Abstract
In recent years, the SCADA (supervisory control and data acquisition) systems are applied widely for water distribution networks, where the auto-control valves are used to reduce the excessive water pressure of each node for further leakage control. In this paper, first the existing optimal location models of valves are briefly introduced, whose shortcomings are proposed. Then a new method based on direct hydraulic analysis theory of the mass conservation of nodes and the energy conservation of loops is available for optimal location of auto-control valves. Finally taking the water network of Tianjin Port Free Trade Zone as an example, valve location problem is illustrated, which shows the feasibility of the method.
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