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380v30kw用多大电缆

更新时间: 2020-12-16 00:00:00     

可以选用10平方或者以上的铜芯线,4x16平方毫米标准四芯电缆,或者3x16+1x10规格的;电缆大小根据负载功率、功率因素计算出载流量,再根据载流量选择,影响载流量的因素也很多,如:芯数、敷设方式、环境温度、负载性质、负载工作时间等等。

三相的电流=功率/电压/相位1.732/负载功率因数,电流=30000/380/1.732/0.95,约为48A左右。

关键词: 380v30kw 电缆

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