交流輸電(dian)線(xian)(xian)路的電(dian)暈(yun)損失主要與導線(xian)(xian)表(biao)面(mian)場(chang)強(qiang)和天氣有關,根據絕緣水平(ping)要求(qiu)確定了相間距離后,導線(xian)(xian)表(biao)面(mian)場(chang)強(qiang)主要與導線(xian)(xian)分裂數、分裂間距和子導線(xian)(xian)直徑(jing)(jing)有關,分裂數越(yue)多,子導線(xian)(xian)直徑(jing)(jing)越(yue)大(da),表(biao)面(mian)場(chang)強(qiang)越(yue)小(xiao)。擴(kuo)徑(jing)(jing)導線(xian)(xian)通過支撐鋁(lv)線(xian)(xian)疏繞的方式擴(kuo)大(da)了導線(xian)(xian)外徑(jing)(jing),這樣(yang)可減小(xiao)...
分裂導(dao)線(xian)(xian)(xian)是由(you)三(san)根或四根單芯導(dao)線(xian)(xian)(xian)經過某種(zhong)(zhong)工藝制造在一起的一種(zhong)(zhong)可分裂的導(dao)線(xian)(xian)(xian),或者稱導(dao)線(xian)(xian)(xian)束,這種(zhong)(zhong)分裂導(dao)線(xian)(xian)(xian)不(bu)僅(jin)僅(jin)是形式上(shang)與(yu)常(chang)規導(dao)線(xian)(xian)(xian)不(bu)同,由(you)于分裂導(dao)線(xian)(xian)(xian)可使導(dao)線(xian)(xian)(xian)周圍磁場分布改變(bian),從而等效地增大(da)了(le)導(dao)線(xian)(xian)(xian)半徑,減(jian)小了(le)導(dao)線(xian)(xian)(xian)電抗;同...
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