A robust dual interval type-2 fuzzy lead-lag based UPFC for stability enhancement using Harris Hawks Optimization
Shiba R Paital1, Prakash K Ray1, Soumya R Mohanty2
1Department of Electrical Engineering, CET Bhubaneswar, Bhubaneswar, India.
ISA Transactions
|June 13, 2021
Summary
A novel Harris Hawks Optimization (HHO) tuned fuzzy controller enhances power system stability by minimizing oscillations. This advanced unified power flow controller (UPFC) improves system performance across various conditions.
Area of Science:
- Electrical Engineering
- Control Systems
- Computational Intelligence
Background:
- Power systems face oscillations impacting stability.
- Unified Power Flow Controllers (UPFC) are crucial for grid management.
- Advanced control strategies are needed for robust performance.
Purpose of the Study:
- To propose a Harris Hawks Optimization (HHO) tuned dual interval type-2 fuzzy lead-lag (Dual-IT2FLL) controller for a UPFC.
- To minimize oscillations in single and multimachine power systems.
- To enhance power system stability using a novel damping controller.
Main Methods:
- Designing a Dual-IT2FLL controller tuned by HHO.
- Coordinating UPFC converters' modulation index and phase angle.
- Utilizing speed deviation as a remote input signal for stability.
- Conducting nonlinear time and frequency domain simulations.
- Validating performance using OPAL-RT OP5600 hardware.
Main Results:
- The proposed HHO-tuned Dual-IT2FLL UPFC effectively minimizes power system oscillations.
- Simulations demonstrate improved stability under various operating conditions.
- Performance indices show superior damping compared to other controllers.
Conclusions:
- The HHO-tuned Dual-IT2FLL UPFC offers a robust solution for power system oscillation damping.
- The controller's effectiveness is validated through comprehensive simulations and hardware testing.
- This approach significantly enhances power system stability and performance.
Keywords:
Dual interval type-2 fuzzy lead–lag (Dual-IT2FLL)Harris Hawks Optimization (HHO)Low frequency oscillations (LFOs)Multimachine power system (MMPS)Power system stabilitySingle machine infinite bus (SMIB)Unified power flow controller (UPFC)More Related Videos
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