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由于架(jia)空線(xian)路(lu)的(de)絕緣介質是空氣(qi)(qi)，當導線(xian)表(biao)面的(de)電(dian)(dian)場強度(du)超過空氣(qi)(qi)的(de)耐壓(ya)強度(du)時，空氣(qi)(qi)層就產生游(you)離形成放電(dian)(dian)，空氣(qi)(qi)中帶電(dian)(dian)離子(zi)的(de)移(yi)動就構成電(dian)(dian)暈電(dian)(dian)流。此刻，我們可以聽(ting)到(dao)"滋滋"的(de)放電(dian)(dian)聲，并可聞到(dao)氧(yang)(yang)分子(zi)被(bei)游(you)離后又結(jie)合成臭氧(yang)(yang)（O3）的(de)氣(qi)(qi)味，...

采(cai)取擴(kuo)大(da)導(dao)(dao)線(xian)(xian)(xian)(xian)外徑(jing)(jing)技術(shu)，在(zai)保證(zheng)電暈所要求(qiu)的(de)導(dao)(dao)線(xian)(xian)(xian)(xian)外徑(jing)(jing)前提下，減(jian)(jian)少導(dao)(dao)線(xian)(xian)(xian)(xian)的(de)鋁截面，從而減(jian)(jian)少導(dao)(dao)線(xian)(xian)(xian)(xian)的(de)總(zong)重量，減(jian)(jian)少鐵塔(ta)荷載和結構重量，極(ji)大(da)地降(jiang)低線(xian)(xian)(xian)(xian)路造價。當(dang)線(xian)(xian)(xian)(xian)路的(de)電壓超過220kv時，為了降(jiang)低線(xian)(xian)(xian)(xian)路電抗和電暈損耗，通(tong)常(chang)采(cai)用擴(kuo)徑(jing)(jing)導(dao)(dao)線(xian)(xian)(xian)(xian)。擴(kuo)徑(jing)(jing)導(dao)(dao)線(xian)(xian)(xian)(xian)就是把普通(tong)的(de)導(dao)(dao)線(xian)(xian)(xian)(xian)...

擴(kuo)徑導線(xian)(xian)在(zai)超高壓和(he)特高壓輸電(dian)(dian)工程(cheng)中(zhong)有很大的(de)應(ying)用空間，尤其在(zai)高海拔地區有著更為廣闊的(de)前景，擴(kuo)徑鋼(gang)芯鋁絞(jiao)線(xian)(xian)LGKK適用于高低(di)壓輸電(dian)(dian)線(xian)(xian)中(zhong)電(dian)(dian)廠及變電(dian)(dian)站配電(dian)(dian)線(xian)(xian)路(lu)。當線(xian)(xian)路(lu)的(de)電(dian)(dian)壓超過220kv時(shi)，為了降低(di)線(xian)(xian)路(lu)電(dian)(dian)抗和(he)電(dian)(dian)暈損(sun)耗，通(tong)常采用擴(kuo)徑導線(xian)(xian)。擴(kuo)徑導線(xian)(xian)就是...

擴徑導線(xian)適用(yong)于高(gao)低壓輸電(dian)(dian)線(xian)中(zhong)電(dian)(dian)廠及變(bian)電(dian)(dian)站(zhan)配(pei)電(dian)(dian)線(xian)路、母線(xian)等。減少電(dian)(dian)暈(yun)(yun)(yun)損(sun)(sun)失，節約有(you)(you)色(se)金屬，線(xian)膨(peng)脹系數較好，電(dian)(dian)暈(yun)(yun)(yun)損(sun)(sun)失小(xiao)(xiao)，有(you)(you)良好的散熱性。一般在架(jia)空線(xian)路中(zhong)，由絕緣子(zi)泄露(lu)電(dian)(dian)流(liu)而(er)產(chan)生的有(you)(you)功損(sun)(sun)耗極小(xiao)(xiao)，可忽略不記，所以(yi)對架(jia)空線(xian)路主要(yao)考慮(lv)電(dian)(dian)暈(yun)(yun)(yun)損(sun)(sun)耗。由于架(jia)空線(xian)...

擴徑導(dao)線(xian)(xian)線(xian)(xian)膨脹系數較好，電(dian)(dian)暈損(sun)失小(xiao)，有良(liang)好的散熱性(xing)。適(shi)用于(yu)高低(di)壓輸電(dian)(dian)線(xian)(xian)中電(dian)(dian)廠及變電(dian)(dian)站(zhan)配(pei)電(dian)(dian)線(xian)(xian)路(lu)(lu)、母線(xian)(xian)等。減少電(dian)(dian)暈損(sun)失，節約有色金屬。對于(yu)架空輸電(dian)(dian)線(xian)(xian)路(lu)(lu)，除了導(dao)線(xian)(xian)電(dian)(dian)阻的有功(gong)損(sun)耗(hao)外，還有電(dian)(dian)暈損(sun)耗(hao)和沿絕緣子(zi)漏(lou)電(dian)(dian)所致的有功(gong)損(sun)耗(hao)；對于(yu)電(dian)(dian)纜(lan)線(xian)(xian)路(lu)(lu)，主要是介質...

對于架(jia)空輸電(dian)(dian)線(xian)(xian)路(lu)，除了導線(xian)(xian)電(dian)(dian)阻的有(you)(you)功損(sun)(sun)(sun)耗(hao)外，還有(you)(you)電(dian)(dian)暈損(sun)(sun)(sun)耗(hao)和沿絕(jue)緣子漏(lou)電(dian)(dian)所致(zhi)的有(you)(you)功損(sun)(sun)(sun)耗(hao)；對于電(dian)(dian)纜線(xian)(xian)路(lu)，主要是(shi)介(jie)質損(sun)(sun)(sun)耗(hao)。一般(ban)在架(jia)空線(xian)(xian)路(lu)中，由(you)絕(jue)緣子泄露電(dian)(dian)流而產生的有(you)(you)功損(sun)(sun)(sun)耗(hao)極(ji)小，可(ke)忽略不記，所以對架(jia)空線(xian)(xian)路(lu)主要考慮(lv)電(dian)(dian)暈損(sun)(sun)(sun)耗(hao)。由(you)于架(jia)空線(xian)(xian)路(lu)的絕(jue)緣介(jie)質是(shi)...

對(dui)于(yu)排(pai)(pai)擠(ji)(ji)輸電(dian)(dian)線路(lu)，除(chu)導線電(dian)(dian)阻的有(you)功(gong)消耗(hao)外，還(huan)有(you)電(dian)(dian)暈消耗(hao)和沿盡緣子漏電(dian)(dian)而至的有(you)功(gong)消耗(hao)；對(dui)于(yu)電(dian)(dian)纜線路(lu)，主(zhu)要是介質(zhi)消耗(hao)。一般在排(pai)(pai)擠(ji)(ji)線路(lu)中，由盡緣子泄露電(dian)(dian)流而發生的有(you)功(gong)消耗(hao)極小(xiao)，可疏忽(hu)不記，所(suo)以(yi)對(dui)排(pai)(pai)擠(ji)(ji)線路(lu)主(zhu)要斟酌電(dian)(dian)暈消耗(hao)。由于(yu)排(pai)(pai)擠(ji)(ji)線路(lu)的盡緣介質(zhi)是空...

擴徑(jing)導(dao)線(xian)是以滿足技術(shu)條件的(de)常規導(dao)線(xian)規格為基準，采取擴大導(dao)線(xian)外(wai)徑(jing)技術(shu)，在保證電(dian)暈所(suo)要求的(de)導(dao)線(xian)外(wai)徑(jing)前提下，減少(shao)導(dao)線(xian)的(de)鋁截(jie)面，從而減少(shao)導(dao)線(xian)的(de)總重(zhong)量(liang)，減少(shao)鐵(tie)塔荷載和結構重(zhong)量(liang)，極大地(di)降低線(xian)路造價。當線(xian)路的(de)電(dian)壓超過220kv時，為了降低線(xian)路電(dian)抗和電(dian)暈損(sun)...

當線(xian)路的電壓超過(guo)220kv時，為(wei)了降(jiang)低(di)線(xian)路電抗和(he)電暈損(sun)耗，通常(chang)采用擴徑(jing)導(dao)(dao)線(xian)或分(fen)裂導(dao)(dao)線(xian)。分(fen)裂導(dao)(dao)線(xian)是(shi)將每(mei)相導(dao)(dao)線(xian)分(fen)為(wei)若干(gan)根(gen)子(zi)導(dao)(dao)線(xian)，每(mei)根(gen)之間保持(chi)一定距離（一般為(wei)400mm）這樣可以(yi)使(shi)導(dao)(dao)線(xian)的等效半(ban)徑(jing)增大(da)，從而降(jiang)低(di)線(xian)路的電抗和(he)電暈損(sun)耗。擴徑(jing)導(dao)(dao)線(xian)就(jiu)是(shi)把普(pu)...

1、普通(tong)型耐(nai)熱鋁合金導(dao)線的(de)技術特點：a.長期工作(zuo)溫度(du)(du)150℃，比普通(tong)鋁線長期工作(zuo)溫度(du)(du)70℃提(ti)高(gao)1.14倍。載流量比普通(tong)鋁線提(ti)高(gao)60%以上(shang)。b.抗(kang)拉強度(du)(du)保持(chi)率(lv)≥90%。c.導(dao)電率(lv)≥58%IACS。d.150℃時蠕變比硬(ying)鋁90℃時蠕變小。2、高(gao)...

擴徑導線(xian)(xian)是以滿足技術條(tiao)件的常(chang)規導線(xian)(xian)規格為基準(zhun)，采取(qu)擴大(da)導線(xian)(xian)外徑技術，在保證電暈所要(yao)求(qiu)的導線(xian)(xian)外徑前提(ti)下(xia)，減少(shao)導線(xian)(xian)的鋁截面，從而減少(shao)導線(xian)(xian)的總重(zhong)量，減少(shao)鐵(tie)塔荷載(zai)和(he)結構重(zhong)量，極大(da)地(di)降低(di)線(xian)(xian)路造價(jia)。當線(xian)(xian)路的電壓超過220kv時，為了降低(di)線(xian)(xian)路電抗和(he)電暈損...

   擴(kuo)徑導(dao)(dao)線(xian)(xian)是在普通的(de)鋼(gang)芯絞(jiao)(jiao)線(xian)(xian)基礎上開發的(de)一種新型特殊導(dao)(dao)線(xian)(xian)，是目前為(wei)(wei)止外徑最大(da)的(de)架(jia)空導(dao)(dao)線(xian)(xian)。擴(kuo)徑鋼(gang)芯鋁絞(jiao)(jiao)線(xian)(xian)也叫(jiao)擴(kuo)徑空心母線(xian)(xian)，由多層(ceng)鋁線(xian)(xian)反向絞(jiao)(jiao)合(he)而成，中(zhong)間為(wei)(wei)圓形中(zhong)空結構(gou)。  &nbs...

擴(kuo)徑(jing)導線在超高(gao)壓(ya)(ya)和特高(gao)壓(ya)(ya)輸電工程(cheng)中有很大的應用(yong)空間，尤(you)其在高(gao)海拔地區(qu)有著更為廣闊的前(qian)景。擴(kuo)徑(jing)鋼芯鋁絞線LGKK適(shi)用(yong)于(yu)高(gao)低壓(ya)(ya)輸電線中電廠及變電站配電線路(lu)(lu)。擴(kuo)徑(jing)導線的產(chan)(chan)品用(yong)途：本產(chan)(chan)品適(shi)用(yong)于(yu)高(gao)低壓(ya)(ya)輸電線中電廠及變電站配電線路(lu)(lu)、母線等(deng)。減少電暈損失...

擴(kuo)徑(jing)導(dao)(dao)(dao)線(xian)(xian)也就是擴(kuo)大導(dao)(dao)(dao)線(xian)(xian)外(wai)徑(jing)技術，當(dang)線(xian)(xian)路的(de)電(dian)(dian)壓超過220kv時，為了降低線(xian)(xian)路電(dian)(dian)抗和(he)電(dian)(dian)暈損耗，通常采用(yong)擴(kuo)徑(jing)導(dao)(dao)(dao)線(xian)(xian)。擴(kuo)徑(jing)導(dao)(dao)(dao)線(xian)(xian)就是把普通的(de)導(dao)(dao)(dao)線(xian)(xian)做成中空（里(li)面用(yong)多股芯線(xian)(xian)和(he)支撐層做成）或(huo)者(zhe)減(jian)少其中部分層單線(xian)(xian)數量（使該層單線(xian)(xian)間存在一定數量空隙(xi)），最終達到增...

擴(kuo)徑導線(xian)(xian)是以滿足技術(shu)條件的常規導線(xian)(xian)規格為基準，采取擴(kuo)大(da)導線(xian)(xian)外徑技術(shu)，在(zai)保證電暈所(suo)要求的導線(xian)(xian)外徑前提下，減(jian)少導線(xian)(xian)的鋁截面，從(cong)而減(jian)少導線(xian)(xian)的總重(zhong)量，減(jian)少鐵(tie)塔(ta)荷載和結構重(zhong)量，極大(da)地降低線(xian)(xian)路造(zao)價。擴(kuo)徑導線(xian)(xian)的產品用途：本產品適用于高低壓輸電線(xian)(xian)中電廠及(ji)變(bian)...

擴徑(jing)導(dao)線(xian)是以滿(man)足技(ji)術(shu)條(tiao)件的(de)(de)常規(gui)(gui)導(dao)線(xian)規(gui)(gui)格為基(ji)準，采(cai)取擴大(da)導(dao)線(xian)外(wai)徑(jing)技(ji)術(shu)，在(zai)保證電暈(yun)所要求的(de)(de)導(dao)線(xian)外(wai)徑(jing)前(qian)提下，減(jian)少(shao)導(dao)線(xian)的(de)(de)鋁截面(mian)，從而減(jian)少(shao)導(dao)線(xian)的(de)(de)總重量，減(jian)少(shao)鐵(tie)塔荷載和結構重量，極大(da)地降低線(xian)路造(zao)價。當線(xian)路的(de)(de)電壓超過(guo)220kv時，為了降低線(xian)路電抗和電暈(yun)損...

擴徑(jing)導線(xian)是以滿(man)足技術(shu)條(tiao)件的(de)常規(gui)導線(xian)規(gui)格(ge)為基準(zhun)，采取擴大導線(xian)外(wai)徑(jing)技術(shu)，在保證電(dian)(dian)暈(yun)所(suo)要求的(de)導線(xian)外(wai)徑(jing)前提下，減少(shao)導線(xian)的(de)鋁截(jie)面，從而(er)減少(shao)導線(xian)的(de)總重(zhong)量(liang)，減少(shao)鐵塔(ta)荷載和結構重(zhong)量(liang)，極(ji)大地降低(di)線(xian)路造(zao)價。當線(xian)路的(de)電(dian)(dian)壓超過(guo)220kv時(shi)，為了降低(di)線(xian)路電(dian)(dian)抗和電(dian)(dian)暈(yun)損...

隨著我國(guo)超高壓輸(shu)(shu)電(dian)線路技術的(de)不(bu)斷發(fa)展和提高，許(xu)多的(de)新(xin)材料、新(xin)工藝(yi)不(bu)斷地(di)應(ying)用于輸(shu)(shu)電(dian)線路中，鋁(lv)合金材料因具備(bei)優良的(de)導電(dian)性(xing)能(neng)(neng)(neng)、相對較低的(de)價格、寬廣的(de)使用溫度等(deng)綜合性(xing)能(neng)(neng)(neng)而(er)廣泛地(di)用來(lai)制作高電(dian)壓等(deng)級(ji)輸(shu)(shu)變電(dian)工程中的(de)擴徑導線，其能(neng)(neng)(neng)夠(gou)傳輸(shu)(shu)大容量的(de)電(dian)流(liu)，然而(er)目(mu)...

擴徑(jing)導(dao)(dao)(dao)線(xian)是以滿足(zu)技(ji)術條件(jian)的常規導(dao)(dao)(dao)線(xian)規格(ge)為基準(zhun)，采取擴大導(dao)(dao)(dao)線(xian)外(wai)徑(jing)技(ji)術，在保證電(dian)暈所要求的導(dao)(dao)(dao)線(xian)外(wai)徑(jing)前(qian)提下，減少(shao)導(dao)(dao)(dao)線(xian)的鋁截面，從而(er)減少(shao)導(dao)(dao)(dao)線(xian)的總重量，減少(shao)鐵塔荷載和結構重量，極大地(di)降低線(xian)路造價。當線(xian)路的電(dian)壓超過(guo)220kv時，為了降低線(xian)路電(dian)抗和電(dian)暈損...

擴徑(jing)導(dao)線是(shi)以滿足技術條(tiao)件(jian)的常規(gui)導(dao)線規(gui)格(ge)為(wei)基準，采取擴大(da)導(dao)線外徑(jing)技術，在(zai)保(bao)證電(dian)暈(yun)所要求的導(dao)線外徑(jing)前(qian)提下，減(jian)少導(dao)線的鋁截面(mian)，從而(er)減(jian)少導(dao)線的總重量(liang)，減(jian)少鐵塔荷載和結構重量(liang)，極大(da)地降低(di)線路造價。當線路的電(dian)壓超(chao)過220kv時，為(wei)了降低(di)線路電(dian)抗和電(dian)暈(yun)損...

擴徑導(dao)(dao)線(xian)(xian)是以滿足技(ji)術條件的常規(gui)導(dao)(dao)線(xian)(xian)規(gui)格為(wei)基準，采取擴大(da)導(dao)(dao)線(xian)(xian)外(wai)徑技(ji)術，在保證(zheng)電(dian)(dian)暈(yun)(yun)所要求的導(dao)(dao)線(xian)(xian)外(wai)徑前提下，減少導(dao)(dao)線(xian)(xian)的鋁截面，從(cong)而減少導(dao)(dao)線(xian)(xian)的總重量，減少鐵塔荷(he)載(zai)和結構重量，極(ji)大(da)地降低(di)線(xian)(xian)路(lu)造價。當線(xian)(xian)路(lu)的電(dian)(dian)壓超過220kv時，為(wei)了降低(di)線(xian)(xian)路(lu)電(dian)(dian)抗(kang)和電(dian)(dian)暈(yun)(yun)損...

擴(kuo)(kuo)徑(jing)導線(xian)(xian)(xian)就(jiu)是把普通(tong)的(de)導線(xian)(xian)(xian)做成(cheng)中(zhong)空(kong)（里面用多股芯線(xian)(xian)(xian)和支撐層做成(cheng)）或者減少其中(zhong)部分層單線(xian)(xian)(xian)數量(liang)(liang)（使該層單線(xian)(xian)(xian)間存在一定數量(liang)(liang)空(kong)隙），最終(zhong)達到增(zeng)加導線(xian)(xian)(xian)的(de)等(deng)效半(ban)徑(jing)的(de)目的(de)。當線(xian)(xian)(xian)路(lu)的(de)電壓超過220kv時，為了降低線(xian)(xian)(xian)路(lu)電抗和電暈損耗(hao)，通(tong)常采用擴(kuo)(kuo)徑(jing)導線(xian)(xian)(xian)。擴(kuo)(kuo)徑(jing)導線(xian)(xian)(xian)...

對于排擠(ji)輸電線(xian)路(lu)(lu)，除導線(xian)電阻的有(you)功消(xiao)(xiao)(xiao)耗外(wai)，還有(you)電暈消(xiao)(xiao)(xiao)耗和沿盡(jin)緣(yuan)子(zi)漏(lou)電而至的有(you)功消(xiao)(xiao)(xiao)耗；對于電纜線(xian)路(lu)(lu)，主要(yao)是介質消(xiao)(xiao)(xiao)耗，一般在排擠(ji)線(xian)路(lu)(lu)中，由(you)盡(jin)緣(yuan)子(zi)泄露電流而發(fa)生的有(you)功消(xiao)(xiao)(xiao)耗極小(xiao)，可疏忽不記，所以對排擠(ji)線(xian)路(lu)(lu)主要(yao)斟酌電暈消(xiao)(xiao)(xiao)耗。由(you)于架空(kong)(kong)線(xian)路(lu)(lu)的絕緣(yuan)介質是空(kong)(kong)...

擴徑導(dao)線(xian)是以滿(man)足技術(shu)條件的常規導(dao)線(xian)規格為基準，采取(qu)擴大(da)導(dao)線(xian)外徑技術(shu)，在保證電暈所要(yao)求的導(dao)線(xian)外徑前提下(xia)，減(jian)少導(dao)線(xian)的鋁截(jie)面，從而減(jian)少導(dao)線(xian)的總重(zhong)量(liang)，減(jian)少鐵塔(ta)荷載(zai)和結構重(zhong)量(liang)，極大(da)地降低線(xian)路造價。 當(dang)線(xian)路的電壓超過220kv時(shi)，為了降低線(xian)路...

備(bei)受行業關注的(de)鋁(lv)合金導線(xian)首(shou)次被納入國(guo)家(jia)電網公司(si)(si)新(xin)技(ji)(ji)術(shu)推(tui)廣目(mu)錄(lu)，成為未來(lai)幾年(nian)新(xin)技(ji)(ji)術(shu)推(tui)廣的(de)重點。根(gen)據《目(mu)錄(lu)》規劃，2014~2016年(nian)，要在110（66）千伏及以(yi)上電壓等(deng)級線(xian)路中(zhong)應用節能導線(xian)20000千米。在國(guo)家(jia)電網公司(si)(si)發布的(de)《國(guo)家(jia)電網公司(si)(si)新(xin)技(ji)(ji)...

空(kong)心擴(kuo)徑導線產品規(gui)格(ge)齊全(quan)，能滿(man)足(zu)我國變電站，換流站用各(ge)種(zhong)規(gui)格(ge)特(te)種(zhong)道縣（軟母線）的(de)(de)全(quan)部(bu)需求。一、空(kong)心擴(kuo)徑導線特(te)點/用途：具(ju)有(you)優良的(de)(de)耐腐(fu)蝕性(xing)能，抗油(you)、強(qiang)酸、抗強(qiang)堿、強(qiang)氧(yang)化劑等(deng)；具(ju)有(you)優良的(de)(de)電絕緣性(xing)能、耐高(gao)電壓、高(gao)頻損耗小、不(bu)吸潮、絕緣電阻大；具(ju)有(you)...

擴徑導(dao)線(xian)(xian)(xian)是(shi)以滿(man)足技術條件的常規(gui)導(dao)線(xian)(xian)(xian)規(gui)格為基準，采取擴大導(dao)線(xian)(xian)(xian)外徑技術，在保證電暈(yun)(yun)所要求的導(dao)線(xian)(xian)(xian)外徑前提下，減少導(dao)線(xian)(xian)(xian)的鋁截面，從而減少導(dao)線(xian)(xian)(xian)的總重(zhong)量，減少鐵塔荷載(zai)和結構(gou)重(zhong)量，極大地降(jiang)低線(xian)(xian)(xian)路造價。交(jiao)流輸電線(xian)(xian)(xian)路的電暈(yun)(yun)損失主要與導(dao)線(xian)(xian)(xian)表面場強和天氣有關，...

  交流輸電(dian)線(xian)(xian)(xian)(xian)路的電(dian)暈(yun)損失主(zhu)要(yao)(yao)與導(dao)(dao)線(xian)(xian)(xian)(xian)表面(mian)(mian)場(chang)強(qiang)和(he)天(tian)氣有關，根據絕緣水平要(yao)(yao)求確定了(le)相間(jian)距離后(hou)，導(dao)(dao)線(xian)(xian)(xian)(xian)表面(mian)(mian)場(chang)強(qiang)主(zhu)要(yao)(yao)與導(dao)(dao)線(xian)(xian)(xian)(xian)分裂數、分裂間(jian)距和(he)子導(dao)(dao)線(xian)(xian)(xian)(xian)直徑(jing)(jing)有關，分裂數越多，子導(dao)(dao)線(xian)(xian)(xian)(xian)直徑(jing)(jing)越大，表面(mian)(mian)場(chang)強(qiang)越小(xiao)。擴(kuo)徑(jing)(jing)導(dao)(dao)線(xian)(xian)(xian)(xian)通過支(zhi)撐鋁線(xian)(xian)(xian)(xian)...

  對于架空輸電(dian)線路(lu)，除了導(dao)線電(dian)阻的有功(gong)損(sun)耗(hao)外，還有電(dian)暈損(sun)耗(hao)和(he)沿(yan)絕緣(yuan)子漏電(dian)所(suo)致的有功(gong)損(sun)耗(hao)；對于電(dian)纜(lan)線路(lu)，主要是介質(zhi)損(sun)耗(hao)。   一般在架空線路(lu)中，由絕緣(yuan)子泄露電(dian)流而產生的有功(gong)損(sun)耗(hao)極(ji)小，可...

  交(jiao)流輸電(dian)線(xian)路的(de)電(dian)暈損失主(zhu)要與(yu)(yu)導(dao)(dao)線(xian)表(biao)面場(chang)強(qiang)和天氣有關(guan)，根據絕(jue)緣水平(ping)要求確定了相間距(ju)離(li)后，導(dao)(dao)線(xian)表(biao)面場(chang)強(qiang)主(zhu)要與(yu)(yu)導(dao)(dao)線(xian)分裂(lie)(lie)數、分裂(lie)(lie)間距(ju)和子(zi)(zi)導(dao)(dao)線(xian)直徑有關(guan)，分裂(lie)(lie)數越多，子(zi)(zi)導(dao)(dao)線(xian)直徑越大，表(biao)面場(chang)強(qiang)越小。擴徑導(dao)(dao)線(xian)通(tong)過支撐鋁線(xian)疏繞的(de)...

  電(dian)(dian)(dian)暈(yun)噪(zao)聲(sheng)是指伴隨著導線周圍(wei)的電(dian)(dian)(dian)暈(yun)或火(huo)花放電(dian)(dian)(dian)所產生的一種噪(zao)聲(sheng)，屬于聲(sheng)頻(pin)干擾。電(dian)(dian)(dian)暈(yun)噪(zao)聲(sheng)頻(pin)率(lv)范圍(wei)一般為60～4000Hz，峰(feng)值(zhi)頻(pin)率(lv)是工(gong)頻(pin)的2倍左右(you)。輸電(dian)(dian)(dian)線路可聽噪(zao)聲(sheng)屬于低頻(pin)范圍(wei)，具(ju)有較(jiao)強的穿透力，衰減較(jiao)慢，能(neng)傳播到(dao)較(jiao)遠...

  我國西部的(de)輸電(dian)(dian)線(xian)路的(de)輸電(dian)(dian)容(rong)量一般不大，但是所處海拔(ba)較高(gao)，如我國第1條750kV輸電(dian)(dian)線(xian)路經過(guo)地區(qu)海拔(ba)高(gao)度(du)基本在2000m以上(shang)。在其他條件相同的(de)情況下(xia)，海拔(ba)越高(gao)輸電(dian)(dian)線(xian)路導線(xian)越容(rong)易起暈(yun)。在電(dian)(dian)壓(ya)、分裂數、子導線(xian)間距、海拔(ba)...

  擴徑導線(xian)(xian)(xian)(xian)一般大(da)多用在(zai)特(te)高(gao)壓線(xian)(xian)(xian)(xian)路、高(gao)海拔地區、人口密集的地區。按用途(tu)分為線(xian)(xian)(xian)(xian)路用和變電站用兩大(da)類；按結(jie)構(gou)特(te)點分為大(da)內(nei)徑鋁(lv)管支(zhi)撐(cheng)型擴徑導線(xian)(xian)(xian)(xian)、小內(nei)徑鋁(lv)管填充型擴徑導線(xian)(xian)(xian)(xian)、疏絞型擴徑導線(xian)(xian)(xian)(xian)、高(gao)密度聚(ju)乙烯支(zhi)撐(cheng)型擴徑導線(xian)(xian)(xian)(xian)。&nbs...

  遼寧(ning)大元電纜制(zhi)造(zao)有限公司向(xiang)市場供應(ying)的擴(kuo)徑(jing)導線，符合規格誤差極小，遠銷遼寧(ning)、吉林、黑龍(long)江、河北、山西、內蒙(meng)古(gu)自治區等省市。產(chan)品廣泛的用(yong)于城鄉電網(wang)改造(zao)上，并創出了名牌，得到用(yong)戶(hu)的一致好(hao)評。現我擴(kuo)徑(jing)導線生產(chan)廠(chang)家(jia)向(xiang)大家(jia)做...

電暈噪聲(sheng)是指伴(ban)隨著導線(xian)(xian)周圍(wei)(wei)的(de)(de)(de)電暈或火花放電所產生的(de)(de)(de)一種噪聲(sheng)，屬于(yu)聲(sheng)頻(pin)干擾。電暈噪聲(sheng)頻(pin)率范(fan)(fan)圍(wei)(wei)一般為60～4000Hz，峰值頻(pin)率是工頻(pin)的(de)(de)(de)2倍左右(you)。輸電線(xian)(xian)路可(ke)聽噪聲(sheng)屬于(yu)低頻(pin)范(fan)(fan)圍(wei)(wei)，具有(you)較(jiao)(jiao)強的(de)(de)(de)穿透力(li)，衰減較(jiao)(jiao)慢，能傳播(bo)到較(jiao)(jiao)遠的(de)(de)(de)地方，一般可(ke)達1km。我(wo)國(guo)...

我(wo)國西(xi)部的(de)輸電(dian)線(xian)(xian)路的(de)輸電(dian)容量一般不(bu)大(da)，但是所處海拔(ba)(ba)較(jiao)高(gao)，如我(wo)國第1條(tiao)750kV輸電(dian)線(xian)(xian)路經過地區(qu)海拔(ba)(ba)高(gao)度(du)基本(ben)在2000m以(yi)上。在其他條(tiao)件相(xiang)(xiang)同的(de)情況下，海拔(ba)(ba)越高(gao)輸電(dian)線(xian)(xian)路導線(xian)(xian)越容易起(qi)暈。在電(dian)壓、分裂數、子導線(xian)(xian)間距、海拔(ba)(ba)等相(xiang)(xiang)同的(de)情況下，導線(xian)(xian)外(wai)徑越大(da)...

擴徑(jing)導(dao)(dao)線一般大(da)多用(yong)(yong)在特(te)高壓線路(lu)、高海拔地區、人口密集(ji)的地區。按(an)用(yong)(yong)途(tu)分(fen)為線路(lu)用(yong)(yong)和變電站用(yong)(yong)兩大(da)類；按(an)結構(gou)特(te)點(dian)分(fen)為大(da)內徑(jing)鋁管(guan)(guan)支(zhi)撐型(xing)擴徑(jing)導(dao)(dao)線、小內徑(jing)鋁管(guan)(guan)填充型(xing)擴徑(jing)導(dao)(dao)線、疏絞型(xing)擴徑(jing)導(dao)(dao)線、高密度(du)聚乙烯支(zhi)撐型(xing)擴徑(jing)導(dao)(dao)線。特(te)高壓線路(lu)：特(te)高壓輸電處于超大(da)規模電...

產品擴徑導(dao)(dao)(dao)線(xian)(xian)(xian)是(shi)以(yi)滿足技(ji)術條件的常規(gui)導(dao)(dao)(dao)線(xian)(xian)(xian)規(gui)格(ge)為基準，其采取(qu)擴大導(dao)(dao)(dao)線(xian)(xian)(xian)外(wai)徑技(ji)術，保證電(dian)暈所(suo)要(yao)求的導(dao)(dao)(dao)線(xian)(xian)(xian)外(wai)徑前(qian)提下(xia)，減少導(dao)(dao)(dao)線(xian)(xian)(xian)的鋁截面(mian)，進而減少導(dao)(dao)(dao)線(xian)(xian)(xian)的總重(zhong)量，減少鐵(tie)塔荷載和(he)結構重(zhong)量，極大地降(jiang)低(di)線(xian)(xian)(xian)路造價。  當(dang)線(xian)(xian)(xian)路電(dian)壓超過220k...