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Energies 2017, 10(12), 2130; doi:10.3390/en10122130

Wide Area Coordinated Control of Multi-FACTS Devices to Damp Power System Oscillations

China Electric Power Research Institute, Beijing 100192, China
Nonlinear Analysis and Applied Mathematics (NAAM) Research Group, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
College of Engineering, Peking University of China, Beijing 100871, China
Key Laboratory of Knowledge Automation for Industrial Processes of Ministry of Education, School of Automation and Electrical Engineering, University of Science and Technology Beijing, Beijing 100083, China
Department of Mathematics, Quaid-i-Azam University, 45320 Islamabad, Pakistan
Authors to whom correspondence should be addressed.
Received: 3 November 2017 / Revised: 30 November 2017 / Accepted: 5 December 2017 / Published: 14 December 2017
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Aiming at damping the inter-area oscillations of power systems, the present study proposes a wide-area decentralized coordinated control framework, where the upper-level controller is designed to coordinate the lower-level multiple FACTS devices. Based on the polytopic differential inclusion method, the derived controller adopts a decentralized structure and it is guaranteed to be robust to meet the demand of operation under multiple operating conditions. Since time delay of wide area signal transmission is inevitable, in what follows, the quantum evolution algorithm (QEA) method is introduced to find an optimal solution of the time-delay coordinated controller. In this regard, the stability of the system with a prescribed time delay is guaranteed and the system damping ratio is increased. Effectiveness and applicability of the proposed controller design methods have been demonstrated through numerical simulations. View Full-Text
Keywords: wide-area measurement system; FACTS devices; coordinated control; time delay; damping controllers; robustness wide-area measurement system; FACTS devices; coordinated control; time delay; damping controllers; robustness

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Xu, S.; Yang, Y.; Peng, K.; Li, L.; Hayat, T.; Alsaedi, A. Wide Area Coordinated Control of Multi-FACTS Devices to Damp Power System Oscillations. Energies 2017, 10, 2130.

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