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1、保(bao)護(hu)層腐蝕(shi)：地(di)下雜(za)散電(dian)流(liu)的(de)(de)電(dian)化腐蝕(shi)或非中性土壤的(de)(de)化學腐蝕(shi)使保(bao)護(hu)層失效，失去對絕(jue)緣的(de)(de)保(bao)護(hu)作(zuo)用。解(jie)決(jue)辦法(fa)是，在雜(za)散電(dian)流(liu)密集(ji)區安裝(zhuang)排流(liu)設備；當電(dian)纜線路上(shang)的(de)(de)局部土壤含有損害(hai)電(dian)纜鉛包的(de)(de)化學物質(zhi)時，應將這段(duan)電(dian)纜裝(zhuang)于管內，并用中性土壤作(zuo)電(dian)纜的(de)(de)襯(chen)墊及覆...

  電線電纜(lan)產品的(de)節(jie)(jie)(jie)(jie)距(ju)(ju)包(bao)(bao)(bao)括束線節(jie)(jie)(jie)(jie)距(ju)(ju)、絞(jiao)線節(jie)(jie)(jie)(jie)距(ju)(ju)、成(cheng)纜(lan)節(jie)(jie)(jie)(jie)距(ju)(ju)、絕緣包(bao)(bao)(bao)帶(dai)節(jie)(jie)(jie)(jie)距(ju)(ju)、屏蔽(bi)包(bao)(bao)(bao)帶(dai)節(jie)(jie)(jie)(jie)距(ju)(ju)、墊層(ceng)繞包(bao)(bao)(bao)節(jie)(jie)(jie)(jie)距(ju)(ju)、鎧裝層(ceng)繞包(bao)(bao)(bao)節(jie)(jie)(jie)(jie)距(ju)(ju)等(deng)。  節(jie)(jie)(jie)(jie)距(ju)(ju)是指(zhi)被絞(jiao)合體（或繞包(bao)(bao)(bao)帶(dai)、線）沿絞(jiao)合軸線旋(xuan)轉一周所前進(jin)的(de)距(ju)(ju)離。&nbs...

1、塑料(liao)本身造(zao)成(cheng)的(de)疙瘩，應適當地提(ti)高溫度。2、加料(liao)時嚴格檢查塑料(liao)是否有雜(za)物，加料(liao)時不要把其(qi)它雜(za)物加入料(liao)斗(dou)內(nei)，發(fa)現雜(za)質要立即(ji)清理機頭，把螺(luo)桿內(nei)的(de)存(cun)膠(jiao)跑凈。3、發(fa)現溫度超高要立即(ji)適當降低溫度，如果效果不見好(hao)，要立即(ji)清洗(xi)機頭和螺(luo)桿，排(pai)除(chu)焦燒物。4...

一(yi)(yi)、銅(tong)(tong)(tong)絲：這(zhe)是(shi)采用的(de)(de)(de)最為多的(de)(de)(de)原(yuan)料，沒有之一(yi)(yi)。采用電解銅(tong)(tong)(tong)作(zuo)(zuo)為原(yuan)料，經連鑄連軋工藝制成(cheng)(cheng)的(de)(de)(de)的(de)(de)(de)銅(tong)(tong)(tong)線(xian)稱為低氧銅(tong)(tong)(tong)線(xian)；經上引(yin)法制成(cheng)(cheng)的(de)(de)(de)銅(tong)(tong)(tong)線(xian)稱為無氧銅(tong)(tong)(tong)線(xian)。二、鋁線(xian)：這(zhe)是(shi)由(you)于銅(tong)(tong)(tong)價逐年上升(sheng)，銅(tong)(tong)(tong)電纜制造成(cheng)(cheng)本用作(zuo)(zuo)電線(xian)用的(de)(de)(de)鋁線(xian)都要進(jin)行退火軟化過。用作(zuo)(zuo)電纜用的(de)(de)(de)鋁線(xian)一(yi)(yi)般不...

一、在(zai)對線纜(lan)進行存(cun)放的(de)時候，嚴禁與(yu)酸、堿及礦物油類接(jie)觸,要與(yu)這些有腐(fu)蝕性(xing)的(de)物質隔(ge)離(li)存(cun)放；二(er)、貯存(cun)電纜(lan)的(de)庫房內(nei)不得有破壞絕緣及腐(fu)蝕金屬的(de)有害氣體存(cun)在(zai)；三、盡(jin)可能避免在(zai)露天以裸露方式存(cun)放電纜(lan)，電纜(lan)盤不允許平放；四、電纜(lan)在(zai)保管期...

一、電(dian)纜(lan)外(wai)(wai)徑(jing)粗(cu)(cu)細(xi)不(bu)均(jun)和(he)竹節形(xing)(xing)產生(sheng)粗(cu)(cu)細(xi)不(bu)均(jun)和(he)竹節形(xing)(xing)的現象1、由于螺桿或牽引不(bu)穩(wen)，造(zao)成電(dian)纜(lan)外(wai)(wai)徑(jing)粗(cu)(cu)細(xi)不(bu)均(jun)。2、由于牽引突然不(bu)穩(wen)，形(xing)(xing)成電(dian)纜(lan)的塑料(liao)等呈(cheng)竹節形(xing)(xing)。3、模(mo)具選配較(jiao)小，半成品外(wai)(wai)徑(jing)變化(hua)較(jiao)大，造(zao)成電(dian)纜(lan)的塑料(liao)層(ceng)厚度不(bu)均(jun)。產生(sheng)粗(cu)(cu)細(xi)不(bu)均(jun)和(he)竹節形(xing)(xing)的原因1...

無論是個(ge)人安(an)(an)裝(zhuang)(zhuang)(zhuang)電(dian)(dian)(dian)(dian)線電(dian)(dian)(dian)(dian)纜，還是專業電(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)纜公司安(an)(an)裝(zhuang)(zhuang)(zhuang)，都要在(zai)電(dian)(dian)(dian)(dian)線電(dian)(dian)(dian)(dian)纜安(an)(an)裝(zhuang)(zhuang)(zhuang)過程(cheng)中遵守安(an)(an)裝(zhuang)(zhuang)(zhuang)事項，以確保(bao)(bao)個(ge)人安(an)(an)全(quan)。1、礦用電(dian)(dian)(dian)(dian)纜與熱力(li)管道平行安(an)(an)裝(zhuang)(zhuang)(zhuang)時應(ying)保(bao)(bao)持2m的(de)距離，交(jiao)叉(cha)時應(ying)保(bao)(bao)持0.5m。2、電(dian)(dian)(dian)(dian)纜與其它管道平行或交(jiao)叉(cha)安(an)(an)裝(zhuang)(zhuang)(zhuang)時均要保(bao)(bao)持0.5m的(de)距離。3、電(dian)(dian)(dian)(dian)...

電纜已經(jing)是(shi)(shi)用電中必不(bu)(bu)可(ke)少的(de)(de)材料了，當然(ran)質量(liang)的(de)(de)好壞(huai)也直(zhi)接(jie)影響(xiang)到千家(jia)萬(wan)戶的(de)(de)安全，所以我們要按(an)照國(guo)家(jia)的(de)(de)標準來(lai)選(xuan)購(gou)電纜。那么(me)(me)(me)怎么(me)(me)(me)看電纜質量(liang)的(de)(de)好壞(huai)呢？1.電纜質量(liang)的(de)(de)好壞(huai)看有沒有在(zai)規定(ding)的(de)(de)重量(liang)范圍之內。質量(liang)差的(de)(de)一般重量(liang)不(bu)(bu)足(zu)，要么(me)(me)(me)是(shi)(shi)因為長度不(bu)(bu)夠，要么(me)(me)(me)就是(shi)(shi)電...

我國電(dian)(dian)網改造工作中，有(you)(you)不(bu)少地區(qu)采用了地埋(mai)電(dian)(dian)纜。盡管聚氯乙稀絕緣塑料電(dian)(dian)纜具有(you)(you)較好(hao)的化學穩定性能(neng)，并具有(you)(you)不(bu)占農田、運行安全、降低線(xian)(xian)損等許多(duo)(duo)優點，但長期使(shi)用后，由于多(duo)(duo)種原因，地埋(mai)電(dian)(dian)線(xian)(xian)產(chan)生故障(zhang)現象逐漸(jian)增多(duo)(duo)。據了解，敷設一年以上的地埋(mai)線(xian)(xian)，許多(duo)(duo)供(gong)電(dian)(dian)所(suo)轄...

屏蔽(bi)是為(wei)了(le)保證在有(you)電(dian)(dian)(dian)磁干(gan)擾(rao)(rao)環境下系統的(de)傳輸性(xing)能，這里的(de)抗干(gan)擾(rao)(rao)性(xing)應包括兩個方面，即抵(di)御外來(lai)電(dian)(dian)(dian)磁干(gan)擾(rao)(rao)的(de)能力以及系統本身向外輻射電(dian)(dian)(dian)磁干(gan)擾(rao)(rao)的(de)能力。理論上講(jiang)，在線纜和連接(jie)件外表包上一層(ceng)金屬材料屏蔽(bi)層(ceng)，可以有(you)效地(di)濾除不必要的(de)電(dian)(dian)(dian)磁波（這也是目(mu)前絕大多數(shu)屏...

隨著負荷電流(liu)變化(hua)及環境溫(wen)度變化(hua)，可(ke)能(neng)有些(xie)電纜產品會發生熱伸(shen)(shen)縮(suo)(suo)的情況，其中因電纜線(xian)芯(xin)的熱脹(zhang)(zhang)冷(leng)縮(suo)(suo)而產生非常大的熱機(ji)械力，電纜線(xian)芯(xin)截面越大，所(suo)產生的熱機(ji)械力就越大;同時(shi)線(xian)芯(xin)和金屬(shu)護套還會因熱脹(zhang)(zhang)冷(leng)縮(suo)(suo)的多次(ci)循環，而產生蠕變。熱伸(shen)(shen)縮(suo)(suo)對(dui)電力電纜運行構成很...

電纜(lan)的制造與(yu)大多數(shu)機(ji)電產(chan)品的生產(chan)方式是完全不(bu)同的。機(ji)電產(chan)品通常采用將(jiang)另件(jian)(jian)裝配(pei)成部件(jian)(jian)、多個部件(jian)(jian)再裝配(pei)成單(dan)臺產(chan)品，產(chan)品以(yi)臺數(shu)或件(jian)(jian)數(shu)計量。電線電纜(lan)是以(yi)長度為(wei)基本計量單(dan)位。所有電線電纜(lan)都(dou)是從導(dao)(dao)體加工開始，在導(dao)(dao)體的外圍(wei)一層一層地加上絕緣、屏蔽、成纜(lan)、...

隨(sui)著負荷(he)電(dian)(dian)流變(bian)化及(ji)環境溫(wen)度變(bian)化，可能有些電(dian)(dian)纜(lan)(lan)產(chan)品會發生(sheng)熱伸(shen)縮的(de)情況，其中因(yin)電(dian)(dian)纜(lan)(lan)線(xian)芯的(de)熱脹冷(leng)縮而產(chan)生(sheng)非(fei)常大的(de)熱機(ji)械(xie)力(li)，電(dian)(dian)纜(lan)(lan)線(xian)芯截面(mian)越(yue)大，所產(chan)生(sheng)的(de)熱機(ji)械(xie)力(li)就(jiu)越(yue)大;同時線(xian)芯和金屬護套還(huan)會因(yin)熱脹冷(leng)縮的(de)多(duo)次(ci)循環，而產(chan)生(sheng)蠕(ru)變(bian)。熱伸(shen)縮對電(dian)(dian)力(li)電(dian)(dian)纜(lan)(lan)運行構成(cheng)很...

許多施工(gong)人員(yuan)在敷設安裝電線(xian)(xian)電纜的時(shi)候會(hui)發(fa)現(xian)(xian)，平時(shi)質量良(liang)好的電線(xian)(xian)電纜產(chan)品(pin)，經常(chang)會(hui)出現(xian)(xian)一些線(xian)(xian)體(ti)發(fa)硬、絕緣外皮脫落受損等(deng)現(xian)(xian)象，很多施工(gong)人員(yuan)以為(wei)是電線(xian)(xian)電纜產(chan)品(pin)本(ben)身出現(xian)(xian)了質量問題，而電纜廠(chang)家(jia)也(ye)堅持產(chan)品(pin)在出廠(chang)時(shi)已(yi)經經過檢驗(yan)，是合格(ge)的產(chan)品(pin)，常(chang)常(chang)導致雙(shuang)方之...

一、是大(da)電(dian)流(liu)(liu)電(dian)力(li)電(dian)纜(lan)引發的(de)(de)渦流(liu)(liu)問題電(dian)力(li)電(dian)纜(lan)在施(shi)工(gong)中,有采(cai)(cai)用(yong)鋼支架(jia)的(de)(de),有采(cai)(cai)用(yong)鋼質保護(hu)管的(de)(de),有采(cai)(cai)用(yong)電(dian)纜(lan)卡與架(jia)空敷設(she)的(de)(de),凡(fan)是在電(dian)力(li)電(dian)纜(lan)周圍形成鋼(鐵(tie))性閉(bi)合回路的(de)(de),均有可(ke)能(neng)形成渦流(liu)(liu),特別(bie)是在大(da)電(dian)流(liu)(liu)電(dian)力(li)電(dian)纜(lan)系統中,渦流(liu)(liu)更大(da)。在電(dian)力(li)電(dian)纜(lan)施(shi)工(gong)時(shi),必須采(cai)(cai)...

電(dian)線電(dian)纜(lan)在工作的(de)(de)時候電(dian)阻會產生熱量這是(shi)大家都知道的(de)(de)事(shi)實。電(dian)線電(dian)纜(lan)的(de)(de)導(dao)線功率都非常小，發熱功率也有專業公式(shi)可以計(ji)算出來：q=I^2R。Q=I^2R表(biao)示通過導(dao)體的(de)(de)電(dian)流越大，它的(de)(de)加熱功率越大（R基本上(shang)是(shi)恒定的(de)(de)）;如(ru)果電(dian)流恒定，則導(dao)線的(de)(de)發...

改革開放以后，公共事業和住宅(zhai)建設(she)(she)發展迅速(su)，家用電氣(qi)設(she)(she)備和其它用電設(she)(she)備日(ri)漸增多。但不可忽視的(de)是在每年發生(sheng)的(de)火(huo)(huo)災中(zhong)，電氣(qi)火(huo)(huo)災也(ye)呈上升(sheng)趨勢。在短短的(de)幾年中(zhong)，電氣(qi)火(huo)(huo)災比例增長一(yi)倍以上，其中(zhong)相當一(yi)部分是由電纜(lan)電線的(de)絕緣(yuan)損壞、過熱自(zi)燃、接觸(chu)不良(liang)、電纜(lan)單...

冬季嚴寒，許(xu)多施(shi)工人(ren)員在敷設安裝電線電纜的時候會發現，平(ping)時質(zhi)量良(liang)好的電線電纜產(chan)(chan)品，經常(chang)會出現一些線體發硬、絕緣外皮脫落受損等(deng)現象，很多施(shi)工人(ren)員以為是電線電纜產(chan)(chan)品本(ben)身出現了質(zhi)量問題，而電纜廠(chang)(chang)家也(ye)堅持產(chan)(chan)品在出廠(chang)(chang)時已經經過(guo)檢驗(yan)，是合格的產(chan)(chan)品，常(chang)常(chang)...

一、防(fang)雷擊反事(shi)(shi)故(gu)措施(1)更換、安裝支柱式(shi)絕(jue)緣子(zi)或(huo)瓷橫擔。雷擊10kV架空線(xian)路針式(shi)絕(jue)緣子(zi)事(shi)(shi)故(gu)，是(shi)最多見的設(she)備事(shi)(shi)故(gu)，造(zao)成這類事(shi)(shi)故(gu)的原因除了(le)本(ben)地區雷暴(bao)日多之外，針式(shi)絕(jue)緣子(zi)質(zhi)量不過關也(ye)是(shi)主要原因，前幾年我們采用(yong)和安裝的P-15、P-20單(dan)裙(qun)、雙(shuang)裙(qun)...

電線電纜已經(jing)成為國民(min)經(jing)濟發展的支柱，在我們的生活(huo)中(zhong)任何的領域(yu)都已經(jing)離(li)不(bu)開線纜。隨著(zhu)節能環保的不(bu)斷提倡，生產和(he)制造環保無公害的產品已經(jing)成為全球性發展的趨勢(shi)。如何推動電線電纜的發展呢？1、產品研發：目前國際(ji)上環保的法規越(yue)來越(yue)多，對線纜企(qi)業的生產...

電力(li)電纜(lan)對(dui)轉(zhuan)彎(wan)半徑(jing)的要求也比(bi)較嚴格。電力(li)電纜(lan)在施工中，如(ru)果電力(li)電纜(lan)轉(zhuan)彎(wan)角度過大，可能使導體內部受到機械損(sun)傷，而(er)機械損(sun)傷因被電力(li)電纜(lan)絕(jue)緣(yuan)層掩(yan)蓋而(er)無法看到，即使測量回(hui)路電阻，絕(jue)緣(yuan)和泄露試驗也很(hen)難發現(xian)缺陷，運行時則在受損(sun)處過熱使電纜(lan)絕(jue)緣(yuan)強(qiang)度下降(jiang)，...

電(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)是用于(yu)傳(chuan)輸(shu)(shu)(shu)和分(fen)配電(dian)(dian)(dian)(dian)(dian)(dian)(dian)能(neng)的(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)常(chang)用于(yu)城市地(di)下電(dian)(dian)(dian)(dian)(dian)(dian)(dian)網、發電(dian)(dian)(dian)(dian)(dian)(dian)(dian)站引(yin)出線(xian)路、工礦企業(ye)內部供電(dian)(dian)(dian)(dian)(dian)(dian)(dian)及(ji)過(guo)江海水下輸(shu)(shu)(shu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)。在電(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)線(xian)路中，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)所占(zhan)比重正逐漸增加。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)是在電(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)系(xi)統的(de)主干線(xian)路中用以傳(chuan)輸(shu)(shu)(shu)和分(fen)配大(da)功(gong)率電(dian)(dian)(dian)(dian)(dian)(dian)(dian)能(neng)的(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)產品，其中包括1-500...

電(dian)力(li)電(dian)纜(lan)在電(dian)力(li)系(xi)統(tong)主(zhu)干線(xian)中用(yong)以(yi)傳輸和分配大功(gong)能電(dian)能，控(kong)制電(dian)纜(lan)從電(dian)力(li)系(xi)統(tong)的(de)配電(dian)點(dian)把電(dian)能直接(jie)傳輸到各種(zhong)用(yong)電(dian)設備(bei)器具的(de)電(dian)源連接(jie)線(xian)路。電(dian)力(li)電(dian)纜(lan)的(de)額定(ding)電(dian)壓一般為(wei)0.6/1kV及(ji)以(yi)上，控(kong)制電(dian)纜(lan)主(zhu)要為(wei)450/750V。同樣規格的(de)電(dian)力(li)電(dian)纜(lan)和控(kong)制電(dian)纜(lan)在生產時...

一、額(e)定電(dian)壓1KV及以(yi)下架(jia)空絕(jue)緣電(dian)纜(GB12527-90)產(chan)品用(yong)途(tu)：用(yong)于交流(liu)額(e)定電(dian)壓U0/U為0.6/1KV及以(yi)下架(jia)空電(dian)力(li)電(dian)纜。使用(yong)特性：聚氯乙烯絕(jue)緣電(dian)纜導體(ti)的長期工作(zuo)溫度不超過(guo)70℃，短路時(最長持續時間不超過(guo)5S)導體(ti)最高工作(zuo)溫度...

在電(dian)(dian)(dian)力(li)(li)(li)系統中常用的(de)電(dian)(dian)(dian)纜(lan)(lan)有(you)電(dian)(dian)(dian)力(li)(li)(li)電(dian)(dian)(dian)纜(lan)(lan)和(he)控制電(dian)(dian)(dian)纜(lan)(lan)兩大(da)類(lei)，其中電(dian)(dian)(dian)力(li)(li)(li)電(dian)(dian)(dian)纜(lan)(lan)是用來輸送(song)和(he)分(fen)配大(da)功率電(dian)(dian)(dian)能的(de)。按絕(jue)緣(yuan)材(cai)料的(de)不同，可以(yi)分(fen)為油(you)浸(jin)紙絕(jue)緣(yuan)電(dian)(dian)(dian)力(li)(li)(li)電(dian)(dian)(dian)纜(lan)(lan)、橡皮絕(jue)緣(yuan)電(dian)(dian)(dian)力(li)(li)(li)電(dian)(dian)(dian)纜(lan)(lan)和(he)聚氯乙烯絕(jue)緣(yuan)電(dian)(dian)(dian)纜(lan)(lan)，在工(gong)程上應用最廣泛的(de)是油(you)浸(jin)紙絕(jue)緣(yuan)電(dian)(dian)(dian)力(li)(li)(li)電(dian)(dian)(dian)纜(lan)(lan)，由于(yu)電(dian)(dian)(dian)纜(lan)(lan)在制作中，以(yi)及...

控制(zhi)電(dian)纜的額(e)定電(dian)壓應(ying)(ying)不低(di)于該回路的工(gong)作電(dian)壓,并應(ying)(ying)滿足可(ke)能(neng)經(jing)受的暫態和工(gong)頻過電(dian)壓的要求(qiu)。[3] 為保證(zheng)控制(zhi)電(dian)纜在發生絕緣擊穿、機械損傷(shang)或著火時，減少波及的范(fan)圍，國家標準GB50217-91《電(dian)力(li)工(gong)程電(dian)纜設計規范(fan)》規定：雙重化(hua)保護的...

控制(zhi)電(dian)纜(lan)(lan)(lan)是適用于工礦企業、能(neng)源交通部(bu)門、供交流額定(ding)電(dian)壓450/750伏以(yi)下(xia)控制(zhi)、保護線(xian)路等場合(he)使用的聚(ju)氯乙烯(xi)絕緣(yuan)、聚(ju)氯乙烯(xi)護套(tao)控制(zhi)電(dian)纜(lan)(lan)(lan)。控制(zhi)電(dian)纜(lan)(lan)(lan)安(an)裝布線(xian)的注意(yi)事項：1.屋檐下(xia)。電(dian)纜(lan)(lan)(lan)只在不直接(jie)暴露在陽光照射(she)或超高溫下(xia)，標準局域網電(dian)纜(lan)(lan)(lan)就可以(yi)應用...

1、看標(biao)簽(qian)。正規(gui)廠(chang)(chang)家(jia)生產的電纜(lan)(lan)合格證(zheng)的內容應包(bao)括：3C認(ren)證(zheng)標(biao)志(zhi)、認(ren)證(zheng)編號、型號規(gui)格、執(zhi)行標(biao)準(zhun)、額定(ding)電壓、電纜(lan)(lan)長度(du)、生產日期、生產者(zhe)(zhe)、檢驗(yan)者(zhe)(zhe)、廠(chang)(chang)名、廠(chang)(chang)址、固定(ding)電話、防偽標(biao)示等。而假冒產品的標(biao)簽(qian)往往印刷不(bu)清(qing)或印制內容不(bu)全。2、看表(biao)面。正規(gui)電纜(lan)(lan)的...

  冬(dong)季嚴寒，許多(duo)施(shi)(shi)工人(ren)員在敷設安裝電(dian)線(xian)電(dian)纜的(de)時(shi)候會(hui)發(fa)(fa)現，平(ping)時(shi)質量良好(hao)的(de)電(dian)線(xian)電(dian)纜產(chan)(chan)(chan)品，經(jing)常會(hui)出現一些(xie)線(xian)體發(fa)(fa)硬、絕緣外(wai)皮(pi)脫落受損等現象，很多(duo)施(shi)(shi)工人(ren)員以為是電(dian)線(xian)電(dian)纜產(chan)(chan)(chan)品本身出現了(le)質量問題，而電(dian)纜廠(chang)(chang)家也堅持(chi)產(chan)(chan)(chan)品在出廠(chang)(chang)時(shi)已(yi)經(jing)...

  在市場(chang)上(shang)有很(hen)多電(dian)線(xian)(xian)品種，要根據(ju)自(zi)己的(de)用電(dian)負荷來采用合適的(de)電(dian)線(xian)(xian)。市場(chang)上(shang)賣的(de)電(dian)線(xian)(xian)有的(de)便宜有的(de)比(bi)較(jiao)貴，有的(de)人(ren)往(wang)(wang)往(wang)(wang)會選擇比(bi)較(jiao)便宜的(de)，可是，便宜的(de)電(dian)線(xian)(xian)，往(wang)(wang)往(wang)(wang)有很(hen)多達(da)不到(dao)他說明的(de)那樣的(de)性能，這樣可能會給自(zi)己帶(dai)來很(hen)多安全隱患。...

  電(dian)(dian)纜(lan)導體的(de)長期允許工作溫度應(ying)(ying)不(bu)超(chao)過70℃。敷設(she)時(shi)電(dian)(dian)纜(lan)的(de)溫度應(ying)(ying)不(bu)低于0℃，敷設(she)時(shi)彎(wan)曲半徑(jing)應(ying)(ying)不(bu)小(xiao)于電(dian)(dian)纜(lan)外徑(jing)的(de)10倍。有鎧裝層或銅帶屏蔽結構的(de)電(dian)(dian)纜(lan)，應(ying)(ying)不(bu)小(xiao)于電(dian)(dian)纜(lan)外徑(jing)的(de)12倍。   特別(bie)...

低電(dian)(dian)感(gan)電(dian)(dian)纜  有(you)(you)強(qiang)電(dian)(dian)與弱電(dian)(dian)之分(fen)，這里介紹(shao)一種(zhong)強(qiang)電(dian)(dian)用低感(gan)電(dian)(dian)纜。此電(dian)(dian)纜帶有(you)(you)熱耗散裝置，用于各(ge)類接觸(chu)焊(han)機(ji)、電(dian)(dian)弧焊(han)機(ji)與氣動焊(han)鉗間相連(lian)接的(de)新(xin)型水冷(leng)式低感(gan)電(dian)(dian)纜，具(ju)有(you)(you)結構簡單合理(li)、冷(leng)卻水流通量大(da)、不(bu)會形成堵塞阻斷和限流現(xian)象、散熱效果...

特(te)種電(dian)纜的(de)分類：一、特(te)輕型鋼芯鋁絞線(xian) 1．主要用途：本產品(pin)適用于高(gao)壓輸電(dian)線(xian)路(lu)作架空導線(xian)，或(huo)者用于變電(dian)站（所）作為輸電(dian)母線(xian)。 2．產品(pin)特(te)點(dian)：體輕可降低懸垂度，可解(jie)決出線(xian)回(hui)路(lu)多而出線(xian)走廊資(zi)源有限的(de)問題，明顯提(ti)高(gao)輸電(dian)走廊的(de)效率...

作為料重工(gong)輕(qing)、對資金要求極高的行業(ye)，電(dian)纜(lan)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(lan)企(qi)業(ye)很(hen)快將處于倒(dao)閉邊緣，因為沒錢買原材料，只(zhi)能(neng)斷貨，而下(xia)游電(dian)力企(qi)業(ye)的訂單無法(fa)交(jiao)付，又(you)會面(mian)臨各種嚴重后(hou)果。業(ye)內人(ren)士認為，當前電(dian)纜(lan)企(qi)業(ye)主要面(mian)臨融資渠...

一、如(ru)何辨別強弱電(dian)？1.強電(dian)傳導的(de)(de)是(shi)(shi)電(dian)能，而弱電(dian)傳導的(de)(de)是(shi)(shi)信(xin)號(hao)。如(ru)電(dian)動剃須刀、手電(dian)筒等傳導的(de)(de)就是(shi)(shi)電(dian)能，屬(shu)(shu)于強電(dian)類(lei)，若(ruo)僅因其(qi)電(dian)源為兩節(jie)干(gan)電(dian)池、電(dian)壓(ya)(ya)較小，就將其(qi)判定為弱電(dian)是(shi)(shi)非常不正(zheng)確(que)的(de)(de)。2.高壓(ya)(ya)包括強電(dian)，強電(dian)不一定屬(shu)(shu)于高壓(ya)(ya);低壓(ya)(ya)包括弱電(dian)，弱電(dian)一定...

耐火銅(tong)芯(xin)護套軟電(dian)(dian)(dian)纜是在(zai)無縫金屬管(guan)(guan)(guan)（碳鋼管(guan)(guan)(guan)、鈦管(guan)(guan)(guan)、不銹鋼管(guan)(guan)(guan)、銅(tong)管(guan)(guan)(guan)）內放入電(dian)(dian)(dian)熱絲(si)(si)，并在(zai)空(kong)隙部分緊密地填(tian)充有良好的(de)導熱性和絕緣性的(de)結晶氧化鎂(mei)，電(dian)(dian)(dian)熱絲(si)(si)兩(liang)端是通(tong)過兩(liang)個引出(chu)棒與(yu)電(dian)(dian)(dian)源相接(jie)，空(kong)隙部分填(tian)滿有良好導熱性和絕緣性的(de)氧化鎂(mei)粉后(hou)縮管(guan)(guan)(guan)而成，再加工成...

電(dian)(dian)(dian)線電(dian)(dian)(dian)纜作為電(dian)(dian)(dian)力傳輸的主(zhu)要(yao)載體，廣泛(fan)應用于(yu)電(dian)(dian)(dian)器(qi)裝備、照明線路、家用電(dian)(dian)(dian)器(qi)等方面，鐵嶺(ling)大(da)元電(dian)(dian)(dian)纜小(xiao)編給大(da)家普及下小(xiao)知識(shi)：選購電(dian)(dian)(dian)線電(dian)(dian)(dian)纜時注意以下幾點：1.產(chan)(chan)品(pin)(pin)的標識(shi)。選購電(dian)(dian)(dian)線電(dian)(dian)(dian)纜產(chan)(chan)品(pin)(pin)時應觀察產(chan)(chan)品(pin)(pin)的合格證對(dui)于(yu)產(chan)(chan)品(pin)(pin)型(xing)號、規格、額定電(dian)(dian)(dian)壓、芯數、生(sheng)產(chan)(chan)日(ri)期、...