3 x 503152.80010 x 10010008.8906.3 x 805044.481常用LMY (LM

3、R)型銅母線規(guī)格、尺寸、截面、重量 表6-1-3規(guī)格尺寸(mm)截(mm2)面重(kg/m)量規(guī)格尺寸(mm)截(mm2)面重(kg/m)量4 x 251000.2706.3 x 805401.3624 x 401600.4326.3 x 1006301.7035 x 402000.5408 x 806401.7315 x 502500.6768 x 1008002.1626.3 x 503150.85110 x 10010002.7036-2母線截面及形式的選擇母線截面、形狀和每相母線所需導體的數(shù)量等的選擇，應從節(jié)約有色金屬消耗、減少電能損失、降低母線電抗等方面進行綜合考慮， 并保證有足夠的

4、機械強度。6-2-1母線截面的選擇一、按持續(xù)工作電流選擇 式中I.1相應于某一周圍環(huán)境溫度與母線放置方式（母線尺寸寬 厚（mm）*鋁銅交流直流交流直流25 C30 C35 C40 C25 C30 C35 C40 C25 C30 C35 C40 C25 C30 C35 C40 C15x316515514513416515514513421019718517021019718517020 x 321520218917421520218917427525824222327525824222325 x 32652492332152652492332153403202992763403202992763

5、0 x 436534332129637034832630047544641838547544641838540 x 448045142238948045142238962558755050662558755050640 x 554050747543854551248044670065961556770566462057150 x 566562558553967063059054386080975669787081876570550 x 674069565160074570065560495589884077496090284577860 x 68708187657058808277757131

6、125105699091211451079101092880 x 611501080101093211701100103095014801390130012001510142013301225100 x 6142513401255115514551368128011801810170015901470187517601650152060 x 8102596590283110409779158441320124011601070134512651185109080 x 8132012401160107013551274119211001690159014901370175516501545142

7、0100 x 81625153014301315169015901488137020801955183016852180205019201770120 x 8190017851670154020401918179516552400225521101945260024452290210560 x 101155108510169361180111010409561475138813001195152514321340123580 x 101480139013001200154014501355125019001786167015401990187017501610100 x 10182017101

8、600147519101795168015502310217024203018702470232021752000120 x 1020701945182016802300216020201865265090233021502950277025952390如矩形母線豎放或平放）下，長期容許的載流量（見表6-2-F6）。單川5線的載流量（A）由70c表 6-2-1注：1。本表中系母線立放數(shù)據(jù)。當母線平放且寬度060mm事，表中數(shù)據(jù)應乘以0.95, 60mm事應乘以0.9223片組合涂漆母線的載流量（A） 470c 425c表6-2-2母線尺 寸寬*厚 （mm）鋁銅交流直流交流直流2片3片2片3片2

9、片3片2片3片40 x 4855109040 x 5965125050 x 51180152550 x 61315170060 x 61350172015551940174022401990249580 x 616302100205524602110272026303220100 x 61935250025153040247031703245394060 x 81680218018402330216027902485302080 x 820402620240029752620337030953850100 x 823903050294536203060393038104690120 x 826

10、50338033504250340043404400560060 x 102010265021102720256033002725353080 x 1024103100273534403100399035104450100 x 1028603650335041603610465043255385120 x 1032004100390048604100520050006250注：1。本表系母線立放的數(shù)據(jù)，母線間距等于厚度。多片組合涂漆母線的載流量（A） O=70C Q=25C表6-2-3母線尺寸寬*交流直流厚（mm）4片5片6片7片8片4片5片6片7片8片鋁100 X 1041504989560

11、460296656565070408313958410854120 x 10465057495771711876816500829097701125912735銅100 x 105300585264547086760872508910105911221113830120 x 1059006615743379548482835010540124231431616193注：計算條件為母線立放，間距10mm,母線采用焊接連接。若為螺栓連接則表中數(shù)據(jù)乘以0.95 雙槽形（）鋁母線載流量表（=70C）表6-2-4高*寬*厚（mm）截 面(mm2)載流 量附加損耗系數(shù) Kj25 C35 C40 C2 (7

12、5*35*5.5)1390267023502160022 (100*45*4.5)15502820248022800252 (100*45*6)20203500308028300352 (125*55*6.5)27404640408032760052 (150*65*7)3570565049704580082 (175*80*8)4880643056605210112 (200*90*10)687075506640612018編輯版word規(guī)格（mm）允許電流(A)規(guī)格（mm）允許電流（A）規(guī)格（mm）允許電流（A）20*365/10080*3245/36550*4165/27025*380/

13、12090*3275/41060*4195/32530*395/140100*3305/46070*4225/37540*3125/10020*470/11580*4260/42550*3155/23025*485/14090*4290/48060*3185/28030*4100/165100*-4320/53070*3215/32040*4130/2202 (200*90*12)8080883077707150242(225*105*12.5)97601030090708350272(250*115*12.5)10900108009500875031矩形鋼母線載流量（Q=70C）表6-2-5

14、注：1.分子為交流負荷，分母為直流負荷。2.當母線平放時，上表所列負荷對于寬度為60 mm 以下時，應減少5%,若寬度超過60 mm時，應減少8%。3.當空氣的計算溫度不同于+25 C時，采用后表中所列系數(shù)。圓形及管形母線的載流量（70C）表6-2-6圓形面積管形面積銅及鋁鋼直 徑(mm)容許負荷（A）內夕卜徑（mm）容許負荷（A）管子直徑容許負荷（A）銅鋁銅鋁內徑（英寸）外徑（mm）無縫有縱縫61551208101901451/413.575719515010 132952253/817.090823518012 153402801/221.351181032024514 184603403

15、/426.751451241532018 22555425133.501801450539020 2460046511/242.252201556543525 2665050511/248.0025516610/61547525 30830640260.0032018720/72556029 3492572521/275.5039019780/785605/61035 401100850388.5045520835/840650/65540 451200935411467077021900/905695/70045 5013301040513780089022955/965740/74545 511510117061649001000251140/1165885/90050 5513801140271270/1290980/100056 6015851240281325/13601025/105053 6018651450301450/14901120/115560 6516851315351770/18651370/145065 7018751450381960/21001510