A Power Control Strategy and Supporting Capability Analysis for a Hybrid Power Supply System Composed of Open-Winding WFSG and ESS

IF 4.2 2区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC IEEE Transactions on Industry Applications Pub Date : 2024-10-02 DOI:10.1109/TIA.2024.3472652

Zhihao Ma;Dan Sun;Heng Nian

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Abstract

With the increasing penetration of renewable energy, the inertia of grid is gradually decreasing, and transient support capability is seriously insufficient. To improve the inertia and transient support capability of microgrid, a hybrid power supply system composed of an open-winding wound field synchronous generator (OW-WFSG) and an energy storage system (ESS) is proposed. By analyzing the power flow of the system, a synchronous control strategy based on rotor position tracking is proposed to realize the decoupling and control of power. Meanwhile, the analysis of active power support mechanism shows that the ESS with the proposed control strategy has the characteristics of synchronous generator, which achieves further improvement of the grid inertia and frequency support capability. Moreover, to improve the voltage support capability under power grid voltage fault, a winding closure and overexcitation control is proposed, which not only utilizes the high overload capability of OW-WFSG, but also avoids overcurrent damage to the converter. Experimental results verify the effectiveness of the proposed control strategy.

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来源期刊

IEEE Transactions on Industry Applications 工程技术-工程：电子与电气

CiteScore

9.90

自引率

9.10%

发文量

747

审稿时长

3.3 months

期刊介绍： The scope of the IEEE Transactions on Industry Applications includes all scope items of the IEEE Industry Applications Society, that is, the advancement of the theory and practice of electrical and electronic engineering in the development, design, manufacture, and application of electrical systems, apparatus, devices, and controls to the processes and equipment of industry and commerce; the promotion of safe, reliable, and economic installations; industry leadership in energy conservation and environmental, health, and safety issues; the creation of voluntary engineering standards and recommended practices; and the professional development of its membership.

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