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電(dian)纜專業生產廠家大(da)(da)元電(dian)纜主營產品，超(chao)小(xiao)節距軟鋁(lv)絞(jiao)線主要適用于超(chao)高(gao)壓大(da)(da)型變電(dian)站、換流(liu)站的設備與母(mu)線及線路器材接(jie)(jie)點之間的伸縮(suo)軟連接(jie)(jie)，可替(ti)代進口(kou)產品。超(chao)小(xiao)節距軟鋁(lv)絞(jiao)線特(te)點是(shi)由于節距小(xiao)，所以絞(jiao)線柔軟，彎曲時結(jie)構穩定、不松股、不跳線。遼寧大(da)(da)元電(dian)纜制...

1、保(bao)(bao)護(hu)層腐(fu)蝕(shi)：地下雜(za)散(san)電流的(de)電化腐(fu)蝕(shi)或非中性土壤的(de)化學腐(fu)蝕(shi)使保(bao)(bao)護(hu)層失(shi)效，失(shi)去對絕緣的(de)保(bao)(bao)護(hu)作用。解(jie)決辦法是，在雜(za)散(san)電流密集區安裝(zhuang)排(pai)流設備；當電纜(lan)線(xian)路上的(de)局部土壤含有損害電纜(lan)鉛(qian)包的(de)化學物(wu)質時，應將這段電纜(lan)裝(zhuang)于管內，并(bing)用中性土壤作電纜(lan)的(de)襯(chen)墊及覆...

  電線(xian)(xian)(xian)電纜產品(pin)的(de)節距(ju)(ju)(ju)包(bao)括(kuo)束線(xian)(xian)(xian)節距(ju)(ju)(ju)、絞線(xian)(xian)(xian)節距(ju)(ju)(ju)、成纜節距(ju)(ju)(ju)、絕緣包(bao)帶(dai)節距(ju)(ju)(ju)、屏蔽包(bao)帶(dai)節距(ju)(ju)(ju)、墊層繞包(bao)節距(ju)(ju)(ju)、鎧裝層繞包(bao)節距(ju)(ju)(ju)等。  節距(ju)(ju)(ju)是(shi)指被絞合體（或繞包(bao)帶(dai)、線(xian)(xian)(xian)）沿(yan)絞合軸線(xian)(xian)(xian)旋轉一周(zhou)所前進的(de)距(ju)(ju)(ju)離。&nbs...

1、塑料本身(shen)造(zao)成的(de)疙瘩，應適(shi)當地提(ti)高(gao)溫度。2、加(jia)料時嚴格檢(jian)查(cha)塑料是否有雜(za)物(wu)，加(jia)料時不要把其它雜(za)物(wu)加(jia)入料斗內，發現(xian)雜(za)質要立(li)即清(qing)理機頭(tou)(tou)，把螺桿(gan)內的(de)存膠跑凈。3、發現(xian)溫度超高(gao)要立(li)即適(shi)當降低溫度，如(ru)果效(xiao)果不見好(hao)，要立(li)即清(qing)洗(xi)機頭(tou)(tou)和(he)螺桿(gan)，排除(chu)焦燒物(wu)。4...

一(yi)、銅(tong)絲(si)：這是(shi)采用(yong)(yong)的(de)最為多(duo)的(de)原料，沒有(you)之一(yi)。采用(yong)(yong)電解(jie)銅(tong)作(zuo)為原料，經(jing)連鑄(zhu)連軋(ya)工藝制成的(de)的(de)銅(tong)線(xian)(xian)稱為低氧(yang)銅(tong)線(xian)(xian)；經(jing)上引法制成的(de)銅(tong)線(xian)(xian)稱為無氧(yang)銅(tong)線(xian)(xian)。二、鋁線(xian)(xian)：這是(shi)由于銅(tong)價逐年上升，銅(tong)電纜(lan)制造成本用(yong)(yong)作(zuo)電線(xian)(xian)用(yong)(yong)的(de)鋁線(xian)(xian)都要進行退火軟(ruan)化過。用(yong)(yong)作(zuo)電纜(lan)用(yong)(yong)的(de)鋁線(xian)(xian)一(yi)般(ban)不...

一、在對線(xian)纜(lan)進行存(cun)放(fang)(fang)的(de)時候，嚴禁與酸、堿及礦物(wu)油類接觸,要(yao)與這些有(you)(you)腐(fu)蝕性(xing)的(de)物(wu)質隔離存(cun)放(fang)(fang)；二、貯(zhu)存(cun)電(dian)纜(lan)的(de)庫房內不(bu)得有(you)(you)破壞絕緣及腐(fu)蝕金屬的(de)有(you)(you)害(hai)氣(qi)體存(cun)在；三、盡可能避免(mian)在露天以裸露方式(shi)存(cun)放(fang)(fang)電(dian)纜(lan)，電(dian)纜(lan)盤不(bu)允許平放(fang)(fang)；四、電(dian)纜(lan)在保管期(qi)...

一、電纜外(wai)徑(jing)粗(cu)細不(bu)(bu)(bu)均(jun)和竹(zhu)節(jie)(jie)形產(chan)生(sheng)粗(cu)細不(bu)(bu)(bu)均(jun)和竹(zhu)節(jie)(jie)形的(de)現象(xiang)1、由于(yu)(yu)螺桿(gan)或牽(qian)引(yin)(yin)不(bu)(bu)(bu)穩(wen)，造(zao)(zao)成電纜外(wai)徑(jing)粗(cu)細不(bu)(bu)(bu)均(jun)。2、由于(yu)(yu)牽(qian)引(yin)(yin)突然不(bu)(bu)(bu)穩(wen)，形成電纜的(de)塑料(liao)等(deng)呈(cheng)竹(zhu)節(jie)(jie)形。3、模具選配較(jiao)小，半成品(pin)外(wai)徑(jing)變(bian)化較(jiao)大，造(zao)(zao)成電纜的(de)塑料(liao)層厚(hou)度不(bu)(bu)(bu)均(jun)。產(chan)生(sheng)粗(cu)細不(bu)(bu)(bu)均(jun)和竹(zhu)節(jie)(jie)形的(de)原因(yin)1...

無論是個(ge)(ge)人(ren)安(an)(an)裝(zhuang)(zhuang)電(dian)(dian)線(xian)電(dian)(dian)纜，還是專業電(dian)(dian)力電(dian)(dian)纜公(gong)司安(an)(an)裝(zhuang)(zhuang)，都要(yao)(yao)在電(dian)(dian)線(xian)電(dian)(dian)纜安(an)(an)裝(zhuang)(zhuang)過(guo)程中遵守安(an)(an)裝(zhuang)(zhuang)事項，以(yi)確保(bao)(bao)個(ge)(ge)人(ren)安(an)(an)全。1、礦用電(dian)(dian)纜與(yu)熱力管道平(ping)行安(an)(an)裝(zhuang)(zhuang)時(shi)應保(bao)(bao)持2m的(de)距(ju)(ju)離，交叉時(shi)應保(bao)(bao)持0.5m。2、電(dian)(dian)纜與(yu)其它管道平(ping)行或交叉安(an)(an)裝(zhuang)(zhuang)時(shi)均要(yao)(yao)保(bao)(bao)持0.5m的(de)距(ju)(ju)離。3、電(dian)(dian)...

電(dian)纜已(yi)經是(shi)用電(dian)中必不(bu)可(ke)少(shao)的(de)(de)材料了，當然質量的(de)(de)好(hao)(hao)壞也直接影響到千(qian)家萬戶的(de)(de)安全，所以我們要按照國家的(de)(de)標準來選購電(dian)纜。那(nei)么怎(zen)么看電(dian)纜質量的(de)(de)好(hao)(hao)壞呢？1.電(dian)纜質量的(de)(de)好(hao)(hao)壞看有沒有在(zai)規定的(de)(de)重量范圍之內。質量差(cha)的(de)(de)一般重量不(bu)足，要么是(shi)因為長度不(bu)夠，要么就是(shi)電(dian)...

我國電網(wang)改造(zao)工作中(zhong)，有不(bu)(bu)少地區(qu)采用了地埋(mai)電纜。盡(jin)管聚氯乙稀絕緣塑料電纜具有較(jiao)好的化學穩定性能，并具有不(bu)(bu)占農(nong)田、運行(xing)安全、降(jiang)低線(xian)損等許(xu)(xu)多優點(dian)，但(dan)長期(qi)使用后，由于多種原因，地埋(mai)電線(xian)產生故障(zhang)現(xian)象逐(zhu)漸增多。據了解，敷設一年以上的地埋(mai)線(xian)，許(xu)(xu)多供電所轄...

屏(ping)蔽(bi)是為(wei)了保證在(zai)有電(dian)磁(ci)(ci)干(gan)(gan)(gan)擾(rao)環境下系統的(de)(de)傳輸性能，這里的(de)(de)抗干(gan)(gan)(gan)擾(rao)性應包(bao)括兩個方面，即抵御外來電(dian)磁(ci)(ci)干(gan)(gan)(gan)擾(rao)的(de)(de)能力以及系統本(ben)身向外輻射電(dian)磁(ci)(ci)干(gan)(gan)(gan)擾(rao)的(de)(de)能力。理(li)論上講，在(zai)線(xian)纜和連接件(jian)外表包(bao)上一層金屬材料(liao)屏(ping)蔽(bi)層，可以有效地濾除不必要(yao)的(de)(de)電(dian)磁(ci)(ci)波（這也是目前絕(jue)大多數屏(ping)...

隨著負荷(he)電流變化及環(huan)境溫度變化，可能(neng)有些電纜(lan)(lan)產(chan)品會發生熱(re)(re)伸縮(suo)的(de)情況，其(qi)中(zhong)因(yin)電纜(lan)(lan)線(xian)芯的(de)熱(re)(re)脹冷(leng)縮(suo)而(er)產(chan)生非常(chang)大的(de)熱(re)(re)機(ji)(ji)械(xie)力，電纜(lan)(lan)線(xian)芯截面越大，所(suo)產(chan)生的(de)熱(re)(re)機(ji)(ji)械(xie)力就越大;同時線(xian)芯和金屬護套還會因(yin)熱(re)(re)脹冷(leng)縮(suo)的(de)多次循環(huan)，而(er)產(chan)生蠕變。熱(re)(re)伸縮(suo)對電力電纜(lan)(lan)運行構成很...

電(dian)(dian)纜(lan)的制造與大多數機電(dian)(dian)產品(pin)的生(sheng)產方式是完(wan)全不同的。機電(dian)(dian)產品(pin)通常采用將另件(jian)裝配(pei)成部件(jian)、多個部件(jian)再裝配(pei)成單臺產品(pin)，產品(pin)以(yi)臺數或件(jian)數計(ji)量。電(dian)(dian)線電(dian)(dian)纜(lan)是以(yi)長度為基本計(ji)量單位。所有(you)電(dian)(dian)線電(dian)(dian)纜(lan)都是從導(dao)體(ti)加工開始，在導(dao)體(ti)的外(wai)圍(wei)一層一層地加上(shang)絕(jue)緣、屏蔽、成纜(lan)、...

隨著(zhu)負荷(he)電(dian)流變(bian)化及環(huan)境溫度變(bian)化，可能有些(xie)電(dian)纜產(chan)品會發(fa)生熱(re)(re)伸縮的(de)情況，其中因電(dian)纜線(xian)芯(xin)的(de)熱(re)(re)脹(zhang)(zhang)冷縮而產(chan)生非(fei)常大的(de)熱(re)(re)機(ji)械力，電(dian)纜線(xian)芯(xin)截面(mian)越大，所產(chan)生的(de)熱(re)(re)機(ji)械力就(jiu)越大;同時線(xian)芯(xin)和金屬護套還會因熱(re)(re)脹(zhang)(zhang)冷縮的(de)多次(ci)循環(huan)，而產(chan)生蠕(ru)變(bian)。熱(re)(re)伸縮對(dui)電(dian)力電(dian)纜運行(xing)構成很(hen)...

許多施(shi)工人員在(zai)敷設(she)安裝電(dian)線(xian)電(dian)纜的時(shi)候會(hui)發現(xian)，平時(shi)質量良好的電(dian)線(xian)電(dian)纜產(chan)品，經常(chang)會(hui)出(chu)(chu)現(xian)一些線(xian)體發硬、絕緣外皮(pi)脫(tuo)落受(shou)損等現(xian)象，很多施(shi)工人員以為是電(dian)線(xian)電(dian)纜產(chan)品本(ben)身出(chu)(chu)現(xian)了質量問題，而電(dian)纜廠家也堅持產(chan)品在(zai)出(chu)(chu)廠時(shi)已經經過檢(jian)驗，是合格的產(chan)品，常(chang)常(chang)導(dao)致雙方之...

一、是大電(dian)(dian)流電(dian)(dian)力電(dian)(dian)纜(lan)引發(fa)的(de)(de)(de)渦(wo)(wo)流問(wen)題電(dian)(dian)力電(dian)(dian)纜(lan)在施工中,有(you)采用(yong)鋼(gang)支(zhi)架的(de)(de)(de),有(you)采用(yong)鋼(gang)質(zhi)保(bao)護管的(de)(de)(de),有(you)采用(yong)電(dian)(dian)纜(lan)卡與架空敷設的(de)(de)(de),凡是在電(dian)(dian)力電(dian)(dian)纜(lan)周圍形成鋼(gang)(鐵)性(xing)閉(bi)合回路(lu)的(de)(de)(de),均有(you)可能形成渦(wo)(wo)流,特別是在大電(dian)(dian)流電(dian)(dian)力電(dian)(dian)纜(lan)系統(tong)中,渦(wo)(wo)流更大。在電(dian)(dian)力電(dian)(dian)纜(lan)施工時,必須采...

電(dian)(dian)(dian)線電(dian)(dian)(dian)纜在工作的(de)時(shi)候(hou)電(dian)(dian)(dian)阻會產生熱量(liang)這是大(da)家都(dou)知道的(de)事實。電(dian)(dian)(dian)線電(dian)(dian)(dian)纜的(de)導(dao)線功率(lv)都(dou)非常小，發熱功率(lv)也有專業公式可以(yi)計(ji)算出來(lai)：q=I^2R。Q=I^2R表示通過導(dao)體的(de)電(dian)(dian)(dian)流越(yue)大(da)，它的(de)加熱功率(lv)越(yue)大(da)（R基(ji)本上(shang)是恒(heng)定的(de)）;如果電(dian)(dian)(dian)流恒(heng)定，則導(dao)線的(de)發...

改(gai)革開放以(yi)后，公共事業和(he)住(zhu)宅建設(she)發(fa)展迅速，家(jia)用電(dian)(dian)(dian)氣(qi)(qi)設(she)備和(he)其它用電(dian)(dian)(dian)設(she)備日漸增多。但不可(ke)忽視的是(shi)(shi)在每年發(fa)生的火災(zai)中，電(dian)(dian)(dian)氣(qi)(qi)火災(zai)也(ye)呈上升趨勢(shi)。在短(duan)短(duan)的幾年中，電(dian)(dian)(dian)氣(qi)(qi)火災(zai)比例增長一倍以(yi)上，其中相當一部分(fen)是(shi)(shi)由電(dian)(dian)(dian)纜電(dian)(dian)(dian)線的絕緣損壞(huai)、過熱自燃(ran)、接觸不良、電(dian)(dian)(dian)纜單...

冬季嚴寒，許多施工(gong)人員在敷設安裝(zhuang)電(dian)(dian)線電(dian)(dian)纜(lan)的(de)時(shi)候會發(fa)現(xian)，平時(shi)質量良好(hao)的(de)電(dian)(dian)線電(dian)(dian)纜(lan)產品，經(jing)常(chang)會出(chu)現(xian)一些線體(ti)發(fa)硬(ying)、絕(jue)緣(yuan)外皮脫落受損(sun)等現(xian)象，很多施工(gong)人員以為是電(dian)(dian)線電(dian)(dian)纜(lan)產品本身出(chu)現(xian)了質量問題，而電(dian)(dian)纜(lan)廠家也(ye)堅持產品在出(chu)廠時(shi)已(yi)經(jing)經(jing)過檢驗，是合(he)格的(de)產品，常(chang)常(chang)...

一(yi)、防(fang)雷(lei)擊反(fan)事故措施(1)更(geng)換、安裝(zhuang)支柱式(shi)絕緣子或瓷橫擔。雷(lei)擊10kV架空線(xian)路針式(shi)絕緣子事故，是最多見的(de)設備事故，造成這類事故的(de)原(yuan)因除了(le)本地(di)區雷(lei)暴日多之外，針式(shi)絕緣子質量不過關(guan)也是主要原(yuan)因，前幾年(nian)我們采用(yong)和安裝(zhuang)的(de)P-15、P-20單裙(qun)、雙裙(qun)...

電線(xian)電纜已經(jing)成(cheng)為(wei)(wei)國(guo)民經(jing)濟發展(zhan)的(de)(de)(de)支(zhi)柱，在我們的(de)(de)(de)生活中任(ren)何(he)的(de)(de)(de)領域都已經(jing)離不開線(xian)纜。隨(sui)著節能環保(bao)的(de)(de)(de)不斷提倡，生產和制造(zao)環保(bao)無公(gong)害的(de)(de)(de)產品(pin)已經(jing)成(cheng)為(wei)(wei)全球性發展(zhan)的(de)(de)(de)趨勢。如何(he)推動電線(xian)電纜的(de)(de)(de)發展(zhan)呢？1、產品(pin)研發：目前國(guo)際上環保(bao)的(de)(de)(de)法規越(yue)(yue)來越(yue)(yue)多，對線(xian)纜企業的(de)(de)(de)生產...

電(dian)(dian)(dian)(dian)力(li)(li)電(dian)(dian)(dian)(dian)纜對轉彎(wan)半(ban)徑的(de)要求也比較嚴(yan)格。電(dian)(dian)(dian)(dian)力(li)(li)電(dian)(dian)(dian)(dian)纜在施工中，如果電(dian)(dian)(dian)(dian)力(li)(li)電(dian)(dian)(dian)(dian)纜轉彎(wan)角度過大，可能使(shi)導體內部受到機械(xie)損傷(shang)，而機械(xie)損傷(shang)因被電(dian)(dian)(dian)(dian)力(li)(li)電(dian)(dian)(dian)(dian)纜絕緣(yuan)層掩蓋而無(wu)法看到，即使(shi)測(ce)量回路電(dian)(dian)(dian)(dian)阻，絕緣(yuan)和泄(xie)露試驗也很難發現缺陷，運(yun)行時則在受損處過熱(re)使(shi)電(dian)(dian)(dian)(dian)纜絕緣(yuan)強度下降(jiang)，...

電(dian)(dian)(dian)(dian)力(li)(li)電(dian)(dian)(dian)(dian)纜(lan)是用于(yu)傳輸和(he)分(fen)配電(dian)(dian)(dian)(dian)能(neng)的電(dian)(dian)(dian)(dian)纜(lan)，電(dian)(dian)(dian)(dian)力(li)(li)電(dian)(dian)(dian)(dian)纜(lan)常(chang)用于(yu)城市地下電(dian)(dian)(dian)(dian)網、發(fa)電(dian)(dian)(dian)(dian)站(zhan)引出線路、工礦企業內部供電(dian)(dian)(dian)(dian)及(ji)過江海水(shui)下輸電(dian)(dian)(dian)(dian)線。在(zai)電(dian)(dian)(dian)(dian)力(li)(li)線路中(zhong)，電(dian)(dian)(dian)(dian)纜(lan)所占比(bi)重正逐漸(jian)增加。電(dian)(dian)(dian)(dian)力(li)(li)電(dian)(dian)(dian)(dian)纜(lan)是在(zai)電(dian)(dian)(dian)(dian)力(li)(li)系統的主干(gan)線路中(zhong)用以傳輸和(he)分(fen)配大功率電(dian)(dian)(dian)(dian)能(neng)的電(dian)(dian)(dian)(dian)纜(lan)產品(pin)，其中(zhong)包括1-500...

電(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)纜(lan)(lan)在(zai)(zai)電(dian)(dian)(dian)(dian)力系(xi)統主干線(xian)中用以傳輸(shu)和分配大功能(neng)電(dian)(dian)(dian)(dian)能(neng)，控制(zhi)電(dian)(dian)(dian)(dian)纜(lan)(lan)從(cong)電(dian)(dian)(dian)(dian)力系(xi)統的配電(dian)(dian)(dian)(dian)點把電(dian)(dian)(dian)(dian)能(neng)直(zhi)接傳輸(shu)到各(ge)種用電(dian)(dian)(dian)(dian)設(she)備器具的電(dian)(dian)(dian)(dian)源連接線(xian)路(lu)。電(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)纜(lan)(lan)的額定電(dian)(dian)(dian)(dian)壓一(yi)般為(wei)0.6/1kV及以上，控制(zhi)電(dian)(dian)(dian)(dian)纜(lan)(lan)主要為(wei)450/750V。同(tong)樣(yang)規格的電(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)纜(lan)(lan)和控制(zhi)電(dian)(dian)(dian)(dian)纜(lan)(lan)在(zai)(zai)生產時...

一、額定電(dian)壓1KV及(ji)以(yi)下架空(kong)絕緣電(dian)纜(GB12527-90)產品用(yong)途：用(yong)于交流額定電(dian)壓U0/U為(wei)0.6/1KV及(ji)以(yi)下架空(kong)電(dian)力電(dian)纜。使用(yong)特性：聚氯(lv)乙烯(xi)絕緣電(dian)纜導體的長期工作(zuo)溫度不(bu)超(chao)過70℃，短路時(shi)(最(zui)長持續時(shi)間不(bu)超(chao)過5S)導體最(zui)高工作(zuo)溫度...

在電(dian)(dian)(dian)(dian)力(li)(li)系(xi)統中(zhong)常用的電(dian)(dian)(dian)(dian)纜(lan)有電(dian)(dian)(dian)(dian)力(li)(li)電(dian)(dian)(dian)(dian)纜(lan)和控(kong)制電(dian)(dian)(dian)(dian)纜(lan)兩(liang)大類，其中(zhong)電(dian)(dian)(dian)(dian)力(li)(li)電(dian)(dian)(dian)(dian)纜(lan)是用來輸送和分配大功(gong)率電(dian)(dian)(dian)(dian)能的。按(an)絕(jue)緣(yuan)材料的不同，可以分為油(you)浸紙絕(jue)緣(yuan)電(dian)(dian)(dian)(dian)力(li)(li)電(dian)(dian)(dian)(dian)纜(lan)、橡皮絕(jue)緣(yuan)電(dian)(dian)(dian)(dian)力(li)(li)電(dian)(dian)(dian)(dian)纜(lan)和聚氯乙烯絕(jue)緣(yuan)電(dian)(dian)(dian)(dian)纜(lan)，在工程上(shang)應用最廣泛的是油(you)浸紙絕(jue)緣(yuan)電(dian)(dian)(dian)(dian)力(li)(li)電(dian)(dian)(dian)(dian)纜(lan)，由于電(dian)(dian)(dian)(dian)纜(lan)在制作中(zhong)，以及...

控(kong)(kong)制電(dian)纜的(de)額定(ding)(ding)電(dian)壓(ya)應(ying)(ying)不低于(yu)該回路的(de)工作電(dian)壓(ya),并應(ying)(ying)滿足可能經受的(de)暫態和工頻過(guo)電(dian)壓(ya)的(de)要求(qiu)。[3] 為保證(zheng)控(kong)(kong)制電(dian)纜在(zai)發生(sheng)絕緣擊穿、機(ji)械損(sun)傷或著火時，減(jian)少波及的(de)范圍，國(guo)家標準(zhun)GB50217-91《電(dian)力工程(cheng)電(dian)纜設(she)計規范》規定(ding)(ding)：雙重化保護的(de)...

控(kong)制電(dian)(dian)纜是適(shi)用于工礦(kuang)企業、能源交通部門、供(gong)交流(liu)額定電(dian)(dian)壓450/750伏(fu)以下控(kong)制、保(bao)護(hu)線(xian)(xian)路等場合使用的聚氯乙(yi)烯(xi)絕緣、聚氯乙(yi)烯(xi)護(hu)套控(kong)制電(dian)(dian)纜。控(kong)制電(dian)(dian)纜安裝布線(xian)(xian)的注意事項(xiang)：1.屋檐下。電(dian)(dian)纜只在不直接暴露(lu)在陽光照射或超高溫(wen)下，標準局(ju)域網電(dian)(dian)纜就可以應用...

1、看標簽(qian)。正(zheng)規(gui)(gui)廠家生產的電(dian)纜(lan)合格證的內容應包括：3C認證標志、認證編號(hao)、型號(hao)規(gui)(gui)格、執行標準、額(e)定(ding)電(dian)壓、電(dian)纜(lan)長度、生產日(ri)期、生產者、檢驗者、廠名、廠址、固定(ding)電(dian)話、防(fang)偽標示等。而假(jia)冒產品的標簽(qian)往(wang)往(wang)印刷不(bu)清或印制內容不(bu)全。2、看表面。正(zheng)規(gui)(gui)電(dian)纜(lan)的...

  冬季嚴(yan)寒，許(xu)多施工人員(yuan)在敷設(she)安裝電(dian)(dian)線電(dian)(dian)纜(lan)(lan)的(de)時(shi)候會發現，平時(shi)質量(liang)良好(hao)的(de)電(dian)(dian)線電(dian)(dian)纜(lan)(lan)產(chan)(chan)品，經常會出現一些線體發硬(ying)、絕(jue)緣(yuan)外皮脫落受損等現象，很多施工人員(yuan)以為是電(dian)(dian)線電(dian)(dian)纜(lan)(lan)產(chan)(chan)品本身出現了質量(liang)問(wen)題，而電(dian)(dian)纜(lan)(lan)廠(chang)家也堅持產(chan)(chan)品在出廠(chang)時(shi)已(yi)經...

  在(zai)市場(chang)上有很多(duo)電(dian)線品種，要根據自己的(de)(de)(de)(de)(de)用電(dian)負荷來(lai)采用合適(shi)的(de)(de)(de)(de)(de)電(dian)線。市場(chang)上賣的(de)(de)(de)(de)(de)電(dian)線有的(de)(de)(de)(de)(de)便宜(yi)(yi)有的(de)(de)(de)(de)(de)比較(jiao)貴，有的(de)(de)(de)(de)(de)人往(wang)往(wang)會(hui)選(xuan)擇(ze)比較(jiao)便宜(yi)(yi)的(de)(de)(de)(de)(de)，可是，便宜(yi)(yi)的(de)(de)(de)(de)(de)電(dian)線，往(wang)往(wang)有很多(duo)達不到(dao)他說明(ming)的(de)(de)(de)(de)(de)那樣(yang)的(de)(de)(de)(de)(de)性能(neng)，這樣(yang)可能(neng)會(hui)給自己帶來(lai)很多(duo)安(an)全隱患。...

  電纜(lan)(lan)導體的(de)長期允(yun)許工作溫(wen)(wen)度應(ying)(ying)不(bu)超過70℃。敷(fu)設(she)(she)時(shi)電纜(lan)(lan)的(de)溫(wen)(wen)度應(ying)(ying)不(bu)低于0℃，敷(fu)設(she)(she)時(shi)彎曲半徑應(ying)(ying)不(bu)小(xiao)于電纜(lan)(lan)外徑的(de)10倍。有鎧(kai)裝層(ceng)或(huo)銅帶屏(ping)蔽(bi)結構的(de)電纜(lan)(lan)，應(ying)(ying)不(bu)小(xiao)于電纜(lan)(lan)外徑的(de)12倍。   特別...

低電(dian)(dian)(dian)感(gan)電(dian)(dian)(dian)纜(lan)  有(you)強電(dian)(dian)(dian)與弱電(dian)(dian)(dian)之分(fen)，這(zhe)里(li)介紹(shao)一(yi)種強電(dian)(dian)(dian)用(yong)低感(gan)電(dian)(dian)(dian)纜(lan)。此電(dian)(dian)(dian)纜(lan)帶有(you)熱耗散裝置，用(yong)于各類(lei)接(jie)觸焊機(ji)、電(dian)(dian)(dian)弧焊機(ji)與氣動焊鉗(qian)間相連接(jie)的新型水冷(leng)式低感(gan)電(dian)(dian)(dian)纜(lan)，具有(you)結構簡單合理、冷(leng)卻水流通量大、不(bu)會形成堵塞阻(zu)斷和限流現象(xiang)、散熱效(xiao)果(guo)...

特種電(dian)纜的分類：一、特輕型鋼芯鋁(lv)絞線(xian) 1．主要(yao)用(yong)(yong)途(tu)：本產品適用(yong)(yong)于高(gao)壓輸(shu)電(dian)線(xian)路作架空導線(xian)，或者(zhe)用(yong)(yong)于變(bian)電(dian)站（所）作為輸(shu)電(dian)母線(xian)。 2．產品特點：體輕可降低懸垂度(du)，可解決出(chu)線(xian)回(hui)路多(duo)而出(chu)線(xian)走(zou)廊(lang)資源(yuan)有(you)限的問題，明顯提高(gao)輸(shu)電(dian)走(zou)廊(lang)的效率(lv)...

作為(wei)料重(zhong)工(gong)輕、對資金要(yao)求(qiu)極(ji)高的行(xing)業(ye)，電(dian)纜企(qi)業(ye)的發展長期受資金問題制(zhi)約。一(yi)旦資金鏈跟不上，一(yi)個電(dian)纜企(qi)業(ye)很快將處于倒(dao)閉邊緣，因為(wei)沒錢買(mai)原材(cai)料，只能斷貨，而(er)下(xia)游(you)電(dian)力(li)企(qi)業(ye)的訂(ding)單(dan)無(wu)法交付(fu)，又(you)會面臨(lin)各(ge)種嚴重(zhong)后果(guo)。業(ye)內(nei)人士認為(wei)，當前電(dian)纜企(qi)業(ye)主要(yao)面臨(lin)融資渠...

一(yi)、如何辨別(bie)強弱(ruo)(ruo)(ruo)電(dian)(dian)(dian)(dian)？1.強電(dian)(dian)(dian)(dian)傳(chuan)導的(de)是(shi)(shi)電(dian)(dian)(dian)(dian)能，而弱(ruo)(ruo)(ruo)電(dian)(dian)(dian)(dian)傳(chuan)導的(de)是(shi)(shi)信號。如電(dian)(dian)(dian)(dian)動剃須刀、手電(dian)(dian)(dian)(dian)筒等(deng)傳(chuan)導的(de)就(jiu)是(shi)(shi)電(dian)(dian)(dian)(dian)能，屬于(yu)強電(dian)(dian)(dian)(dian)類，若僅因其電(dian)(dian)(dian)(dian)源為兩節干電(dian)(dian)(dian)(dian)池、電(dian)(dian)(dian)(dian)壓(ya)較小，就(jiu)將其判定為弱(ruo)(ruo)(ruo)電(dian)(dian)(dian)(dian)是(shi)(shi)非常不正確的(de)。2.高壓(ya)包(bao)括強電(dian)(dian)(dian)(dian)，強電(dian)(dian)(dian)(dian)不一(yi)定屬于(yu)高壓(ya);低壓(ya)包(bao)括弱(ruo)(ruo)(ruo)電(dian)(dian)(dian)(dian)，弱(ruo)(ruo)(ruo)電(dian)(dian)(dian)(dian)一(yi)定...

耐(nai)火銅(tong)芯護套軟(ruan)電(dian)纜是在(zai)無縫金屬(shu)管（碳鋼管、鈦(tai)管、不(bu)銹鋼管、銅(tong)管）內放入電(dian)熱(re)絲，并在(zai)空(kong)隙部分(fen)緊密地填充有良好的導熱(re)性和(he)(he)絕緣(yuan)性的結晶(jing)氧化(hua)鎂，電(dian)熱(re)絲兩(liang)端(duan)是通過兩(liang)個引出棒與電(dian)源相接，空(kong)隙部分(fen)填滿有良好導熱(re)性和(he)(he)絕緣(yuan)性的氧化(hua)鎂粉后縮(suo)管而(er)成，再加工成...

電(dian)線電(dian)纜(lan)(lan)(lan)作為(wei)電(dian)力傳輸的(de)主要(yao)載體(ti)，廣泛應(ying)用于(yu)電(dian)器(qi)裝備、照明線路、家(jia)用電(dian)器(qi)等方面(mian)，鐵嶺大元電(dian)纜(lan)(lan)(lan)小編給(gei)大家(jia)普及下小知識：選購(gou)電(dian)線電(dian)纜(lan)(lan)(lan)時(shi)注意以下幾(ji)點(dian)：1.產品的(de)標(biao)識。選購(gou)電(dian)線電(dian)纜(lan)(lan)(lan)產品時(shi)應(ying)觀(guan)察產品的(de)合格證對于(yu)產品型號、規格、額定電(dian)壓、芯數、生(sheng)產日期、...