Simultaneous co-optimization for the economic dispatch of power and water networks

A. Santhosh, A. M. Farid, A. Adegbege, K. Youcef-Toumi

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    19 Scopus citations

    Abstract

    Water distribution and power transmission networks are thought of as separate uncoupled infrastructure systems. In reality, they may be viewed as a single system which may be called the energy-water nexus. In hot and arid climates, this nexus takes on a deeper meaning in terms of the economic dispatch of power, water and cogenerating desalination units. This paper represents a co-optimization framework for the economic dispatch of water and electric power. In particular, an optimization program is provided that minimizes total costs as a function of power and water generation subject to demand, capacity and process constraints. It is distinct from existing literature in that it focuses on the simultaneous optimal operation of all plants within the power and water delivery networks within a generalized mathematical formulation. The optimization was then demonstrated on a hypothetical system composed of four power plants, three cogenerators and one pure water plant. Interesting results were observed suggesting that the cogenerator minimum capacity limits and process constraints can lead to scenarios where cheaper single product plants can be crowded out of the dispatch. The program provides a systematic method of achieving optimal results and can serve as basis for set-points upon which individual plants can implement their optimal control.

    Original languageEnglish
    Title of host publication9th IET International Conference on Advances in Power System Control, Operation and Management, APSCOM 2012
    Edition616 CP
    DOIs
    StatePublished - 2012
    Event9th IET International Conference on Advances in Power System Control, Operation and Management, APSCOM 2012 - Hong Kong, China
    Duration: 18 Nov 201221 Nov 2012

    Publication series

    NameIET Conference Publications
    Number616 CP
    Volume2012

    Conference

    Conference9th IET International Conference on Advances in Power System Control, Operation and Management, APSCOM 2012
    Country/TerritoryChina
    CityHong Kong
    Period18/11/1221/11/12

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