嵌入式混合储能系统的光伏微逆变器功率共享策略

2022 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM) Pub Date : 2022-06-22 DOI:10.1109/speedam53979.2022.9842149

L. Venegas, Javier A. Muñoz, Oscar Tapia

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引用次数: 0

摘要

在光伏系统中使用微型逆变器可以减轻由于模块之间的差异而产生的损耗。此外，由于光伏能源的间歇性，系统必须有储能系统。本文提出了一种基于反馈线性化控制技术和低通滤波器的分级控制策略，用于光伏微型逆变器和由电池和超级电容器组成的混合储能系统(HESS)的控制，提高了系统的能量密度和功率密度。这样可以实现动态的能量分布，充分利用HESS的物理化学特性。仿真结果验证了所提控制策略的适用性。

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Power Sharing Strategy for PV Microinverter with Embedded Hybrid Energy Storage System

The use of microinverters in photovoltaic systems mitigates the losses produced by the discrepancy between modules. In addition, due to the intermittent nature of photovoltaic energy, the system must have an energy storage system. In the following paper, a hierarchical control strategy based on the feedback linearization control technique and a low-pass filter is proposed for the control of both the PV microinverter and the Hybrid Energy Storage System (HESS) composed of battery and super capacitor, which increase the energy density and power density of the system. In this way, a dynamic energy distribution is achieved, taking full advantage of the physicochemical characteristics of the HESS. Simulated results are presented to validate the suitability of the proposed control strategy.

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来源期刊

2022 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM)

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