下一代电动汽车充电系统中增强电网性能的pv集成协调控制

IF 5.4 2区工程技术 Q1 ENGINEERING, MULTIDISCIPLINARY

Engineering Science and Technology-An International Journal-Jestech Pub Date : 2025-08-26 DOI:10.1016/j.jestch.2025.102176

Umashankar Subramaniam , S Saravanan , K.R.M Vijayachandrakala , Sivakumar Selvam

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引用次数: 0

摘要

本研究旨在为联合国可持续发展目标（SDG） 7做出贡献，该目标通过调查太阳能光伏系统（pv）与电动汽车充电基础设施在不断发展的电力网络中的潜力，促进可负担和清洁能源的发展，以实现互利共赢。目标是为pvs集成的电动汽车充电站制定协调控制策略，以确保与电网的无缝交互并提高电力质量。它着重于建模和协调控制，以实现稳定的网格集成。本文考虑了两种不同的电动汽车充电站。电站1采用传统的单向潮流模型，从三相电网的共耦合点（PCC）获取电力。第二个充电站利用基于pv的充电基础设施，通过三相逆变器连接到PCC。它促进了与配电网和充电站的电力交换，解决了基于pv的充电基础设施的可靠性问题。通过基于二阶广义积分（SOGI）的电压和负载电流处理回路实现对整个系统的协调控制。本研究确保所提出的基于双sogi的控制器保持统一的功率因数，将总谐波失真降低到3%以下，并通过确保电网与任何充电站之间的电力传输，消除了满足高电网电能质量的外部滤波器的需要。PVS系统减轻了谐波，满足了站1和本地负载的无功需求，避免了单独的滤波器和补偿器的需要。开发的控制算法在各种负载和光伏侧条件下的硬件样机上进行了测试，证明了有效的谐波缓解、无功补偿和电网电流平衡。在稳态和动态运行模式下进行的大量硬件分析证实，该系统将电压稳定性提高了20%以上，将网络损耗降低了25%以上，为下一代可持续电动汽车基础设施奠定了基础。

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PV-integrated coordinated control for enhanced grid performance in next-gen EV charging systems

This study aims to contribute to the United Nations’ Sustainable Development Goal (SDG) 7, which promotes affordable and clean energy by investigating the potential of solar photovoltaic systems (PVS) integration into EV charging infrastructure in evolving power networks for mutual benefits. The objective is to develop a coordinated control strategy for PVS-integrated EV charging stations that ensures seamless grid interaction with enhanced power quality. It focuses on modelling and coordinated control to achieve stable grid integration. Two distinct EV charging stations are considered in this work. Station 1 employs a conventional unidirectional power flow model, drawing power from the three-phase grid’s point of common coupling (PCC). The second station utilizes a PVS-based charging infrastructure connected to the PCC via a three-phase inverter. It facilitates power exchange with the distribution grid and charging stations, which addresses the reliability concerns of the PVS-based charging infrastructure. Coordinated control of the overall system is achieved through the dual Second-Order Generalized Integral (SOGI) based voltage and load current processing loops. This research ensures that the proposed dual SOGI-based controller maintains a unity power factor, reduces total harmonic distortion to below 3%, and eliminates the need for external filters meeting high grid power quality by ensuring power transfer between the grid and any charging stations. The PVS system mitigates harmonics and fulfills the reactive power demands of station 1 and local loads, obviating the necessity for separate filters and compensators. The developed control algorithm was tested on a hardware prototype under various loads and PV side conditions, demonstrating effective harmonics mitigation, reactive power compensation, and grid current balancing. The extensive hardware analysis conducted in steady state and dynamic operating modes confirms that the presented system improves voltage stability by over 20% and cuts network losses by more than 25%, establishing its effectiveness for next-generation sustainable EV infrastructure.

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来源期刊

Engineering Science and Technology-An International Journal-Jestech Materials Science-Electronic, Optical and Magnetic Materials

CiteScore

11.20

自引率

3.50%

发文量

153

审稿时长

22 days

期刊介绍： Engineering Science and Technology, an International Journal (JESTECH) (formerly Technology), a peer-reviewed quarterly engineering journal, publishes both theoretical and experimental high quality papers of permanent interest, not previously published in journals, in the field of engineering and applied science which aims to promote the theory and practice of technology and engineering. In addition to peer-reviewed original research papers, the Editorial Board welcomes original research reports, state-of-the-art reviews and communications in the broadly defined field of engineering science and technology. The scope of JESTECH includes a wide spectrum of subjects including: -Electrical/Electronics and Computer Engineering (Biomedical Engineering and Instrumentation; Coding, Cryptography, and Information Protection; Communications, Networks, Mobile Computing and Distributed Systems; Compilers and Operating Systems; Computer Architecture, Parallel Processing, and Dependability; Computer Vision and Robotics; Control Theory; Electromagnetic Waves, Microwave Techniques and Antennas; Embedded Systems; Integrated Circuits, VLSI Design, Testing, and CAD; Microelectromechanical Systems; Microelectronics, and Electronic Devices and Circuits; Power, Energy and Energy Conversion Systems; Signal, Image, and Speech Processing) -Mechanical and Civil Engineering (Automotive Technologies; Biomechanics; Construction Materials; Design and Manufacturing; Dynamics and Control; Energy Generation, Utilization, Conversion, and Storage; Fluid Mechanics and Hydraulics; Heat and Mass Transfer; Micro-Nano Sciences; Renewable and Sustainable Energy Technologies; Robotics and Mechatronics; Solid Mechanics and Structure; Thermal Sciences) -Metallurgical and Materials Engineering (Advanced Materials Science; Biomaterials; Ceramic and Inorgnanic Materials; Electronic-Magnetic Materials; Energy and Environment; Materials Characterizastion; Metallurgy; Polymers and Nanocomposites)