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由(you)于(yu)架空(kong)線(xian)路的(de)(de)絕緣介(jie)質是空(kong)氣(qi)，當導(dao)線(xian)表面的(de)(de)電(dian)場強(qiang)度超過空(kong)氣(qi)的(de)(de)耐壓(ya)強(qiang)度時，空(kong)氣(qi)層(ceng)就產生游離(li)形成(cheng)放電(dian)，空(kong)氣(qi)中帶(dai)電(dian)離(li)子(zi)(zi)的(de)(de)移(yi)動就構成(cheng)電(dian)暈電(dian)流。此(ci)刻(ke)，我們(men)可以聽到(dao)"滋滋"的(de)(de)放電(dian)聲，并可聞到(dao)氧分子(zi)(zi)被游離(li)后又(you)結合成(cheng)臭氧（O3）的(de)(de)氣(qi)味(wei)，...

采取擴(kuo)大(da)導(dao)(dao)(dao)線(xian)(xian)外徑(jing)技術，在保(bao)證電(dian)(dian)暈(yun)(yun)所要求的導(dao)(dao)(dao)線(xian)(xian)外徑(jing)前提下，減少(shao)導(dao)(dao)(dao)線(xian)(xian)的鋁(lv)截面，從而(er)減少(shao)導(dao)(dao)(dao)線(xian)(xian)的總重量，減少(shao)鐵塔荷載和(he)結構(gou)重量，極大(da)地降低(di)線(xian)(xian)路造價。當線(xian)(xian)路的電(dian)(dian)壓超過(guo)220kv時，為了(le)降低(di)線(xian)(xian)路電(dian)(dian)抗(kang)和(he)電(dian)(dian)暈(yun)(yun)損耗(hao)，通常(chang)采用擴(kuo)徑(jing)導(dao)(dao)(dao)線(xian)(xian)。擴(kuo)徑(jing)導(dao)(dao)(dao)線(xian)(xian)就(jiu)是把普通的導(dao)(dao)(dao)線(xian)(xian)...

擴徑導(dao)(dao)(dao)線(xian)(xian)在超(chao)高壓和特高壓輸(shu)電工程中有(you)很大的應(ying)用(yong)(yong)空間，尤其在高海拔(ba)地區有(you)著更為(wei)廣闊的前(qian)景，擴徑鋼芯鋁絞(jiao)線(xian)(xian)LGKK適用(yong)(yong)于(yu)高低壓輸(shu)電線(xian)(xian)中電廠及變(bian)電站(zhan)配電線(xian)(xian)路(lu)。當線(xian)(xian)路(lu)的電壓超(chao)過220kv時，為(wei)了降低線(xian)(xian)路(lu)電抗和電暈損(sun)耗，通常采(cai)用(yong)(yong)擴徑導(dao)(dao)(dao)線(xian)(xian)。擴徑導(dao)(dao)(dao)線(xian)(xian)就是...

擴徑導線(xian)適(shi)用(yong)于高低壓輸電線(xian)中電廠及變電站(zhan)配(pei)電線(xian)路、母線(xian)等。減少(shao)電暈損(sun)(sun)失(shi)，節約有(you)色金(jin)屬，線(xian)膨(peng)脹系數較好，電暈損(sun)(sun)失(shi)小，有(you)良好的(de)散熱性(xing)。一(yi)般在(zai)架(jia)空(kong)線(xian)路中，由(you)絕緣子泄(xie)露電流而產生(sheng)的(de)有(you)功損(sun)(sun)耗極(ji)小，可(ke)忽略不記，所以對(dui)架(jia)空(kong)線(xian)路主要考慮(lv)電暈損(sun)(sun)耗。由(you)于架(jia)空(kong)線(xian)...

擴(kuo)徑導線(xian)(xian)線(xian)(xian)膨脹(zhang)系數較好(hao)，電(dian)(dian)(dian)(dian)暈損(sun)失(shi)小，有(you)良(liang)好(hao)的散熱(re)性。適用(yong)于高低壓輸電(dian)(dian)(dian)(dian)線(xian)(xian)中電(dian)(dian)(dian)(dian)廠及(ji)變電(dian)(dian)(dian)(dian)站(zhan)配電(dian)(dian)(dian)(dian)線(xian)(xian)路、母線(xian)(xian)等。減少電(dian)(dian)(dian)(dian)暈損(sun)失(shi)，節約有(you)色(se)金屬。對于架空輸電(dian)(dian)(dian)(dian)線(xian)(xian)路，除(chu)了(le)導線(xian)(xian)電(dian)(dian)(dian)(dian)阻的有(you)功損(sun)耗外，還有(you)電(dian)(dian)(dian)(dian)暈損(sun)耗和沿絕緣子漏電(dian)(dian)(dian)(dian)所致的有(you)功損(sun)耗；對于電(dian)(dian)(dian)(dian)纜線(xian)(xian)路，主要(yao)是介質(zhi)...

對于架(jia)(jia)空(kong)(kong)輸(shu)電線(xian)(xian)(xian)路，除了導線(xian)(xian)(xian)電阻的有功損(sun)(sun)(sun)耗(hao)外(wai)，還有電暈(yun)損(sun)(sun)(sun)耗(hao)和沿絕緣子漏電所(suo)致的有功損(sun)(sun)(sun)耗(hao)；對于電纜線(xian)(xian)(xian)路，主要是(shi)介質損(sun)(sun)(sun)耗(hao)。一般在架(jia)(jia)空(kong)(kong)線(xian)(xian)(xian)路中，由(you)絕緣子泄露電流而產生的有功損(sun)(sun)(sun)耗(hao)極小，可忽略不記，所(suo)以對架(jia)(jia)空(kong)(kong)線(xian)(xian)(xian)路主要考慮電暈(yun)損(sun)(sun)(sun)耗(hao)。由(you)于架(jia)(jia)空(kong)(kong)線(xian)(xian)(xian)路的絕緣介質是(shi)...

對(dui)于(yu)排擠(ji)(ji)輸電(dian)(dian)線(xian)路，除(chu)導線(xian)電(dian)(dian)阻的有(you)功(gong)消(xiao)耗(hao)外，還有(you)電(dian)(dian)暈消(xiao)耗(hao)和沿盡緣(yuan)(yuan)子(zi)漏電(dian)(dian)而(er)至的有(you)功(gong)消(xiao)耗(hao)；對(dui)于(yu)電(dian)(dian)纜線(xian)路，主要(yao)是介質消(xiao)耗(hao)。一般在(zai)排擠(ji)(ji)線(xian)路中，由(you)盡緣(yuan)(yuan)子(zi)泄露(lu)電(dian)(dian)流而(er)發生(sheng)的有(you)功(gong)消(xiao)耗(hao)極小，可(ke)疏忽(hu)不記，所以對(dui)排擠(ji)(ji)線(xian)路主要(yao)斟(zhen)酌電(dian)(dian)暈消(xiao)耗(hao)。由(you)于(yu)排擠(ji)(ji)線(xian)路的盡緣(yuan)(yuan)介質是空...

擴徑導(dao)(dao)(dao)線是以滿足技術條(tiao)件的(de)常(chang)規(gui)導(dao)(dao)(dao)線規(gui)格(ge)為(wei)基(ji)準，采取擴大導(dao)(dao)(dao)線外徑技術，在保證電暈所(suo)要求的(de)導(dao)(dao)(dao)線外徑前提下，減(jian)少(shao)導(dao)(dao)(dao)線的(de)鋁截面(mian)，從而減(jian)少(shao)導(dao)(dao)(dao)線的(de)總(zong)重量，減(jian)少(shao)鐵塔(ta)荷載(zai)和結構重量，極大地降(jiang)(jiang)低(di)線路造(zao)價。當線路的(de)電壓超(chao)過220kv時(shi)，為(wei)了降(jiang)(jiang)低(di)線路電抗和電暈損...

當(dang)線(xian)(xian)(xian)路(lu)的(de)(de)電(dian)壓超過220kv時，為了降低(di)線(xian)(xian)(xian)路(lu)電(dian)抗和(he)電(dian)暈(yun)損耗，通常采用(yong)擴徑導(dao)線(xian)(xian)(xian)或分(fen)裂(lie)導(dao)線(xian)(xian)(xian)。分(fen)裂(lie)導(dao)線(xian)(xian)(xian)是將每相導(dao)線(xian)(xian)(xian)分(fen)為若干根子(zi)導(dao)線(xian)(xian)(xian)，每根之間保持一定距離(li)（一般(ban)為400mm）這樣可以使導(dao)線(xian)(xian)(xian)的(de)(de)等效半徑增大，從而(er)降低(di)線(xian)(xian)(xian)路(lu)的(de)(de)電(dian)抗和(he)電(dian)暈(yun)損耗。擴徑導(dao)線(xian)(xian)(xian)就是把(ba)普...

1、普通(tong)型耐熱鋁(lv)合金導(dao)線的技術特點：a.長期工作溫(wen)(wen)度150℃，比普通(tong)鋁(lv)線長期工作溫(wen)(wen)度70℃提高(gao)1.14倍。載流(liu)量比普通(tong)鋁(lv)線提高(gao)60%以上。b.抗拉強(qiang)度保持率(lv)≥90%。c.導(dao)電率(lv)≥58%IACS。d.150℃時蠕變(bian)比硬(ying)鋁(lv)90℃時蠕變(bian)小(xiao)。2、高(gao)...

擴徑(jing)(jing)導(dao)線(xian)是以(yi)滿足技術條件的(de)常規導(dao)線(xian)規格為(wei)基準，采取(qu)擴大導(dao)線(xian)外徑(jing)(jing)技術，在保證電暈所要求的(de)導(dao)線(xian)外徑(jing)(jing)前提下，減(jian)少導(dao)線(xian)的(de)鋁截(jie)面，從而減(jian)少導(dao)線(xian)的(de)總重量，減(jian)少鐵塔(ta)荷載和結(jie)構重量，極(ji)大地降(jiang)低線(xian)路(lu)造(zao)價。當線(xian)路(lu)的(de)電壓(ya)超(chao)過220kv時，為(wei)了降(jiang)低線(xian)路(lu)電抗和電暈損...

   擴(kuo)(kuo)徑(jing)導(dao)線是(shi)在(zai)普(pu)通的鋼芯絞線基礎(chu)上開發(fa)的一種(zhong)新型特殊導(dao)線，是(shi)目前(qian)為(wei)止(zhi)外徑(jing)最大的架空(kong)導(dao)線。擴(kuo)(kuo)徑(jing)鋼芯鋁絞線也叫擴(kuo)(kuo)徑(jing)空(kong)心母線，由多層鋁線反(fan)向(xiang)絞合而(er)成，中間(jian)為(wei)圓形中空(kong)結構(gou)。  &nbs...

擴(kuo)(kuo)徑(jing)導線(xian)(xian)(xian)(xian)在(zai)超高(gao)壓(ya)(ya)和特高(gao)壓(ya)(ya)輸電工(gong)程(cheng)中有很大的應用(yong)(yong)空間，尤其在(zai)高(gao)海拔地區(qu)有著更為廣闊(kuo)的前(qian)景。擴(kuo)(kuo)徑(jing)鋼芯鋁絞線(xian)(xian)(xian)(xian)LGKK適用(yong)(yong)于高(gao)低壓(ya)(ya)輸電線(xian)(xian)(xian)(xian)中電廠(chang)及變電站配電線(xian)(xian)(xian)(xian)路。擴(kuo)(kuo)徑(jing)導線(xian)(xian)(xian)(xian)的產品用(yong)(yong)途(tu)：本產品適用(yong)(yong)于高(gao)低壓(ya)(ya)輸電線(xian)(xian)(xian)(xian)中電廠(chang)及變電站配電線(xian)(xian)(xian)(xian)路、母線(xian)(xian)(xian)(xian)等。減少(shao)電暈損失...

擴(kuo)徑(jing)導(dao)(dao)線(xian)(xian)(xian)也就是擴(kuo)大導(dao)(dao)線(xian)(xian)(xian)外徑(jing)技術(shu)，當線(xian)(xian)(xian)路的電壓超過220kv時(shi)，為了降低線(xian)(xian)(xian)路電抗(kang)和(he)電暈(yun)損耗，通常(chang)采(cai)用擴(kuo)徑(jing)導(dao)(dao)線(xian)(xian)(xian)。擴(kuo)徑(jing)導(dao)(dao)線(xian)(xian)(xian)就是把普通的導(dao)(dao)線(xian)(xian)(xian)做(zuo)成(cheng)中空（里(li)面用多股(gu)芯線(xian)(xian)(xian)和(he)支撐(cheng)層(ceng)做(zuo)成(cheng)）或者減少其中部分層(ceng)單線(xian)(xian)(xian)數量(liang)（使該層(ceng)單線(xian)(xian)(xian)間存(cun)在一定(ding)數量(liang)空隙(xi)），最終達(da)到(dao)增(zeng)...

擴徑(jing)(jing)導(dao)(dao)(dao)線(xian)是以滿足技(ji)術條件的(de)常規導(dao)(dao)(dao)線(xian)規格為基準(zhun)，采取擴大導(dao)(dao)(dao)線(xian)外徑(jing)(jing)技(ji)術，在保證(zheng)電暈所要(yao)求的(de)導(dao)(dao)(dao)線(xian)外徑(jing)(jing)前提下，減(jian)少導(dao)(dao)(dao)線(xian)的(de)鋁截面，從(cong)而減(jian)少導(dao)(dao)(dao)線(xian)的(de)總(zong)重量，減(jian)少鐵塔荷載和(he)結構重量，極大地降低線(xian)路(lu)造價。擴徑(jing)(jing)導(dao)(dao)(dao)線(xian)的(de)產品用途：本產品適(shi)用于高(gao)低壓(ya)輸電線(xian)中電廠及變...

擴(kuo)徑導線是以滿足技術(shu)條(tiao)件的常(chang)規(gui)導線規(gui)格為(wei)基準(zhun)，采取擴(kuo)大導線外(wai)(wai)徑技術(shu)，在保證電暈(yun)所(suo)要求(qiu)的導線外(wai)(wai)徑前提下，減少(shao)導線的鋁(lv)截面，從而(er)減少(shao)導線的總重量，減少(shao)鐵塔(ta)荷(he)載和(he)結構重量，極大地降低(di)線路(lu)造價。當線路(lu)的電壓超過220kv時，為(wei)了降低(di)線路(lu)電抗和(he)電暈(yun)損...

擴徑導(dao)線(xian)是以滿足技(ji)術條件的(de)(de)(de)常規導(dao)線(xian)規格為(wei)基準，采取(qu)擴大(da)導(dao)線(xian)外徑技(ji)術，在保證(zheng)電(dian)暈所要求(qiu)的(de)(de)(de)導(dao)線(xian)外徑前提下，減少(shao)導(dao)線(xian)的(de)(de)(de)鋁截(jie)面，從而減少(shao)導(dao)線(xian)的(de)(de)(de)總重量(liang)，減少(shao)鐵塔(ta)荷載和結(jie)構重量(liang)，極大(da)地降(jiang)低(di)線(xian)路造價(jia)。當(dang)線(xian)路的(de)(de)(de)電(dian)壓超過220kv時，為(wei)了降(jiang)低(di)線(xian)路電(dian)抗和電(dian)暈損...

隨著我(wo)國超高壓(ya)輸(shu)電(dian)線路(lu)技(ji)術的(de)不(bu)斷發展和提高，許(xu)多(duo)的(de)新材料、新工藝不(bu)斷地應用(yong)于輸(shu)電(dian)線路(lu)中(zhong)，鋁(lv)合金材料因具備(bei)優良的(de)導電(dian)性能(neng)(neng)(neng)、相對較(jiao)低的(de)價格、寬廣的(de)使(shi)用(yong)溫度等綜合性能(neng)(neng)(neng)而(er)廣泛地用(yong)來(lai)制(zhi)作高電(dian)壓(ya)等級(ji)輸(shu)變電(dian)工程(cheng)中(zhong)的(de)擴徑導線，其能(neng)(neng)(neng)夠傳輸(shu)大(da)容量的(de)電(dian)流，然而(er)目...

擴徑導(dao)(dao)線(xian)(xian)是以滿(man)足技(ji)術條件的(de)常規(gui)導(dao)(dao)線(xian)(xian)規(gui)格為基準，采取(qu)擴大導(dao)(dao)線(xian)(xian)外徑技(ji)術，在保(bao)證電(dian)(dian)暈(yun)所要求(qiu)的(de)導(dao)(dao)線(xian)(xian)外徑前提下(xia)，減(jian)少導(dao)(dao)線(xian)(xian)的(de)鋁截面，從而減(jian)少導(dao)(dao)線(xian)(xian)的(de)總重(zhong)量，減(jian)少鐵塔(ta)荷載(zai)和結構重(zhong)量，極大地降(jiang)低線(xian)(xian)路造價。當線(xian)(xian)路的(de)電(dian)(dian)壓超過220kv時，為了(le)降(jiang)低線(xian)(xian)路電(dian)(dian)抗和電(dian)(dian)暈(yun)損...

擴徑(jing)(jing)導(dao)(dao)線(xian)(xian)是(shi)以(yi)滿(man)足技術條件的(de)常(chang)規(gui)導(dao)(dao)線(xian)(xian)規(gui)格為基(ji)準，采取(qu)擴大導(dao)(dao)線(xian)(xian)外(wai)徑(jing)(jing)技術，在保證電(dian)(dian)暈所要求的(de)導(dao)(dao)線(xian)(xian)外(wai)徑(jing)(jing)前提下，減(jian)少導(dao)(dao)線(xian)(xian)的(de)鋁(lv)截面，從而減(jian)少導(dao)(dao)線(xian)(xian)的(de)總重量(liang)，減(jian)少鐵塔荷載和(he)結構重量(liang)，極大地(di)降低線(xian)(xian)路(lu)造價。當線(xian)(xian)路(lu)的(de)電(dian)(dian)壓超過220kv時，為了降低線(xian)(xian)路(lu)電(dian)(dian)抗(kang)和(he)電(dian)(dian)暈損...

擴徑導(dao)線(xian)(xian)(xian)(xian)是以滿(man)足技術條(tiao)件的常(chang)規導(dao)線(xian)(xian)(xian)(xian)規格(ge)為基準，采取擴大導(dao)線(xian)(xian)(xian)(xian)外徑技術，在保證電(dian)暈所要求(qiu)的導(dao)線(xian)(xian)(xian)(xian)外徑前提下(xia)，減少導(dao)線(xian)(xian)(xian)(xian)的鋁(lv)截(jie)面，從而(er)減少導(dao)線(xian)(xian)(xian)(xian)的總重量，減少鐵(tie)塔荷載(zai)和結構(gou)重量，極(ji)大地降(jiang)低線(xian)(xian)(xian)(xian)路(lu)(lu)造價。當線(xian)(xian)(xian)(xian)路(lu)(lu)的電(dian)壓超過220kv時，為了(le)降(jiang)低線(xian)(xian)(xian)(xian)路(lu)(lu)電(dian)抗和電(dian)暈損...

擴(kuo)(kuo)徑導(dao)(dao)(dao)線(xian)(xian)(xian)(xian)就是把普通(tong)的(de)導(dao)(dao)(dao)線(xian)(xian)(xian)(xian)做成中空（里面用多股芯(xin)線(xian)(xian)(xian)(xian)和(he)支撐層(ceng)做成）或者減少其中部分層(ceng)單(dan)線(xian)(xian)(xian)(xian)數量(liang)（使該層(ceng)單(dan)線(xian)(xian)(xian)(xian)間存在一定數量(liang)空隙），最終(zhong)達(da)到增加導(dao)(dao)(dao)線(xian)(xian)(xian)(xian)的(de)等效半徑的(de)目的(de)。當線(xian)(xian)(xian)(xian)路(lu)的(de)電壓超過220kv時，為了降(jiang)低線(xian)(xian)(xian)(xian)路(lu)電抗和(he)電暈(yun)損耗，通(tong)常采用擴(kuo)(kuo)徑導(dao)(dao)(dao)線(xian)(xian)(xian)(xian)。擴(kuo)(kuo)徑導(dao)(dao)(dao)線(xian)(xian)(xian)(xian)...

對于(yu)排擠(ji)輸(shu)電(dian)線路(lu)，除(chu)導線電(dian)阻的有(you)功消(xiao)耗(hao)(hao)外，還有(you)電(dian)暈(yun)消(xiao)耗(hao)(hao)和沿盡緣(yuan)子漏電(dian)而(er)至的有(you)功消(xiao)耗(hao)(hao)；對于(yu)電(dian)纜線路(lu)，主(zhu)要是介質消(xiao)耗(hao)(hao)，一般在排擠(ji)線路(lu)中，由(you)盡緣(yuan)子泄(xie)露電(dian)流而(er)發生的有(you)功消(xiao)耗(hao)(hao)極小，可疏忽不記，所以(yi)對排擠(ji)線路(lu)主(zhu)要斟酌電(dian)暈(yun)消(xiao)耗(hao)(hao)。由(you)于(yu)架空(kong)線路(lu)的絕緣(yuan)介質是空(kong)...

擴徑導(dao)線(xian)(xian)是以滿(man)足技(ji)術條件的(de)常(chang)規導(dao)線(xian)(xian)規格(ge)為(wei)基準，采(cai)取擴大(da)導(dao)線(xian)(xian)外徑技(ji)術，在保證電暈(yun)所要求的(de)導(dao)線(xian)(xian)外徑前提下，減少(shao)導(dao)線(xian)(xian)的(de)鋁截(jie)面(mian)，從而減少(shao)導(dao)線(xian)(xian)的(de)總重量(liang)，減少(shao)鐵塔荷(he)載和結構重量(liang)，極大(da)地降低(di)線(xian)(xian)路(lu)造價。 當線(xian)(xian)路(lu)的(de)電壓超過220kv時，為(wei)了降低(di)線(xian)(xian)路(lu)...

備受行業關注的鋁合金導線首次(ci)被納入國(guo)家電網(wang)公(gong)司(si)新(xin)技(ji)術(shu)推廣目錄，成為未來幾年新(xin)技(ji)術(shu)推廣的重點(dian)。根(gen)據《目錄》規劃，2014~2016年，要在(zai)110（66）千伏及以上電壓(ya)等(deng)級(ji)線路中(zhong)應用節能導線20000千米。在(zai)國(guo)家電網(wang)公(gong)司(si)發布的《國(guo)家電網(wang)公(gong)司(si)新(xin)技(ji)...

空心(xin)擴徑導(dao)線(xian)產品規格齊全，能(neng)(neng)滿足我國變電(dian)(dian)站，換流站用各種(zhong)規格特(te)種(zhong)道縣（軟母線(xian)）的全部需(xu)求。一、空心(xin)擴徑導(dao)線(xian)特(te)點/用途(tu)：具有優(you)良的耐腐蝕性能(neng)(neng)，抗(kang)油、強(qiang)酸、抗(kang)強(qiang)堿、強(qiang)氧(yang)化劑等(deng)；具有優(you)良的電(dian)(dian)絕緣(yuan)性能(neng)(neng)、耐高電(dian)(dian)壓(ya)、高頻(pin)損耗小、不吸潮、絕緣(yuan)電(dian)(dian)阻大；具有...

擴徑導(dao)(dao)線(xian)(xian)(xian)是以滿足技(ji)術條件的(de)(de)常規導(dao)(dao)線(xian)(xian)(xian)規格(ge)為基(ji)準，采(cai)取擴大導(dao)(dao)線(xian)(xian)(xian)外徑技(ji)術，在保證電暈所要求的(de)(de)導(dao)(dao)線(xian)(xian)(xian)外徑前提(ti)下，減少(shao)導(dao)(dao)線(xian)(xian)(xian)的(de)(de)鋁(lv)截面(mian)，從(cong)而(er)減少(shao)導(dao)(dao)線(xian)(xian)(xian)的(de)(de)總重(zhong)量(liang)，減少(shao)鐵(tie)塔荷(he)載和(he)結構重(zhong)量(liang)，極大地降低線(xian)(xian)(xian)路(lu)造價。交流輸(shu)電線(xian)(xian)(xian)路(lu)的(de)(de)電暈損失(shi)主(zhu)要與(yu)導(dao)(dao)線(xian)(xian)(xian)表面(mian)場(chang)強和(he)天氣有關，...

  交流輸(shu)電(dian)線(xian)(xian)(xian)(xian)路的電(dian)暈損(sun)失主要與導(dao)線(xian)(xian)(xian)(xian)表面場強(qiang)和(he)天氣有關，根據絕緣水平要求(qiu)確定了(le)相間距離后，導(dao)線(xian)(xian)(xian)(xian)表面場強(qiang)主要與導(dao)線(xian)(xian)(xian)(xian)分裂(lie)數、分裂(lie)間距和(he)子(zi)導(dao)線(xian)(xian)(xian)(xian)直徑(jing)有關，分裂(lie)數越多，子(zi)導(dao)線(xian)(xian)(xian)(xian)直徑(jing)越大(da)，表面場強(qiang)越小。擴徑(jing)導(dao)線(xian)(xian)(xian)(xian)通過支撐鋁線(xian)(xian)(xian)(xian)...

  對于架空輸電(dian)線(xian)(xian)路，除了導線(xian)(xian)電(dian)阻的有(you)功損(sun)耗外，還有(you)電(dian)暈損(sun)耗和沿絕緣子漏電(dian)所致的有(you)功損(sun)耗；對于電(dian)纜線(xian)(xian)路，主要是介質損(sun)耗。   一般在架空線(xian)(xian)路中(zhong)，由絕緣子泄露(lu)電(dian)流而(er)產生(sheng)的有(you)功損(sun)耗極小，可(ke)...

  交流輸電(dian)線(xian)(xian)(xian)路的電(dian)暈損失主(zhu)要(yao)與導(dao)(dao)線(xian)(xian)(xian)表面場強(qiang)(qiang)(qiang)和天氣有關，根據(ju)絕緣水平(ping)要(yao)求確定了相間距(ju)離后，導(dao)(dao)線(xian)(xian)(xian)表面場強(qiang)(qiang)(qiang)主(zhu)要(yao)與導(dao)(dao)線(xian)(xian)(xian)分(fen)裂(lie)數、分(fen)裂(lie)間距(ju)和子(zi)導(dao)(dao)線(xian)(xian)(xian)直徑有關，分(fen)裂(lie)數越(yue)多(duo)，子(zi)導(dao)(dao)線(xian)(xian)(xian)直徑越(yue)大，表面場強(qiang)(qiang)(qiang)越(yue)小。擴徑導(dao)(dao)線(xian)(xian)(xian)通(tong)過支撐鋁線(xian)(xian)(xian)疏繞的...

  電(dian)暈(yun)噪(zao)聲是指(zhi)伴隨(sui)著導線(xian)周圍(wei)的(de)電(dian)暈(yun)或(huo)火(huo)花放電(dian)所(suo)產生的(de)一(yi)種(zhong)噪(zao)聲，屬于聲頻(pin)干擾。電(dian)暈(yun)噪(zao)聲頻(pin)率范圍(wei)一(yi)般為60～4000Hz，峰值頻(pin)率是工頻(pin)的(de)2倍(bei)左右。輸(shu)電(dian)線(xian)路可(ke)聽噪(zao)聲屬于低(di)頻(pin)范圍(wei)，具有較強(qiang)的(de)穿透(tou)力，衰減較慢(man)，能(neng)傳播到較遠...

  我國(guo)西部的(de)輸(shu)電(dian)(dian)線(xian)(xian)(xian)路的(de)輸(shu)電(dian)(dian)容量一般不大(da)，但(dan)是所處海(hai)拔(ba)較高，如我國(guo)第1條750kV輸(shu)電(dian)(dian)線(xian)(xian)(xian)路經(jing)過地區(qu)海(hai)拔(ba)高度(du)基本在(zai)2000m以上(shang)。在(zai)其他條件相同的(de)情況(kuang)下(xia)，海(hai)拔(ba)越高輸(shu)電(dian)(dian)線(xian)(xian)(xian)路導線(xian)(xian)(xian)越容易(yi)起暈(yun)。在(zai)電(dian)(dian)壓、分裂數、子導線(xian)(xian)(xian)間距、海(hai)拔(ba)...

  擴(kuo)徑(jing)導線(xian)(xian)(xian)(xian)一(yi)般大多用(yong)在特(te)高壓(ya)線(xian)(xian)(xian)(xian)路、高海拔地區、人口密集的地區。按(an)(an)用(yong)途分(fen)(fen)為(wei)(wei)線(xian)(xian)(xian)(xian)路用(yong)和變電站(zhan)用(yong)兩大類(lei)；按(an)(an)結構特(te)點(dian)分(fen)(fen)為(wei)(wei)大內(nei)徑(jing)鋁管支(zhi)撐(cheng)型(xing)(xing)擴(kuo)徑(jing)導線(xian)(xian)(xian)(xian)、小內(nei)徑(jing)鋁管填充型(xing)(xing)擴(kuo)徑(jing)導線(xian)(xian)(xian)(xian)、疏絞型(xing)(xing)擴(kuo)徑(jing)導線(xian)(xian)(xian)(xian)、高密度聚乙烯支(zhi)撐(cheng)型(xing)(xing)擴(kuo)徑(jing)導線(xian)(xian)(xian)(xian)。&nbs...

  遼(liao)寧(ning)(ning)大元電纜(lan)制造有限公司向(xiang)市場供應的(de)擴徑導線，符合規格誤差極(ji)小，遠銷遼(liao)寧(ning)(ning)、吉林、黑龍(long)江、河北、山(shan)西、內(nei)蒙古(gu)自治(zhi)區等省市。產品(pin)廣泛的(de)用于(yu)城鄉(xiang)電網改(gai)造上，并創(chuang)出了名(ming)牌，得(de)到用戶的(de)一致好評。現我擴徑導線生產廠家向(xiang)大家做(zuo)...

電暈噪聲(sheng)是指伴隨(sui)著導線(xian)周(zhou)圍的(de)電暈或(huo)火花放電所產生的(de)一種(zhong)噪聲(sheng)，屬于聲(sheng)頻干擾。電暈噪聲(sheng)頻率范圍一般(ban)為60～4000Hz，峰值頻率是工頻的(de)2倍左右(you)。輸電線(xian)路(lu)可(ke)聽噪聲(sheng)屬于低頻范圍，具有較(jiao)強(qiang)的(de)穿透力，衰減較(jiao)慢(man)，能(neng)傳播到較(jiao)遠的(de)地方，一般(ban)可(ke)達1km。我國...

我(wo)國(guo)西部的(de)輸電線(xian)(xian)路(lu)的(de)輸電容量一般不大(da)，但是(shi)所處海拔較高(gao)，如(ru)我(wo)國(guo)第(di)1條750kV輸電線(xian)(xian)路(lu)經過(guo)地區(qu)海拔高(gao)度基(ji)本在(zai)2000m以上。在(zai)其他條件(jian)相同(tong)的(de)情況(kuang)下，海拔越高(gao)輸電線(xian)(xian)路(lu)導線(xian)(xian)越容易(yi)起暈。在(zai)電壓、分裂數、子(zi)導線(xian)(xian)間距(ju)、海拔等相同(tong)的(de)情況(kuang)下，導線(xian)(xian)外徑越大(da)...

擴徑(jing)導(dao)(dao)(dao)(dao)線(xian)一般大多用(yong)(yong)(yong)在特(te)高壓(ya)線(xian)路(lu)(lu)、高海拔地區、人口密(mi)集的地區。按(an)用(yong)(yong)(yong)途分為(wei)線(xian)路(lu)(lu)用(yong)(yong)(yong)和變電(dian)站用(yong)(yong)(yong)兩大類；按(an)結構(gou)特(te)點分為(wei)大內(nei)徑(jing)鋁(lv)管(guan)支撐(cheng)型(xing)(xing)擴徑(jing)導(dao)(dao)(dao)(dao)線(xian)、小內(nei)徑(jing)鋁(lv)管(guan)填充型(xing)(xing)擴徑(jing)導(dao)(dao)(dao)(dao)線(xian)、疏絞型(xing)(xing)擴徑(jing)導(dao)(dao)(dao)(dao)線(xian)、高密(mi)度聚乙烯支撐(cheng)型(xing)(xing)擴徑(jing)導(dao)(dao)(dao)(dao)線(xian)。特(te)高壓(ya)線(xian)路(lu)(lu)：特(te)高壓(ya)輸電(dian)處于超大規模電(dian)...

產(chan)品擴徑導(dao)(dao)(dao)(dao)線(xian)是以滿足技術條件的(de)常(chang)規導(dao)(dao)(dao)(dao)線(xian)規格為基準(zhun)，其采取擴大導(dao)(dao)(dao)(dao)線(xian)外徑技術，保(bao)證電暈所要求的(de)導(dao)(dao)(dao)(dao)線(xian)外徑前(qian)提下，減(jian)少導(dao)(dao)(dao)(dao)線(xian)的(de)鋁截面，進而減(jian)少導(dao)(dao)(dao)(dao)線(xian)的(de)總重量，減(jian)少鐵塔荷(he)載和結構(gou)重量，極大地降低(di)線(xian)路造價(jia)。  當線(xian)路電壓超過220k...