["구산 풍기 유량", ["452 Pa의 이름표 압력을 가진 152 Pa의 흐름량은 382 NNm3/h이고 � power功率是15.5KW的变频操作的. 현재 变频器是25Hz的, 전류：132a의 转速743r/min.进口352Pa의 我想知道流量是多少？离心风机流量", ["이 파라미터는 이렇게 많은 功率吗？我们这边选出来75KW就足够了.不会是零下多少度运行吧？主题提供了很多条件但是按照风机三大定律一个也套不下来铭牌上有没有转速呀有转速就好算了."]["모터 功率及效率를 통해 �轴功率을 계산할 수 있습니다. 轴功率等于风机全压乘以流量除以风机效率可以反算出流量"]

2017-10-31View Original

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一台离心风机，名牌压力是4500pa，流量是38000Nm3/h,功率是159.5KW的变频操作的，现在变频器是25Hz，电流：130a，转速743r/min.进口350Pa，我想知道流量是多少？离心风机, 流量

Reply #22017-10-31

这个参数要这么大的功率呀，我们这边选出来75KW就足够了，不会是零下多少度运行吧？题主提供了很多条件，但是按照风机三大定律一个也套不下来，铭牌上有没有转速呀，有转速就好算了。

Reply #32017-10-31

通过电机功率及效率算出轴功率轴功率等于风机全压乘以流量除以风机效率可以反算出流量

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