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根据施工现场机械设备功率大小不一,离散性特点,把临时用电计算采用的利用系数法与需要系数法有效融合,引进公式即“各用电设备功率和的平方除以各相应设备功率平方和”的结果作为需要系数法中有效设备台数选用依据。此公式采用概率分析法得出恰当的理论数据,从而计算出线路控制系统设备选型及相应配套电缆,该方法对同一线路实际用电设备类型多样的用电负荷计算具有明显简便的效果,避免了类型不同多样情况造成的系数选取凌乱现象。
According to the construction site mechanical equipment of different sizes and discrete characteristics, the temporary use of electricity calculated by the use of coefficient method and the need for effective integration of the coefficient method, the introduction of the formula that is “the power of the power and the square divided by the corresponding equipment power Squared sum ”as the basis for the number of effective equipment required in the coefficient method. This formula uses the probability analysis method to derive the appropriate theoretical data to calculate the line control system equipment selection and the corresponding cable, the method of the same line of actual types of electrical equipment with a variety of electrical load calculation has obvious and simple effect, to avoid A variety of different types of factors caused by the selection of messy phenomenon.