Abstract
The problem of optimal management of a water distribution system includes the determination of the operation regime for each hydrophore station. The optimal operation of a water distribution system means a maximum attention to assess the demands of the water, with minimum electrical energy consumption. The analysis of load profiles corresponding to a water distribution system can be the first step that water companies must make to assess the electrical energy consumption. This paper presents a new method to assess the electrical load in water distribution systems, taking into account the time-dependent evolution of loads from the hydrophore stations. The proposed method is tested on a real urban water distribution system, showing its effectiveness in obtaining the electrical energy consumption with a relatively low computational burden.
Highlights
Water and energy are critical resources that affect virtually all aspects of daily life
This paper presents a new method to assess the electrical load in water distribution systems, taking into account the time-dependent evolution of loads from the hydrophore stations
(i) The mean loads corresponding to a cluster of hydrophore stations from the water distribution system in any hour during the analyzed period are approximately proportional to the electrical energy consumption of those stations
Summary
Water and energy are critical resources that affect virtually all aspects of daily life. Energy-saving measures in water supply systems can be realized in many ways, from decreasing the volume of water pumps (e.g., adjusting pressure zone boundaries) to reducing the price of energy (e.g., avoiding peak hour pumping and making effective use of storage tanks) or increasing the efficiency of pumps (e.g., ensuring that pumps are operating near their best efficiency point) These energysaving measures often pay for themselves in months, most do so within a year, and almost all recover their costs within three years. A permanent policy for the reduction of electrical energy consumption involves the technical improvement in the water distribution system, and requires the use of software tools to facilitate the operation process Based on this concept, a new approach is proposed in the paper based on similarities that exist between daily load profiles of each hydrophore station from water distribution system and their grouping into representative clusters.
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