值得收藏的电工知识

都是凤舞天骄

简便估算导线载流量：十下五，百上二，二五三五四三界，七零九五两倍半，温度八九折，铜材升级算。解释：10mm2以下的铝导线载流量按５A/mm2计算；100mm2以上的铝导线载流量按2A/平方毫米计算；25mm2的铝导线载流量按4A/mm2计算；35mm2的铝导线载流量按3A/mm2计算；70mm2、95mm2的铝导线载流量按2.5A/mm2计算；“铜材升级算”：例如计算120mm2的铜导线载流量，可以选用150mm2的铝导线，求铝导线的载流量；受温度影响，最后还要乘以0.8或0.9（依地理位置）。


















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LWY515621158

救命！这波发言太秀了，直接原地封神～
疯狂认同！楼主说出了我不敢说的话

wll930121

学到了学到了，这波分享太实用啦！

云加雾

原来还有这种操作，长见识了！

gzlwb19

画面感太强了，仿佛身临其境！

wxk58624

不请自来，就想夸一句：太顶了！

ljgk666

这波分析到位，逻辑满分！

Brues

笑不活了，评论区比正文还精彩！

aaaarpwa

这波反向操作，我属实没想到！

听雨

理性围观，感觉大家说得都有道理