[". 동작功率问题

2019-09-23View Original

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도움이 필요합니다: 泵设计运行工况范围内适当降低出口压力，电机运行功率是上升还是下降？

Reply #22019-09-23

会. 원리에 대해 설명해 줄 수 있을까요? 감사합니다

Reply #32019-09-23

会. 개인의 이해는 참고용으로만 사용해 주세요 背压降低，扬程和流量增大 P=HQpg/361，

Reply #42019-09-23

会. 출력압력을 낮추면 성능곡선에서 유추할 수 있 流量是增加的功率上升。

Reply #52019-09-24

会. 내구성 있는 화학공 泵， 플라스틱 泵， 스테인레스 � unterstüt지번호：1386652441（위챗 동호）

Reply #62019-09-24

会. 일반적으로 离心泵都具有连续向下的性能曲线流量随着扬程的降低逐渐变大。在操作过程中，将泵背压减少泵的工作点会主动地随着装置曲线向低扬程大流量点偏移通过泵轴功率计算公式计算（轴功率=流量×扬程*9.81*介质比重÷361÷泵效率） �泵的功率会升高电机的运行功率也相应地升高。

Reply #72019-10-01

会. 流量上升扬程下降乘积上升没有依据。尽管实际运行中确实如此。

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