["Problèmes de puissance pour罗茨风机运行功率的问题^",
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^Puissance de la l'unité罗茨风机功率公司的罗茨风机功率78kw，设定频率24Hz，运行电流
第一个公式看着靠谱，第二个公式不明白为何同频率的三次方成正比？转速变了，影响流量，不影响排气压力（系统压力决定）。
运行电流 是变频器电流么，还是电机的进线电流
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