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Journal of the Korean Institute of Illuminating and Electrical Installation Engineers

ISO Journal TitleJ Korean Inst. IIIum. Electr. Install. Eng.
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Title Power System Stability Analysis Using a Hybrid Approach
Authors Gyu-Seok Seo ; Jee-Ho Park
DOI http://dx.doi.org/10.5207/JIEIE.2010.24.10.021
Page pp.21-25
ISSN 1225-1135
Keywords Power System Stability ; Hybrid Method ; Time Domain Simulation Technique ; Direct Method of Transient Stability
Abstract This paper explains hybrid method that combines Time domain simulation technique with the direct method of Transient stability analysis. First, it calculate trajectory of real system by Time domain Simulation using OOP(Object Oriented Programming method) and evaluate Transient Energy Function to induce stability index to calculate Transient stability margin. Once the status of system(stable or unstable) has been identified, proper criteria are proposed to stop time-domain simulation to reduce CPU time.