Modeling A Micro-Nexus of Water and Energy for Smart Villages/Cities/Buildings

This paper introduces a micro-nexus of water and energy which can be considered as one of the physical infrastructures of the future building/city/village systems. For the electricity side, an alternating current (AC) power flow model integrated with battery energy storage and renewable generation i...

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Bibliographic Details
Published inarXiv.org
Main Authors Li, Qifeng, Yu, Suhyoun, Al-Sumaiti, Ameena, Turitsyn, Konstantin
Format Paper
LanguageEnglish
Published Ithaca Cornell University Library, arXiv.org 09.11.2017
Subjects
Alternating current
Computer simulation
Distribution management
Energy storage
Nonlinear programming
Optimization
Power flow
Rechargeable batteries
Water distribution
Water engineering
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Summary:This paper introduces a micro-nexus of water and energy which can be considered as one of the physical infrastructures of the future building/city/village systems. For the electricity side, an alternating current (AC) power flow model integrated with battery energy storage and renewable generation is adopted. The nonlinear hydraulic characteristics in pipe networks is also considered in the proposed micro water-energy nexus (WEN) model. Integer variables are involved to represent the on/off state of pumps. Base on the proposed nexus model, a co-optimization framework of water and energy networks is developed. The overall co-optimization model is a mixed-integer nonlinear programming problem which is tested on a waterenergy nexus which consists of the IEEE 13-bus distribution system and a 8-node water distribution network. The simulation results demonstrate that the cost-efficiency of the co-optimization framework is higher than optimizing two systems independently.
ISSN:2331-8422