P:2013-07-09 11:19:04
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根據(jù)直流電阻推導(dǎo)電纜截面中的影響因素<div>導(dǎo)體材料的引入系數(shù)K1</div><div>單絲拉伸導(dǎo)體變硬電阻增加的引入系數(shù)K2</div><div>線芯成纜的引入系數(shù)K3</div><div>
</div><div>延伸系數(shù)取1.10 填充系數(shù)取0.88</div><div>
</div><div>三個(gè)系數(shù)能取到多大</div><div>
</div><div>計(jì)算式為S=P20/R20*K1*K2*K3</div><div>
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</div><div>如此計(jì)算的話所引入的系數(shù)能計(jì)算得出嗎~??</div><div>
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pulling eye - 拉環(huán),引線孔(電纜安裝敷設(shè)時(shí)牽引用) (0) 投訴