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Dynamic Safety Assessment in Nonlinear Hydropower Generation Systems

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  • Shuang Li
  • Yong Yang
  • Qing Xia

Abstract

This paper focuses on the stability problems in a hydropower station. To enable this study, we consider a nonlinear hydropower generation system for the load rejection transient process based on an existing hydropower station. Herein we identify four critical variables of the generation system. Then, we carry out the dynamic safety assessment based on the Fisher discriminant method. The dynamic safety level of the system is determined, and the evolution behavior in the transient process is also performed. The result demonstrates that the hydropower generation system in this study case can operate safely, which is in a good agreement with the corresponding theory and actual engineering. Thus, the framework of dynamic safety assessment aiming at transient processes will not only provide the guidance for safe operation, but also supply the design standard for hydropower stations.

Suggested Citation

  • Shuang Li & Yong Yang & Qing Xia, 2018. "Dynamic Safety Assessment in Nonlinear Hydropower Generation Systems," Complexity, Hindawi, vol. 2018, pages 1-8, April.
    • Handle: RePEc:hin:complx:5369253
    DOI: 10.1155/2018/5369253
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    References listed on IDEAS

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    1. Andreas Schumann, 2017. "Flood Safety versus Remaining Risks - Options and Limitations of Probabilistic Concepts in Flood Management," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 31(10), pages 3131-3145, August.
    2. Dellinger, Nicolas & François, Pierre & Lefebure, David & Mose, Robert & Garambois, Pierre-Andre, 2018. "An experiment of a hydropower conversion system based on vortex-induced vibrations in a confined channel," Renewable Energy, Elsevier, vol. 115(C), pages 54-63.
    3. Kishor, Nand & Saini, R.P. & Singh, S.P., 2007. "A review on hydropower plant models and control," Renewable and Sustainable Energy Reviews, Elsevier, vol. 11(5), pages 776-796, June.
    4. Li, Huanhuan & Chen, Diyi & Zhang, Hao & Wu, Changzhi & Wang, Xiangyu, 2017. "Hamiltonian analysis of a hydro-energy generation system in the transient of sudden load increasing," Applied Energy, Elsevier, vol. 185(P1), pages 244-253.
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    Cited by:

    1. O. A. Rosas-Jaimes & G. A. Munoz-Hernandez & G. Mino-Aguilar & J. Castaneda-Camacho & C. A. Gracios-Marin, 2019. "Evaluating Fractional PID Control in a Nonlinear MIMO Model of a Hydroelectric Power Station," Complexity, Hindawi, vol. 2019, pages 1-15, January.

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