ul電子線在國際上合用的有三個規范。幾平方是國家規范劃定的的一個標稱值,幾平方是用戶利用電纜的負荷來斟酌ul電子線電(dian)(dian)(dian)(dian)纜。ul電(dian)(dian)(dian)(dian)子(zi)(zi)線(xian)平(ping)方(fang)(fang)數是(shi)裝(zhuang)修水電(dian)(dian)(dian)(dian)施(shi)工中的(de)一(yi)(yi)個行動用語,常說的(de)幾平(ping)方(fang)(fang)線(xian)是(shi)沒加部分(fen),即平(ping)方(fang)(fang)mm。ul電(dian)(dian)(dian)(dian)子(zi)(zi)線(xian)的(de)平(ping)方(fang)(fang)現實上標(biao)的(de)是(shi)ul電(dian)(dian)(dian)(dian)子(zi)(zi)線(xian)的(de)橫截(jie)面積,即ul電(dian)(dian)(dian)(dian)子(zi)(zi)線(xian)圓(yuan)形橫截(jie)面的(de)面積,部分(fen)為(wei)平(ping)方(fang)(fang)mm。通俗(su)來講,電(dian)(dian)(dian)(dian)量是(shi)當電(dian)(dian)(dian)(dian)網(wang)電(dian)(dian)(dian)(dian)壓(ya)是(shi)220v時辰,每(mei)(mei)平(ping)方(fang)(fang)ul電(dian)(dian)(dian)(dian)子(zi)(zi)線(xian)的(de)經歷(li)載(zai)電(dian)(dian)(dian)(dian)量是(shi)一(yi)(yi)千(qian)瓦(wa)擺布。銅(tong)線(xian)每(mei)(mei)一(yi)(yi)個平(ping)方(fang)(fang)可以或許(xu)載(zai)電(dian)(dian)(dian)(dian)1-一(yi)(yi)、5千(qian)瓦(wa),鋁線(xian)每(mei)(mei)一(yi)(yi)個平(ping)方(fang)(fang)可載(zai)電(dian)(dian)(dian)(dian)0.6-1千(qian)瓦(wa)。以是(shi)功(gong)率為(wei)1千(qian)瓦(wa)的(de)電(dian)(dian)(dian)(dian)器只要(yao)用一(yi)(yi)平(ping)方(fang)(fang)的(de)銅(tong)線(xian)就充沛了。具(ju)體到(dao)電(dian)(dian)(dian)(dian)流(liu),短(duan)距送電(dian)(dian)(dian)(dian)時通俗(su)銅(tong)線(xian)每(mei)(mei)平(ping)方(fang)(fang)可載(zai)3a到(dao)5a的(de)電(dian)(dian)(dian)(dian)流(liu)。散熱條(tiao)件好取5a/平(ping)方(fang)(fang)mm,不好取3a/平(ping)方(fang)(fang)mm。













