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240铝芯电缆载多少kw
更新时间: 2021-12-29 10:22:02  

240平方铝芯电缆三相四线可负荷14.5千瓦。

根据三相电相线电流计算公式 P=I×U×1.732×cosΦ;

P-功率(W);U-电压(380V);cosΦ-功率因素(0.85);I-载流量(A);

查下表得到:240平方铝芯线的最大安全载流量I为260A;

带入数据I=260A,U=380V ,cosΦ=0.85;

计算得,240平方铝芯可承受最大负荷P=260×380×1.732×0.85=14.5KW。

关键词: 电缆 多少 kw

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