Optimal Utilization of Microgrids Supplemented with Battery Energy Storage Systems in Grid Support Applications

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Abstract

This paper proposes a control scheme which minimizes the operating cost of a grid connected micro-grid supplemented by battery energy storage system (BESS). What distinguishes approach presented here from conventional strategies is that not only the price of electricity is considered in the formulation of the total operating cost but an additional item that takes into account inevitable battery degradation. The speed of degradation depends on battery technology and its mission profile and this effect demands for eventual replacement of the stack. Therefore it can be mapped in additional operating cost. By modeling battery degradation as a function of depth of discharge (DoD) and discharge rate and translating incremental loss of capacity in each cycle into associated cost, objective function has been defined and solved using GAMS. Simulation results are presented to verify the proposed approach.
Original languageEnglish
Title of host publicationProceedings of the 2015 IEEE First International Conference on DC Microgrids (ICDCM)
Number of pages5
PublisherIEEE Press
Publication date2015
Pages57 - 61
DOIs
Publication statusPublished - 2015
Event2015 IEEE First International Conference on DC Microgrids (ICDCM) - Atlanta, United States
Duration: 7 Jun 201510 Jun 2015

Conference

Conference2015 IEEE First International Conference on DC Microgrids (ICDCM)
CountryUnited States
CityAtlanta
Period07/06/201510/06/2015

Keywords

  • Battery energy storage system
  • Economic dispatch
  • DC micro-grid
  • Energy management

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  • Cite this

    Anvari-Moghaddam, A., Dragicevic, T., Vasquez, J. C., & Guerrero, J. M. (2015). Optimal Utilization of Microgrids Supplemented with Battery Energy Storage Systems in Grid Support Applications. In Proceedings of the 2015 IEEE First International Conference on DC Microgrids (ICDCM) (pp. 57 - 61). IEEE Press. https://doi.org/10.1109/ICDCM.2015.7152010