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Subject Keyword Abstract Author
Sliding Mode Based Nonlinear Load Frequency Control for Interconnected Coupling Power Network

Gafary Mahmoud, Yong Chen*, Longjie Zhang, and Meng Li
International Journal of Control, Automation, and Systems, vol. 20, no. 11, pp.3731-3739, 2022

Abstract : This paper investigates the nonlinear load frequency control (NLFC) issue in the interconnected coupling power network (ICPN), which includes a wind turbine, photovoltaic (PV), and second-order turbine governor systems. The main target of proposed scheme is to zero out the frequency deviations and preserve the consumption of batteries energy at the desired standards for the ICPN, which is divided into control areas, where each area is defined by an equivalent generation subsystem. Firstly, a super twisting sliding mode control (STWSMC) is designed for the secondary control area to make the state converge quickly. Secondly, to make sure the stability of the system states, the proportional integral (PI) technique is used for the initial phase control. Furthermore, the stability analysis shows that the asymptotic convergence can be recognized by pressuring the state of the power system on an appropriately designed sliding surface. Finally, the simulation results confirm the effectiveness of the proposed methodology.

Keyword : Distributed grid system, nonlinear load frequency control, sliding mode control.

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