Research of the Influence of the Variable Tidal of the Yangtze River on Optimal Operation of Adjustable-Blade in the Large Pumping Station

Abstract:

In this paper, a model that optimal daily operation(without considering peak and valley price) of single adjustable-blade pump unit in the large pumping station along the Yangtze River is established. Where the minimum cost of energy consumption of single pump unit is set as the objective function, the periods are defined as stage variables, the blade angle is expressed as a decision variable and the daily quantity of delivery water is considered as constraint. The No. 4 Jiangdu Pump Station is taken as a study case. Dynamic programming is adopted to carry out the tidal large pumping station along the Yangtze River. Through this method, under the condition of different water quantity constraint, different average pumping head and different average tidal range amplitude,the influence of the tidal variation on optimal operation of single pump unit in the pumping station is determined. The application results shows that: With the decreased of average pumping head and the increased of average tidal range, the effect of optimal operation of adjustable-blade pump unit in the pumping station along the Yangtze River is getting more and more obvious.

• Periodical: Applied Mechanics and Materials (Volumes 212-213)
• Pages: 1249-1254
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.212-213.1249
• Online since: October 2012
• Authors: Li Hua Zhang, Hai Tao Qian
• Keywords: Adjustable-Blade, Dynamic Programming, Optimization, Pump Station, Tidal

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