支持直流微电网的光伏混合储能系统

2019 IEEE 1st International Conference on Energy, Systems and Information Processing (ICESIP) Pub Date : 2019-07-01 DOI:10.1109/icesip46348.2019.8938295

J. Kumar, Anshul Agarwal, Nitin Singh

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引用次数: 0

摘要

近几十年来，直流微电网一直是一个重点研究领域。大多数可再生能源本质上是间歇性的。系统的电源管理对于保证可再生能源的高利用率和MG的稳定运行至关重要。本文提出了一种孤岛式DCMG，其中PV通过单向升压变换器与直流母线连接，其占空比由P&O MPPT算法控制。它的功率被馈送到一个可变的直流负载。混合储能系统(HESS)(器件包括电池和超级电容器(SC))采用有源拓扑支持直流母线电压。存储设备通过双向升压转换器与直流母线连接。基于MATLAB/Simulink建立了包含光伏阵列、电池、SC和三级可变直流负载的直流微电网模型。本文给出了实验结果并进行了讨论。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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PV fed Hybrid Energy Storage System Supported DC Microgrid

DC Microgrid has been a key research area from the last few decades. Most of the renewable energy sources are intermittent in nature. Power management for the system is essential to guarantee high utilization of renewable sources and stable operation of MG. This paper presents an Islanded DCMG in which PV connects with the DC bus through the unidirectional boost converter and its duty cycle is controlled by the P&O MPPT algorithm. Its power is fed to a variable DC load. DC bus voltage is supported by the hybrid energy storage system (HESS) (devices include Battery and Supercapacitor (SC)) with the use of active topology. Storage devices connect with the DC bus through the bidirectional buck-boost converters. A MATLAB/Simulink DC microgrid model is developed which includes a PV array, battery and SC, and a three-step Variable DC load. The results are presented and discussed in this paper.

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2019 IEEE 1st International Conference on Energy, Systems and Information Processing (ICESIP)

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