Improved expression of composite performance curve for data-driven pump turbine
Based on the composite performance curve of a pump turbine,this article aims to propose a three-dimensional and data-driven composite performance curve expression method,and proposes the Genetic Fuzzy Algorithm to find the opti-mal operating point as well.Based on the methods proposed in this article,the relationships between unit flow rate,unit rotation speed,efficiency,and guide vane opening have been intuitively and clearly expressed,and the optimal operating range has been effectively confirmed,which has reference significance for efficient operation of power plants and improving economic benefits.
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