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Optimal SSSC-based power damping inter-area oscillations using firefly and harmony search algorithms.
Amirreza Naderipour1,2,3, Zulkurnain Abdul-Malek4, Vigna K Ramachandaramurthy5
1Institute of Research and Development, Duy Tan University, Da Nang, 550000, Vietnam.
The static synchronous series compensator (SSSC) enhances power system stability by damping inter-area oscillations. Optimal controller parameters were found using firefly and harmony search algorithms, demonstrating high accuracy in simulations.
Area of Science:
- Electrical Engineering
- Power Systems
- Control Theory
Background:
- Inter-area oscillations are a significant challenge to power system small-signal stability.
- Static Synchronous Series Compensators (SSSC) offer a method to actively control transmission line reactance.
- Auxiliary signals can enable SSSC to actively damp power system oscillations.
Purpose of the Study:
- To investigate the impact of SSSC on power system small-signal stability.
- To design and evaluate a controller for damping inter-area oscillations using SSSC.
- To determine optimal SSSC control parameters using metaheuristic algorithms.
Main Methods:
- Small-signal stability analysis of power systems with SSSC.
- Design of a SSSC-based damping controller.
- Optimization of controller parameters using Firefly and Harmony Search algorithms.
- Time-domain simulations in MATLAB.
Main Results:
- The SSSC effectively contributes to damping inter-area oscillations.
- The proposed controller demonstrated optimal accuracy and precision in simulations.
- Firefly and Harmony Search algorithms successfully identified optimal SSSC parameters.
Conclusions:
- SSSC is an effective device for improving power system small-signal stability.
- The designed controller and optimized parameters significantly enhance oscillation damping.
- Metaheuristic algorithms provide a robust approach for SSSC parameter tuning.
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