Optimization Planning of Small or Medium Pumping Stations along the Yangtze River Affected by Tides
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Abstract:
An optimal operation model of small or medium pumping stations along the Yangtze River affected by tides was developed on the basis of the objective function of least power consumption expense of the pumping stations, the decision variable of flow rate at each pumping station, and the constraint condition of pumped water quantity. The model was solved using the large-scale system of experimental optimization method. The results showed that under certain tidal and time-of-use power price conditions, the start-up mode of the pump station with nonadjustable working condition along the Yangtze River is mainly affected by the time-of-use power price. In order to decrease the operational cost of pumping stations, the flow rate should be reduced with high power price, and be increased with lower power price. The results can provide reference for the optimal management and operation of pumping stations affected by tides.
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