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    Hamiltonian analysis of a hydro-energy generation system in the transient of sudden load increasing

    Access Status
    Fulltext not available
    Authors
    Li, H.
    Chen, D.
    Zhang, H.
    Wu, Changzhi
    Wang, X.
    Date
    2017
    Type
    Journal Article
    
    Metadata
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    Citation
    Li, H. and Chen, D. and Zhang, H. and Wu, C. and Wang, X. 2017. Hamiltonian analysis of a hydro-energy generation system in the transient of sudden load increasing. Applied Energy. 185: pp. 244-253.
    Source Title
    Applied Energy
    DOI
    10.1016/j.apenergy.2016.10.080
    ISSN
    0306-2619
    School
    Department of Construction Management
    URI
    http://hdl.handle.net/20.500.11937/50869
    Collection
    • Curtin Research Publications
    Abstract

    © 2016 Elsevier LtdThis paper addresses the Hamiltonian mathematical modeling and dynamic analysis of a hydro-energy generation system in the transient of sudden load increasing. First, six dynamic transfer coefficients of the hydro-turbine for the transient of sudden load increasing are innovatively introduced into the hydro-energy generation system. Considering the elastic water-hammer model of the penstock and third-order model of the generator, we established a dynamic mathematical model of the hydro-energy generation system in the transient of sudden load increasing. Moreover, from the point of view of the transmission and dissipation of energy of the system, we propose the hydro-energy generation system into the theory frame of the generalized Hamiltonian system. A novel Hamiltonian model of the hydro-energy generation system is established utilizing the method of orthogonal decomposition. Finally, based on the data of a real hydropower plant, numerical simulations and physical experiment are carried out, and the results indicates that the Hamiltonian system can reflect the essence of the nonlinearity of the hydro-energy generation system in the transient of sudden load increasing. More importantly, these methods and results will supply theoretical basis for designing and running a hydropower plant.

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