對(dui)于架(jia)(jia)空輸電(dian)線路(lu),除了(le)導線電(dian)阻的(de)有功(gong)損耗(hao)(hao)外,還(huan)有電(dian)暈損耗(hao)(hao)和沿絕緣子漏電(dian)所致的(de)有功(gong)損耗(hao)(hao);對(dui)于電(dian)纜線路(lu),主要是(shi)介質損耗(hao)(hao)。 一(yi)般在架(jia)(jia)空線路(lu)中,由絕緣子泄露(lu)電(dian)流而(er)產生的(de)有功(gong)損耗(hao)(hao)極小,可忽略不記,...
電(dian)線(xian)(xian)(xian)電(dian)纜產品(pin)的(de)節(jie)距(ju)包(bao)括束線(xian)(xian)(xian)節(jie)距(ju)、絞(jiao)線(xian)(xian)(xian)節(jie)距(ju)、成纜節(jie)距(ju)、絕緣包(bao)帶(dai)(dai)節(jie)距(ju)、屏蔽包(bao)帶(dai)(dai)節(jie)距(ju)、墊層(ceng)繞包(bao)節(jie)距(ju)、鎧裝層(ceng)繞包(bao)節(jie)距(ju)等。 節(jie)距(ju)是指被絞(jiao)合(he)體(ti)(或繞包(bao)帶(dai)(dai)、線(xian)(xian)(xian))沿(yan)絞(jiao)合(he)軸線(xian)(xian)(xian)旋轉(zhuan)一周所前(qian)進的(de)距(ju)離。&nbs...
一(yi)、銅(tong)絲:這(zhe)是采用的(de)最為多(duo)的(de)原料(liao),沒有(you)之一(yi)。采用電解銅(tong)作(zuo)(zuo)為原料(liao),經連鑄連軋工藝制(zhi)成(cheng)的(de)的(de)銅(tong)線(xian)(xian)(xian)(xian)稱(cheng)為低氧(yang)銅(tong)線(xian)(xian)(xian)(xian);經上引法制(zhi)成(cheng)的(de)銅(tong)線(xian)(xian)(xian)(xian)稱(cheng)為無(wu)氧(yang)銅(tong)線(xian)(xian)(xian)(xian)。二、鋁線(xian)(xian)(xian)(xian):這(zhe)是由于銅(tong)價逐年上升,銅(tong)電纜(lan)制(zhi)造成(cheng)本(ben)用作(zuo)(zuo)電線(xian)(xian)(xian)(xian)用的(de)鋁線(xian)(xian)(xian)(xian)都要(yao)進行(xing)退火軟化過。用作(zuo)(zuo)電纜(lan)用的(de)鋁線(xian)(xian)(xian)(xian)一(yi)般(ban)不...
對于(yu)架(jia)空輸電線(xian)(xian)路,除了導線(xian)(xian)電阻的有功損耗外(wai),還有電暈損耗和沿絕(jue)緣子(zi)漏電所致的有功損耗;對于(yu)電纜線(xian)(xian)路,主要是介質損耗。 一般(ban)在架(jia)空線(xian)(xian)路中(zhong),由絕(jue)緣子(zi)泄露(lu)電流而產生的有功損耗極小,可...
一、在(zai)(zai)對線(xian)纜進(jin)行存(cun)(cun)放的(de)時候,嚴禁與酸、堿及(ji)礦物油(you)類接觸,要與這些有腐蝕(shi)性的(de)物質(zhi)隔離存(cun)(cun)放;二、貯存(cun)(cun)電纜的(de)庫房內不得有破壞絕緣及(ji)腐蝕(shi)金屬的(de)有害(hai)氣(qi)體存(cun)(cun)在(zai)(zai);三、盡可能(neng)避(bi)免在(zai)(zai)露天(tian)以裸露方式存(cun)(cun)放電纜,電纜盤(pan)不允許(xu)平放;四(si)、電纜在(zai)(zai)保管期(qi)...
電線(xian)(xian)電纜產(chan)品的(de)節(jie)(jie)(jie)距(ju)(ju)(ju)(ju)包(bao)(bao)括束線(xian)(xian)節(jie)(jie)(jie)距(ju)(ju)(ju)(ju)、絞線(xian)(xian)節(jie)(jie)(jie)距(ju)(ju)(ju)(ju)、成(cheng)纜節(jie)(jie)(jie)距(ju)(ju)(ju)(ju)、絕(jue)緣包(bao)(bao)帶(dai)節(jie)(jie)(jie)距(ju)(ju)(ju)(ju)、屏蔽包(bao)(bao)帶(dai)節(jie)(jie)(jie)距(ju)(ju)(ju)(ju)、墊層繞(rao)(rao)包(bao)(bao)節(jie)(jie)(jie)距(ju)(ju)(ju)(ju)、鎧裝層繞(rao)(rao)包(bao)(bao)節(jie)(jie)(jie)距(ju)(ju)(ju)(ju)等。 節(jie)(jie)(jie)距(ju)(ju)(ju)(ju)是指被(bei)絞合體(或繞(rao)(rao)包(bao)(bao)帶(dai)、線(xian)(xian))沿絞合軸(zhou)線(xian)(xian)旋轉(zhuan)一周所前進的(de)距(ju)(ju)(ju)(ju)離。&nbs...
購買(mai)電(dian)線電(dian)纜(lan)產(chan)品(pin)(pin)時應仔細觀察(cha)產(chan)品(pin)(pin)的合格證(zheng)對于(yu)產(chan)品(pin)(pin)型號、規格、額定電(dian)壓、芯數、生產(chan)日期、執行標(biao)準、許(xu)可證(zheng)編(bian)號等相關信(xin)息(xi)是(shi)(shi)否標(biao)注齊全,產(chan)品(pin)(pin)實(shi)物表面應印有廠(chang)名、產(chan)品(pin)(pin)型號和(he)額定電(dian)壓的連續性標(biao)志,核實(shi)兩者相關的信(xin)息(xi)是(shi)(shi)否一致。合格證(zheng)上都有長度標(biao)識,可先(xian)...
正確選擇電(dian)線(xian)(xian)電(dian)纜(lan)非常重(zhong)要,怎樣選擇電(dian)線(xian)(xian)電(dian)纜(lan)是(shi)很(hen)多(duo)客戶咨詢(xun)的(de)問題,一(yi)起來學習一(yi)下:首先,選用(yong)電(dian)線(xian)(xian)電(dian)纜(lan)產(chan)品時(shi),最好(hao)請教有經驗的(de)專業(ye)電(dian)工(gong),根據自(zi)己的(de)用(yong)電(dian)負荷來采用(yong)合(he)適截面大(da)小和(he)電(dian)壓等級的(de)電(dian)纜(lan)。長度和(he)截面是(shi)一(yi)個重(zhong)要因素(su),合(he)格證上都有長度標(biao)識,可先估(gu)...
擴(kuo)(kuo)徑(jing)導(dao)(dao)線(xian)(xian)(xian)(xian)就是把普(pu)通的(de)導(dao)(dao)線(xian)(xian)(xian)(xian)做成中空(里面用多(duo)股(gu)鋼芯線(xian)(xian)(xian)(xian)和(he)支(zhi)撐層(ceng)做成)或(huo)者減少其中部分層(ceng)單線(xian)(xian)(xian)(xian)數量(使該層(ceng)單線(xian)(xian)(xian)(xian)間存在一(yi)定數量空隙),最終達到(dao)增加導(dao)(dao)線(xian)(xian)(xian)(xian)的(de)等效(xiao)半徑(jing)的(de)目(mu)的(de)。當(dang)線(xian)(xian)(xian)(xian)路(lu)的(de)電(dian)壓超過(guo)220KV時(shi),為(wei)了降低線(xian)(xian)(xian)(xian)路(lu)電(dian)抗和(he)電(dian)暈損耗,通常采用擴(kuo)(kuo)徑(jing)導(dao)(dao)線(xian)(xian)(xian)(xian)。擴(kuo)(kuo)徑(jing)導(dao)(dao)...
擴徑(jing)導線(xian)(xian)適(shi)用于高低壓(ya)輸(shu)電(dian)(dian)線(xian)(xian)中(zhong)電(dian)(dian)廠(chang)及(ji)變電(dian)(dian)站配電(dian)(dian)線(xian)(xian)路(lu)、母(mu)線(xian)(xian)等。減少電(dian)(dian)暈損失,節約有色(se)金屬,線(xian)(xian)膨脹(zhang)系數較好(hao),電(dian)(dian)暈損失小(xiao),有良(liang)好(hao)的散熱性。一般在架空線(xian)(xian)路(lu)中(zhong),由絕緣(yuan)子泄露電(dian)(dian)流而產(chan)生的有功損耗極小(xiao),可忽略不記,所以對(dui)架空線(xian)(xian)路(lu)主要考慮電(dian)(dian)暈損耗。由于架空線(xian)(xian)...
擴徑導(dao)線(xian)(xian)線(xian)(xian)膨脹(zhang)系數較(jiao)好,電暈(yun)損失小,有良好的(de)散(san)熱性。適用于高(gao)低壓輸電線(xian)(xian)中(zhong)電廠及變電站配電線(xian)(xian)路、母線(xian)(xian)等。減少電暈(yun)損失,節約有色金屬。對于架空輸電線(xian)(xian)路,除了(le)導(dao)線(xian)(xian)電阻的(de)有功損耗外,還(huan)有電暈(yun)損耗和(he)沿絕緣子漏電所(suo)致的(de)有功損耗;對于電纜線(xian)(xian)路,主要是介質...
PVC聚氯(lv)乙烯(以下簡稱PVC)絕緣材料是在PVC粉中(zhong)添加穩定劑、增(zeng)塑劑、阻燃劑、潤(run)滑劑及其(qi)它助(zhu)劑的(de)混合物(wu)。針對電(dian)線電(dian)纜不同應(ying)(ying)用與不同的(de)特性需(xu)求,其(qi)配(pei)方做相應(ying)(ying)的(de)調整。經過幾十年(nian)的(de)生產和使用,目前PVC制造及加工(gong)技術已經非常成(cheng)熟。PV...
對(dui)于架空(kong)輸電(dian)(dian)(dian)線(xian)(xian)路(lu),除了導線(xian)(xian)電(dian)(dian)(dian)阻的有功損(sun)耗(hao)(hao)外,還(huan)有電(dian)(dian)(dian)暈損(sun)耗(hao)(hao)和沿絕緣(yuan)子漏電(dian)(dian)(dian)所致的有功損(sun)耗(hao)(hao);對(dui)于電(dian)(dian)(dian)纜(lan)線(xian)(xian)路(lu),主要是介(jie)質(zhi)損(sun)耗(hao)(hao)。一般在架空(kong)線(xian)(xian)路(lu)中,由絕緣(yuan)子泄露電(dian)(dian)(dian)流(liu)而(er)產生的有功損(sun)耗(hao)(hao)極(ji)小,可忽略不記,所以(yi)對(dui)架空(kong)線(xian)(xian)路(lu)主要考(kao)慮電(dian)(dian)(dian)暈損(sun)耗(hao)(hao)。由于架空(kong)線(xian)(xian)路(lu)的絕緣(yuan)介(jie)質(zhi)是...
一般來(lai)說,電(dian)線與(yu)電(dian)纜(lan)本質上是沒有什么區(qu)別(bie),國(guo)家(jia)標準也沒有明文規定,但是電(dian)線與(yu)電(dian)纜(lan)還是有區(qu)別(bie)的(de)(de)。電(dian)線與(yu)電(dian)纜(lan)的(de)(de)區(qu)別(bie),不是以額定電(dian)壓(ya)的(de)(de)高(gao)低(di),也不是以幾何尺寸大小,二十以它的(de)(de)外(wai)徑來(lai)區(qu)別(bie)。在電(dian)纜(lan)行業(ye),我們習慣(guan)上將工藝結構(gou)復雜的(de)(de)產品叫電(dian)纜(lan),工藝結構(gou)比較...
電線電纜(lan)生產(chan)過程質量檢(jian)驗(yan)是(shi)按(an)照生產(chan)計劃單,工藝指導書和操作規程的(de)(de)要(yao)求進(jin)行驗(yan)證(zheng)檢(jian)驗(yan)的(de)(de),檢(jian)驗(yan)的(de)(de)形式多(duo)種多(duo)樣,本文著重闡述按(an)生產(chan)過程分類的(de)(de)產(chan)品過程檢(jian)驗(yan),即首(shou)件(jian)檢(jian)驗(yan),巡回檢(jian)驗(yan),完工檢(jian)驗(yan)。一.首(shou)件(jian)檢(jian)驗(yan)首(shou)件(jian)檢(jian)驗(yan)應(ying)該是(shi)十分重要(yao)的(de)(de),因為在開始時能夠發現(xian)問題...
在銷(xiao)售弱(ruo)電線(xian)(xian)(xian)纜(lan)的(de)過(guo)程中,不管是線(xian)(xian)(xian)上還是線(xian)(xian)(xian)下(xia),很(hen)多客(ke)戶會問(wen)到辨別弱(ruo)電線(xian)(xian)(xian)纜(lan)質(zhi)量問(wen)題,怎么(me)來辨別?以下(xia)是遼寧大元(yuan)電纜(lan)小編整理的(de)關(guan)于5個辨別弱(ruo)電線(xian)(xian)(xian)纜(lan)質(zhi)量問(wen)題的(de)方法,歡(huan)迎借鑒!辨別弱(ruo)電線(xian)(xian)(xian)纜(lan)質(zhi)量問(wen)題的(de)五個方法:1.護套(tao):表(biao)面(mian)能看出壓緊里面(mian)編網有規律的(de)&...
電(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)纜(lan)在工作的(de)(de)時(shi)候電(dian)(dian)(dian)阻會產生(sheng)熱量這是大(da)家都知道(dao)的(de)(de)事實。電(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)纜(lan)的(de)(de)導線(xian)功率都非常小,發(fa)熱功率也有專業公式(shi)可以計算出來:q=I^2R。Q=I^2R表示(shi)通過導體的(de)(de)電(dian)(dian)(dian)流越大(da),它的(de)(de)加熱功率越大(da)(R基本上是恒定(ding)的(de)(de));如(ru)果電(dian)(dian)(dian)流恒定(ding),則導線(xian)的(de)(de)發(fa)...
改革開放以(yi)(yi)后,公(gong)共事業和住宅建設發展(zhan)迅速(su),家用(yong)電氣設備(bei)和其(qi)它用(yong)電設備(bei)日漸增多。但不可忽視的是在每年發生的火(huo)災(zai)(zai)中,電氣火(huo)災(zai)(zai)也(ye)呈上(shang)升趨勢。在短短的幾年中,電氣火(huo)災(zai)(zai)比例增長一倍以(yi)(yi)上(shang),其(qi)中相當一部分(fen)是由電纜(lan)電線(xian)的絕(jue)緣(yuan)損(sun)壞、過(guo)熱自(zi)燃(ran)、接(jie)觸不良、電纜(lan)單...
冬(dong)季嚴寒,許多施(shi)工(gong)人員(yuan)在敷設安裝電(dian)線(xian)(xian)電(dian)纜的時(shi)候會發(fa)現(xian)(xian),平時(shi)質量良(liang)好的電(dian)線(xian)(xian)電(dian)纜產(chan)(chan)品,經(jing)常(chang)會出(chu)現(xian)(xian)一些線(xian)(xian)體發(fa)硬、絕(jue)緣外皮脫落(luo)受損等現(xian)(xian)象,很多施(shi)工(gong)人員(yuan)以為是電(dian)線(xian)(xian)電(dian)纜產(chan)(chan)品本身出(chu)現(xian)(xian)了質量問(wen)題(ti),而電(dian)纜廠家也堅(jian)持產(chan)(chan)品在出(chu)廠時(shi)已經(jing)經(jing)過檢驗,是合格(ge)的產(chan)(chan)品,常(chang)常(chang)...
對(dui)(dui)于架空(kong)(kong)輸電(dian)線路(lu),除了導(dao)線電(dian)阻的(de)有(you)功損(sun)(sun)耗外,還(huan)有(you)電(dian)暈損(sun)(sun)耗和沿絕(jue)緣子漏電(dian)所(suo)(suo)致的(de)有(you)功損(sun)(sun)耗;對(dui)(dui)于電(dian)纜線路(lu),主要(yao)是介(jie)質(zhi)損(sun)(sun)耗。一般在(zai)架空(kong)(kong)線路(lu)中,由(you)絕(jue)緣子泄露電(dian)流(liu)而(er)產生的(de)有(you)功損(sun)(sun)耗極小,可忽略不記,所(suo)(suo)以對(dui)(dui)架空(kong)(kong)線路(lu)主要(yao)考慮(lv)電(dian)暈損(sun)(sun)耗。由(you)于架空(kong)(kong)線路(lu)的(de)絕(jue)緣介(jie)質(zhi)是...
電(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)纜(lan)(lan)老化(hua)故障的(de)原(yuan)因有很多(duo)種,最直接原(yuan)因是(shi)絕(jue)緣(yuan)降低(di)而(er)被擊穿。導敏絕(jue)緣(yuan)降低(di)的(de)因素很多(duo),根(gen)據實際運(yun)行經(jing)驗(yan),遼寧大元電(dian)(dian)(dian)纜(lan)(lan)小編歸納起來以下幾(ji)種情況。電(dian)(dian)(dian)纜(lan)(lan)老化(hua)的(de)幾(ji)點原(yuan)因1)電(dian)(dian)(dian)纜(lan)(lan)老化(hua)原(yuan)因:外力(li)損傷(shang)。由(you)近(jin)幾(ji)年的(de)運(yun)行分析(xi)來看(kan),尤其是(shi)在經(jing)濟高速發展中(zhong)的(de)海...
電(dian)(dian)線(xian)(xian)電(dian)(dian)纜(lan)已經成(cheng)為國民經濟發展的(de)(de)支(zhi)柱,在我們的(de)(de)生活中任何(he)的(de)(de)領域(yu)都已經離(li)不(bu)開(kai)線(xian)(xian)纜(lan)。隨著節能環(huan)(huan)保(bao)的(de)(de)不(bu)斷提倡,生產(chan)和(he)制造環(huan)(huan)保(bao)無公害的(de)(de)產(chan)品(pin)已經成(cheng)為全球性發展的(de)(de)趨勢(shi)。如何(he)推動電(dian)(dian)線(xian)(xian)電(dian)(dian)纜(lan)的(de)(de)發展呢(ni)?1、產(chan)品(pin)研發:目前(qian)國際上環(huan)(huan)保(bao)的(de)(de)法(fa)規越(yue)來越(yue)多,對線(xian)(xian)纜(lan)企(qi)業的(de)(de)生產(chan)...
對(dui)于排(pai)(pai)(pai)擠(ji)輸電線(xian)路,除導線(xian)電阻的(de)(de)有(you)(you)功(gong)消耗外,還有(you)(you)電暈消耗和(he)沿盡緣(yuan)子漏電而至的(de)(de)有(you)(you)功(gong)消耗;對(dui)于電纜線(xian)路,主要(yao)(yao)是介質消耗。一般在排(pai)(pai)(pai)擠(ji)線(xian)路中,由盡緣(yuan)子泄露電流而發生的(de)(de)有(you)(you)功(gong)消耗極小,可(ke)疏忽不(bu)記(ji),所以對(dui)排(pai)(pai)(pai)擠(ji)線(xian)路主要(yao)(yao)斟酌電暈消耗。由于排(pai)(pai)(pai)擠(ji)線(xian)路的(de)(de)盡緣(yuan)介質是空...
電線(xian)電纜在(zai)我國(guo)的(de)基礎建設(she)當中起到(dao)了很重要的(de)鏈接作用,隨著我國(guo)的(de)不斷(duan)(duan)發(fa)展,對(dui)(dui)(dui)于動力(li)電纜行(xing)(xing)業來說,針對(dui)(dui)(dui)不斷(duan)(duan)變化的(de)幣場(chang)和需求(qiu),傳(chuan)統的(de)行(xing)(xing)業模式已(yi)經不能適應幣場(chang)發(fa)展,所以對(dui)(dui)(dui)于很多企業來說,行(xing)(xing)業的(de)轉變刻不容緩。我國(guo)電線(xian)電纜行(xing)(xing)業仍然是(shi)繼續發(fa)展的(de)趨勢,但是(shi)...
冬季嚴寒(han),許(xu)多(duo)施工人(ren)員在敷設安裝電線電纜(lan)(lan)(lan)的時(shi)(shi)候(hou)會發現(xian),平時(shi)(shi)質(zhi)量良好的電線電纜(lan)(lan)(lan)產(chan)品(pin),經(jing)常會出現(xian)一些線體發硬、絕緣(yuan)外皮脫落受(shou)損(sun)等現(xian)象,很(hen)多(duo)施工人(ren)員以為是電線電纜(lan)(lan)(lan)產(chan)品(pin)本身(shen)出現(xian)了質(zhi)量問題(ti),而電纜(lan)(lan)(lan)廠家也堅持(chi)產(chan)品(pin)在出廠時(shi)(shi)已經(jing)...
對于架空(kong)輸電線(xian)(xian)路(lu),除(chu)了導線(xian)(xian)電阻的(de)有功損(sun)(sun)耗外,還有電暈損(sun)(sun)耗和沿絕緣(yuan)子漏電所致的(de)有功損(sun)(sun)耗;對于電纜線(xian)(xian)路(lu),主要是介質(zhi)損(sun)(sun)耗。 一般在(zai)架空(kong)線(xian)(xian)路(lu)中,由(you)絕緣(yuan)子泄露(lu)電流(liu)而產生的(de)有功損(sun)(sun)耗極小,可(ke)忽略不記,...
航(hang)空航(hang)天(tian)、機車車輛、能源、鋼鐵、有色金(jin)屬冶煉、石(shi)油開采、電機、建設(she)等領域需(xu)用耐高(gao)溫電線電纜。長期連續工作溫度(du)(du)(du)125度(du)(du)(du)、135度(du)(du)(du)、150度(du)(du)(du)、180度(du)(du)(du)、200度(du)(du)(du)、250度(du)(du)(du)及250度(du)(du)(du)以上(shang)的耐高(gao)...
為(wei)了增強人們的安(an)全(quan)(quan)(quan)(quan)意識,保障生活安(an)全(quan)(quan)(quan)(quan)與(yu)財產安(an)全(quan)(quan)(quan)(quan),提高電(dian)氣(qi)系統(tong)的安(an)全(quan)(quan)(quan)(quan)可靠性,大元(yuan)電(dian)纜(lan)小編總結出(chu)安(an)全(quan)(quan)(quan)(quan)用(yong)電(dian)的幾點小常識:1.總閘處(chu)保險絲的選用(yong)要合理(li),不(bu)允許使用(yong)銅(tong)絲、鋁(lv)絲或鐵絲來代(dai)替。2.所有(you)(you)的大功率(lv)或者有(you)(you)相關使用(yong)說明...
在購買電(dian)線(xian)的時候,相信大家都碰到強電(dian)和弱(ruo)電(dian)這2個概(gai)念,那么它(ta)(ta)們的區(qu)(qu)別(bie)大家知(zhi)道嗎?今天(tian)大元(yuan)電(dian)線(xian)電(dian)纜小編(bian)一分鐘教你辨別(bie)它(ta)(ta)們的區(qu)(qu)別(bie),因為(wei)高壓(ya)而(er)稱之(zhi)為(wei)強電(dian),因為(wei)低(di)壓(ya)而(er)稱之(zhi)為(wei)弱(ruo)電(dian)嗎?顯然不是的!一、強電(dian)和弱(ruo)電(dian)的區(qu)(qu)別(bie)&nbs...
電線電纜(lan)的制造與大多數(shu)(shu)機電產品的生產方式是(shi)完全不同的。機電產品通常(chang)采用將另件(jian)(jian)(jian)裝(zhuang)配成部件(jian)(jian)(jian)、多個部件(jian)(jian)(jian)再裝(zhuang)配成單臺產品,產品以臺數(shu)(shu)或件(jian)(jian)(jian)數(shu)(shu)計量。電線電纜(lan)是(shi)以長(chang)度為基本計量單位...
耐(nai)熱鋁合金導線(xian)適用于架(jia)空(kong)輸電線(xian)路,長期工作強(qiang)度可達(da)150℃,在相(xiang)同條件下,其傳輸容(rong)量比普(pu)(pu)通(tong)產(chan)(chan)品可提高60%。一、產(chan)(chan)品執行(xing)標準:本產(chan)(chan)品執行(xing)企業(ye)標準Q/09TDL030—1999。耐(nai)熱鋁合金導線(xian)系列主(zhu)要有(you)四種產(chan)(chan)品:1、普(pu)(pu)通(tong)型耐(nai)熱鋁合金導線(xian)2、高...
一要看(kan),看(kan)有(you)無質量體系認證(zheng)書(shu);看(kan)合格(ge)證(zheng)是否(fou)規范(fan);看(kan)有(you)無廠(chang)名(ming)、廠(chang)址、檢驗章、生(sheng)產日期;看(kan)電(dian)線上是否(fou)印(yin)有(you)商標(biao)、規格(ge)、電(dian)壓等。還要看(kan)電(dian)線銅(tong)芯的橫斷面,優等品(pin)紫銅(tong)顏色光亮、色澤柔和,否(fou)則便是次品(pin)。二要試,可取一根電(dian)線頭(tou)用手反復(fu)彎曲,凡是手感柔軟、抗...
大(da)元電纜廠家利用(yong)引進(jin)的部(bu)分關鍵專用(yong)設備(bei)和技術添加(jia)鋁(lv)鋯合金,將熔鋁(lv)燃(ran)煤爐(lu)改(gai)造成(cheng)熔鋁(lv)燃(ran)油或天然氣(qi)爐(lu),全部(bu)消除熔鋁(lv)燃(ran)煤爐(lu)燃(ran)煤煙(yan)(yan)(yan)塵和煙(yan)(yan)(yan)氣(qi)的排放,并設置(zhi)(zhi)煙(yan)(yan)(yan)氣(qi)過濾裝置(zhi)(zhi)凈化煙(yan)(yan)(yan)氣(qi),提高(gao)排放質量,提高(gao)成(cheng)品率,降(jiang)低成(cheng)本,同(tong)時(shi)使(shi)導(dao)線(xian)工作溫(wen)度從(cong)70℃提高(gao)到(dao)150℃...
特(te)高(gao)強(qiang)度(du)鋼芯耐熱150℃鋁(lv)(lv)合(he)金(jin)導(dao)(dao)(dao)線(xian)(xian)。也叫高(gao)強(qiang)耐熱鋁(lv)(lv)合(he)金(jin)導(dao)(dao)(dao)線(xian)(xian)主要適用(yong)(yong)于高(gao)壓輸電(dian)線(xian)(xian)路作(zuo)架空(kong)導(dao)(dao)(dao)線(xian)(xian)用(yong)(yong)。大元電(dian)纜作(zuo)為國內首條鋼芯耐熱鋁(lv)(lv)合(he)金(jin)導(dao)(dao)(dao)線(xian)(xian)的(de)制造者,高(gao)品質的(de)質量和較(jiao)低的(de)市場價格,一直領導(dao)(dao)(dao)耐熱鋁(lv)(lv)合(he)金(jin)導(dao)(dao)(dao)線(xian)(xian)的(de)市...
耐(nai)(nai)(nai)熱鋁合(he)(he)鋼芯鋁絞線(xian)適用于架空輸電線(xian)路,長(chang)期工作強(qiang)度(du)可(ke)達150℃,在相同條件下,其傳輸容(rong)(rong)量比(bi)普(pu)通產(chan)品可(ke)提高(gao)60%。一、耐(nai)(nai)(nai)熱鋁合(he)(he)金(jin)導線(xian)系列主(zhu)要有四種產(chan)品:1、普(pu)通型耐(nai)(nai)(nai)熱鋁合(he)(he)金(jin)導線(xian)2、高(gao)強(qiang)度(du)間隙(xi)型耐(nai)(nai)(nai)熱鋁合(he)(he)金(jin)導線(xian)3、超耐(nai)(nai)(nai)熱低弛度(du)倍容(rong)(rong)導線(xian)4、61T耐(nai)(nai)(nai)...
耐熱鋁(lv)合金(jin)(jin)鋼(gang)(gang)(gang)芯導線(xian)(xian)是單(dan)層或多層鋁(lv)股(gu)線(xian)(xian)絞合在鍍鋅(xin)鋼(gang)(gang)(gang)芯線(xian)(xian)外(wai)的(de)加強型導線(xian)(xian)。主要應(ying)用于電力(li)和輸(shu)電線(xian)(xian)路行業。一、耐熱鋁(lv)合金(jin)(jin)鋼(gang)(gang)(gang)芯導線(xian)(xian)的(de)結構: 鋼(gang)(gang)(gang)芯鋁(lv)絞線(xian)(xian)是由鋁(lv)線(xian)(xian)和鋼(gang)(gang)(gang)線(xian)(xian)絞合而(er)成的(de),適用于架空(kong)輸(shu)電線(xian)(xian)路用。 ...
對于排擠(ji)輸電線(xian)(xian)路(lu),除導線(xian)(xian)電阻的(de)(de)(de)有功(gong)消(xiao)(xiao)耗(hao)外,還有電暈(yun)(yun)消(xiao)(xiao)耗(hao)和沿盡緣(yuan)(yuan)子漏電而至的(de)(de)(de)有功(gong)消(xiao)(xiao)耗(hao);對于電纜線(xian)(xian)路(lu),主要是介(jie)質消(xiao)(xiao)耗(hao),一般在(zai)排擠(ji)線(xian)(xian)路(lu)中,由(you)盡緣(yuan)(yuan)子泄露電流而發生的(de)(de)(de)有功(gong)消(xiao)(xiao)耗(hao)極小,可疏忽不記,所以對排擠(ji)線(xian)(xian)路(lu)主要斟酌(zhuo)電暈(yun)(yun)消(xiao)(xiao)耗(hao)。由(you)于架(jia)空(kong)線(xian)(xian)路(lu)的(de)(de)(de)絕緣(yuan)(yuan)介(jie)質是空(kong)...
耐熱(re)鋁合(he)(he)金鋼芯導線(xian)是(shi)由(you)鋁線(xian)和鋼線(xian)絞(jiao)合(he)(he)而成的(de),適用(yong)(yong)于架空(kong)輸電線(xian)路用(yong)(yong)。它(ta)內部是(shi)鋼“芯”,外部是(shi)用(yong)(yong)鋁線(xian)通過絞(jiao)合(he)(he)方(fang)式(shi)纏(chan)繞在鋼芯周圍;鋼芯主(zhu)要(yao)起增加強度的(de)作用(yong)(yong),鋁絞(jiao)線(xian)主(zhu)要(yao)起傳送電能(neng)的(de)作用(yong)(yong);1.耐熱(re)鋁合(he)(he)金鋼芯導線(xian)英文名(ming)稱:alu...
假冒劣(lie)(lie)質電(dian)線(xian)電(dian)纜(lan)生(sheng)產者為了獲取暴利(li),不顧(gu)廣大(da)消費者的(de)(de)利(li)益(yi)(yi),大(da)量生(sheng)產劣(lie)(lie)質電(dian)線(xian)電(dian)纜(lan)產品(pin),擾亂電(dian)線(xian)電(dian)纜(lan)市場,損害廣大(da)用戶(hu)的(de)(de)利(li)益(yi)(yi)。所以,正確選擇電(dian)線(xian)電(dian)纜(lan)顯得非常重要,什么樣的(de)(de)產品(pin)才(cai)合格呢?電(dian)線(xian)電(dian)纜(lan)作為電(dian)力傳輸(shu)的(de)(de)主要載(zai)體,廣泛(fan)應用于電(dian)器(qi)裝備、照明線(xian)路...
電(dian)線(xian)電(dian)纜(lan)作為電(dian)力傳(chuan)輸的主(zhu)要載(zai)體(ti),廣泛(fan)應(ying)用于(yu)電(dian)器裝備、照明(ming)線(xian)路(lu)、家用電(dian)器等方面,鐵(tie)嶺大(da)元電(dian)纜(lan)小編給大(da)家普及下小知(zhi)識(shi):選(xuan)購(gou)電(dian)線(xian)電(dian)纜(lan)時注意以下幾(ji)點:1.產品(pin)的標(biao)識(shi)。選(xuan)購(gou)電(dian)線(xian)電(dian)纜(lan)產品(pin)時應(ying)觀察產品(pin)的合格證對于(yu)產品(pin)型號、規格、額(e)定電(dian)壓、芯(xin)數、生產日期(qi)、...
電(dian)線電(dian)纜是(shi)施工過程不可缺(que)少的(de)材料,一旦電(dian)纜起火,將會(hui)引(yin)起嚴重火災和停電(dian)事故(gu),此外,電(dian)纜燃燒時產生(sheng)大量(liang)濃煙和毒氣,不僅污染環(huan)境,而且危及人的(de)生(sheng)命安全。據筆者統(tong)計,去年發生(sheng)的(de)電(dian)線電(dian)纜火災事故(gu),占電(dian)氣火災事故(gu)總數的(de)40%左右。為了增強人們的(de)安全意...
與中國(guo)(guo)(guo)不同的(de)(de)西方國(guo)(guo)(guo)家是一個完全的(de)(de)私有制國(guo)(guo)(guo)家,國(guo)(guo)(guo)際"IEC"標準的(de)(de)前身最(zui)(zui)初也是誕生在(zai)單個企業主(zhu)地盤的(de)(de)產(chan)(chan)物(wu)。中國(guo)(guo)(guo)是世(shi)界上最(zui)(zui)大電線電纜生產(chan)(chan)國(guo)(guo)(guo),全球名列第一的(de)(de)年7000億的(de)(de)產(chan)(chan)值(zhi)。電線電纜產(chan)(chan)業發展迅速,對(dui)工業經濟(ji)的(de)(de)支撐作用日益(yi)明顯(xian)...
擴徑導(dao)線(xian)(xian)(xian)是以(yi)滿足技術條件的(de)常規導(dao)線(xian)(xian)(xian)規格為基準(zhun),采取擴大導(dao)線(xian)(xian)(xian)外徑技術,在保證電暈所要求的(de)導(dao)線(xian)(xian)(xian)外徑前(qian)提下,減(jian)少(shao)(shao)導(dao)線(xian)(xian)(xian)的(de)鋁截面,從(cong)而(er)減(jian)少(shao)(shao)導(dao)線(xian)(xian)(xian)的(de)總重(zhong)量(liang),減(jian)少(shao)(shao)鐵塔荷載和結(jie)構重(zhong)量(liang),極大地(di)降低線(xian)(xian)(xian)路造價。交流輸電線(xian)(xian)(xian)路的(de)電暈損失主(zhu)要與導(dao)線(xian)(xian)(xian)表面場強(qiang)和天氣有(you)關,...
電(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)纜行(xing)業(ye)發展迅速,到現在已經是(shi)我(wo)國(guo)第二大產業(ye),現在已經是(shi)到了(le)最為巔峰的時期(qi),相(xiang)信要(yao)想百(bai)尺竿頭(tou)更進一步,還(huan)是(shi)有不(bu)小的阻力。盡管電(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)纜行(xing)業(ye)發展也這么多年(nian)了(le),但(dan)是(shi)關于電(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)纜的制(zhi)造原料(liao)還(huan)是(shi)有很(hen)多外行(xing)不(bu)了(le)解,今天小...
對于架空輸電(dian)線路(lu),除了導線電(dian)阻的有(you)功損(sun)耗(hao)外,還有(you)電(dian)暈損(sun)耗(hao)和沿絕緣子漏電(dian)所(suo)致(zhi)的有(you)功損(sun)耗(hao);對于電(dian)纜線路(lu),主要(yao)是介質(zhi)損(sun)耗(hao)。 一般在(zai)架空線路(lu)中,由絕緣子泄露電(dian)流而(er)產生(sheng)的有(you)功損(sun)耗(hao)極小,可...
1、資料的(de)差(cha)(cha)異(yi)(yi):電(dian)線(xian)用于(yu)承載(zai)電(dian)流的(de)導(dao)電(dian)金屬線(xian)材。有實心(xin)的(de)﹑絞合的(de)或箔片織造(zao)的(de)等各(ge)種形式。按絕(jue)緣(yuan)情(qing)況(kuang)分為(wei)裸電(dian)線(xian)和絕(jue)緣(yuan)電(dian)線(xian)兩大類。電(dian)纜由一根或多(duo)根彼此(ci)絕(jue)緣(yuan)的(de)導(dao)電(dian)線(xian)心(xin)置于(yu)密封(feng)護(hu)套中構成的(de)絕(jue)緣(yuan)導(dao)線(xian)。其外可(ke)加維護(hu)覆蓋(gai)層,電(dian)線(xian)與(yu)電(dian)纜的(de)差(cha)(cha)異(yi)(yi)在(zai)于(yu)電(dian)線(xian)的(de)尺度(du)...
1、資料的(de)(de)差異:電(dian)(dian)(dian)線(xian)(xian)用于承載電(dian)(dian)(dian)流(liu)的(de)(de)導(dao)電(dian)(dian)(dian)金屬線(xian)(xian)材。有實心(xin)的(de)(de)﹑絞合(he)的(de)(de)或箔片織造的(de)(de)等(deng)各種(zhong)形式。按絕(jue)(jue)緣情況分(fen)為(wei)裸電(dian)(dian)(dian)線(xian)(xian)和(he)絕(jue)(jue)緣電(dian)(dian)(dian)線(xian)(xian)兩大類。電(dian)(dian)(dian)纜(lan)由一根或多(duo)根彼此絕(jue)(jue)緣的(de)(de)導(dao)電(dian)(dian)(dian)線(xian)(xian)心(xin)置于密封護套中構成的(de)(de)絕(jue)(jue)緣導(dao)線(xian)(xian)。其外可(ke)加維護覆蓋層,電(dian)(dian)(dian)線(xian)(xian)與電(dian)(dian)(dian)纜(lan)的(de)(de)差異在于電(dian)(dian)(dian)線(xian)(xian)的(de)(de)尺度...