In order to achieve constant water level control of the front pool of the variable frequency pump station,the main flow of constant water level control,state update calculation and closed-loop controller are designed.Functional modules such as state infor-mation acquisition and command issuance,key control parameter setting,data quality analysis,closed-loop control on/off setting,and state monitoring are developed.With or without retrofitting the original SCADA system,the constant water level control prob-lem of the pump station is solved.This achievement is applicable to both new and old pump station renovations,and has great pro-motion and application value in pump station engineering.
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