一种用于孤岛模式下级联光伏-电网系统的改进型 ω-ϕ 降压控制方法

IF 8.6 1区工程技术 Q1 ENERGY & FUELS

IEEE Transactions on Sustainable Energy Pub Date : 2024-06-20 DOI:10.1109/TSTE.2024.3415733

Junlan Ou;Hua Han;Guangze Shi;Yajuan Guan;Abderezak Lashab;Josep M. Guerrero

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An Improved ω-ϕ Droop Control for Cascaded PV-ES System in Islanded Mode

The cascaded H-bridge structure has raised more and more attention in the field of photovoltaic (PV) power generation. This paper presents an improved ω-ϕ droop control method for the islanded cascaded photovoltaic-energy storage (PVES) system. The PV units mainly focus on outputting active power with unity power factor characteristic while the ES unit is responsible for the total output voltage regulation, frequency restoration, and power fluctuation suppression. With the proposed method, the string voltage can be regulated by the ES unit. Further, both the frequency synchronization with no steady state error and the cooperation between ES and PVs are realized automatically with only ES control requires PCC information. Therefore, the communication dependence is reduced which improves the system reliability. In addition, stability analysis and simulation results are provided to verify the effectiveness of the proposed controller.

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来源期刊

IEEE Transactions on Sustainable Energy ENERGY & FUELS-ENGINEERING, ELECTRICAL & ELECTRONIC

CiteScore

21.40

自引率

5.70%

发文量

215

审稿时长

5 months

期刊介绍： The IEEE Transactions on Sustainable Energy serves as a pivotal platform for sharing groundbreaking research findings on sustainable energy systems, with a focus on their seamless integration into power transmission and/or distribution grids. The journal showcases original research spanning the design, implementation, grid-integration, and control of sustainable energy technologies and systems. Additionally, the Transactions warmly welcomes manuscripts addressing the design, implementation, and evaluation of power systems influenced by sustainable energy systems and devices.