功率30kw用多大的电缆,怎么算
功率30kw用多大的电缆,怎么算百分之39。以180A计算电量=（400/,120平方的铝线是1000元左右1百米,费用1.45=3设备总功率100KW
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Aug 19, 2019 · 如果是380V,导线 电流密度 是5A/MM² 30KW要用10.725 平方毫米 的电缆和53.625安培的开关。 根据三相电 功率计算公式：P=√3UIcosa（cosa是 功率因数,一般取
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380V三相电30kw要用多大的空开合适？_百度知道
Sep 22, 2024 · 因此,对于30KW的功率,选择100A的空开是合适的。 这个选择可以确保在设备正常运行时,空开不会误动作,同时在设备出现过载或短路时,空开能够迅速断开电路,保护设
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Dec 15, 2018 · 5、三相380V50HZ的30KW额定电流在56A左右,电源线应该不小于16平方的铜芯线。 6、简单计算方法： 每平方毫米铜线可以通过6~7A的电流,每平方毫米的铝线可以通
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May 28, 2025 · 30kw用多大的电缆30KW的设备在380V电压下,应使用10.725平方毫米及以上的电缆。 以下是具体分析：电流计算：首先,根据三相电功率计算公式P=√3UIcosa,可以计算
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Mar 22, 2024 · 30kw用多大的电缆30千瓦的电机额定运行电流在54A左右,16平方铜电缆长期连续负荷允许电流在60A,25平方铜电缆长期连续负荷允许电流在77A,考虑到启动电流和非正常
30千瓦的电机需要用多大的开关、接触器、保护器、电缆？
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