Investigation of SMES-Battery Hybrid Energy Storage System for Robustness Enhancement of Solid-State Transformer

IF 1.7 3区物理与天体物理 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Applied Superconductivity Pub Date : 2024-09-18 DOI:10.1109/TASC.2024.3463258

Lei Chen;Xuefeng Qiao;Man Yang;Jiahui Zhu;Shencong Zheng;Jingguang Tang;Hongkun Chen

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引用次数: 0

Abstract

This paper studies a hybrid energy storage system (HESS) incorporating battery and superconducting magnetic energy storage (SMES) for the robustness increase of a solid-state transformer (SST), which conducts the voltage conversion and power exchange between different power networks. Firstly, the topological structure and control mode of the SST are stated. Then, to address the SST's voltage stability issue caused by power disturbances, a fuzzy control scheme is presented to adjust the power response of the HESS. Based on the differences in power time scale and charge/discharge behaviors, the proper power allocation law is obtained for the SMES and the battery. In addition, a schematic design of a 10 H/200 A SMES magnet is implemented. The parameters of the HTS magnet, encompassing critical current level, tape length, and magnetic field strength, are refined. Using the MATLAB platform, the performance validation of the SMES-battery in a 10 kV/ 1 kV SST is done. The simulation results affirm the credibility of the SMES-battery in maintaining the power balance and boosting the bus voltage stability of the SST under varying degrees of disturbance. The voltage fluctuations in the DC bus are effectively limited, and the DC voltage promptly returns to a steady state, while the state of charge (SoC) of the SMES-battery is within favorable levels.

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用于增强固态变压器稳健性的 SMES 电池混合储能系统研究

本文研究了一种包含电池和超导磁能存储（SMES）的混合储能系统（HESS），以提高固态变压器（SST）的稳健性，该变压器在不同电网之间进行电压转换和功率交换。首先，阐述了 SST 的拓扑结构和控制模式。然后，针对 SST 因电力扰动引起的电压稳定性问题，提出了一种模糊控制方案来调整 HESS 的功率响应。根据功率时间尺度和充放电行为的差异，得出了 SMES 和电池的适当功率分配定律。此外，还实现了 10 H/200 A SMES 磁体的原理图设计。细化了 HTS 磁体的参数，包括临界电流水平、磁带长度和磁场强度。利用 MATLAB 平台，在 10 kV/ 1 kV SST 中对 SMES 电池进行了性能验证。仿真结果表明，在不同程度的干扰下，SMES 电池能够维持 SST 的功率平衡并提高母线电压稳定性。直流母线电压波动得到有效限制，直流电压迅速恢复到稳定状态，而 SMES 电池的电荷状态（SoC）处于有利水平。

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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来源期刊

IEEE Transactions on Applied Superconductivity 工程技术-工程：电子与电气

CiteScore

3.50

自引率

33.30%

发文量

650

审稿时长

2.3 months

期刊介绍： IEEE Transactions on Applied Superconductivity (TAS) contains articles on the applications of superconductivity and other relevant technology. Electronic applications include analog and digital circuits employing thin films and active devices such as Josephson junctions. Large scale applications include magnets for power applications such as motors and generators, for magnetic resonance, for accelerators, and cable applications such as power transmission.