Abstract
Grouping intakes into sectors so they operate in scheduled periods allows irrigation networks to be operated more efficiently from an energy point of view. In the case of systems where water is supplied by pumps, the criteria used to date to create irrigation sectors does not guarantee that pumping sets work in the most efficient manner, despite the use of variable frequency drives. A new methodology, using a genetic algorithm and a hydraulic network model, has been developed to group intakes into sectors to minimise energy consumption. The methodology was applied to a case study and several scenarios compared using energy performance indicators. Predictions on a case study in Spain showed that energy savings of 36.4% could be possible and operational network conditions can be improved by ensuring minimum pressures are guaranteed.
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