Photovoltaic System Dynamic Performance Improvement with Disturbance Rejection Based Controller Tuned Using the Equilibrium Optimizer Algorithm

IF 1.204 Q3 Energy
Nadir Fergani, Nadir Boutasseta, Ammar Neçaibia, Issam Attoui, Ahmed Bouraiou
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引用次数: 0

Abstract

This work investigates the issues found in the dynamic performance of the PV system associated with a cascade-controlled DC-DC converter in the current source region (CSR). The overall system time response in the CSR exhibits oscillatory behavior which has been found to be caused by the outer voltage control loop. Instead of a commonly used tracking controller, a novel disturbance rejection-based cascade controller is proposed in order to improve dynamic system performance and robustness. The proposed controller is composed of a sliding mode controller for the inner current control loop and a feedback linearization combined with the fractional order PID controller for the outer voltage control loop. The voltage controller is tuned using the Equilibrium Optimizer (EO) algorithm where a new performance index has been considered. Simulation results are given to demonstrate the higher performance of the proposed control strategy in different operating regions including the CSR region.

Abstract Image

用平衡优化算法调谐的基于抗扰控制器改善光伏系统动态性能
本工作研究了在电流源区(CSR)中与级联控制DC-DC转换器相关的光伏系统的动态性能中发现的问题。CSR中的整个系统时间响应表现出振荡行为,这已被发现是由外部电压控制回路引起的。为了提高动态系统的性能和鲁棒性,提出了一种新的基于扰动抑制的级联控制器来代替常用的跟踪控制器。所提出的控制器由用于内部电流控制回路的滑模控制器和用于外部电压控制回路的与分数阶PID控制器相结合的反馈线性化控制器组成。电压控制器使用均衡优化器(EO)算法进行调谐,其中考虑了新的性能指标。仿真结果表明,在包括CSR区域在内的不同操作区域,所提出的控制策略具有更高的性能。
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来源期刊
Applied Solar Energy
Applied Solar Energy Energy-Renewable Energy, Sustainability and the Environment
CiteScore
2.50
自引率
0.00%
发文量
0
期刊介绍: Applied Solar Energy  is an international peer reviewed journal covers various topics of research and development studies on solar energy conversion and use: photovoltaics, thermophotovoltaics, water heaters, passive solar heating systems, drying of agricultural production, water desalination, solar radiation condensers, operation of Big Solar Oven, combined use of solar energy and traditional energy sources, new semiconductors for solar cells and thermophotovoltaic system photocells, engines for autonomous solar stations.
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