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http://dx.doi.org/10.5762/KAIS.2019.20.6.592

Transient Stability Enhancement of Power System by Using Energy Storage System  

Seo, Gyu-Seok (Dept. of Electrical Engineering, Koje College)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.20, no.6, 2019 , pp. 592-597 More about this Journal
Abstract
A conventional method to improve transient stability in power system is the use of reactive power compensation devices such as STATCOM and SVC. However, this traditional method cannot prevent a rapid voltage collapse brought on by motors stalling due to system fault. On the other hand, ESS(Energy Storage System) provides fast-acting, flexible reactive and active power control. The fast active power compensation with energy storage system plays a significant role in transient stability enhancement after a major fault of power system. In this paper, transient stability enhancement method by using energy storage system is proposed for the power system including a dynamic load such as large motor. The effectiveness of energy storage system compared to conventional devices in enhancing transient stability of power system is presented. The results of simulations show that the simultaneous injection of active and reactive power can enhance more effectively transient stability.
Keywords
Active Power; Energy Storage System; Reactive Power; STATCOM; SVC;
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