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Dynamics and control of isolated wind‐diesel power systems
Author(s) -
Bhatti T. S.,
AlAdemi A. A. F.,
Bansal N. K.
Publication year - 1995
Publication title -
international journal of energy research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.808
H-Index - 95
eISSN - 1099-114X
pISSN - 0363-907X
DOI - 10.1002/er.4440190810
Subject(s) - control theory (sociology) , diesel fuel , controller (irrigation) , electric power system , wind power , swing , lyapunov function , wind speed , stability (learning theory) , diesel engine , engineering , power (physics) , automotive engineering , computer science , control (management) , nonlinear system , physics , meteorology , mechanical engineering , agronomy , electrical engineering , quantum mechanics , artificial intelligence , machine learning , biology
Abstract In this paper a comparative dynamic stability study has been carried out for wind‐diesel systems with multiplicity of generation. The mathematical model considered for dynamic stability evaluation is based on small signal analysis. The Lyapunov technique is used to evaluate the optimum setting of gain parameters and comparison is made with the values given in the literature. Additionally the diesel unit equipped with a supplementary proportional integral controller is also considered and its effect on the dynamic stability of the system is investigated. It is shown that the wind‐diesel system with multiple wind generation has the minimum first swing of oscillations and also higher damping of subsequent swings for disturbances due to load or due to variations in input wind power. Finally, the dynamic responses of the different power systems considered with optimal gain setting are also presented.