Integrated Application of STATCOM and SMES to Improve Power Swings Damping Based on Direct Lyapunov Method
Publish place: 22nd International Power System Conference
Publish Year: 1386
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
PSC22_022
تاریخ نمایه سازی: 15 اردیبهشت 1386
Abstract:
In this paper a comprehensive approach is presented to improve power swings damping based on direct Lyapunov method. The approach combines superconducting magnetic energy storage (SMES) system with static synchronous compensator (STATCOM). Considering the energy
absorption/injection ability of SMES, in transient states the combination exchanges both active and reactive powers with power system. Since direct Lyapunov method relies on time derivative of both active and reactive powers, it can offer an effective control strategy for the integrated STATCOMSMES system to decrease power swings damping time. Line current is proposed as synchronous reference frame for d-q transformation which satisfies the direct Lyapunov method application as optimized approach and also provides decentralized control strategy. Steady state control strategy with respect to proposed reference frame and also SMES existence is given. PSCAD/EMTDC simulation results for a typical multi-area system are presented.
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Authors
Ali Bidadfar
Electrical Engineering Department, Tafresh Univesity
Mehdi Karrari
Electrical Engineering Department, AmirKabir Univesity
Meshgin Kelk
Electrical Engineering Department, Tafresh Univesity
Mehrdad Abedi
Electrical Engineering Department, AmirKabir Univesity
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