带电动汽车充电站的交直流混合微电网互联变流器防绕组控制策略

IF 3.3 3区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

Electric Power Systems Research Pub Date : 2025-05-09 DOI:10.1016/j.epsr.2025.111800

Mojtaba Eldoromi, Ali Akbar Moti Birjandi, Nima Mahdian Dehkordi

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引用次数: 0

摘要

本文提出了一种基于抗风力的混合微电网控制策略，以提高混合微电网与电动汽车充电站的稳定性。现有的研究往往忽略了双向潮流和电动汽车充电负荷的动态性对系统稳定性的复合影响。提出的策略侧重于互连转换器（ILC），并采用反绕组（AW）机制与比例积分（PI）控制相结合，以解决双向潮流、可变负载需求和低直流链路电压波动引起的稳定性问题。为了微调AW和PI增益，采用了粒子群优化（PSO）算法，确保鲁棒控制性能，有效响应电动汽车充电器输入的波动功率。与现有方法相比，该方法稳定了交直流子电网之间的功率共享，减小了电压波动，增强了瞬态响应，并使电网电流总谐波失真（THD）最小化。仿真结果验证了该控制策略的有效性，突出了其在动态条件和不同运行场景下保持微网稳定的能力。研究结果证实了自动动力控制的可行性，为现代电网弹性能量分配提供了可靠的解决方案。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Anti-windup control strategy for interlinking converters in hybrid AC/DC microgrids with EV charging stations

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Anti-windup control strategy for interlinking converters in hybrid AC/DC microgrids with EV charging stations

This paper presents an anti-windup-based control strategy to enhance stability in hybrid AC/DC microgrids (HMGs) integrated with electric vehicle (EV) charging stations. Existing studies have often overlooked the compounded effects of bidirectional power flows and the dynamic nature of EV charging loads on system stability. The proposed strategy focuses on the interlinking converter (ILC) and employs an anti-windup (AW) mechanism combined with proportional-integral (PI) control to address stability issues caused by bidirectional power flows, variable load demands, and low DC-link voltage fluctuations. To fine-tune the AW and PI gains, a particle swarm optimization (PSO) algorithm is used, ensuring robust control performance that responds effectively to fluctuating power inputs from EV chargers. Compared to existing methods, this approach stabilizes power sharing between AC and DC sub-grids, reduces voltage fluctuations, enhances transient response, and minimizes grid current total harmonic distortion (THD). Simulation results validate the effectiveness of the control strategy, highlighting its capability to maintain microgrid (MG) stability under dynamic conditions and varied operating scenarios. The study affirms the feasibility of AW control for HMGs, offering a reliable solution for resilient energy distribution in modern electrical grids.

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来源期刊

Electric Power Systems Research 工程技术-工程：电子与电气

CiteScore

7.50

自引率

17.90%

发文量

963

审稿时长

3.8 months

期刊介绍： Electric Power Systems Research is an international medium for the publication of original papers concerned with the generation, transmission, distribution and utilization of electrical energy. The journal aims at presenting important results of work in this field, whether in the form of applied research, development of new procedures or components, orginal application of existing knowledge or new designapproaches. The scope of Electric Power Systems Research is broad, encompassing all aspects of electric power systems. The following list of topics is not intended to be exhaustive, but rather to indicate topics that fall within the journal purview. • Generation techniques ranging from advances in conventional electromechanical methods, through nuclear power generation, to renewable energy generation. • Transmission, spanning the broad area from UHV (ac and dc) to network operation and protection, line routing and design. • Substation work: equipment design, protection and control systems. • Distribution techniques, equipment development, and smart grids. • The utilization area from energy efficiency to distributed load levelling techniques. • Systems studies including control techniques, planning, optimization methods, stability, security assessment and insulation coordination.