Control and operation of microgrid connected Hybrid Energy Storage System

2016 International Conference on Energy Efficient Technologies for Sustainability (ICEETS) Pub Date : 2016-04-07 DOI:10.1109/ICEETS.2016.7583780

R. Sreelekshmi, A. Prasad, M. Nair

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引用次数: 25

Abstract

The high penetration of the Renewable Energy Sources (RES) can create stability, reliability and power quality problems in the main electrical grid due to their stochastic nature. Microgrids can be analysed as a solution capable of guaranteeing a controlled injection of energy generated by the renewable energy technologies. The use of storage system in a MG plays an essential role in order to ensure energy balance and in maintaining high power quality. Due to the technical limitations of the currently available storage systems, it is necessary to use more than one storage technology to satisfy the requirement of microgrid applications. In order to satisfy the above constraints, this paper proposes the association of a supercapacitor (SC) and a lithium ion battery in a Hybrid Energy Storage System (HESS). A novel control strategy is adopted for the control of the HESS. Hierarchical control is used for the control of the inverter in islanding and grid connected mode. Self synchronization control ensures smooth transition between islanded and grid connected modes. Simulation of the system is carried out in MATLAB/Simulink.

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微网并网混合储能系统的控制与运行

由于可再生能源的随机性，可再生能源的高渗透率会给主电网带来稳定性、可靠性和电能质量问题。微电网可以分析为一种解决方案，能够保证可再生能源技术产生的能源的可控注入。存储系统的使用对于保证电力平衡和保持高质量的电能质量起着至关重要的作用。由于现有存储系统的技术限制，需要使用多种存储技术来满足微电网应用的要求。为了满足上述约束，本文提出了在混合储能系统(HESS)中超级电容器(SC)与锂离子电池的结合。采用了一种新的控制策略对HESS进行控制。在孤岛和并网模式下，逆变器的控制采用分级控制。自同步控制确保孤岛和电网连接模式之间的平稳过渡。在MATLAB/Simulink中对系统进行了仿真。

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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2016 International Conference on Energy Efficient Technologies for Sustainability (ICEETS)

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