Harris Hawks Optimization-Based Algorithm for STATCOM Voltage Regulation of Offshore Wind Farm Grid

• Main Authors: Chang, G.W (Author), Cheng, H.-C (Author), Huang, B.-X (Author), Lin, J.-T (Author), Liu, Y.-J (Author), Wang, P.-K (Author), Wang, Z.-W (Author)
• Format: Article
• Language: English
• Published: MDPI 2022
• Subjects: Bus voltage; Controllers; Electric current regulators; Electric energies; Electric power; Electric power system interconnection; Electric utilities; Offshore oil well production; Offshore wind farms; Optimisations; Optimization algorithms; Optimization-based algorithm; Proportional and integral controllers; Reactive power; reactive power compensation; STATCOM; Static synchronous compensators; Swarm intelligence; swarm intelligence-based optimization algorithm; Swarm intelligence-based optimization algorithm; voltage fluctuation; Voltage fluctuations; Voltage regulators; Voltage regulator's
• Online Access: View Fulltext in Publisher
• ISBN: 19961073 (ISSN)
• DOI: 10.3390/en15093003

Wind energy is among the fastest-growing electric energy resources worldwide. As the electric power generated by wind turbines (WTs) varies, the WT-connected bus voltage fluctuates. This paper presents a study on implementing a swarm-based proportional and integral (PI) controller for GTO-STATCOM voltage regulator to mitigate the voltage fluctuation caused by the output variations of an offshore wind farm. The proposed swarm-based algorithm for the PI controller is Harris Hawks Optimization (HHO). Simulation results obtained by the HHO algorithm are compared with three other swarm-based algorithms and show that STATCOM with HHO-based PI controller can effectively regulate the WT-connected bus voltage under different wind power output conditions. It shows that the STATCOM compensation performance of the proposed algorithm is superior to that of the compared solutions in maintaining the stable WT-connected bus voltage. © 2022 by the authors. Licensee MDPI, Basel, Switzerland.