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Smart Grid 2022
智能微网中逆变器拓扑及控制策略综述
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Abstract:
随着光伏和电池储能系统等分布式能源在配电系统中的渗透，如何基于逆变器的控制策略来改善电能质量出现了新的挑战。本文从逆变器在智能微网中的角度出发，阐述了智能微网中逆变器基本原理及经典逆变器类型；分析了不同的逆变器拓扑结构并提炼和总结了它们不同的功能特点及存在的优缺点；探析影响到电能质量输出出现的问题及解决措施，并归纳出当前逆变器的不同控制策略。最后，对逆变器技术未来的研究方向进行了展望。
With the penetration of distributed energy, such as photovoltaic and battery energy storage systems in the distribution system, how to improve the power quality based on the control strategy of the inverter presents new challenges. In this paper, from the perspective of inverter in intelligent microgrid, the basic principle of inverter in the intelligent microgrid and the classic inverter types are described; Different inverter topologies are analyzed and their different functional characteristics and advantages and disadvantages are summarized; This paper analyzes the problems and solutions that affect the power quality output, and summarizes the different control strategies of the current inverter. Finally, the future research direction of inverter technology has prospected.
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