對于(yu)排(pai)擠(ji)輸(shu)電(dian)(dian)(dian)(dian)線(xian)(xian)(xian)(xian)路(lu)(lu)(lu)，除(chu)導(dao)線(xian)(xian)(xian)(xian)電(dian)(dian)(dian)(dian)阻的(de)(de)(de)(de)(de)(de)有(you)(you)功(gong)消(xiao)(xiao)耗(hao)(hao)外，還有(you)(you)電(dian)(dian)(dian)(dian)暈(yun)(yun)(yun)(yun)(yun)消(xiao)(xiao)耗(hao)(hao)和(he)沿盡緣(yuan)子漏電(dian)(dian)(dian)(dian)而至(zhi)的(de)(de)(de)(de)(de)(de)有(you)(you)功(gong)消(xiao)(xiao)耗(hao)(hao)；對于(yu)電(dian)(dian)(dian)(dian)纜線(xian)(xian)(xian)(xian)路(lu)(lu)(lu)，主(zhu)要是介(jie)質消(xiao)(xiao)耗(hao)(hao)。一(yi)般在排(pai)擠(ji)線(xian)(xian)(xian)(xian)路(lu)(lu)(lu)中，由盡緣(yuan)子泄露電(dian)(dian)(dian)(dian)流而發(fa)生的(de)(de)(de)(de)(de)(de)有(you)(you)功(gong)消(xiao)(xiao)耗(hao)(hao)極小(xiao)，可疏忽不(bu)記，所以(yi)對排(pai)擠(ji)線(xian)(xian)(xian)(xian)路(lu)(lu)(lu)主(zhu)要斟酌電(dian)(dian)(dian)(dian)暈(yun)(yun)(yun)(yun)(yun)消(xiao)(xiao)耗(hao)(hao)。由于(yu)排(pai)擠(ji)線(xian)(xian)(xian)(xian)路(lu)(lu)(lu)的(de)(de)(de)(de)(de)(de)盡緣(yuan)介(jie)質是空(kong)氣，當(dang)導(dao)線(xian)(xian)(xian)(xian)概況的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)場強(qiang)度跨越空(kong)氣的(de)(de)(de)(de)(de)(de)耐壓(ya)(ya)強(qiang)度時，空(kong)氣層就發(fa)生游離(li)形成放(fang)電(dian)(dian)(dian)(dian)，空(kong)氣中帶電(dian)(dian)(dian)(dian)離(li)子的(de)(de)(de)(de)(de)(de)移動就組(zu)成電(dian)(dian)(dian)(dian)暈(yun)(yun)(yun)(yun)(yun)電(dian)(dian)(dian)(dian)流。此刻，我們可以(yi)聽到(dao)(dao)"滋(zi)滋(zi)"的(de)(de)(de)(de)(de)(de)放(fang)電(dian)(dian)(dian)(dian)聲，并可聞到(dao)(dao)氧份子被游離(li)后(hou)又連系成臭(chou)氧（O3）的(de)(de)(de)(de)(de)(de)氣息，在夜(ye)間(jian)可見到(dao)(dao)導(dao)線(xian)(xian)(xian)(xian)周圍發(fa)生淡(dan)藍(lan)色(se)的(de)(de)(de)(de)(de)(de)熒光，這(zhe)類現象稱為"電(dian)(dian)(dian)(dian)暈(yun)(yun)(yun)(yun)(yun)"。電(dian)(dian)(dian)(dian)暈(yun)(yun)(yun)(yun)(yun)不(bu)單發(fa)生有(you)(you)功(gong)消(xiao)(xiao)耗(hao)(hao)，而且還對無線(xian)(xian)(xian)(xian)電(dian)(dian)(dian)(dian)及高(gao)(gao)(gao)(gao)(gao)頻(pin)通(tong)訊發(fa)生干擾(rao)。電(dian)(dian)(dian)(dian)暈(yun)(yun)(yun)(yun)(yun)的(de)(de)(de)(de)(de)(de)發(fa)生主(zhu)要與輸(shu)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)壓(ya)(ya)有(you)(you)關，隨著電(dian)(dian)(dian)(dian)壓(ya)(ya)升高(gao)(gao)(gao)(gao)(gao)，電(dian)(dian)(dian)(dian)暈(yun)(yun)(yun)(yun)(yun)常是先從（尖角不(bu)滑膩處）電(dian)(dian)(dian)(dian)場強(qiang)度較(jiao)年(nian)夜(ye)的(de)(de)(de)(de)(de)(de)局部起(qi)(qi)頭放(fang)電(dian)(dian)(dian)(dian)，叫肇端電(dian)(dian)(dian)(dian)暈(yun)(yun)(yun)(yun)(yun)。（肇端電(dian)(dian)(dian)(dian)暈(yun)(yun)(yun)(yun)(yun)臨(lin)(lin)界(jie)強(qiang)度為30千(qian)伏/厘(li)米）。隨后(hou)泛起(qi)(qi)可見電(dian)(dian)(dian)(dian)暈(yun)(yun)(yun)(yun)(yun)，并擴年(nian)夜(ye)到(dao)(dao)全(quan)數概況，形玉成面電(dian)(dian)(dian)(dian)暈(yun)(yun)(yun)(yun)(yun)。為了減小(xiao)電(dian)(dian)(dian)(dian)暈(yun)(yun)(yun)(yun)(yun)消(xiao)(xiao)耗(hao)(hao)，出格(ge)是削減對無線(xian)(xian)(xian)(xian)電(dian)(dian)(dian)(dian)和(he)高(gao)(gao)(gao)(gao)(gao)頻(pin)通(tong)訊的(de)(de)(de)(de)(de)(de)干擾(rao)，應盡量(liang)想法(fa)避(bi)免電(dian)(dian)(dian)(dian)暈(yun)(yun)(yun)(yun)(yun)的(de)(de)(de)(de)(de)(de)發(fa)生。而避(bi)免電(dian)(dian)(dian)(dian)暈(yun)(yun)(yun)(yun)(yun)的(de)(de)(de)(de)(de)(de)方式(shi)是，提高(gao)(gao)(gao)(gao)(gao)線(xian)(xian)(xian)(xian)路(lu)(lu)(lu)電(dian)(dian)(dian)(dian)暈(yun)(yun)(yun)(yun)(yun)的(de)(de)(de)(de)(de)(de)臨(lin)(lin)界(jie)電(dian)(dian)(dian)(dian)壓(ya)(ya)，使(shi)其高(gao)(gao)(gao)(gao)(gao)于(yu)線(xian)(xian)(xian)(xian)路(lu)(lu)(lu)運行電(dian)(dian)(dian)(dian)壓(ya)(ya)，為此就必需(xu)增年(nian)夜(ye)導(dao)線(xian)(xian)(xian)(xian)間(jian)的(de)(de)(de)(de)(de)(de)距離(li)和(he)導(dao)線(xian)(xian)(xian)(xian)半(ban)徑。但如果增年(nian)夜(ye)線(xian)(xian)(xian)(xian)間(jian)距離(li)，一(yi)定使(shi)線(xian)(xian)(xian)(xian)路(lu)(lu)(lu)桿塔的(de)(de)(de)(de)(de)(de)建(jian)造費用(yong)增加(jia)，而對臨(lin)(lin)界(jie)電(dian)(dian)(dian)(dian)壓(ya)(ya)的(de)(de)(de)(de)(de)(de)影(ying)響盛微。是以(yi)。增年(nian)夜(ye)導(dao)線(xian)(xian)(xian)(xian)半(ban)徑才是提高(gao)(gao)(gao)(gao)(gao)臨(lin)(lin)界(jie)電(dian)(dian)(dian)(dian)壓(ya)(ya)的(de)(de)(de)(de)(de)(de)有(you)(you)用(yong)方式(shi)。所以(yi)在特(te)高(gao)(gao)(gao)(gao)(gao)壓(ya)(ya)輸(shu)電(dian)(dian)(dian)(dian)線(xian)(xian)(xian)(xian)路(lu)(lu)(lu)中，采(cai)用(yong)擴徑導(dao)線(xian)(xian)(xian)(xian)或割(ge)裂導(dao)線(xian)(xian)(xian)(xian)（割(ge)裂導(dao)線(xian)(xian)(xian)(xian)的(de)(de)(de)(de)(de)(de)等值半(ban)徑起(qi)(qi)了擴徑的(de)(de)(de)(de)(de)(de)作用(yong)）。 

遼寧(ning)大(da)(da)元電纜(lan)制造(zao)有(you)限(xian)公司(si)(si)位于鐵(tie)(tie)嶺(ling)鐵(tie)(tie)西工(gong)業園區(qu)，成立于1989年6月(yue)18日，原廠名為(wei)“鐵(tie)(tie)嶺(ling)大(da)(da)元電纜(lan)有(you)限(xian)公司(si)(si)”。為(wei)了適應市場需(xu)求(qiu)，同時(shi)公司(si)(si)規模的不斷擴(kuo)大(da)(da)和發展(zhan)，于2012年6月(yue)更名為(wei)“遼寧(ning)大(da)(da)元電纜(lan)制造(zao)有(you)限(xian)公司(si)(si)”，占(zhan)地面積18000平方米(mi)，是電線電纜(lan)產品(pin)的專業生產制造(zao)商。