Research on solar-storage-DC hybrid energy storage based on park distributed grid

2022 IEEE 2nd International Conference on Data Science and Computer Application (ICDSCA) Pub Date : 2022-10-28 DOI:10.1109/ICDSCA56264.2022.9987950

Lu Tianqi, Yang Bo, Gao Jing, Yang Guochen, Liang Jiaxin

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Abstract

For the purpose of making full use of the advantages of the hybrid energy storage system and another purpose of trying to make the advantages of each kind of energy storage battery complement each other,and also considering the average weak damping and midiume low inertia of the energy storage converter,one kind of frequency division control strategy of the hybrid energy storage unit based on the virtual DC generator control is proposed.Based on the frequency division control of the hybrid energy storage unit.As a matter of fact, the control strategy adopts the virtual DC generator control for the power density battery energy storage converter to increase the damping and inertia of the power density energy storage and improve the dynamic stability of the DC bus voltage.In order to verify its effectiveness,and also the simulation and comparative analysis of the micro-source variation and load fluctuation and the traditional droop control are carried out,which enhances the charging and discharging part.

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基于园区分布式电网的太阳能-直流混合储能研究

为了充分发挥混合储能系统的优势，也为了尽量使各种储能电池的优势互补，同时考虑到储能变换器的平均弱阻尼和中低惯性，提出了一种基于虚拟直流发电机控制的混合储能单元分频控制策略。基于分频控制的混合储能装置。实际上，该控制策略对功率密度电池储能变换器采用虚拟直流发电机控制，增加了功率密度储能的阻尼和惯性，提高了直流母线电压的动态稳定性。为了验证其有效性，并对微源变化和负荷波动与传统的下垂控制进行了仿真和对比分析，从而增强了充放电部分。

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来源期刊

2022 IEEE 2nd International Conference on Data Science and Computer Application (ICDSCA)

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