銅鋁母線的型

1、銅鋁母線的型6-1銅、鋁母線技術(shù)參數(shù)銅、鋁母線的型號、名稱及主要技術(shù)參數(shù)見表6-l-lo其厚度a為，寬度b 為16-125mmo其他的技術(shù)要求參見GB5585o 1-85電工用銅鋁及其合金母 線，銅母線及鋁母線°銅、鋁母線的型號、名稱及主要技術(shù)參數(shù)表6-1-1型號名稱抗拉強度 (不小于) (N./mm2)伸長率 (不小 于)(%)布氏硬度(不小于)(HB)電阻率(2000 不大于(Q mm2/m)電阻溫度系數(shù)(2000(1/00TMR軟銅母線20635TMY硬銅母線65LMR軟鋁母線11820LMY硬鋁母線5常用銅、鋁母線的尺寸、重量見表6-1-2、6-1-3。常用TMY (TMR)

2、型銅母線規(guī)格、尺寸、截面、重量 表6-1-2規(guī)格尺寸(mm)截面(mm2)重量(kg/m)規(guī)格尺寸(mm)截面(mm2)重量(kg/m)4x40160X1006305x402008x806405x502508x100800x5031510x1001000x80501常用LMY (LMR)型銅母線規(guī)格、尺寸、截面、重量 表6-1-3規(guī)格尺寸(mm)截面(mm2)重量(kg/m)規(guī)格尺寸(mm)截面(mm2)重量(kg/m)4x25100x805404x40160X 1006305x402008x806405x502508x100800x5031510x10010006-2母線截面及形式的選擇母線

3、截面、形狀和每相母線所需導(dǎo)體的數(shù)量等的選擇，應(yīng)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，并保證有足夠的機械強度。6-2-1母線截面的選擇按持續(xù)工作電流選擇 式中 目應(yīng)于某一周圍環(huán)境溫度與母線放置方式(如矩形母線豎放或平放）下，長期容許的載流量（見表6-2-16）。單片母線的載流量（A）0=70°C表 6-21母線尺寸寬 水厚（mm）鋁銅交流直流交流直流25°C30°C35°C40°C25°C30°C35°C40°C25°C30°C35°C40

4、6;C25°C30cC35°C40°C15x316515514513416515514513421019718517021019718517020x321520218917421520218917427525824222327525824222325x326524923321526524923321534032029927634032029927630x436534332129637034832630047544641838547544641838540 x 448045142238948045142238962558755050662558755050640x5

5、54050747543854551248044670065961556770566462057150x566562558553967063059054386080975669787081876570550x674069565160074570065560495589884077496090284577860x68708187657058808277757131125105699091211451079101092880x611501080101093211701100103095014801390130012001510142013301225100x614251340125511551455

6、1368128011801810170015901470187517601650152060x8102596590283110409779158441320124011601070134512651185109080x81320124011601070135512741192110016901590149013701755165015451420100x81625153014301315169015901488137020801955183016852180205019201770120x81900178516701540204019181795165524002255211019452600

7、24452290210560x101155108510169361180111010409561475138813001195152514321340123580x101480139013001200154014501355125019001786167015401990187017501610100x10182017101600147519101795168015502310203018702470232021752000120x10207019451820168023002160202018652650233021502950277025952390注：lo本表中系母線立放數(shù)據(jù)。出母線平放

8、且寬度W60mm事，表中數(shù)據(jù)應(yīng)乘以，60mm事應(yīng)乘以。23片組合涂漆母線的載流量（A） 0 =70cC0a=25°C 表6»2-2rmm) 母寸厚(鋁銅交流直流交流直流2片3片2片3片2片3片2片3片40x4855109040x5965125050x51180152550x61315170060x61350172015551940174022401990249580x616302100205524602110272026303220193525003040247031703940100 x 62515324560x816802180184023302160279024853

9、02080x820402620240029752620337030953850100x823903050294536203060393038104690120x82650338033504250340043404400560060x102010265021102720256033002725353024103100344031003990445080x 1027353510100 x286036503350416036104650432553851032004100390048604100520050006250120 x10注：lo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

10、流量（A） 0c=70°C 0a=25°C表&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100x1041504989560460296656565070408313958410854120x10465057495771711876816500829097701125912735銅100x105300585264547086760872508910105911221113830120x1059006615743379548482835010540124231431616193注:計算條件為母線立放，可距10mm,母鄉(xiāng)E采用*旱接連接

11、。若為寸煤栓連接則表中數(shù)據(jù)乘以。雙槽形（）鋁母線載流量表（0尸70C）表6-2-4咼*寬*厚（mm）截面(mm2)載流量附加損耗 系數(shù)Kj25°C35°C40°C2 (75*35*1390267023502160022 (100*45水15502820248022800252 (100*45*6)20203500308028300352 (125*55*27404640408032760052 (150*65*7)3570565049704580082 (175*80*8)4880643056605210112687075506640612018(200*90*1

12、0)80808830777071502429760103009070835027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*380/12090*3275/41060*4195/32530*395/140100*3305/46070*4225/37540*3125/10020*470/11580*4260/4250*3155/23025*485/14090*4290/48060*3185/28030*4100/165100*-4320/53070*3215/32040*4130/220(200

13、*90*12)2(225*105*2(250*115*10900108009500875031矩形鋼母線載流量（Ot二70C）表6-2-5注：1.分子為交流負荷，分母為直流負荷。2.當(dāng)母線平放時，上表所列負荷對于寬度為60 mm以下時，應(yīng)減少5%,若寬度超過60 mm時，應(yīng)減少8肌3當(dāng)空氣的計算溫度不同于 +25°C時，釆用后表中所列系數(shù)。圓形及管形母線的載流量（070°C）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(nèi)外徑（mm）容許負荷（A）管子直徑容許負荷（A）銅鋁銅鋁內(nèi)徑（英 寸）外徑(mm)無縫有縱 縫61551208101901451/4757

14、19515010 132952253/890823518012153402801/21181032024514 184603403/41451241532018 2255542511801450539020 2460046511/22201556543525 2665050511/225516610/61547525 30830640232018720/72556029 3492572521/239019780/785605/61035 401100850345520835/840650/65540 451200935411167077021900/905695/70045 5013301040513780089022955/965740/74545 511510117061649001000251140/1165885/90050 5513801140271270/1290980/100056 6015851240281325/13601025/105053 6018651450301450/14901120/115560 65168513153