早在(zai)1921年就開始用于架空線(xian)。隨著輸(shu)變電(dian)技術(shu)的(de)(de)提高和輸(shu)變電(dian)線(xian)路的(de)(de)發(fa)展,遼寧(ning)大(da)元電(dian)纜憑(ping)借30年的(de)(de)生(sheng)產(chan)(chan)和研發(fa)經(jing)驗,先進的(de)(de)生(sheng)產(chan)(chan)設備,完備檢測手段(duan),鋁合(he)金導線(xian)愈(yu)來愈(yu)顯示其(qi)優越性。使得產(chan)(chan)出的(de)(de)鋁合(he)金導線(xian)與(yu)鋼芯(xin)鋁絞線(xian)相比(bi),有(you)其(qi)不可(ke)比(bi)擬的(de)(de)優點決定(ding)的(de)(de)。(與(yu)...
電線(xian)電纜產品(pin)的(de)(de)節(jie)距(ju)(ju)包(bao)(bao)(bao)括束(shu)線(xian)節(jie)距(ju)(ju)、絞線(xian)節(jie)距(ju)(ju)、成纜節(jie)距(ju)(ju)、絕緣包(bao)(bao)(bao)帶(dai)(dai)節(jie)距(ju)(ju)、屏(ping)蔽包(bao)(bao)(bao)帶(dai)(dai)節(jie)距(ju)(ju)、墊層繞包(bao)(bao)(bao)節(jie)距(ju)(ju)、鎧裝層繞包(bao)(bao)(bao)節(jie)距(ju)(ju)等。 節(jie)距(ju)(ju)是指(zhi)被絞合(he)體(ti)(或(huo)繞包(bao)(bao)(bao)帶(dai)(dai)、線(xian))沿絞合(he)軸線(xian)旋轉一周(zhou)所前進(jin)的(de)(de)距(ju)(ju)離。&nbs...
以下為五種常見的(de)導致(zhi)橡(xiang)(xiang)(xiang)套(tao)電纜出現外觀(guan)缺(que)陷的(de)原因:1.模套(tao)承線(xian)太長或太短、模口(kou)不光滑且孔徑太大;機頭(tou)、模口(kou)或機身溫(wen)度低(di);橡(xiang)(xiang)(xiang)料塑(su)性小(xiao)等均有(you)可(ke)能導致(zhi)橡(xiang)(xiang)(xiang)套(tao)電纜表面不光滑。2.供給(gei)的(de)橡(xiang)(xiang)(xiang)膠不干凈,含(han)有(you)雜(za)質(zhi);膠料焦燒時間(jian)太短;擠(ji)橡(xiang)(xiang)(xiang)機身、機頭(tou)或口(kou)模溫(wen)度太高...
電(dian)線(xian)電(dian)纜(lan)(lan)(lan)(lan)的(de)(de)種(zhong)(zhong)類隨著應用領域(yu)的(de)(de)不斷擴大(da)(da)而(er)出現了越(yue)來越(yue)細的(de)(de)分(fen)類,在很多特(te)殊的(de)(de)領域(yu)對(dui)電(dian)線(xian)電(dian)纜(lan)(lan)(lan)(lan)的(de)(de)應用有著專業(ye)而(er)特(te)殊的(de)(de)要求,特(te)種(zhong)(zhong)電(dian)纜(lan)(lan)(lan)(lan)就是一個(ge)越(yue)來越(yue)龐大(da)(da)的(de)(de)支(zhi)線(xian)分(fen)類。那么(me)什么(me)叫(jiao)特(te)種(zhong)(zhong)電(dian)纜(lan)(lan)(lan)(lan)呢?特(te)種(zhong)(zhong)電(dian)纜(lan)(lan)(lan)(lan)是相(xiang)當(dang)于量(liang)大(da)(da)面(mian)廣的(de)(de)普通電(dian)線(xian)電(dian)纜(lan)(lan)(lan)(lan)來說的(de)(de),是一系列(lie)具有獨特(te)結構...
一、電(dian)(dian)纜(lan)按應用分(fen)(fen):(1)電(dian)(dian)力系(xi)統:架空裸電(dian)(dian)線(xian)(xian)(xian)(xian)、匯流(liu)排(母(mu)線(xian)(xian)(xian)(xian))、電(dian)(dian)力電(dian)(dian)纜(lan)(塑料(liao)線(xian)(xian)(xian)(xian)纜(lan)、油紙電(dian)(dian)纜(lan)(基本被塑料(liao)電(dian)(dian)力電(dian)(dian)纜(lan)代(dai)(dai)替)、橡套線(xian)(xian)(xian)(xian)纜(lan)、架空絕緣電(dian)(dian)纜(lan))、分(fen)(fen)支電(dian)(dian)纜(lan)(取代(dai)(dai)部分(fen)(fen)母(mu)線(xian)(xian)(xian)(xian))、電(dian)(dian)磁線(xian)(xian)(xian)(xian)以及電(dian)(dian)氣設備用線(xian)(xian)(xian)(xian)電(dian)(dian)纜(lan)等。(2)信息傳(chuan)輸系(xi)統:市話電(dian)(dian)纜(lan)、電(dian)(dian)視電(dian)(dian)纜(lan)、...
直流(liu)電(dian)(dian)(dian)(dian)纜(lan)(lan)與交(jiao)流(liu)電(dian)(dian)(dian)(dian)纜(lan)(lan)相比有(you)以下特點: 1、所用系(xi)(xi)統不同(tong)。直流(liu)電(dian)(dian)(dian)(dian)纜(lan)(lan)用于整流(liu)后的(de)直流(liu)輸電(dian)(dian)(dian)(dian)系(xi)(xi)統中,交(jiao)流(liu)電(dian)(dian)(dian)(dian)纜(lan)(lan)常(chang)用于工頻(國(guo)內50Hz)的(de)電(dian)(dian)(dian)(dian)力系(xi)(xi)統中。 2、與交(jiao)流(liu)電(dian)(dian)(dian)(dian)纜(lan)(lan)相比,直流(liu)電(dian)(dian)(dian)(dian)纜(lan)(lan)的(de)傳輸過程(cheng)中的(de)電(dian)(dian)(dian)(dian)能損耗較小。直流(liu)電(dian)(dian)(dian)(dian)纜(lan)(lan)的(de)電(dian)(dian)(dian)(dian)能損耗主要是...
1、保(bao)護(hu)層(ceng)腐(fu)蝕(shi):地(di)下雜散電流的(de)電化(hua)(hua)腐(fu)蝕(shi)或非(fei)中性土壤的(de)化(hua)(hua)學腐(fu)蝕(shi)使(shi)保(bao)護(hu)層(ceng)失效,失去(qu)對絕緣的(de)保(bao)護(hu)作用。解決辦法是,在雜散電流密(mi)集區(qu)安裝(zhuang)排(pai)流設(she)備;當電纜線路上的(de)局部土壤含有損害電纜鉛包(bao)的(de)化(hua)(hua)學物質時,應將這段電纜裝(zhuang)于管(guan)內,并(bing)用中性土壤作電纜的(de)襯墊(dian)及覆...
購買電(dian)(dian)線電(dian)(dian)纜產(chan)品(pin)(pin)時(shi)應仔細觀察(cha)產(chan)品(pin)(pin)的合(he)格(ge)證(zheng)對于產(chan)品(pin)(pin)型號、規格(ge)、額定電(dian)(dian)壓、芯數、生產(chan)日期、執(zhi)行(xing)標(biao)準、許可(ke)證(zheng)編號等相(xiang)關信息(xi)是否標(biao)注齊全,產(chan)品(pin)(pin)實(shi)物表面應印有廠名、產(chan)品(pin)(pin)型號和額定電(dian)(dian)壓的連(lian)續性標(biao)志(zhi),核實(shi)兩者相(xiang)關的信息(xi)是否一致。合(he)格(ge)證(zheng)上都有長(chang)度標(biao)識,可(ke)先...
正確選擇電(dian)(dian)線(xian)電(dian)(dian)纜非常重要,怎樣選擇電(dian)(dian)線(xian)電(dian)(dian)纜是很多客戶咨詢(xun)的(de)問題(ti),一(yi)起來學習一(yi)下:首先,選用電(dian)(dian)線(xian)電(dian)(dian)纜產品時,最(zui)好請(qing)教有(you)經驗的(de)專(zhuan)業電(dian)(dian)工,根據自(zi)己的(de)用電(dian)(dian)負荷來采(cai)用合(he)適截(jie)面(mian)大小和電(dian)(dian)壓等級的(de)電(dian)(dian)纜。長(chang)度和截(jie)面(mian)是一(yi)個重要因素(su),合(he)格證(zheng)上都有(you)長(chang)度標識,可先估...
隨著我(wo)國(guo)經濟(ji)快速發(fa)展,電(dian)纜(lan)行業(ye)也得到了巨大(da)的(de)(de)(de)發(fa)展。電(dian)纜(lan)根據使用的(de)(de)(de)性能的(de)(de)(de)不(bu)同有很多種(zhong)類(lei)的(de)(de)(de)電(dian)纜(lan),計算機電(dian)纜(lan)、阻燃電(dian)纜(lan)、控制(zhi)電(dian)纜(lan)等一百多種(zhong)的(de)(de)(de)電(dian)纜(lan)。在過去的(de)(de)(de)幾十年里,我(wo)國(guo)的(de)(de)(de)線纜(lan)制(zhi)造業(ye)所形成(cheng)的(de)(de)(de)成(cheng)產(chan)力,讓世(shi)界都刮目相(xiang)看。在我(wo)國(guo)電(dian)力工業(ye)、軌道交(jiao)通業(ye)、數據...
一(yi)般來說,電(dian)線與電(dian)纜(lan)(lan)本質上(shang)是沒有什(shen)么區(qu)別,國(guo)家(jia)標準也沒有明文(wen)規定,但是電(dian)線與電(dian)纜(lan)(lan)還是有區(qu)別的(de)(de)。電(dian)線與電(dian)纜(lan)(lan)的(de)(de)區(qu)別,不是以額定電(dian)壓的(de)(de)高低,也不是以幾何尺(chi)寸大小,二十以它的(de)(de)外(wai)徑來區(qu)別。在電(dian)纜(lan)(lan)行(xing)業,我們(men)習(xi)慣上(shang)將工藝結構復雜的(de)(de)產品叫電(dian)纜(lan)(lan),工藝結構比較...
一、減少電線電纜(lan)產品(pin)的使用壽命這個問(wen)題很(hen)容易理解,長期運行后,特別是直埋、浸在水里、暴露在露天(tian)或者(zhe)易被(bei)腐蝕的環境中,由于長時間受到外界介質的腐蝕,護套(tao)最薄點的絕緣(yuan)水平(ping)和機械水平(ping)都會(hui)下降。再加(jia)上例行的護套(tao)試驗檢測或者(zhe)發生線路接地故障,最薄點可...
電纜(lan)的(de)敷設方(fang)式有(you)以(yi)下幾種(zhong):直埋敷設、穿管敷設、淺槽敷設、電纜(lan)溝(gou)敷設、電纜(lan)隧道敷設、架空敷設幾種(zhong)方(fang)式都有(you)優(you)缺點(dian),一(yi)般要考慮城市發展規劃,現有(you)建筑物(wu)的(de)密度電纜(lan)線路長(chang)度敷設條數及其周(zhou)圍環境的(de)影響等。從技術(shu)上比較,電纜(lan)隧道方(fang)式和(he)電纜(lan)溝(gou)敷設方(fang)式便(bian)于電...
電(dian)纜(lan)(lan)一旦發(fa)生火災(zai),則(ze)火勢(shi)兇(xiong)猛,蔓延迅速,在(zai)燃燒時(shi)會發(fa)生大(da)量的有(you)害氣體,造成(cheng)撲救困難。電(dian)纜(lan)(lan)燒壞后(hou),修(xiu)復時(shi)間長,損失嚴(yan)重,因此必須十分重視防(fang)范電(dian)纜(lan)(lan)火災(zai)事(shi)故(gu)(gu)。那么引起高壓電(dian)纜(lan)(lan)事(shi)故(gu)(gu)的原因有(you)哪些呢?下(xia)面(mian)簡要分析一下(xia)。1、現場條件比較差,電(dian)纜(lan)(lan)和接頭在(zai)工...
擴(kuo)徑導線(xian)(xian)(xian)是(shi)在普通的鋼(gang)芯(xin)(xin)絞線(xian)(xian)(xian)基(ji)礎上開發的一種新型特殊導線(xian)(xian)(xian),是(shi)目前為止外徑最大(da)的架空(kong)導線(xian)(xian)(xian)。擴(kuo)徑鋼(gang)芯(xin)(xin)鋁(lv)絞線(xian)(xian)(xian)也叫擴(kuo)徑空(kong)心母線(xian)(xian)(xian),由(you)多層鋁(lv)線(xian)(xian)(xian)反向絞合而成,中間為圓形中空(kong)結構。產品(pin)適用(yong)于高低壓輸電(dian)線(xian)(xian)(xian)中電(dian)廠及變(bian)電(dian)站配電(dian)線(xian)(xian)(xian)路,使用(yong)它可以將絞線(xian)(xian)(xian)外徑擴(kuo)大(da),減小絞...
一(yi)、電(dian)(dian)(dian)纜故障現場(chang)如何(he)補救?其(qi)實(shi)在(zai)(zai)電(dian)(dian)(dian)纜現場(chang)敷設的時候(hou)(hou)護套表面(mian)刮(gua)傷是(shi)普遍存(cun)在(zai)(zai)的問題(ti)(ti),但(dan)是(shi)電(dian)(dian)(dian)纜很多時候(hou)(hou)一(yi)遇到問題(ti)(ti)就(jiu)特別的麻煩(fan)。下面(mian)就(jiu)給大家(jia)介(jie)紹電(dian)(dian)(dian)纜現場(chang)該如何(he)補救。1.一(yi)般(ban)電(dian)(dian)(dian)纜施工(gong)(gong)的地方都比較惡(e)劣,可能是(shi)隧道(dao)內,也可能是(shi)在(zai)(zai)橋架(jia)上。但(dan)是(shi)一(yi)般(ban)野外(wai)工(gong)(gong)程的...
電(dian)線電(dian)纜生(sheng)產過(guo)(guo)程(cheng)質量檢驗(yan)(yan)(yan)(yan)是按(an)照生(sheng)產計劃單,工(gong)藝指(zhi)導書和操作(zuo)規程(cheng)的(de)(de)(de)要求(qiu)進(jin)行驗(yan)(yan)(yan)(yan)證檢驗(yan)(yan)(yan)(yan)的(de)(de)(de),檢驗(yan)(yan)(yan)(yan)的(de)(de)(de)形式多種(zhong)多樣,本文著重(zhong)闡述按(an)生(sheng)產過(guo)(guo)程(cheng)分(fen)類的(de)(de)(de)產品過(guo)(guo)程(cheng)檢驗(yan)(yan)(yan)(yan),即首件檢驗(yan)(yan)(yan)(yan),巡回檢驗(yan)(yan)(yan)(yan),完工(gong)檢驗(yan)(yan)(yan)(yan)。一.首件檢驗(yan)(yan)(yan)(yan)首件檢驗(yan)(yan)(yan)(yan)應(ying)該是十分(fen)重(zhong)要的(de)(de)(de),因為在開始(shi)時能夠發現問(wen)題(ti)...
在很(hen)多國(guo)網通報供應商的公告上,我們經常能看到(dao)纜企的這么(me)一條通報:生(sheng)產(chan)的電力電纜絕緣層厚(hou)度(du)不(bu)合格。那具體(ti)絕緣層的厚(hou)度(du)不(bu)合格對(dui)電纜有何影(ying)響(xiang)呢?1、減少電線電纜產(chan)品(pin)的使用壽命這個問題很(hen)容(rong)易(yi)理解(jie),長期運行(xing)后,特別是直埋、浸在水里(li)、暴露(lu)在露(lu)天(tian)或者易(yi)被...
電(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)纜(lan)(lan)在運(yun)行的(de)過程中,經(jing)常會出現(xian)多(duo)種的(de)事故,尤其是使用了非標電(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)纜(lan)(lan)的(de)情況(kuang)下。電(dian)(dian)(dian)纜(lan)(lan)在運(yun)行時,發生兩(liang)相(及多(duo)相)接(jie)地(di)或(huo)相間短(duan)路(lu)故障(zhang)時,大(da)多(duo)造成(cheng)(cheng)系統(tong)跳閘,這種故障(zhang)現(xian)象俗稱“放炮”。下面我們就來說(shuo)(shuo)說(shuo)(shuo),造成(cheng)(cheng)"電(dian)(dian)(dian)纜(lan)(lan)...
特(te)種(zhong)電(dian)(dian)纜區(qu)別(bie)于普通電(dian)(dian)纜,特(te)種(zhong)電(dian)(dian)纜是可以在(zai)特(te)殊(shu)的(de)場合使用,而(er)且(qie)其功能也具有(you)特(te)殊(shu)性,例如耐(nai)高溫,耐(nai)強(qiang)酸強(qiang)堿,防白蟻等。其中(zhong),耐(nai)高溫電(dian)(dian)線(xian)電(dian)(dian)纜主要應用在(zai)能源開發、鋼鐵(tie)、航空航天、石油開采(cai)和金屬冶煉(lian)等領域。低電(dian)(dian)感(gan)電(dian)(dian)纜的(de)散熱(re)效果好,不(bu)僅冷卻水流量(liang)大,而(er)...
根據輸(shu)送容(rong)量(liang)確定導(dao)線(xian)截(jie)(jie)面,根據電磁環(huan)境(jing)控制指(zhi)標確定導(dao)線(xian)外徑(jing)(jing)(jing),在導(dao)線(xian)截(jie)(jie)面和外徑(jing)(jing)(jing)明(ming)確后考(kao)慮(lv)擴(kuo)徑(jing)(jing)(jing)方(fang)式。在選(xuan)擇(ze)擴(kuo)徑(jing)(jing)(jing)方(fang)式時,首先(xian)要(yao)考(kao)慮(lv)經濟性(xing)。初步計算,同(tong)樣(yang)是630K720,疏絞型(xing)(xing)擴(kuo)徑(jing)(jing)(jing)導(dao)線(xian)的造價低(di)于(yu)高密度(du)聚乙烯(xi)支撐型(xing)(xing)擴(kuo)徑(jing)(jing)(jing)導(dao)線(xian),且弧(hu)垂特性(xing)較優則工程(cheng)造價...
冬季嚴寒,許多(duo)施工(gong)人員(yuan)在敷設安裝電(dian)線電(dian)纜的時(shi)候會(hui)發現,平時(shi)質量(liang)良(liang)好的電(dian)線電(dian)纜產(chan)品(pin)(pin),經(jing)常會(hui)出(chu)現一些(xie)線體發硬、絕緣外皮脫落受損等現象,很(hen)多(duo)施工(gong)人員(yuan)以為是電(dian)線電(dian)纜產(chan)品(pin)(pin)本身出(chu)現了質量(liang)問(wen)題,而電(dian)纜廠家也堅持產(chan)品(pin)(pin)在出(chu)廠時(shi)已經(jing)經(jing)過(guo)檢(jian)驗(yan),是合格的產(chan)品(pin)(pin),常常...
1、規范(fan)施(shi)工在敷設電(dian)(dian)纜(lan)時,施(shi)工人(ren)員必(bi)須保證(zheng)施(shi)工質(zhi)量,規范(fan)施(shi)工。在施(shi)工時要防止(zhi)牽引力過大、彎曲過度、填土不實、埋設深度不夠等造成的,機械性(xing)損傷(shang)。電(dian)(dian)纜(lan)的中間接頭(tou)和終端(duan)頭(tou)統稱為電(dian)(dian)纜(lan)頭(tou)。電(dian)(dian)纜(lan)頭(tou)是影響(xiang)電(dian)(dian)纜(lan)絕緣性(xing)能的關鍵部(bu)位,最容(rong)易成為引火源。因(yin)此,電(dian)(dian)...
電力(li)電纜(lan)是在(zai)(zai)電力(li)系統(tong)中(zhong)傳輸(shu)或(huo)分配(pei)大(da)功率電能用的(de)電纜(lan)。隨著世(shi)界范圍內的(de)石油(you)化學工(gong)業(ye)大(da)發展,塑料絕緣電力(li)電纜(lan)由于其制造(zao)工(gong)藝(yi)簡(jian)單,施工(gong)、維護便捷,成為低壓電力(li)電纜(lan)中(zhong)的(de)重要品(pin)種。然(ran)而在(zai)(zai)塑料絕緣擠制過程中(zhong)不(bu)免會產生碰傷、刮傷、壓傷、擊穿等缺陷點(dian),為了...
城市配電(dian)網絡大量采用架(jia)空(kong)絕緣(yuan)(yuan)電(dian)纜(lan)線(xian)(xian)路,全國關于運行中的(de)線(xian)(xian)路發生雷(lei)擊斷(duan)線(xian)(xian)和絕緣(yuan)(yuan)子(zi)擊穿事故的(de)統計數量呈急劇上(shang)升趨(qu)勢(shi)。試(shi)驗研究和實(shi)際事故原因分析證實(shi):架(jia)空(kong)絕緣(yuan)(yuan)電(dian)纜(lan)線(xian)(xian)路雷(lei)電(dian)過電(dian)壓閃(shan)絡時(shi),瞬間電(dian)弧電(dian)流(liu)很(hen)大但(dan)時(shi)間很(hen)短(duan),僅在架(jia)空(kong)絕緣(yuan)(yuan)電(dian)纜(lan)絕緣(yuan)(yuan)層上(shang)形(xing)成(cheng)擊穿孔(kong)...
電線電纜老化故障(zhang)的最直(zhi)接原因是絕緣(yuan)降低而被(bei)擊穿。導敏絕緣(yuan)降低的因素很多,根據實(shi)際(ji)運行經驗,歸納起來(lai)不外乎以下幾種情況。1)電纜老化原因:絕緣(yuan)受(shou)潮。這(zhe)種情況也很常(chang)見,一般發生在直(zhi)埋或排管(guan)里的電纜接頭處。比(bi)如:電纜接頭制作不合格和(he)在潮濕(shi)的氣候條(tiao)...
特(te)(te)種電(dian)(dian)(dian)(dian)纜一般都是(shi)運(yun)用(yong)在哪里?特(te)(te)種電(dian)(dian)(dian)(dian)纜就是(shi)有特(te)(te)殊用(yong)途,可以在特(te)(te)定場合(he)使用(yong)的(de)有特(te)(te)定用(yong)途的(de)電(dian)(dian)(dian)(dian)纜,比如可以耐(nai)(nai)高溫(wen),耐(nai)(nai)酸堿,防白(bai)蟻,以及在輪船(chuan)飛機(ji)核電(dian)(dian)(dian)(dian)站等(deng)場合(he)使用(yong)的(de)電(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)纜。就分(fen)類(lei)(lei)來說,它與電(dian)(dian)(dian)(dian)力、控制、計算機(ji)電(dian)(dian)(dian)(dian)纜等(deng)類(lei)(lei)別不屬于同一種分(fen)類(lei)(lei)方(fang)法,也就是(shi)...
額定電(dian)(dian)壓10kV架空電(dian)(dian)纜線(xian)(xian)路(lu)(lu)(lu)的特點是(shi)農(nong)網線(xian)(xian)路(lu)(lu)(lu)多、供(gong)電(dian)(dian)半(ban)徑長、全部(bu)為(wei)放射式供(gong)電(dian)(dian)線(xian)(xian)路(lu)(lu)(lu)。經過近年(nian)來(lai)的農(nong)網改造,抗(kang)臺風及防雷能(neng)力(li)得到增強(qiang),但10kV架空線(xian)(xian)路(lu)(lu)(lu)事(shi)故仍時有發生(sheng),本文就10kV架空線(xian)(xian)路(lu)(lu)(lu)的常發事(shi)故進行分析,并對1...
一、電(dian)纜,一般(ban)認為電(dian)纜是(shi)由一根或多根相(xiang)互(hu)絕(jue)(jue)緣的導體(ti)外(wai)包絕(jue)(jue)緣和(he)保(bao)護層制成,將電(dian)力(li)或信息從一處(chu)傳(chuan)輸(shu)到另一處(chu)的導線。廣義(yi)上是(shi)指以金屬作媒(mei)質傳(chuan)輸(shu)電(dian)信號(hao)的裝置。由定(ding)義(yi)可知(zhi),電(dian)纜是(shi)用來導電(dian)的。一般(ban)由以下金屬制造:銅導電(dian)性僅(jin)次于銀,導熱性僅(jin)次于金、銀;...
大元(yuan)電(dian)(dian)纜(lan)(lan)的(de)小編今天跟大家分享的(de)是(shi)電(dian)(dian)纜(lan)(lan)安裝需(xu)要(yao)注意(yi)的(de)一(yi)些問題。筆者整理一(yi)下,大家可以(yi)(yi)簡單看看。首先,電(dian)(dian)纜(lan)(lan)在敷(fu)設的(de)時候(hou),不能從電(dian)(dian)纜(lan)(lan)盤或者電(dian)(dian)纜(lan)(lan)卷筒(tong)(tong)的(de)某一(yi)端解開(kai)電(dian)(dian)纜(lan)(lan),大家需(xu)要(yao)先把電(dian)(dian)纜(lan)(lan)盤或者電(dian)(dian)纜(lan)(lan)卷筒(tong)(tong)里(li)的(de)電(dian)(dian)纜(lan)(lan)展(zhan)開(kai)。要(yao)是(shi)有條(tiao)件(jian)的(de)話,可以(yi)(yi)把電(dian)(dian)纜(lan)(lan)展(zhan)開(kai)或者懸(xuan)掛...
聚氯乙烯絕(jue)緣和(he)護(hu)套控制電(dian)纜(lan)適用于額定(ding)電(dian)壓450/750V及(ji)以下控制、信號、保(bao)護(hu)及(ji)測量系統(tong)接(jie)線之用。執行標準:GB9330《塑料絕(jue)緣控制電(dian)纜(lan)》、IEC60227《額定(ding)電(dian)壓450/750V及(ji)以下聚氯乙烯絕(jue)緣電(dian)纜(lan)》以及(ji)IEC60502《額定(ding)電(dian)壓1...
電(dian)(dian)(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)在電(dian)(dian)(dian)(dian)(dian)(dian)力(li)系統主干(gan)線(xian)中用以傳輸(shu)和(he)分配大功能電(dian)(dian)(dian)(dian)(dian)(dian)能,控(kong)制電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)從電(dian)(dian)(dian)(dian)(dian)(dian)力(li)系統的配電(dian)(dian)(dian)(dian)(dian)(dian)點把電(dian)(dian)(dian)(dian)(dian)(dian)能直(zhi)接傳輸(shu)到各種用電(dian)(dian)(dian)(dian)(dian)(dian)設備器具的電(dian)(dian)(dian)(dian)(dian)(dian)源連接線(xian)路。電(dian)(dian)(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)的額定電(dian)(dian)(dian)(dian)(dian)(dian)壓一般為0.6/1KV及以上(shang),控(kong)制電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)主要為450/750V。同樣規格的電(dian)(dian)(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)和(he)控(kong)制電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)在生(sheng)產(chan)時...
外力損(sun)傷(shang):在電纜(lan)的(de)保管、運輸(shu)(shu)、敷設和(he)運行(xing)過(guo)程中都可能遭(zao)(zao)受外力損(sun)傷(shang),特別(bie)是已(yi)運行(xing)的(de)直埋電纜(lan),在其他工程的(de)地(di)面施工中易遭(zao)(zao)損(sun)傷(shang)。這(zhe)類(lei)事故往往占電纜(lan)事故的(de)50%。為避(bi)免這(zhe)類(lei)事故,除(chu)加強電纜(lan)保管、運輸(shu)(shu)、敷設等各(ge)環節的(de)工作(zuo)質(zhi)量外,更重要(yao)的(de)是嚴格執行(xing)動土...
為(wei)了防止(zhi)電(dian)纜火(huo)(huo)災事故的(de)發生,應采(cai)取以(yi)下預防措施:(1)選用滿(man)(man)足(zu)(zu)熱(re)穩定(ding)要求的(de)電(dian)纜。選用的(de)電(dian)纜,在正常情況(kuang)下,能滿(man)(man)足(zu)(zu)長期額定(ding)負荷(he)的(de)發熱(re)要求,在短(duan)路情況(kuang)下,能滿(man)(man)足(zu)(zu)短(duan)時熱(re)穩定(ding),避(bi)免(mian)電(dian)纜過熱(re)起火(huo)(huo)。(2)防止(zhi)運行過負荷(he)。電(dian)纜帶負荷(he)運行時,一般不超過額定(ding)...
電(dian)線(xian)電(dian)纜(lan)在我(wo)(wo)國的基礎(chu)建設當中起到了很重要的鏈接作用,隨著我(wo)(wo)國的不斷發展,對(dui)于動力(li)電(dian)纜(lan)行業來說,針對(dui)不斷變(bian)化的幣場和需求,傳統(tong)的行業模式已經不能適(shi)應幣場發展,所以(yi)對(dui)于很多(duo)企(qi)業來說,行業的轉變(bian)刻不容緩。我(wo)(wo)國電(dian)線(xian)電(dian)纜(lan)行業仍然是(shi)繼續發展的趨(qu)勢,但是(shi)...
電(dian)(dian)(dian)(dian)纜(lan)(lan)一旦著火,應(ying)采用下列方法(fa)撲滅:(1)切斷起(qi)(qi)火電(dian)(dian)(dian)(dian)纜(lan)(lan)電(dian)(dian)(dian)(dian)源(yuan)。電(dian)(dian)(dian)(dian)纜(lan)(lan)著火燃燒,無論何原(yuan)因引起(qi)(qi),都應(ying)立即切斷電(dian)(dian)(dian)(dian)源(yuan),然后,根據電(dian)(dian)(dian)(dian)纜(lan)(lan)所經過的路徑(jing)和特征,認(ren)真檢查,找出電(dian)(dian)(dian)(dian)纜(lan)(lan)的故(gu)障(zhang)(zhang)點(dian),同時應(ying)迅速組織人(ren)員進行撲救。(2)電(dian)(dian)(dian)(dian)纜(lan)(lan)溝內起(qi)(qi)火非故(gu)障(zhang)(zhang)電(dian)(dian)(dian)(dian)纜(lan)(lan)電(dian)(dian)(dian)(dian)源(yuan)的切斷。當電(dian)(dian)(dian)(dian)...
電(dian)力電(dian)纜的(de)(de)絕(jue)緣(yuan)層(ceng)是由紙、油、麻、橡膠(jiao)、塑料、瀝(li)青等各種可燃物質組成,因(yin)此,電(dian)纜具有起(qi)火爆(bao)炸的(de)(de)可能性(xing)。導致電(dian)纜起(qi)火爆(bao)炸的(de)(de)原因(yin)是:(1)絕(jue)緣(yuan)損(sun)(sun)壞引(yin)起(qi)短路故障。電(dian)力電(dian)纜的(de)(de)保護鉛皮在敷(fu)設時被(bei)損(sun)(sun)壞或(huo)在運(yun)行(xing)中電(dian)纜絕(jue)緣(yuan)受機械損(sun)(sun)傷,引(yin)起(qi)電(dian)纜相間或(huo)鉛皮間的(de)(de)絕(jue)...
在電(dian)(dian)(dian)力(li)線(xian)路(lu)(lu)中(zhong),電(dian)(dian)(dian)纜所占比重正逐(zhu)漸增(zeng)加。電(dian)(dian)(dian)力(li)電(dian)(dian)(dian)纜是(shi)在電(dian)(dian)(dian)力(li)系統的主(zhu)干線(xian)路(lu)(lu)中(zhong)用以(yi)傳輸和分配大功率電(dian)(dian)(dian)能(neng)的電(dian)(dian)(dian)纜產品,包(bao)括1-500KV以(yi)及以(yi)上各種電(dian)(dian)(dian)壓(ya)等級(ji),各種絕緣(yuan)的電(dian)(dian)(dian)力(li)電(dian)(dian)(dian)纜。電(dian)(dian)(dian)力(li)電(dian)(dian)(dian)纜的基(ji)本結(jie)構由線(xian)芯(xin)(導體)、絕緣(yuan)層(ceng)、屏蔽層(ceng)和保(bao)護層(ceng)四部分組成。一、線(xian)...
在電(dian)(dian)力線(xian)路中(zhong),電(dian)(dian)纜所占比重正逐漸增加。電(dian)(dian)力電(dian)(dian)纜是在電(dian)(dian)力系統的(de)主干線(xian)路中(zhong)用以傳輸和分(fen)配大(da)功率電(dian)(dian)能的(de)電(dian)(dian)纜產品,包括1-500KV以及以上各(ge)種(zhong)電(dian)(dian)壓(ya)等級(ji),各(ge)種(zhong)絕緣的(de)電(dian)(dian)力電(dian)(dian)纜。一(yi)、按電(dian)(dian)壓(ya)等級(ji)分(fen)按電(dian)(dian)壓(ya)等級(ji)可分(fen)為中(zhong)、低壓(ya)電(dian)(dian)力電(dian)(dian)纜(35千伏及以下(xia))、高(gao)壓(ya)電(dian)(dian)...
控制(zhi)電纜是適用于(yu)工(gong)礦企業(ye)(ye)、能源交通(tong)部門、供(gong)交流(liu)額定(ding)電壓450/750伏以下控制(zhi)、保護(hu)線路等(deng)場(chang)合使(shi)用的聚氯乙烯(xi)(xi)絕緣、聚氯乙烯(xi)(xi)護(hu)套(tao)控制(zhi)電纜。電線電纜行(xing)業(ye)(ye)是中(zhong)國僅(jin)次(ci)于(yu)汽(qi)車行(xing)業(ye)(ye)的第二大行(xing)業(ye)(ye),產(chan)品品種滿足率(lv)和國內市(shi)場(chang)占有率(lv)均超過90%。在世界范圍(wei)內,...
控(kong)(kong)制(zhi)(zhi)電纜(lan)是適用于工(gong)礦企業、能源(yuan)交通部門(men)、供交流額定電壓450/750伏以(yi)下控(kong)(kong)制(zhi)(zhi)、保(bao)護線(xian)路等場(chang)合使用的聚氯乙(yi)烯(xi)絕緣、聚氯乙(yi)烯(xi)護套(tao)控(kong)(kong)制(zhi)(zhi)電纜(lan)。控(kong)(kong)制(zhi)(zhi)電纜(lan)價格(ge)公(gong)式如下:銅(tong)的重量(liang)X銅(tong)價=(絲徑(jing)÷2)^2X3.14X絲的根數X8.9X當時銅(tong)...
通(tong)常是由幾根或幾組導(dao)線(每組至少兩(liang)根)絞合而成的(de)類似繩索的(de)電(dian)纜(lan)(lan),每組導(dao)線之(zhi)間相(xiang)互絕(jue)(jue)(jue)緣,并常圍繞著一根中心扭成,整個外(wai)面(mian)包有高(gao)度絕(jue)(jue)(jue)緣的(de)覆(fu)蓋層。電(dian)纜(lan)(lan)具有內(nei)通(tong)電(dian),外(wai)絕(jue)(jue)(jue)緣的(de)特(te)征。電(dian)纜(lan)(lan)的(de)存(cun)放方法:電(dian)纜(lan)(lan)如果要長期(qi)存(cun)放,根據電(dian)纜(lan)(lan)的(de)放置位置,應作(zuo)以下考慮:...
架(jia)空(kong)電(dian)纜并不是將普(pu)通(tong)的(de)油紙絕緣電(dian)纜或(huo)是交聯(lian)絕緣電(dian)纜直接掛在架(jia)空(kong)桿(gan)塔上,而是采用(yong)類似于交聯(lian)電(dian)纜生(sheng)產工藝制造的(de)一種專用(yong)電(dian)纜。一般的(de)架(jia)空(kong)電(dian)纜都是單芯的(de),按(an)其(qi)結構(gou)不同可(ke)分為硬鋁線(xian)(xian)結構(gou)、硬拉銅線(xian)(xian)結構(gou)、鋁合(he)金線(xian)(xian)結構(gou)、鋼(gang)芯或(huo)鋁合(he)金芯支撐結構(gou)和自承式三芯紋...
電纜(lan)(lan)的安全要求:1.電纜(lan)(lan)線(xian)相互交(jiao)(jiao)(jiao)叉(cha)(cha)時(shi),高(gao)壓(ya)電纜(lan)(lan)應在低壓(ya)電纜(lan)(lan)下方(fang)。如果其中一條(tiao)電纜(lan)(lan)在交(jiao)(jiao)(jiao)叉(cha)(cha)點前(qian)后1m范圍內穿管(guan)保護或(huo)(huo)用隔(ge)板隔(ge)開時(shi),最(zui)小允(yun)許距離為0.25m。2.電纜(lan)(lan)與熱力管(guan)道接(jie)近(jin)或(huo)(huo)交(jiao)(jiao)(jiao)叉(cha)(cha)時(shi),如有隔(ge)熱措施,平行和交(jiao)(jiao)(jiao)叉(cha)(cha)的最(zui)小距離分(fen)別為0.5m和0.2...
我(wo)國的(de)(de)電(dian)線電(dian)纜行業制(zhi)造(zao)規模發展(zhan)速(su)度(du)很快,但是技術和研發卻(que)難(nan)以(yi)跟(gen)上市場的(de)(de)步伐(fa)。所以(yi)我(wo)們在(zai)市場的(de)(de)反饋(kui)中可以(yi)感受(shou)到,扁電(dian)纜產品的(de)(de)同(tong)質化,低價競爭(zheng),產能過(guo)程(cheng)等(deng)等(deng)問題都有(you)待整頓。隨著時代的(de)(de)發展(zhan),科(ke)技的(de)(de)進步,電(dian)纜企業的(de)(de)發展(zhan)進入了一個全新(xin)的(de)(de)階段,在(zai)新(xin)的(de)(de)背...
扁電(dian)纜(lan)使用于工作電(dian)壓(ya)450/750V級以下,環境溫(wen)度(du)-40~70℃的起重、運(yun)輸、機械、電(dian)氣(qi)、礦山、等(deng)行業(ye)各種(zhong)移動動力裝置(zhi)的電(dian)源連接(jie)及(ji)控制信號照明等(deng)。具有以下特點(dian):絕緣和(he)護套等(deng)用丁腈復合物。提高電(dian)纜(lan)柔軟特性及(ji)防腐耐(nai)寒等(deng)性能。可按顧(gu)客需要,在線...
扁電(dian)纜(lan)使(shi)用于工作(zuo)電(dian)壓450/750V級以下(xia),環(huan)境溫度-40~70℃的起重、運輸、機械、電(dian)氣(qi)、礦山、等(deng)行業(ye)各種(zhong)移動(dong)動(dong)力裝置的電(dian)源連接及控制信(xin)號照明(ming)等(deng)。具(ju)有以下(xia)特點:絕緣和(he)護(hu)套等(deng)用丁(ding)腈(jing)復合物(wu)。提(ti)高電(dian)纜(lan)柔軟特性(xing)及防腐耐寒(han)等(deng)性(xing)能。可按顧客(ke)需要,在線...
架(jia)(jia)(jia)空(kong)(kong)電(dian)纜(lan)(lan)(lan)(全稱架(jia)(jia)(jia)空(kong)(kong)絕緣電(dian)纜(lan)(lan)(lan)),是裝有絕緣層和保護(hu)外皮的架(jia)(jia)(jia)空(kong)(kong)導線,采用類似于交聯電(dian)纜(lan)(lan)(lan)生產(chan)工藝制造的一種專用電(dian)纜(lan)(lan)(lan),是介于架(jia)(jia)(jia)空(kong)(kong)導線和地(di)下電(dian)纜(lan)(lan)(lan)之間(jian)的新的輸電(dian)方式 。架(jia)(jia)(jia)空(kong)(kong)絕緣電(dian)纜(lan)(lan)(lan)主要特點:1、供(gong)電(dian)可(ke)靠性高&n...
架(jia)(jia)(jia)空電(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)并不是將普通(tong)的(de)油(you)紙絕(jue)緣電(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)或是交聯(lian)(lian)絕(jue)緣電(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)直接掛在(zai)架(jia)(jia)(jia)空桿(gan)塔上(shang),而(er)是采用類似于交聯(lian)(lian)電(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)生產工(gong)藝制造的(de)一(yi)種(zhong)專用電(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)。 一(yi)般的(de)架(jia)(jia)(jia)空電(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)都是單(dan)芯的(de),按其結構不同(tong)可分為硬鋁線結...
架(jia)空(kong)絕(jue)緣電(dian)纜(lan),是(shi)裝有絕(jue)緣層和保護外皮的(de)(de)架(jia)空(kong)導線(xian),采用(yong)類似于(yu)(yu)交聯電(dian)纜(lan)生(sheng)產工藝(yi)制造(zao)的(de)(de)一(yi)種專用(yong)電(dian)纜(lan),是(shi)介于(yu)(yu)架(jia)空(kong)導線(xian)和地下電(dian)纜(lan)之(zhi)間(jian)的(de)(de)新(xin)的(de)(de)輸(shu)電(dian)方式。架(jia)空(kong)電(dian)纜(lan)都(dou)是(shi)單(dan)芯的(de)(de),按其(qi)結構(gou)不同可分(fen)為硬鋁線(xian)結構(gou)、硬拉銅線(xian)結構(gou)、鋁合(he)金線(xian)...
如今,電線電纜已經(jing)滲透到我們生活(huo)的每一個角落。在街道上,隨處(chu)可(ke)見各種高度和厚度的電力電纜。如何快速識別導(dao)線電壓(ya)水(shui)平,采取(qu)有(you)效(xiao)的防護措施,是預防觸電事故,電線電纜是保障人身安全(quan)的重要環節。一、了解電壓(ya)電平:&nbs...
航空(kong)航天(tian)、機車(che)車(che)輛、能源(yuan)、鋼(gang)鐵、有色金屬(shu)冶(ye)煉、石油開采、電(dian)(dian)機、建設等領域需用耐高溫電(dian)(dian)線電(dian)(dian)纜。長期連續工作溫度(du)125度(du)、135度(du)、150度(du)、180度(du)、200度(du)、250度(du)及250度(du)以上的耐高...
特(te)種(zhong)電纜(lan)(lan)(lan)就(jiu)是有特(te)殊用(yong)途、可以在(zai)(zai)特(te)定場合使用(yong)的電纜(lan)(lan)(lan),比(bi)如可以耐高溫,耐酸堿,防(fang)白蟻,以及在(zai)(zai)輪(lun)船飛機(ji)核電站等場合使用(yong)的電線電纜(lan)(lan)(lan)。就(jiu)分類(lei)來說,它與電力、控制、計算機(ji)電纜(lan)(lan)(lan)等類(lei)別不屬于同一種(zhong)分類(lei)方...
為了增強人們的安(an)全意識(shi),保(bao)障生活安(an)全與財產安(an)全,提高電(dian)氣(qi)系統的安(an)全可靠性,大(da)元電(dian)纜小編總結出安(an)全用(yong)電(dian)的幾點小常識(shi):1.總閘處保(bao)險(xian)絲(si)的選用(yong)要合理,不(bu)允許使用(yong)銅(tong)絲(si)、鋁絲(si)或鐵絲(si)來代(dai)替。2.所有的大(da)功率或者有相關使用(yong)說明...
目前,國內(nei)一(yi)些(xie)大的(de)(de)電(dian)線(xian)電(dian)纜(lan)公(gong)司現(xian)已開端(duan)了智能(neng)電(dian)纜(lan)范疇的(de)(de)掘金。現(xian)在,輸電(dian)網(wang)、配電(dian)網(wang)、用(yong)(yong)戶側、分(fen)布式(shi)動力(li)的(de)(de)運(yun)用(yong)(yong)、太陽能(neng)、分(fen)布式(shi)風電(dian)這些(xie)范疇中(zhong)電(dian)纜(lan)正在廣泛運(yun)用(yong)(yong),同(tong)時,在智能(neng)電(dian)網(wang)的(de)(de)大環境下,第三(san)次工業(ye)革新將(jiang)信息、可再生動力(li)和分(fen)布式(shi)運(yun)用(yong)(yong)技能(neng)交(jiao)融完(wan)成(cheng)一(yi)...
1、特種電(dian)(dian)(dian)纜(lan)(lan)的用途:控制(zhi)電(dian)(dian)(dian)纜(lan)(lan)供交流(liu)額定(ding)電(dian)(dian)(dian)壓500V或直流(liu)電(dian)(dian)(dian)壓1000V及以下配電(dian)(dian)(dian)裝(zhuang)置中電(dian)(dian)(dian)器,儀(yi)表接(jie)線(xian)之用。2、特種電(dian)(dian)(dian)纜(lan)(lan)產品使用特性:電(dian)(dian)(dian)纜(lan)(lan)導體的長期允許工作(zuo)溫度應(ying)不超(chao)過70℃。敷設(she)時電(dian)(dian)(dian)纜(lan)(lan)的溫度應(ying)不低于(yu)0℃,敷設(she)時彎曲半(ban)徑(jing)應(ying)不小于(yu)電(dian)(dian)(dian)纜(lan)(lan)外徑(jing)的10...
大元電(dian)纜廠家利用(yong)引進的部分關鍵專用(yong)設備(bei)和技(ji)術(shu)添加鋁鋯合(he)金,將熔鋁燃(ran)(ran)煤(mei)(mei)爐(lu)改(gai)造成熔鋁燃(ran)(ran)油或天然氣爐(lu),全(quan)部消(xiao)除熔鋁燃(ran)(ran)煤(mei)(mei)爐(lu)燃(ran)(ran)煤(mei)(mei)煙塵和煙氣的排放,并設置煙氣過濾裝置凈化煙氣,提(ti)高(gao)排放質量,提(ti)高(gao)成品率,降低成本(ben),同(tong)時使導線工作溫度從70℃提(ti)高(gao)到(dao)150℃...
在重(zhong)點(dian)工程當中很(hen)多(duo)地方,比如消防、監控、報警(jing)之類的(de)地方都(dou)會用(yong)到低(di)煙(yan)(yan)無(wu)鹵電(dian)(dian)(dian)纜(lan)線,通常人們都(dou)會稱它為(wei)環(huan)保電(dian)(dian)(dian)纜(lan),其實(shi)環(huan)保電(dian)(dian)(dian)纜(lan)并非指的(de)低(di)煙(yan)(yan)無(wu)鹵電(dian)(dian)(dian)纜(lan),以下是大元電(dian)(dian)(dian)纜(lan)廠為(wei)您總結的(de)環(huan)保電(dian)(dian)(dian)纜(lan)與低(di)煙(yan)(yan)無(wu)鹵電(dian)(dian)(dian)纜(lan)的(de)區別: 1、低(di)毒素:...
假冒劣質(zhi)電(dian)(dian)線電(dian)(dian)纜(lan)生產(chan)(chan)者為了獲取(qu)暴利(li)(li),不顧廣(guang)大(da)(da)消費者的(de)利(li)(li)益(yi)(yi),大(da)(da)量生產(chan)(chan)劣質(zhi)電(dian)(dian)線電(dian)(dian)纜(lan)產(chan)(chan)品,擾亂電(dian)(dian)線電(dian)(dian)纜(lan)市場,損(sun)害廣(guang)大(da)(da)用戶的(de)利(li)(li)益(yi)(yi)。所以,正確(que)選擇電(dian)(dian)線電(dian)(dian)纜(lan)顯得(de)非(fei)常重要(yao)(yao),什么樣的(de)產(chan)(chan)品才(cai)合格呢?電(dian)(dian)線電(dian)(dian)纜(lan)作為電(dian)(dian)力傳(chuan)輸的(de)主要(yao)(yao)載(zai)體(ti),廣(guang)泛應(ying)用于(yu)電(dian)(dian)器裝備、照明線路...
聚氯乙(yi)烯(xi)絕緣和護套控(kong)制(zhi)(zhi)電(dian)(dian)(dian)纜適(shi)用于額定電(dian)(dian)(dian)壓為(wei)(wei)450/750V及以下電(dian)(dian)(dian)器、儀器儀表控(kong)制(zhi)(zhi)線路的(de)(de)(de)連接線,主要用于防電(dian)(dian)(dian)磁波干擾、需(xu)要有屏(ping)(ping)蔽(bi)的(de)(de)(de)場所。一些不良廠家在生產屏(ping)(ping)蔽(bi)控(kong)制(zhi)(zhi)電(dian)(dian)(dian)纜的(de)(de)(de)時候,將銅網編織的(de)(de)(de)較為(wei)(wei)稀疏,編織網不夠(gou)密集的(de)(de)(de)話基本上起不到屏(ping)(ping)蔽(bi)的(de)(de)(de)作用,所...
大(da)元生產(chan)(chan)(chan)的(de)(de)柔性(xing)螺(luo)紋(wen)(wen)保護(hu)套(tao)外觀漂亮,質量(liang)可(ke)靠,價格優(you)惠,能為您的(de)(de)產(chan)(chan)(chan)品在(zai)表面(mian)處理(li)過程中提(ti)供最堅實的(de)(de)保護(hu)。螺(luo)紋(wen)(wen)保護(hu)套(tao),又(you)稱圓(yuan)形浸塑(su)(su)蓋(gai),乙烯基蓋(gai)或圓(yuan)形塑(su)(su)料蓋(gai),彈(dan)性(xing)大(da),柔韌(ren)性(xing)強,其性(xing)能可(ke)與(yu)橡膠蓋(gai)相媲美(mei)。螺(luo)紋(wen)(wen)保護(hu)套(tao)(圓(yuan)形浸塑(su)(su)蓋(gai))廣泛(fan)用于產(chan)(chan)(chan)品末端或管材保...
額定(ding)電(dian)(dian)壓10KV架空(kong)絕(jue)緣(yuan)電(dian)(dian)纜(lan)由緊壓銅、鋁(lv)(鋁(lv)合金)導體,內屏蔽層和耐侯型絕(jue)緣(yuan)材料及外屏蔽層組成,既具(ju)有(you)電(dian)(dian)力電(dian)(dian)纜(lan)的輸送電(dian)(dian)能特(te)性(xing)(xing)又具(ju)有(you)架空(kong)電(dian)(dian)纜(lan)較強(qiang)的機械(xie)性(xing)(xing)能:與裸電(dian)(dian)線相比,本產(chan)品具(ju)有(you)敷設間距小,安(an)全可靠性(xing)(xing)高,耐大氣老(lao)化(hua)性(xing)(xing)能優良等(deng)特(te)點,是新設計建(jian)...
一(yi)、電(dian)(dian)(dian)纜(lan)(lan)故(gu)障(zhang)現場如(ru)何補救(jiu)?其實在電(dian)(dian)(dian)纜(lan)(lan)現場敷(fu)設的(de)時候護套(tao)表面刮(gua)傷是(shi)普遍(bian)存(cun)在的(de)問題(ti),但是(shi)電(dian)(dian)(dian)纜(lan)(lan)很多時候一(yi)遇到問題(ti)就特別的(de)麻煩(fan)。下面就給大家介紹電(dian)(dian)(dian)纜(lan)(lan)現場該如(ru)何補救(jiu)。1.一(yi)般(ban)電(dian)(dian)(dian)纜(lan)(lan)施工的(de)地方都比較惡劣,可(ke)能是(shi)隧道內,也(ye)可(ke)能是(shi)在橋架上。但是(shi)一(yi)般(ban)野外工程的(de)...
隨著全(quan)球(qiu)各(ge)地電網建(jian)設的不斷推進,全(quan)球(qiu)電力需求呈上(shang)升趨勢。高壓(ya)直流(liu)(liu)輸電是(shi)一種能(neng)將發(fa)(fa)電廠(chang)產生的直接電流(liu)(liu)的交變電流(liu)(liu)并發(fa)(fa)送回交流(liu)(liu)電供給(gei)的方法,可以實現最小損耗(hao)長(chang)距離輸送大量電能(neng)。在(zai)全(quan)球(qiu)電力工程建(jian)設中,長(chang)距離輸電所需的高壓(ya)直流(liu)(liu)電纜需求越來越多(duo),全(quan)球(qiu)高...
橡(xiang)(xiang)(xiang)套電(dian)(dian)纜實用于交流額(e)外(wai)電(dian)(dian)壓Uo/U為3.6/6KV及以(yi)下銅芯橡(xiang)(xiang)(xiang)皮(pi)絕緣橡(xiang)(xiang)(xiang)皮(pi)護套礦(kuang)用軟電(dian)(dian)纜。 橡(xiang)(xiang)(xiang)套電(dian)(dian)纜使用特性: 1.屏蔽監(jian)視型(xing)軟電(dian)(dian)纜(UYPJ)、屏蔽橡(xiang)(xiang)(xiang)套軟電(dian)(dian)纜(UYP、UYPT、UYPD) 1)額(e)...
電(dian)(dian)線電(dian)(dian)纜是(shi)施工(gong)過程不可缺(que)少的(de)材料,一旦電(dian)(dian)纜起火,將會引起嚴重(zhong)火災和停電(dian)(dian)事故,此(ci)外,電(dian)(dian)纜燃(ran)燒時產(chan)生大(da)量濃煙和毒氣,不僅污染環境,而且危及(ji)人的(de)生命安(an)全。據筆(bi)者統計(ji),去年(nian)發生的(de)電(dian)(dian)線電(dian)(dian)纜火災事故,占電(dian)(dian)氣火災事故總數(shu)的(de)40%左右。為(wei)了增強人們(men)的(de)安(an)全意...
與中國(guo)(guo)不同的西方國(guo)(guo)家(jia)(jia)是一個完全的私(si)有制國(guo)(guo)家(jia)(jia),國(guo)(guo)際"IEC"標準(zhun)的前身最(zui)初(chu)也是誕生在單個企(qi)業(ye)(ye)主地(di)盤的產物。中國(guo)(guo)是世界上(shang)最(zui)大(da)電(dian)線電(dian)纜生產國(guo)(guo),全球名列第(di)一的年7000億的產值。電(dian)線電(dian)纜產業(ye)(ye)發展迅(xun)速,對工業(ye)(ye)經濟(ji)的支撐作用日益明顯...
鋁(lv)合金電纜是前幾年電纜行(xing)(xing)(xing)業(ye)新推行(xing)(xing)(xing)的(de)(de)一(yi)種以鋁(lv)合金材質為導體(ti)而(er)生(sheng)產的(de)(de)電纜,這(zhe)種電纜很大一(yi)部(bu)分的(de)(de)彌補了銅(tong)電纜價格高(gao)昂和鋁(lv)電纜性能(neng)較差的(de)(de)缺(que)點。經測試,鋁(lv)合金電纜的(de)(de)載(zai)流量(liang)約能(neng)達到(dao)銅(tong)電纜的(de)(de)75%足(zu)有,而(er)價格卻僅為銅(tong)電纜的(de)(de)一(yi)般。鋁(lv)合金電纜將是引領電纜行(xing)(xing)(xing)業(ye)...
電(dian)線電(dian)纜(lan)行(xing)業發展迅速,到(dao)現在已(yi)經(jing)(jing)是(shi)(shi)我國第二大產業,現在已(yi)經(jing)(jing)是(shi)(shi)到(dao)了最為巔峰(feng)的(de)時期,相信要想(xiang)百尺竿頭更進一步,還是(shi)(shi)有不(bu)小的(de)阻力。盡管(guan)電(dian)線電(dian)纜(lan)行(xing)業發展也(ye)這么多年了,但是(shi)(shi)關于電(dian)線電(dian)纜(lan)的(de)制造原料還是(shi)(shi)有很多外(wai)行(xing)不(bu)了解,今天(tian)小...
在(zai)(zai)全球電(dian)線電(dian)纜年會上,中(zhong)(zhong)國(guo)電(dian)力科(ke)學(xue)研究(jiu)院(yuan)名譽(yu)總工程(cheng)師印永華(hua)在(zai)(zai)年會上描繪了中(zhong)(zhong)國(guo)電(dian)線電(dian)纜行業的宏偉(wei)藍圖:國(guo)內(nei)輸電(dian)行業發(fa)展地如(ru)火如(ru)荼的同時還可以隨著國(guo)家宏偉(wei)戰略“走出去”,中(zhong)(zhong)國(guo)電(dian)線電(dian)纜行業都將迎來難得的發(fa)展機遇……十年光陰(yin)彈指一瞬。印永華(hua)介紹,特...
1、鋁(lv)合金電(dian)纜的(de)延伸性能(neng)伸長率(lv)是(shi)導(dao)體(ti)機械(xie)性能(neng)重(zhong)要指標(biao),是(shi)產品優劣和能(neng)承(cheng)受外力大小(xiao)的(de)重(zhong)要標(biao)志。也是(shi)檢(jian)驗(yan)電(dian)纜導(dao)體(ti)機械(xie)性能(neng)的(de)一個重(zhong)要指標(biao)。鋁(lv)合金電(dian)纜導(dao)體(ti)經退火處理后的(de)延伸率(lv)能(neng)達到30%,而銅電(dian)纜的(de)伸長率(lv)約為25%,...
鋁(lv)合(he)金電纜若想(xiang)在電力(li)工程中(zhong)占有一席之(zhi)地(di),打(da)破銅電纜在電纜行業中(zhong)的壟斷地(di)位,則應在與銅電纜的比較中(zhong),有其獨特的技(ji)術(shu)與經濟優勢。鋁(lv)合(he)金電纜的主要參數(shu):鋁(lv)合(he)金導體以金屬鋁(lv)為主要成分(fen),通過(guo)添加銅(Cu)、錳(Mn)、鎂(mei)(Mg)、鈦(Ti)、鉻(Cr...
1、資料(liao)的(de)(de)差異(yi):電(dian)(dian)線(xian)(xian)(xian)(xian)(xian)用于承載電(dian)(dian)流的(de)(de)導電(dian)(dian)金屬線(xian)(xian)(xian)(xian)(xian)材。有實(shi)心(xin)的(de)(de)﹑絞合的(de)(de)或(huo)(huo)箔片織造的(de)(de)等各(ge)種形式。按絕(jue)緣情況分為裸電(dian)(dian)線(xian)(xian)(xian)(xian)(xian)和(he)絕(jue)緣電(dian)(dian)線(xian)(xian)(xian)(xian)(xian)兩大類(lei)。電(dian)(dian)纜由一根(gen)或(huo)(huo)多根(gen)彼此絕(jue)緣的(de)(de)導電(dian)(dian)線(xian)(xian)(xian)(xian)(xian)心(xin)置于密封護套(tao)中構成的(de)(de)絕(jue)緣導線(xian)(xian)(xian)(xian)(xian)。其外可(ke)加維護覆蓋層,電(dian)(dian)線(xian)(xian)(xian)(xian)(xian)與(yu)電(dian)(dian)纜的(de)(de)差異(yi)在于電(dian)(dian)線(xian)(xian)(xian)(xian)(xian)的(de)(de)尺(chi)度...
交(jiao)聯度(du)(熱延伸)不合(he)(he)格(ge)(ge)交(jiao)聯度(du)達(da)不到規范(fan),則電纜的熱—機械(xie)功能不合(he)(he)格(ge)(ge),不能滿意工作(zuo)溫度(du)90℃的需求(qiu)。交(jiao)聯度(du)不合(he)(he)格(ge)(ge)的緣由,一是配(pei)(pei)方(fang)不合(he)(he)格(ge)(ge),配(pei)(pei)合(he)(he)劑的品種配(pei)(pei)比(bi)不妥(tuo)(tuo),大概調整(zheng)配(pei)(pei)方(fang)來(lai)處理(li);二是硫化(hua)技術不妥(tuo)(tuo),比(bi)方(fang)氣壓過低,線速快(kuai),冷卻水位高...
在全球電(dian)(dian)(dian)線電(dian)(dian)(dian)纜(lan)年會(hui)上,中國電(dian)(dian)(dian)力科學研究院(yuan)名譽總工(gong)程(cheng)師(shi)印永華在年會(hui)上描(miao)繪(hui)了中國電(dian)(dian)(dian)線電(dian)(dian)(dian)纜(lan)行業的(de)(de)宏偉(wei)(wei)藍圖:國內輸電(dian)(dian)(dian)行業發(fa)展(zhan)地如火如荼的(de)(de)同(tong)時(shi)還可(ke)以隨著國家宏偉(wei)(wei)戰(zhan)略“走(zou)出去”,中國電(dian)(dian)(dian)線電(dian)(dian)(dian)纜(lan)行業都(dou)將迎來難(nan)得的(de)(de)發(fa)展(zhan)機遇&helli...
3、鋁合金電(dian)纜的(de)彎(wan)曲性能(neng)彎(wan)曲試驗(yan):主要檢驗(yan)金屬的(de)抗彎(wan)曲性能(neng)。材質不勻或(huo)脆性的(de)材料,抗彎(wan)曲性能(neng)就差。根據GB/T12706-2008標準中對銅電(dian)纜安裝(zhuang)時彎(wan)曲半徑的(de)規定,銅纜的(de)彎(wan)曲半徑是(100~20)倍電(dian)纜直徑,鋁合金電(dian)纜的(de)彎(wan)曲半徑...
鋁合金(jin)電(dian)(dian)纜(lan)(lan)若想(xiang)在電(dian)(dian)力工程(cheng)中占有(you)一席之地(di),打破(po)銅(tong)電(dian)(dian)纜(lan)(lan)在電(dian)(dian)纜(lan)(lan)行(xing)業中的壟斷地(di)位,則應在與銅(tong)電(dian)(dian)纜(lan)(lan)的比較中,有(you)其獨特的技術與經濟(ji)優勢。鋁合金(jin)電(dian)(dian)纜(lan)(lan)的主要參(can)數(shu):鋁合金(jin)導體(ti)以金(jin)屬鋁為(wei)主要成分,通(tong)過(guo)添加銅(tong)(Cu)、錳(Mn)、鎂(Mg)、鈦(Ti)、鉻(Cr...
1、資料(liao)的(de)差異:電線(xian)(xian)(xian)用于(yu)承載電流的(de)導(dao)(dao)(dao)電金屬線(xian)(xian)(xian)材。有實心(xin)的(de)﹑絞合的(de)或(huo)(huo)箔片織造的(de)等各種形式。按絕(jue)緣(yuan)情況分為裸(luo)電線(xian)(xian)(xian)和絕(jue)緣(yuan)電線(xian)(xian)(xian)兩(liang)大(da)類。電纜(lan)由一根(gen)或(huo)(huo)多根(gen)彼此絕(jue)緣(yuan)的(de)導(dao)(dao)(dao)電線(xian)(xian)(xian)心(xin)置于(yu)密封護(hu)套中(zhong)構成(cheng)的(de)絕(jue)緣(yuan)導(dao)(dao)(dao)線(xian)(xian)(xian)。其外可加維護(hu)覆蓋層,電線(xian)(xian)(xian)與電纜(lan)的(de)差異在于(yu)電線(xian)(xian)(xian)的(de)尺度...
交聯(lian)(lian)度(熱延伸)不(bu)(bu)合(he)格(ge)(ge)交聯(lian)(lian)度達不(bu)(bu)到規范,則電纜(lan)的(de)熱—機械(xie)功能不(bu)(bu)合(he)格(ge)(ge),不(bu)(bu)能滿意工(gong)作(zuo)溫度90℃的(de)需求(qiu)。交聯(lian)(lian)度不(bu)(bu)合(he)格(ge)(ge)的(de)緣(yuan)由(you),一(yi)是配(pei)方不(bu)(bu)合(he)格(ge)(ge),配(pei)合(he)劑的(de)品種配(pei)比不(bu)(bu)妥,大(da)概(gai)調整配(pei)方來處理(li);二是硫化技(ji)術不(bu)(bu)妥,比方氣(qi)壓過低,線速快(kuai),冷卻(que)水位高(gao)...