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Corresponding Author

Elsedeek, M.

Subject Area

Electrical Engineering

Article Type

Original Study

Abstract

This paper presents a study for electrical power system stability during restoration operation utilizing Wide Area Measurement System (WAMS) by using Phasor Measurement Units (PMUs) to guarantee smooth power system operation. One of the major benefits of this research is to provide the operator with the critical decisions about generators loading steps at the restoration process ensuring power system stability. Generators and Loads models parameters are accurately estimated using WAMS data. Another important benefit is suggesting priority list of the most feasible tie lines that can be closed between different islands needed to be integrated during restoration depending on the unification of islands phase angle references using WAMS. The buildup restoration strategy is used to restore the Bulk Power System (BPS). Nowadays, the introduction of WAMS using PMUs facilitates the restoration process by allowing the operators to access the phase angle of all power system quantities synchronously. Dig SILENT software is used to study the stability during the early restoration stages. The New England 39-bus power system is used as a large-scale power system to demonstrate the proposed algorithm, verify the results and prove its capability in practical systems.

Keywords

Blackout; Power system restoration; Build Up strategy; Wide Area Measurement System (WAMS); Phasor Measurement Units (PMUs); Transient stability

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