Comparative analysis of metaheuristic algorithms-based control for enhancing low voltage ride through in grid-connected photovoltaic systems

IF 6 2区工程技术 Q1 ENGINEERING, MULTIDISCIPLINARY

Ain Shams Engineering Journal Pub Date : 2025-05-09 DOI:10.1016/j.asej.2025.103423

Yasmin GH. Mousa , Tarek S. Abdelsalam , Hany M. Hasanien , Zia Ullah , Abdulaziz Alkuhayli , Mohamed Mokhtar

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Abstract

This paper aims to investigate the improvement of the low voltage ride-through (LVRT) in grid-connected photovoltaic (PV) systems by applying the Gold Rush Optimization (GRO) algorithm to design system PI controllers. This paper overviews the significance of LVRT in PV systems, emphasizing its importance for grid stability and regulatory compliance under symmetrical and asymmetrical faults. The results are compared with Particle Swarm Optimization (PSO) and Whale Optimization Algorithm (WOA) based on overshoot, settling time, and steady-state error. In the 3L-G fault, DC-link voltage V_dc, GRO outperforms the other algorithms, achieving a reduction of 4.75% in overshoot compared to PSO and a 2.85% improvement over WOA. Additionally, GRO achieves the fastest settling time, a 2.75% reduction compared to PSO and WOA. In terms of accuracy, GRO demonstrates the lowest percentage error. These findings confirm that (GRO) is an effective optimization approach for improving grid stability, reducing power fluctuations, and enhancing low-voltage ride-through capability in PV systems.

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基于元启发式算法的并网光伏系统低压穿越控制的比较分析

本文旨在利用淘金热优化（GRO）算法设计系统PI控制器，研究并网光伏（PV）系统低压过流（LVRT）的改善问题。本文概述了LVRT在光伏系统中的意义，强调了其在对称和非对称故障下对电网稳定性和监管合规的重要性。将结果与粒子群优化算法（PSO）和鲸鱼优化算法（WOA）进行了超调量、稳定时间和稳态误差的比较。在3L-G故障中，直流链路电压Vdc， GRO优于其他算法，与PSO相比，超调量减少了4.75%，比WOA提高了2.85%。此外，GRO实现了最快的沉降时间，与PSO和WOA相比减少了2.75%。在准确性方面，GRO的错误率最低。这些发现证实（GRO）是提高电网稳定性、减少功率波动和增强光伏系统低压穿越能力的有效优化方法。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Ain Shams Engineering Journal Engineering-General Engineering

CiteScore

10.80

自引率

13.30%

发文量

441

审稿时长

49 weeks

期刊介绍： in Shams Engineering Journal is an international journal devoted to publication of peer reviewed original high-quality research papers and review papers in both traditional topics and those of emerging science and technology. Areas of both theoretical and fundamental interest as well as those concerning industrial applications, emerging instrumental techniques and those which have some practical application to an aspect of human endeavor, such as the preservation of the environment, health, waste disposal are welcome. The overall focus is on original and rigorous scientific research results which have generic significance. Ain Shams Engineering Journal focuses upon aspects of mechanical engineering, electrical engineering, civil engineering, chemical engineering, petroleum engineering, environmental engineering, architectural and urban planning engineering. Papers in which knowledge from other disciplines is integrated with engineering are especially welcome like nanotechnology, material sciences, and computational methods as well as applied basic sciences: engineering mathematics, physics and chemistry.