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Study on the load following characteristics of a distributed IGCC for independent microgrid

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  • Obara, Shin'ya
  • Morel, Jorge
  • Okada, Masaki
  • Kobayashi, Kazuma

Abstract

The integrated coal gasification combined cycle (IGCC) is a highly efficient technology for the production of gas from coal with significantly reduced CO2 emissions. Interconnecting the independent microgrid of an IGCC and a renewable energy network promotes a higher utilization of the renewable energy source but depends on the IGCC's load-following characteristics. In this study, an IGCC numerical model is applied to evaluate the electricity response characteristics. In addition, the interconnection-independent microgrid frequency is investigated through numerical analysis. The dynamic characteristics of the IGCC system's required components such as an air separator and the coal gasification furnace are determined. Moreover, the relation between the electricity quality of the microgrid and the inertia constant of turbine power generators is clarified. When a proportional-integral-derivative controller is installed in the proposed IGCC system and the load-following operation is performed, the energy flow through the microgrid is stabilized even under large-scale photovoltaic power fluctuations.

Suggested Citation

  • Obara, Shin'ya & Morel, Jorge & Okada, Masaki & Kobayashi, Kazuma, 2016. "Study on the load following characteristics of a distributed IGCC for independent microgrid," Energy, Elsevier, vol. 115(P1), pages 13-25.
    • Handle: RePEc:eee:energy:v:115:y:2016:i:p1:p:13-25
    DOI: 10.1016/j.energy.2016.07.042
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    References listed on IDEAS

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    1. Lee, Jae Chul & Lee, Hyeon Hui & Joo, Yong Jin & Lee, Chang Ha & Oh, Min, 2014. "Process simulation and thermodynamic analysis of an IGCC (integrated gasification combined cycle) plant with an entrained coal gasifier," Energy, Elsevier, vol. 64(C), pages 58-68.
    2. Franco, Alessandro & Diaz, Ana R., 2009. "The future challenges for “clean coal technologies”: Joining efficiency increase and pollutant emission control," Energy, Elsevier, vol. 34(3), pages 348-354.
    3. Prabu, V. & Geeta, K., 2015. "CO2 enhanced in-situ oxy-coal gasification based carbon-neutral conventional power generating systems," Energy, Elsevier, vol. 84(C), pages 672-683.
    4. Masnadi, Mohammad S. & Grace, John R. & Bi, Xiaotao T. & Lim, C. Jim & Ellis, Naoko & Li, Yong Hua & Watkinson, A. Paul, 2015. "Single-fuel steam gasification of switchgrass and coal in a bubbling fluidized bed: A comprehensive parametric reference for co-gasification study," Energy, Elsevier, vol. 80(C), pages 133-147.
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    Cited by:

    1. Tsoutsanis, Elias & Meskin, Nader, 2017. "Derivative-driven window-based regression method for gas turbine performance prognostics," Energy, Elsevier, vol. 128(C), pages 302-311.

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