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Conference Papers Year : 2013

An Advanced LMI-Based-LQR Design for Load Frequency Control of an Autonomous Hybrid Generation System

Abstract

This paper proposes a load frequency control scheme for an autonomous hybrid generation system consisting of wind turbine generator (WTG), diesel engine generator (DEG), fuel cell (FC), aquaelectrolyzer (AE) and battery energy storage system (BESS). In wind power generation systems, operating conditions are changing continually due to wind speed and load changes, having an effect on system frequency. Therefore, a robust controller is required for load frequency control. The control scheme is based on Linear Matrix Inequality (LMI)-Linear Quadratic Regulator (LQR). The control optimization problem is obtained in terms of a system of LMI constraints and matrix equations that are simultaneously solved. The proposed load frequency control scheme with the advanced LMI-based-LQR (ALQR) design is applied for the autonomous hybrid generation system. The effectiveness and robustness of the proposed controller is demonstrated for different load and wind power perturbations. The results suggest superior performance of the proposed ALQR controller against an optimal output state feedback controller. The integrated control could be realized though the web by applying Internet of Things technologies within the future smart grid.
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hal-01348775 , version 1 (25-07-2016)

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S. K. Pandey, S. R. Mohanty, N. Kishor, J. S. Catalão. An Advanced LMI-Based-LQR Design for Load Frequency Control of an Autonomous Hybrid Generation System. 4th Doctoral Conference on Computing, Electrical and Industrial Systems (DoCEIS), Apr 2013, Costa de Caparica, Portugal. pp.371-381, ⟨10.1007/978-3-642-37291-9_40⟩. ⟨hal-01348775⟩
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