An Input-to-State Stability-Based Load Restoration Approach for Isolated Power Systems

Boyu Qin, Haixiang Gao, Jin Ma, Wei Li and Albert Y. Zomaya
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Boyu Qin: State Key Laboratory of Electrical Insulation and Power Equipment, School of Electrical Engineering, Xi’an Jiaotong University, Xi’an 710049, China
Haixiang Gao: Electric Power Dispatching and Control Center of Guangdong Power Grid Co., Ltd., Guangzhou 510600, China
Jin Ma: The School of Electrical & Information Engineering, University of Sydney, Sydney, NSW 2006, Australia
Wei Li: Centre for Distributed and High Performance Computing, School of Information Technologies, The University of Sydney, Sydney, NSW 2006, Australia
Albert Y. Zomaya: Centre for Distributed and High Performance Computing, School of Information Technologies, The University of Sydney, Sydney, NSW 2006, Australia

Energies, 2018, vol. 11, issue 3, 1-17

Abstract: An isolated power system (IPS) is usually operated under a bad environment and is influenced by external disturbances. Advanced load restoration technology is an important way to enhance the survivability and reliability of IPS. This paper proposes a fast load restoration approach based on Input-to-State Stability (ISS) theory for IPS. The method can recover load after an outage happens in an IPS under severe perturbations. In the proposed restoration approach, both stability and security constraints are considered based on the ISS theory, which can guarantee the stable and secure operation of IPS during the restoration dynamic process. These constraints have good adaptability for topology transformation and operation status transition of IPS. A heuristic approach to efficiently solve the load restoration problem is proposed, where bisection search is used to check the feasibility of the loads to be restored. Case studies on a typical IPS are used to verify the proposed method.

Keywords: isolated power systems; input-to-state stability theory; small gain condition; stability criterion; load restoration (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2018
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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