185平方电缆400A电流100米电缆线损多少 380伏，150平方的电缆线，长度100米，线损大约百分之几...
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铝0.0315*100/185=0.017*3*400*400=8173/1000=8.17kw
铜0.0188*100/185=0.0102*3*400*400=4878/1000=4.88kw
由于电缆且是深埋影响散热等原因，损耗应大于计算值，但能满足统计要求。
当电流是400安培时，100米的电压降是7.8～8伏。
线路每增加100米，其载流量就打九折。
400V电压185平方铜钱能承受多大电流
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