汪新星,朱嘉炜,许冠军
WANG Xinxing,ZHU Jiawei,XU Guanjun

• 1:上海远宽能源科技有限公司

摘要(Abstract)：

为应对高比例新能源接入导致的系统惯量下降与频率稳定问题，提出一种基于分层功率分配与自适应SOC（荷电状态）管理的混合储能系统协调控制方法。所提策略采用三层架构：顶层根据频率偏差及其变化率生成融合惯量支撑与一次调频的功率指令；中间层由超级电容应对瞬变功率，锂电池处理稳态功率，并利用模糊控制防止SOC越限；底层通过均衡算法确保组内功率单元SOC一致。为验证所提策略的工程适用性，构建了硬件在环实验平台并完成测试。结果表明，所提方法能有效提升系统频率稳定性，具备优异的动态响应与SOC管理能力，在保障运行可靠性的同时延缓了电池老化，为储能电站的实际运行提供了理论与实践支撑。
To address the decline in system inertia and frequency stability challenges associated with high penetration of renewable energy, this paper proposes a coordinated control method for hybrid energy storage systems(HESS) based on hierarchical power allocation and adaptive state-of-charge(SOC) management. The proposed strategy utilizes a three-layer hierarchical architecture: the top layer generates power commands by integrating inertial support and primary frequency regulation based on frequency deviation and its rate of change; the middle layer allocates transient power to supercapacitors and steady-state power to lithium-ion batteries, employing fuzzy logic control to prevent SOC limit violations; and the bottom layer utilizes an equalization algorithm to ensure SOC consistency among power units within each group. To validate the engineering applicability of the strategy, a hardware-inthe-loop(HIL) simulation platform was developed and tested. Results demonstrate that the proposed method effectively enhances system frequency stability with superior dynamic response and robust SOC management. By ensuring operational reliability and mitigating battery degradation, this study provides both theoretical and practical support for the deployment of energy storage power stations.

关键词(KeyWords)： 分层功率分配;模糊控制;自适应SOC管理;混合储能;硬件在环
hierarchical power allocation;fuzzy logic control;adaptive SOC management;hybrid energy storage system;hardware-in-the-loop

Abstract:

Keywords:

基金项目(Foundation): 上海市科技小巨人工程（25LG3505300）

作者(Author): 汪新星,朱嘉炜,许冠军
WANG Xinxing,ZHU Jiawei,XU Guanjun

DOI: 10.19585/j.zjdl.202607008

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