Optimum Controller Design Using the Ant Lion Optimizer for PMSG Driven by Wind Energy
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ORIGINAL ARTICLE
Optimum Controller Design Using the Ant Lion Optimizer for PMSG Driven by Wind Energy Ahmed Lotfy Haridy1 · Al‑Attar Ali Mohamed Abdelbasset2 · Ashraf Mohamed Hemeida1 · Ziad Mohamed Ali Elhalwany2,3 Received: 21 February 2020 / Revised: 24 July 2020 / Accepted: 14 October 2020 © The Korean Institute of Electrical Engineers 2020
Abstract The wind energy characteristics at the site not only indicate the amount of energy obtained from wind energy, but it also depends on the control strategy implemented on the wind energy conversion system. This study proposes an application of Ant Lion Optimizer (ALO) for tuning the classical (PI) controller parameters for the permanent magnet synchronous generator driven by wind energy system, to such an extent that the most maximum power point tracking can be acknowledged along with an improved fault ride-through capability. The optimized PI-controller parameters based ALO improving the low voltage ride through (LVRT) performance and the maximum power point tracking. ALO is implemented to the classical PI-controller on the machine side converter system, and grid side converter, for maximum power extraction from PMSG and enhancing LVRT. Four cases were considered in this paper, to examine the feasibility of the proposed ALO-PI controller. The suggested cases are system running at normal condition, a step-change in wind speed, wind speed variation at normal grid condition, and three-phase fault. A significant improvement in the system dynamic performance when applying the ALO-PI controller is compared with classical PI-controller. Keywords PMSG · Ant lion optimizer · Wind energy conversion system · Optimization · PI-controller
1 Introduction In recent years, depletion of fossil fuel has increased substantially in recent decades, these conventional energy sources lead to global warming caused by having new technologies for renewable resources. Wind Farm is known as a kind of clean, inexhaustible, and sustainable energy source it considers the cheapest cost compare to other renewable energy sources [1, 2].
* Ahmed Lotfy Haridy [email protected] Ziad Mohamed Ali Elhalwany [email protected] 1
Department of Electrical Engineering, Faculty of Energy Engineering, Aswan University, Aswan 81528, Egypt
2
Department of Electrical Engineering, Faculty of Engineering, Aswan University, Aswan 81542, Egypt
3
Electrical Dept., College of Engineering at Wadi Addawasir, Prince Sattam Bin Abdulaziz University, Al‑Kharj, Kingdom of Saudi Arabia
It is an amazing fast expansion for Wind energy conversion system (WECS) so far, WECS contains various strategies of wind turbines employed, for induction generator operating with constant speed [3], doubly fed induction generator (DFIG) [4] and permanent magnet synchronous generator (PMSG) [5, 6]. Because of the many advantages of PMSG in recent years, it becomes one of the most attractive generation types. PMSGS have a simple structure, self-excitation, high power density, and low maintenance, improve ef
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