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Design of static synchronous series compensator based damping controller employing invasive weed optimization

Ashik Ahmed1, Rasheduzzaman Al-Amin2, Ruhul Amin3

  • 1EEE Department, Islamic University of Technology, Board Bazar, Bangladesh.

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Summary

This study introduces an Invasive Weed Optimization (IWO) technique for designing a Static Synchronous Series Compensator (SSSC) damping controller. The IWO-based controller enhances power system stability more effectively than Particle Swarm Optimization (PSO).

Keywords:
Integral of time absolute errorInvasive weed optimizationPower oscillation damping (POD)Single machine infinite bus power systemStatic synchronous series compensator

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Area of Science:

  • Electrical Engineering
  • Power Systems
  • Control Systems

Background:

  • Power system stability is crucial for reliable electricity supply.
  • Static Synchronous Series Compensators (SSSC) are used to improve transient stability.
  • Tuning SSSC damping controllers effectively is challenging.

Purpose of the Study:

  • To design and evaluate an Invasive Weed Optimization (IWO) based damping controller for SSSC.
  • To enhance the stability of a Single Machine Infinite Bus (SMIB) system.
  • To compare the performance of the IWO-based controller with a Particle Swarm Optimization (PSO) based controller.

Main Methods:

  • A conventional PI controller was utilized as the SSSC damping controller.
  • The Invasive Weed Optimization (IWO) technique was employed to tune the controller parameters.
  • Controller parameters were optimized using a time integral of absolute error cost function.
  • Time-domain simulations were conducted to assess system performance.

Main Results:

  • The IWO-based SSSC damping controller demonstrated superior performance in enhancing SMIB system stability.
  • The controller's effectiveness was validated under various loading conditions.
  • Performance was also evaluated under different fault scenarios, showing robustness.
  • IWO-based tuning outperformed PSO-based tuning.

Conclusions:

  • The proposed IWO technique is an effective method for designing SSSC damping controllers.
  • The developed controller significantly improves power system stability.
  • The IWO approach offers a robust and efficient alternative for controller parameter tuning.