alexa Abstract | Effect of Wind Energy Participation in AGC of Interconnected Multisource Power Systems
ISSN: 2332-0796

Journal of Electrical & Electronic Systems
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Research Article Open Access

Abstract

This paper presents the investigations on the effect of wind energy system’s participation on dynamic stability margins available on AGC of interconnected power system. A two area power system model interconnected via EHVAC tie-line is considered for the study. Each of the areas is consisting of hybrid sources of power generation like; hydro, thermal, gas and wind power plants. Various participation factors for electrical energy received from wind power plants, along with the energy from thermal, gas and hydro plants, are considered for the investigations. Moreover, any reduction of generation from thermal power plant is supposed to be supplied by wind power plant for fuel saving and to reduce emissions to environment. The optimal AGC regulators are designed using full state vector feedback control theory. Following the achievement of optimal gains of AGC regulators, the system closed-loop system eigenvalues are obtained for various case studies. The investigations of the closed loop eigenvalues carried out reveal that all the closed-loop eigenvalues are lying in the negative half of s-plan for all case studies and thus ensure the closed-loop system stability. Also, closed-loop eigenvalues are found to be sensitive to reduction in thermal generation and subsequent increase in electrical energy from wind power plants. It is also observed that the computed complex eigenvalues have shown a considerable decrease in the magnitude of its imaginary part when reduction of thermal generation is met by wind power generation. The reduced magnitudes of imaginary parts of closed-loop eigenvalues result in cost effective controller realization and improvement in system stability. On the other hand, the replacing the deficit caused in the supply with wind energy has no undesirable emissions to environment.

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Author(s): Ibraheem Nasiruddin and Saab B Altamimi*

Keywords

Electrical energy, Automatic generation control, Wind energy, Solar energy, Eigenvalues , Electrical energy, Automatic generation control, Wind energy, Solar energy, Nonconventional sources

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