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不合(he)格(ge)電(dian)線電(dian)纜的(de)危害

電線電纜是用于傳輸電力、傳輸信息和(he)實(shi)現電磁能量轉(zhuan)換的一大(da)類(lei)電工產(chan)品(pin)。在抽查過程(cheng)中，發現了大(da)量的不(bu)合(he)格產(chan)品(pin)，這些劣(lie)質產(chan)品(pin)給(gei)電力系(xi)統(tong)正常(chang)運行埋下(xia)諸多隱患。

1、標(biao)(biao)志(zhi)不(bu)合(he)格的電(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)纜。標(biao)(biao)志(zhi)是(shi)電(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)纜使用識別產(chan)(chan)品基本信息的主要途徑，根(gen)據標(biao)(biao)準(zhun)規定標(biao)(biao)志(zhi)的主要內(nei)容是(shi)：產(chan)(chan)品型號、規格、標(biao)(biao)準(zhun)號、廠名、產(chan)(chan)地等(deng)在一定的標(biao)(biao)示間距內(nei)，當標(biao)(biao)志(zhi)不(bu)合(he)格時(shi)，會造成施工人員識別錯(cuo)誤，嚴重時(shi)會引發(fa)電(dian)(dian)(dian)氣事故。

2、結(jie)構尺寸(cun)不(bu)合格的(de)電(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)纜。結(jie)構尺寸(cun)的(de)主(zhu)要問題是護套厚度，絕緣(yuan)厚度，當(dang)電(dian)(dian)(dian)纜的(de)護套和絕緣(yuan)厚度不(bu)達(da)標時(shi)，致(zhi)使電(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)纜耐電(dian)(dian)(dian)氣(qi)強度會(hui)嚴重降低，導(dao)致(zhi)電(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)纜的(de)使用(yong)(yong)壽命(ming)縮短(duan)，嚴重時(shi)可導(dao)致(zhi)電(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)纜被擊穿，絕緣(yuan)（護套）層(ceng)起不(bu)到正(zheng)常保護作用(yong)(yong)，從而發(fa)生(sheng)電(dian)(dian)(dian)氣(qi)短(duan)路(lu)和火(huo)災等現象。

3、護(hu)套式絕緣老化前的(de)抗(kang)張強度(du)(du)、伸長率合格的(de)電(dian)(dian)(dian)(dian)線電(dian)(dian)(dian)(dian)纜。絕緣護(hu)套老化前的(de)抗(kang)張強度(du)(du)、伸長率不(bu)合格直接大大縮(suo)短電(dian)(dian)(dian)(dian)線電(dian)(dian)(dian)(dian)纜的(de)工(gong)作用(yong)壽(shou)命，而且在施工(gong)或在長時間通電(dian)(dian)(dian)(dian)且溫度(du)(du)較高的(de)環境中，極(ji)易出現絕緣體斷裂，致使帶電(dian)(dian)(dian)(dian)導體裸(luo)露，發生能觸電(dian)(dian)(dian)(dian)式短路危險。其不(bu)合格的(de)主要原因是使用(yong)了再生料(liao)生產，以降(jiang)低產品成本，二(er)是不(bu)具(ju)備生產資(zi)格小型企業(ye)。

4、導(dao)體(ti)(ti)電(dian)(dian)阻(zu)不(bu)合格(ge)的(de)(de)(de)(de)(de)電(dian)(dian)線(xian)(xian)。導(dao)體(ti)(ti)電(dian)(dian)阻(zu)主要(yao)(yao)是考(kao)核電(dian)(dian)線(xian)(xian)電(dian)(dian)纜(lan)的(de)(de)(de)(de)(de)導(dao)體(ti)(ti)材(cai)料以及截面是否符(fu)合的(de)(de)(de)(de)(de)重要(yao)(yao)指標。當導(dao)體(ti)(ti)電(dian)(dian)阻(zu)超標時(shi)，就增(zeng)大了(le)電(dian)(dian)流在線(xian)(xian)路(lu)上通過時(shi)的(de)(de)(de)(de)(de)損(sun)耗，加劇(ju)了(le)電(dian)(dian)線(xian)(xian)電(dian)(dian)纜(lan)的(de)(de)(de)(de)(de)發熱。導(dao)體(ti)(ti)電(dian)(dian)阻(zu)不(bu)合格(ge)的(de)(de)(de)(de)(de)原因，主要(yao)(yao)進企(qi)業(ye)為了(le)降(jiang)低成本，將占原材(cai)料成本80%的(de)(de)(de)(de)(de)銅(tong)材(cai)縮(suo)水，要(yao)(yao)么降(jiang)低導(dao)體(ti)(ti)的(de)(de)(de)(de)(de)截面積，要(yao)(yao)么使(shi)用含雜質過高的(de)(de)(de)(de)(de)再生銅(tong)，這樣致使(shi)電(dian)(dian)線(xian)(xian)電(dian)(dian)纜(lan)的(de)(de)(de)(de)(de)導(dao)體(ti)(ti)電(dian)(dian)阻(zu)嚴重超標，在使(shi)用過程中除易引發火災(zai)，還會加速包覆(fu)在電(dian)(dian)線(xian)(xian)外的(de)(de)(de)(de)(de)絕(jue)緣層的(de)(de)(de)(de)(de)老(lao)化。

在(zai)購(gou)買電線電纜(lan)的過程中，消(xiao)費者應注意以下(xia)幾個事

第(di)一(yi)、要觀察電線的(de)外觀。合格產品的(de)絕緣（護套）層(ceng)柔軟、有韌(ren)性(xing)和伸縮性(xing)、表面層(ceng)緊密(mi)、光滑、無粗糙感。如(ru)果包裹(guo)電線的(de)塑料(liao)很(hen)容(rong)易被剝去，則存(cun)在塑料(liao)強度不夠的(de)問題。

第二、要看(kan)電線的(de)截面(mian)。合(he)格產品的(de)銅(tong)芯(xin)或(huo)鋁芯(xin)表面(mian)應該具有金屬光(guang)澤，表面(mian)發黑的(de)銅(tong)或(huo)表面(mian)發白的(de)鋁說明已被氧化。

第(di)三(san)、在購買電(dian)線時應注意查看(kan)質(zhi)(zhi)量合格(ge)證(zheng)書(shu)。如(ru)果(guo)電(dian)線的質(zhi)(zhi)量合格(ge)，那么(me)其電(dian)線質(zhi)(zhi)量應該也受過檢驗(yan)，不會(hui)有太大的問題。

沈陽(yang)凱鵬(peng)電(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)纜(lan)制造有限(xian)公司隸屬凱鵬(peng)集團(tuan)下屬子公司，專門從事電(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)纜(lan)研發、生(sheng)產制造，是全國頗具實力(li)的沈陽(yang)電(dian)(dian)(dian)(dian)纜(lan)廠家，主營產品：電(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)纜(lan)、控制電(dian)(dian)(dian)(dian)纜(lan)、橡套電(dian)(dian)(dian)(dian)纜(lan)、電(dian)(dian)(dian)(dian)氣裝備用電(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)纜(lan)、電(dian)(dian)(dian)(dian)子計算機電(dian)(dian)(dian)(dian)纜(lan)、BTTZ電(dian)(dian)(dian)(dian)纜(lan)、YTTW電(dian)(dian)(dian)(dian)纜(lan)等(deng)，以及(ji)(ji)電(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)纜(lan)代(dai)加工。小編每(mei)天會在公司官網(wang)發布電(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)纜(lan)價格表，及(ji)(ji)時更新銅價以及(ji)(ji)電(dian)(dian)(dian)(dian)纜(lan)廠報價信息(xi)。更多有關電(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)纜(lan)信息(xi)可點擊公司官網(wang)szbowen.cn