對于架(jia)空輸電(dian)(dian)線路(lu)(lu),除了導線電(dian)(dian)阻的有功(gong)損(sun)(sun)(sun)(sun)耗(hao)外,還有電(dian)(dian)暈損(sun)(sun)(sun)(sun)耗(hao)和沿絕緣子漏電(dian)(dian)所致的有功(gong)損(sun)(sun)(sun)(sun)耗(hao);對于電(dian)(dian)纜線路(lu)(lu),主要是介質損(sun)(sun)(sun)(sun)耗(hao)。 一般(ban)在架(jia)空線路(lu)(lu)中,由絕緣子泄露電(dian)(dian)流而產生的有功(gong)損(sun)(sun)(sun)(sun)耗(hao)極小,可忽(hu)略不記,...
電線(xian)(xian)電纜產品的節(jie)(jie)距(ju)包括束線(xian)(xian)節(jie)(jie)距(ju)、絞線(xian)(xian)節(jie)(jie)距(ju)、成纜節(jie)(jie)距(ju)、絕緣包帶節(jie)(jie)距(ju)、屏蔽包帶節(jie)(jie)距(ju)、墊層(ceng)繞包節(jie)(jie)距(ju)、鎧裝層(ceng)繞包節(jie)(jie)距(ju)等。 節(jie)(jie)距(ju)是指被絞合體(或繞包帶、線(xian)(xian))沿絞合軸線(xian)(xian)旋轉一周所前進的距(ju)離。&nbs...
一、銅絲:這是(shi)(shi)采(cai)(cai)用(yong)的最為(wei)多的原料,沒有之(zhi)一。采(cai)(cai)用(yong)電解銅作(zuo)為(wei)原料,經連鑄連軋(ya)工藝制成的的銅線稱(cheng)為(wei)低氧銅線;經上引法(fa)制成的銅線稱(cheng)為(wei)無氧銅線。二、鋁線:這是(shi)(shi)由于銅價(jia)逐年上升,銅電纜制造成本用(yong)作(zuo)電線用(yong)的鋁線都要進行退火軟化過(guo)。用(yong)作(zuo)電纜用(yong)的鋁線一般(ban)不...
對于(yu)架空輸電(dian)線路,除了(le)導(dao)線電(dian)阻的有(you)功損(sun)(sun)耗外(wai),還(huan)有(you)電(dian)暈損(sun)(sun)耗和(he)沿絕緣(yuan)子漏電(dian)所致(zhi)的有(you)功損(sun)(sun)耗;對于(yu)電(dian)纜線路,主要是介質(zhi)損(sun)(sun)耗。 一般在架空線路中,由絕緣(yuan)子泄露電(dian)流而產生的有(you)功損(sun)(sun)耗極小,可(ke)...
一、在對線纜進行存(cun)放的(de)時候,嚴(yan)禁與酸、堿及礦(kuang)物(wu)(wu)油類接觸,要與這些有(you)腐(fu)(fu)蝕性的(de)物(wu)(wu)質隔離存(cun)放;二、貯(zhu)存(cun)電(dian)纜的(de)庫房(fang)內(nei)不(bu)得有(you)破壞絕緣及腐(fu)(fu)蝕金屬的(de)有(you)害氣體存(cun)在;三、盡(jin)可能避免在露天以裸露方式存(cun)放電(dian)纜,電(dian)纜盤不(bu)允許平放;四、電(dian)纜在保管(guan)期...
電(dian)線電(dian)纜(lan)產品的(de)節(jie)距(ju)(ju)包(bao)(bao)(bao)(bao)(bao)括束線節(jie)距(ju)(ju)、絞(jiao)(jiao)線節(jie)距(ju)(ju)、成纜(lan)節(jie)距(ju)(ju)、絕緣包(bao)(bao)(bao)(bao)(bao)帶節(jie)距(ju)(ju)、屏蔽包(bao)(bao)(bao)(bao)(bao)帶節(jie)距(ju)(ju)、墊層(ceng)繞包(bao)(bao)(bao)(bao)(bao)節(jie)距(ju)(ju)、鎧(kai)裝層(ceng)繞包(bao)(bao)(bao)(bao)(bao)節(jie)距(ju)(ju)等。 節(jie)距(ju)(ju)是指被絞(jiao)(jiao)合體(或繞包(bao)(bao)(bao)(bao)(bao)帶、線)沿(yan)絞(jiao)(jiao)合軸線旋轉一(yi)周所前進的(de)距(ju)(ju)離。&nbs...
購買電線電纜產品(pin)(pin)時應(ying)仔細觀察產品(pin)(pin)的(de)合格(ge)證(zheng)對于產品(pin)(pin)型號、規格(ge)、額定電壓(ya)、芯數(shu)、生產日(ri)期、執(zhi)行標準、許可證(zheng)編號等(deng)相(xiang)(xiang)關信息是否標注齊全,產品(pin)(pin)實物表(biao)面應(ying)印有廠名、產品(pin)(pin)型號和額定電壓(ya)的(de)連續性標志,核實兩者相(xiang)(xiang)關的(de)信息是否一致。合格(ge)證(zheng)上都有長度標識,可先...
正確選(xuan)(xuan)擇電線(xian)電纜(lan)非常(chang)重(zhong)要(yao)(yao),怎樣選(xuan)(xuan)擇電線(xian)電纜(lan)是很多(duo)客戶咨詢的(de)問題,一(yi)起來學(xue)習一(yi)下:首先,選(xuan)(xuan)用(yong)電線(xian)電纜(lan)產品時,最好請教有經(jing)驗(yan)的(de)專業電工(gong),根據自己的(de)用(yong)電負(fu)荷來采用(yong)合(he)適(shi)截面大小和(he)電壓(ya)等級的(de)電纜(lan)。長(chang)(chang)度和(he)截面是一(yi)個重(zhong)要(yao)(yao)因素,合(he)格(ge)證上(shang)都有長(chang)(chang)度標識,可(ke)先估...
擴徑導(dao)線(xian)就是(shi)把普通的(de)導(dao)線(xian)做(zuo)成(cheng)中(zhong)空(里面(mian)用多股鋼芯線(xian)和支撐層(ceng)做(zuo)成(cheng))或者減少其中(zhong)部分層(ceng)單線(xian)數量(使該層(ceng)單線(xian)間存在一定數量空隙),最(zui)終達到增(zeng)加導(dao)線(xian)的(de)等效半徑的(de)目的(de)。當(dang)線(xian)路的(de)電(dian)壓超過220KV時,為(wei)了降低線(xian)路電(dian)抗和電(dian)暈損(sun)耗,通常采用擴徑導(dao)線(xian)。擴徑導(dao)...
擴徑導線(xian)適用(yong)于高(gao)低(di)壓輸電(dian)(dian)線(xian)中(zhong)電(dian)(dian)廠及變電(dian)(dian)站配(pei)電(dian)(dian)線(xian)路、母線(xian)等(deng)。減少電(dian)(dian)暈(yun)損失(shi)(shi),節約有色金(jin)屬,線(xian)膨脹系數(shu)較好(hao),電(dian)(dian)暈(yun)損失(shi)(shi)小,有良好(hao)的(de)散熱(re)性。一般(ban)在架(jia)空線(xian)路中(zhong),由絕(jue)緣(yuan)子(zi)泄露電(dian)(dian)流而產生的(de)有功損耗極小,可忽略(lve)不記,所以(yi)對(dui)架(jia)空線(xian)路主要考(kao)慮(lv)電(dian)(dian)暈(yun)損耗。由于架(jia)空線(xian)...
擴徑導線(xian)線(xian)膨脹系(xi)數較(jiao)好(hao)(hao),電(dian)(dian)(dian)(dian)(dian)(dian)暈損失小(xiao),有(you)(you)(you)良(liang)好(hao)(hao)的(de)散熱性。適用于(yu)高低(di)壓(ya)輸電(dian)(dian)(dian)(dian)(dian)(dian)線(xian)中(zhong)電(dian)(dian)(dian)(dian)(dian)(dian)廠及變電(dian)(dian)(dian)(dian)(dian)(dian)站配電(dian)(dian)(dian)(dian)(dian)(dian)線(xian)路(lu)(lu)、母線(xian)等。減少電(dian)(dian)(dian)(dian)(dian)(dian)暈損失,節約有(you)(you)(you)色金(jin)屬。對于(yu)架空輸電(dian)(dian)(dian)(dian)(dian)(dian)線(xian)路(lu)(lu),除了導線(xian)電(dian)(dian)(dian)(dian)(dian)(dian)阻的(de)有(you)(you)(you)功(gong)損耗(hao)外,還有(you)(you)(you)電(dian)(dian)(dian)(dian)(dian)(dian)暈損耗(hao)和沿(yan)絕緣子漏電(dian)(dian)(dian)(dian)(dian)(dian)所(suo)致的(de)有(you)(you)(you)功(gong)損耗(hao);對于(yu)電(dian)(dian)(dian)(dian)(dian)(dian)纜線(xian)路(lu)(lu),主要是介質...
PVC聚(ju)氯乙烯(以下(xia)簡稱PVC)絕緣材(cai)料(liao)是在PVC粉中添加穩定(ding)劑、增塑(su)劑、阻燃劑、潤(run)滑劑及(ji)其它助劑的(de)(de)(de)混(hun)合(he)物。針對電線電纜不(bu)(bu)同(tong)應(ying)用與不(bu)(bu)同(tong)的(de)(de)(de)特性需求,其配方做相應(ying)的(de)(de)(de)調整。經(jing)(jing)過幾十年的(de)(de)(de)生產和(he)使用,目前(qian)PVC制造及(ji)加工技術已經(jing)(jing)非常成熟(shu)。PV...
對于(yu)(yu)架空(kong)(kong)輸電(dian)(dian)(dian)線(xian)(xian)路(lu),除(chu)了導線(xian)(xian)電(dian)(dian)(dian)阻(zu)的(de)(de)有(you)(you)功(gong)損(sun)(sun)耗(hao)外,還有(you)(you)電(dian)(dian)(dian)暈(yun)(yun)損(sun)(sun)耗(hao)和沿(yan)絕緣(yuan)子(zi)(zi)漏電(dian)(dian)(dian)所致的(de)(de)有(you)(you)功(gong)損(sun)(sun)耗(hao);對于(yu)(yu)電(dian)(dian)(dian)纜(lan)線(xian)(xian)路(lu),主要是介質損(sun)(sun)耗(hao)。一般在架空(kong)(kong)線(xian)(xian)路(lu)中,由絕緣(yuan)子(zi)(zi)泄(xie)露電(dian)(dian)(dian)流(liu)而產生(sheng)的(de)(de)有(you)(you)功(gong)損(sun)(sun)耗(hao)極(ji)小(xiao),可忽略不記,所以對架空(kong)(kong)線(xian)(xian)路(lu)主要考(kao)慮電(dian)(dian)(dian)暈(yun)(yun)損(sun)(sun)耗(hao)。由于(yu)(yu)架空(kong)(kong)線(xian)(xian)路(lu)的(de)(de)絕緣(yuan)介質是...
一般來說,電(dian)(dian)線(xian)與電(dian)(dian)纜(lan)本質(zhi)上是(shi)(shi)沒有(you)什么區別(bie),國家標準也沒有(you)明文規(gui)定,但是(shi)(shi)電(dian)(dian)線(xian)與電(dian)(dian)纜(lan)還是(shi)(shi)有(you)區別(bie)的(de)。電(dian)(dian)線(xian)與電(dian)(dian)纜(lan)的(de)區別(bie),不(bu)是(shi)(shi)以額定電(dian)(dian)壓的(de)高低,也不(bu)是(shi)(shi)以幾何(he)尺寸大小,二(er)十以它的(de)外徑來區別(bie)。在(zai)電(dian)(dian)纜(lan)行業,我們習慣上將工(gong)(gong)藝結構復雜的(de)產品叫(jiao)電(dian)(dian)纜(lan),工(gong)(gong)藝結構比較...
電線電纜生產(chan)(chan)過程(cheng)(cheng)質量檢(jian)驗是(shi)按(an)照生產(chan)(chan)計劃(hua)單,工(gong)藝指導書和操(cao)作(zuo)規程(cheng)(cheng)的(de)(de)(de)要(yao)求進行驗證檢(jian)驗的(de)(de)(de),檢(jian)驗的(de)(de)(de)形式多(duo)種多(duo)樣,本(ben)文(wen)著重闡(chan)述按(an)生產(chan)(chan)過程(cheng)(cheng)分(fen)類的(de)(de)(de)產(chan)(chan)品過程(cheng)(cheng)檢(jian)驗,即首(shou)件(jian)(jian)檢(jian)驗,巡回檢(jian)驗,完工(gong)檢(jian)驗。一(yi).首(shou)件(jian)(jian)檢(jian)驗首(shou)件(jian)(jian)檢(jian)驗應該是(shi)十分(fen)重要(yao)的(de)(de)(de),因為在開始(shi)時(shi)能(neng)夠發現問題...
在銷售弱(ruo)(ruo)電(dian)(dian)線(xian)纜(lan)(lan)(lan)的(de)過(guo)程(cheng)中,不管是(shi)線(xian)上(shang)還是(shi)線(xian)下(xia),很多客戶會問(wen)到辨(bian)別(bie)(bie)弱(ruo)(ruo)電(dian)(dian)線(xian)纜(lan)(lan)(lan)質量(liang)問(wen)題(ti),怎么(me)來辨(bian)別(bie)(bie)?以(yi)下(xia)是(shi)遼(liao)寧(ning)大元(yuan)電(dian)(dian)纜(lan)(lan)(lan)小(xiao)編(bian)整(zheng)理的(de)關于5個(ge)辨(bian)別(bie)(bie)弱(ruo)(ruo)電(dian)(dian)線(xian)纜(lan)(lan)(lan)質量(liang)問(wen)題(ti)的(de)方(fang)法,歡迎借(jie)鑒!辨(bian)別(bie)(bie)弱(ruo)(ruo)電(dian)(dian)線(xian)纜(lan)(lan)(lan)質量(liang)問(wen)題(ti)的(de)五(wu)個(ge)方(fang)法:1.護套:表面(mian)能看出壓(ya)緊(jin)里面(mian)編(bian)網有規律的(de)&...
電(dian)(dian)線電(dian)(dian)纜在工作的(de)時候電(dian)(dian)阻(zu)會產生熱量這(zhe)是大家都知道(dao)的(de)事實(shi)。電(dian)(dian)線電(dian)(dian)纜的(de)導線功(gong)率都非常小,發熱功(gong)率也有專(zhuan)業(ye)公式可以計算出來(lai):q=I^2R。Q=I^2R表示通過(guo)導體的(de)電(dian)(dian)流越大,它的(de)加熱功(gong)率越大(R基本上是恒(heng)定的(de));如果(guo)電(dian)(dian)流恒(heng)定,則導線的(de)發...
改革開放以(yi)(yi)后,公(gong)共(gong)事業和住宅建(jian)設發展迅速(su),家用電(dian)氣設備(bei)和其(qi)它用電(dian)設備(bei)日漸增多。但不(bu)可忽視的(de)是(shi)在每(mei)年發生的(de)火災中(zhong)(zhong)(zhong),電(dian)氣火災也(ye)呈(cheng)上升(sheng)趨勢。在短短的(de)幾年中(zhong)(zhong)(zhong),電(dian)氣火災比例增長一倍以(yi)(yi)上,其(qi)中(zhong)(zhong)(zhong)相(xiang)當一部(bu)分(fen)是(shi)由電(dian)纜電(dian)線的(de)絕緣損壞、過熱自燃、接(jie)觸不(bu)良(liang)、電(dian)纜單...
冬季(ji)嚴寒,許多施工人員(yuan)(yuan)在(zai)敷設安裝電(dian)線(xian)電(dian)纜(lan)(lan)(lan)的(de)時(shi)候會發現(xian),平(ping)時(shi)質量良好的(de)電(dian)線(xian)電(dian)纜(lan)(lan)(lan)產(chan)品,經常會出(chu)現(xian)一些(xie)線(xian)體發硬(ying)、絕緣外皮脫(tuo)落受損(sun)等(deng)現(xian)象,很(hen)多施工人員(yuan)(yuan)以為是(shi)(shi)電(dian)線(xian)電(dian)纜(lan)(lan)(lan)產(chan)品本身出(chu)現(xian)了質量問題,而電(dian)纜(lan)(lan)(lan)廠(chang)家也堅(jian)持產(chan)品在(zai)出(chu)廠(chang)時(shi)已(yi)經經過檢驗,是(shi)(shi)合格的(de)產(chan)品,常常...
對于(yu)架(jia)空(kong)(kong)輸電(dian)(dian)線(xian)路(lu)(lu),除了(le)導線(xian)電(dian)(dian)阻的(de)有(you)(you)功損(sun)耗外,還(huan)有(you)(you)電(dian)(dian)暈(yun)損(sun)耗和沿(yan)絕(jue)(jue)緣子漏電(dian)(dian)所(suo)(suo)致(zhi)的(de)有(you)(you)功損(sun)耗;對于(yu)電(dian)(dian)纜線(xian)路(lu)(lu),主(zhu)要(yao)是(shi)介質損(sun)耗。一般在(zai)架(jia)空(kong)(kong)線(xian)路(lu)(lu)中,由絕(jue)(jue)緣子泄露電(dian)(dian)流而產生的(de)有(you)(you)功損(sun)耗極小,可忽略不記,所(suo)(suo)以對架(jia)空(kong)(kong)線(xian)路(lu)(lu)主(zhu)要(yao)考慮電(dian)(dian)暈(yun)損(sun)耗。由于(yu)架(jia)空(kong)(kong)線(xian)路(lu)(lu)的(de)絕(jue)(jue)緣介質是(shi)...
電(dian)線電(dian)纜(lan)老(lao)(lao)化(hua)(hua)故障(zhang)的(de)(de)原(yuan)因(yin)(yin)(yin)(yin)有很多種,最直接原(yuan)因(yin)(yin)(yin)(yin)是絕緣降低而被擊穿(chuan)。導敏絕緣降低的(de)(de)因(yin)(yin)(yin)(yin)素很多,根據實際(ji)運(yun)行(xing)經驗(yan),遼寧大元電(dian)纜(lan)小編歸納起來以下幾(ji)種情況(kuang)。電(dian)纜(lan)老(lao)(lao)化(hua)(hua)的(de)(de)幾(ji)點原(yuan)因(yin)(yin)(yin)(yin)1)電(dian)纜(lan)老(lao)(lao)化(hua)(hua)原(yuan)因(yin)(yin)(yin)(yin):外力損傷(shang)。由近幾(ji)年的(de)(de)運(yun)行(xing)分析來看,尤其是在經濟高速發展中的(de)(de)海...
電線(xian)(xian)電纜已經成為(wei)國(guo)(guo)民(min)經濟發(fa)展的(de)(de)支柱(zhu),在我們(men)的(de)(de)生活中任何的(de)(de)領域都已經離不開線(xian)(xian)纜。隨(sui)著(zhu)節能(neng)環保的(de)(de)不斷提(ti)倡,生產和(he)制造(zao)環保無(wu)公害的(de)(de)產品已經成為(wei)全球性(xing)發(fa)展的(de)(de)趨勢。如何推動電線(xian)(xian)電纜的(de)(de)發(fa)展呢?1、產品研(yan)發(fa):目前國(guo)(guo)際上(shang)環保的(de)(de)法規越來越多(duo),對線(xian)(xian)纜企業的(de)(de)生產...
對(dui)(dui)于排(pai)擠(ji)(ji)輸電(dian)線(xian)(xian)路,除導線(xian)(xian)電(dian)阻的(de)有(you)功(gong)消耗外,還有(you)電(dian)暈消耗和(he)沿(yan)盡緣(yuan)(yuan)子漏(lou)電(dian)而至的(de)有(you)功(gong)消耗;對(dui)(dui)于電(dian)纜線(xian)(xian)路,主要是(shi)介(jie)質消耗。一般在排(pai)擠(ji)(ji)線(xian)(xian)路中(zhong),由盡緣(yuan)(yuan)子泄露電(dian)流(liu)而發生的(de)有(you)功(gong)消耗極(ji)小,可疏忽不記,所以對(dui)(dui)排(pai)擠(ji)(ji)線(xian)(xian)路主要斟酌(zhuo)電(dian)暈消耗。由于排(pai)擠(ji)(ji)線(xian)(xian)路的(de)盡緣(yuan)(yuan)介(jie)質是(shi)空...
電(dian)(dian)(dian)線電(dian)(dian)(dian)纜(lan)在(zai)我國的(de)(de)(de)基礎建(jian)設當(dang)中起到了很(hen)重要的(de)(de)(de)鏈(lian)接(jie)作(zuo)用,隨(sui)著(zhu)我國的(de)(de)(de)不(bu)斷(duan)發(fa)展,對于(yu)動力電(dian)(dian)(dian)纜(lan)行業(ye)來說,針對不(bu)斷(duan)變化的(de)(de)(de)幣(bi)(bi)場和需求(qiu),傳統的(de)(de)(de)行業(ye)模式已經不(bu)能適應幣(bi)(bi)場發(fa)展,所(suo)以對于(yu)很(hen)多企業(ye)來說,行業(ye)的(de)(de)(de)轉變刻不(bu)容緩。我國電(dian)(dian)(dian)線電(dian)(dian)(dian)纜(lan)行業(ye)仍然是繼續(xu)發(fa)展的(de)(de)(de)趨勢,但是...
冬季嚴寒,許多施工人員在敷設(she)安裝電(dian)線(xian)(xian)(xian)電(dian)纜的時(shi)候會發現(xian),平時(shi)質量良好的電(dian)線(xian)(xian)(xian)電(dian)纜產品(pin)(pin),經(jing)常會出(chu)現(xian)一些線(xian)(xian)(xian)體發硬(ying)、絕(jue)緣外皮脫落(luo)受損等(deng)現(xian)象(xiang),很多施工人員以為是電(dian)線(xian)(xian)(xian)電(dian)纜產品(pin)(pin)本身(shen)出(chu)現(xian)了(le)質量問題,而電(dian)纜廠家也堅持產品(pin)(pin)在出(chu)廠時(shi)已經(jing)...
對(dui)于架(jia)空(kong)輸電線(xian)路(lu),除了導線(xian)電阻的有(you)功損耗外,還有(you)電暈(yun)損耗和沿(yan)絕緣子漏電所致的有(you)功損耗;對(dui)于電纜線(xian)路(lu),主要是介(jie)質損耗。 一(yi)般在架(jia)空(kong)線(xian)路(lu)中,由絕緣子泄露電流而產生的有(you)功損耗極小(xiao),可(ke)忽略不(bu)記,...
航(hang)空(kong)航(hang)天(tian)、機車(che)車(che)輛、能源、鋼鐵(tie)、有色金屬冶煉(lian)、石油開(kai)采、電機、建設等領(ling)域需用耐高溫電線電纜。長(chang)期連續工(gong)作溫度(du)(du)125度(du)(du)、135度(du)(du)、150度(du)(du)、180度(du)(du)、200度(du)(du)、250度(du)(du)及250度(du)(du)以上(shang)的(de)耐高...
為了(le)增強人們(men)的(de)(de)安(an)全意識,保(bao)障(zhang)生活安(an)全與(yu)財產安(an)全,提(ti)高電氣(qi)系統的(de)(de)安(an)全可靠性,大(da)元電纜(lan)小編總結出(chu)安(an)全用(yong)電的(de)(de)幾(ji)點小常(chang)識:1.總閘處保(bao)險絲(si)的(de)(de)選(xuan)用(yong)要(yao)合理,不允許使用(yong)銅絲(si)、鋁絲(si)或(huo)鐵絲(si)來代(dai)替。2.所有的(de)(de)大(da)功(gong)率(lv)或(huo)者有相關使用(yong)說明...
在購買(mai)電(dian)(dian)(dian)(dian)線(xian)的(de)時(shi)候,相信大(da)家都碰到強電(dian)(dian)(dian)(dian)和弱電(dian)(dian)(dian)(dian)這2個概念,那么它們的(de)區(qu)別(bie)(bie)大(da)家知道嗎?今天大(da)元電(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)纜小編一分鐘教你辨別(bie)(bie)它們的(de)區(qu)別(bie)(bie),因為(wei)(wei)(wei)高壓而稱之(zhi)為(wei)(wei)(wei)強電(dian)(dian)(dian)(dian),因為(wei)(wei)(wei)低(di)壓而稱之(zhi)為(wei)(wei)(wei)弱電(dian)(dian)(dian)(dian)嗎?顯(xian)然不是(shi)的(de)!一、強電(dian)(dian)(dian)(dian)和弱電(dian)(dian)(dian)(dian)的(de)區(qu)別(bie)(bie)&nbs...
電(dian)(dian)線(xian)電(dian)(dian)纜的制造與(yu)大多(duo)(duo)數機電(dian)(dian)產(chan)品(pin)的生(sheng)產(chan)方式是完全不同的。機電(dian)(dian)產(chan)品(pin)通常采用將另件(jian)裝配成(cheng)部(bu)件(jian)、多(duo)(duo)個部(bu)件(jian)再裝配成(cheng)單臺產(chan)品(pin),產(chan)品(pin)以(yi)(yi)臺數或(huo)件(jian)數計量(liang)。電(dian)(dian)線(xian)電(dian)(dian)纜是以(yi)(yi)長度(du)為(wei)基(ji)本計量(liang)單位...
耐熱(re)(re)鋁(lv)(lv)合金導(dao)線適用于架(jia)空(kong)輸(shu)電線路,長期工作(zuo)強度可(ke)(ke)達150℃,在相同條(tiao)件下,其傳輸(shu)容量(liang)比普通產(chan)品可(ke)(ke)提高60%。一(yi)、產(chan)品執(zhi)行標準:本產(chan)品執(zhi)行企業標準Q/09TDL030—1999。耐熱(re)(re)鋁(lv)(lv)合金導(dao)線系(xi)列主要有(you)四種產(chan)品:1、普通型耐熱(re)(re)鋁(lv)(lv)合金導(dao)線2、高...
一要(yao)看(kan)(kan)(kan),看(kan)(kan)(kan)有無質(zhi)量體系認證(zheng)書;看(kan)(kan)(kan)合格證(zheng)是(shi)否(fou)規范(fan);看(kan)(kan)(kan)有無廠名、廠址、檢驗章、生產日(ri)期;看(kan)(kan)(kan)電線上是(shi)否(fou)印有商標、規格、電壓等(deng)。還(huan)要(yao)看(kan)(kan)(kan)電線銅(tong)芯的橫斷面,優等(deng)品紫銅(tong)顏色光亮、色澤柔和,否(fou)則便是(shi)次品。二要(yao)試,可取一根電線頭(tou)用手(shou)反復彎曲,凡是(shi)手(shou)感柔軟、抗(kang)...
大元電(dian)纜廠家(jia)利用(yong)引進的部分關(guan)鍵專用(yong)設(she)備(bei)和(he)(he)技術添加鋁鋯合金,將熔鋁燃煤(mei)(mei)爐改造成(cheng)熔鋁燃油或天然氣爐,全(quan)部消除(chu)熔鋁燃煤(mei)(mei)爐燃煤(mei)(mei)煙(yan)塵和(he)(he)煙(yan)氣的排放(fang),并設(she)置煙(yan)氣過濾裝置凈化煙(yan)氣,提(ti)高排放(fang)質量,提(ti)高成(cheng)品率,降(jiang)低成(cheng)本,同時使導(dao)線工作溫度從70℃提(ti)高到150℃...
特高(gao)強度鋼(gang)芯(xin)耐(nai)(nai)熱(re)150℃鋁(lv)合(he)金導(dao)(dao)(dao)(dao)線(xian)(xian)。也叫高(gao)強耐(nai)(nai)熱(re)鋁(lv)合(he)金導(dao)(dao)(dao)(dao)線(xian)(xian)主要適用(yong)于高(gao)壓輸電(dian)線(xian)(xian)路(lu)作架空導(dao)(dao)(dao)(dao)線(xian)(xian)用(yong)。大元電(dian)纜作為國內(nei)首條(tiao)鋼(gang)芯(xin)耐(nai)(nai)熱(re)鋁(lv)合(he)金導(dao)(dao)(dao)(dao)線(xian)(xian)的制造(zao)者,高(gao)品質(zhi)的質(zhi)量和(he)較低的市(shi)場價(jia)格(ge),一直(zhi)領導(dao)(dao)(dao)(dao)耐(nai)(nai)熱(re)鋁(lv)合(he)金導(dao)(dao)(dao)(dao)線(xian)(xian)的市(shi)...
耐(nai)(nai)熱(re)(re)(re)鋁合(he)(he)鋼芯鋁絞線(xian)適用于(yu)架(jia)空輸(shu)電線(xian)路,長期(qi)工作強度(du)可(ke)達150℃,在相(xiang)同條件下,其傳(chuan)輸(shu)容(rong)量比普通產(chan)品(pin)可(ke)提(ti)高(gao)60%。一、耐(nai)(nai)熱(re)(re)(re)鋁合(he)(he)金(jin)(jin)導(dao)(dao)線(xian)系列主要(yao)有(you)四(si)種產(chan)品(pin):1、普通型耐(nai)(nai)熱(re)(re)(re)鋁合(he)(he)金(jin)(jin)導(dao)(dao)線(xian)2、高(gao)強度(du)間(jian)隙型耐(nai)(nai)熱(re)(re)(re)鋁合(he)(he)金(jin)(jin)導(dao)(dao)線(xian)3、超(chao)耐(nai)(nai)熱(re)(re)(re)低弛度(du)倍(bei)容(rong)導(dao)(dao)線(xian)4、61T耐(nai)(nai)...
耐熱鋁(lv)合金鋼(gang)芯導(dao)線(xian)(xian)是單(dan)層(ceng)(ceng)或多層(ceng)(ceng)鋁(lv)股線(xian)(xian)絞(jiao)(jiao)合在鍍鋅(xin)鋼(gang)芯線(xian)(xian)外的(de)加強型導(dao)線(xian)(xian)。主要應(ying)用于(yu)電力和輸電線(xian)(xian)路行業。一、耐熱鋁(lv)合金鋼(gang)芯導(dao)線(xian)(xian)的(de)結(jie)構: 鋼(gang)芯鋁(lv)絞(jiao)(jiao)線(xian)(xian)是由(you)鋁(lv)線(xian)(xian)和鋼(gang)線(xian)(xian)絞(jiao)(jiao)合而成的(de),適用于(yu)架空(kong)輸電線(xian)(xian)路用。 ...
對(dui)(dui)于排(pai)擠(ji)輸(shu)電(dian)(dian)線路(lu)(lu),除導線電(dian)(dian)阻的(de)有功消(xiao)耗(hao)(hao)外,還有電(dian)(dian)暈消(xiao)耗(hao)(hao)和(he)沿盡緣(yuan)子漏(lou)電(dian)(dian)而至的(de)有功消(xiao)耗(hao)(hao);對(dui)(dui)于電(dian)(dian)纜線路(lu)(lu),主要是介質消(xiao)耗(hao)(hao),一(yi)般(ban)在排(pai)擠(ji)線路(lu)(lu)中,由(you)盡緣(yuan)子泄露電(dian)(dian)流(liu)而發生的(de)有功消(xiao)耗(hao)(hao)極小,可疏忽不記,所以對(dui)(dui)排(pai)擠(ji)線路(lu)(lu)主要斟(zhen)酌電(dian)(dian)暈消(xiao)耗(hao)(hao)。由(you)于架空線路(lu)(lu)的(de)絕緣(yuan)介質是空...
耐熱鋁(lv)合金鋼(gang)芯導線是由鋁(lv)線和鋼(gang)線絞合而成的,適用于架空輸電(dian)線路用。它內(nei)部是鋼(gang)“芯”,外部是用鋁(lv)線通過絞合方式(shi)纏繞(rao)在(zai)鋼(gang)芯周圍;鋼(gang)芯主要起增加強度(du)的作(zuo)用,鋁(lv)絞線主要起傳送(song)電(dian)能(neng)的作(zuo)用;1.耐熱鋁(lv)合金鋼(gang)芯導線英文(wen)名稱:alu...
假冒(mao)劣(lie)(lie)質電(dian)(dian)線電(dian)(dian)纜(lan)生產(chan)者為了獲取暴利(li),不(bu)顧廣(guang)大(da)消費者的(de)(de)利(li)益,大(da)量(liang)生產(chan)劣(lie)(lie)質電(dian)(dian)線電(dian)(dian)纜(lan)產(chan)品,擾亂電(dian)(dian)線電(dian)(dian)纜(lan)市場,損(sun)害(hai)廣(guang)大(da)用戶的(de)(de)利(li)益。所以(yi),正確(que)選擇電(dian)(dian)線電(dian)(dian)纜(lan)顯(xian)得(de)非常重要,什么樣(yang)的(de)(de)產(chan)品才(cai)合(he)格呢?電(dian)(dian)線電(dian)(dian)纜(lan)作為電(dian)(dian)力傳輸的(de)(de)主(zhu)要載體,廣(guang)泛(fan)應用于電(dian)(dian)器(qi)裝備(bei)、照明線路...
電(dian)線(xian)(xian)電(dian)纜作為電(dian)力(li)傳(chuan)輸的(de)主(zhu)要載體,廣泛應用于電(dian)器裝備、照(zhao)明線(xian)(xian)路、家(jia)用電(dian)器等(deng)方面,鐵嶺大(da)元電(dian)纜小(xiao)編(bian)給大(da)家(jia)普及(ji)下小(xiao)知識:選(xuan)購電(dian)線(xian)(xian)電(dian)纜時注意以下幾點:1.產(chan)(chan)(chan)品(pin)的(de)標識。選(xuan)購電(dian)線(xian)(xian)電(dian)纜產(chan)(chan)(chan)品(pin)時應觀察產(chan)(chan)(chan)品(pin)的(de)合(he)格(ge)證對(dui)于產(chan)(chan)(chan)品(pin)型號、規(gui)格(ge)、額定電(dian)壓、芯(xin)數(shu)、生產(chan)(chan)(chan)日期、...
電(dian)(dian)線電(dian)(dian)纜是施工過程(cheng)不可缺少的材料,一旦電(dian)(dian)纜起火,將會引起嚴重火災(zai)和停電(dian)(dian)事(shi)故,此外(wai),電(dian)(dian)纜燃燒時產生(sheng)大量(liang)濃煙(yan)和毒(du)氣,不僅污(wu)染環境,而且危及人(ren)的生(sheng)命安(an)(an)全。據筆者統(tong)計,去年發生(sheng)的電(dian)(dian)線電(dian)(dian)纜火災(zai)事(shi)故,占電(dian)(dian)氣火災(zai)事(shi)故總數(shu)的40%左右。為了增(zeng)強人(ren)們的安(an)(an)全意...
與中國(guo)不(bu)同的(de)(de)西方(fang)國(guo)家是一個完全(quan)的(de)(de)私(si)有(you)制國(guo)家,國(guo)際"IEC"標(biao)準的(de)(de)前身最初(chu)也(ye)是誕生(sheng)在單個企業(ye)主地盤的(de)(de)產(chan)(chan)物(wu)。中國(guo)是世界上最大電線電纜生(sheng)產(chan)(chan)國(guo),全(quan)球名(ming)列第一的(de)(de)年7000億的(de)(de)產(chan)(chan)值(zhi)。電線電纜產(chan)(chan)業(ye)發展迅速,對(dui)工業(ye)經濟的(de)(de)支撐作用日(ri)益明顯...
擴(kuo)徑(jing)導(dao)(dao)線(xian)(xian)是(shi)以滿足(zu)技(ji)術條件的(de)(de)常(chang)規導(dao)(dao)線(xian)(xian)規格為(wei)基(ji)準,采取擴(kuo)大(da)導(dao)(dao)線(xian)(xian)外(wai)徑(jing)技(ji)術,在保證電(dian)暈(yun)所要求的(de)(de)導(dao)(dao)線(xian)(xian)外(wai)徑(jing)前提下,減(jian)少導(dao)(dao)線(xian)(xian)的(de)(de)鋁截面,從而減(jian)少導(dao)(dao)線(xian)(xian)的(de)(de)總重(zhong)量(liang),減(jian)少鐵塔荷載和結構重(zhong)量(liang),極(ji)大(da)地降低線(xian)(xian)路造價。交流輸電(dian)線(xian)(xian)路的(de)(de)電(dian)暈(yun)損失主要與導(dao)(dao)線(xian)(xian)表面場強和天氣有關,...
電線電纜行(xing)業發(fa)展迅速(su),到現在(zai)已(yi)經是我(wo)國第二大產業,現在(zai)已(yi)經是到了(le)最為巔峰的(de)時期,相信要想百尺竿(gan)頭更(geng)進一步,還是有(you)(you)不(bu)小的(de)阻(zu)力(li)。盡管(guan)電線電纜行(xing)業發(fa)展也這么(me)多(duo)年了(le),但是關于(yu)電線電纜的(de)制造原料還是有(you)(you)很多(duo)外(wai)行(xing)不(bu)了(le)解,今天小...
對于(yu)架空(kong)輸電(dian)線路,除了(le)導(dao)線電(dian)阻(zu)的有(you)功損耗(hao)外,還有(you)電(dian)暈損耗(hao)和(he)沿絕緣(yuan)子(zi)漏電(dian)所致的有(you)功損耗(hao);對于(yu)電(dian)纜線路,主(zhu)要是介質(zhi)損耗(hao)。 一般在架空(kong)線路中(zhong),由絕緣(yuan)子(zi)泄(xie)露(lu)電(dian)流而產生(sheng)的有(you)功損耗(hao)極小,可...
1、資料的(de)(de)差異(yi):電(dian)線(xian)用于承載電(dian)流的(de)(de)導(dao)電(dian)金屬(shu)線(xian)材。有實心的(de)(de)﹑絞合的(de)(de)或(huo)箔片織造(zao)的(de)(de)等各種形(xing)式(shi)。按絕(jue)緣(yuan)情況(kuang)分為裸電(dian)線(xian)和絕(jue)緣(yuan)電(dian)線(xian)兩(liang)大類。電(dian)纜由一根或(huo)多(duo)根彼此絕(jue)緣(yuan)的(de)(de)導(dao)電(dian)線(xian)心置于密封護(hu)(hu)套中構成的(de)(de)絕(jue)緣(yuan)導(dao)線(xian)。其外(wai)可(ke)加(jia)維護(hu)(hu)覆蓋層,電(dian)線(xian)與電(dian)纜的(de)(de)差異(yi)在于電(dian)線(xian)的(de)(de)尺度(du)...
1、資料的(de)(de)差異(yi):電(dian)線(xian)(xian)用于(yu)承載電(dian)流的(de)(de)導(dao)(dao)電(dian)金屬線(xian)(xian)材。有實(shi)心(xin)的(de)(de)﹑絞合的(de)(de)或箔片織造的(de)(de)等(deng)各種形(xing)式。按絕(jue)緣(yuan)(yuan)情況分為裸電(dian)線(xian)(xian)和絕(jue)緣(yuan)(yuan)電(dian)線(xian)(xian)兩大類。電(dian)纜(lan)由一根或多(duo)根彼此絕(jue)緣(yuan)(yuan)的(de)(de)導(dao)(dao)電(dian)線(xian)(xian)心(xin)置于(yu)密封(feng)護套中構成(cheng)的(de)(de)絕(jue)緣(yuan)(yuan)導(dao)(dao)線(xian)(xian)。其外可加(jia)維護覆(fu)蓋層,電(dian)線(xian)(xian)與電(dian)纜(lan)的(de)(de)差異(yi)在于(yu)電(dian)線(xian)(xian)的(de)(de)尺度...