计及SOC安全边界的光储联合系统协同控制策略

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计及SOC安全边界的光储联合系统协同控制策略

A cooperative control strategy of integrated photovoltaic-energy storage system considering SOC security boundary

计及SOC安全边界的光储联合系统协同控制策略

A cooperative control strategy of integrated photovoltaic-energy storage system considering SOC security boundary

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doi:10.6040/j.issn.1672-3961.0.2023.308

山东大学学报 (工学版) ›› 2025, Vol. 55 ›› Issue (2): 37-44.doi: 10.6040/j.issn.1672-3961.0.2023.308

• 电气工程——智慧能源专题(张恒旭教授主持) • 上一篇

王士柏¹,孙树敏¹,程艳¹,周光奇¹,关逸飞¹,刘奕元¹,张志谦²,张祯滨^2*

1.国网山东省电力公司电力科学研究院, 山东济南 250003;2.山东大学电气工程学院, 山东济南 250061

发布日期:2025-04-15
作者简介:王士柏(1987— ),男,山东烟台人,高级工程师,博士,主要研究方向为大规模新能源与储能并网运行、分布式电源及微电网运行控制、新能源发电并网安全评价. E-mail: 15666968066@126.com. *通信作者简介:张祯滨(1984— ),男,山东济南人,教授,博士生导师,博士,主要研究方向为预测控制在多能源系统与新能源电力变流器集群中的应用等. E-mail: zbz@sdu.edu.cn
基金资助:
国网山东省电力公司科技资助项目(520626230031)

WANG Shibo¹, SUN Shumin¹, CHENG Yan¹, ZHOU Guangqi¹, GUAN Yifei¹, LIU Yiyuan¹, ZHANG Zhiqian², ZHANG Zhenbin^2*

WANG Shibo¹, SUN Shumin¹, CHENG Yan¹, ZHOU Guangqi¹, GUAN Yifei¹, LIU Yiyuan¹, ZHANG Zhiqian², ZHANG Zhenbin^2*(1. State Grid Shandong Electric Power Research Institute, Jinan 250003, Shandong, China;
2. School of Electrical Engineering, Shandong University, Jinan 250061, Shandong, China

Published:2025-04-15

摘要： 为解决光储联合系统储能电池荷电状态(state of charge, SOC)超出安全边界时电池加速老化,系统运行经济性差,且系统功率动态响应速度慢的问题,依据光储联合系统的运行特性,提出一种计及SOC安全边界的光储联合系统协同控制策略,当SOC达预设边界时自动切换变流器工作模式,保证系统健康运行的同时使系统具备频率支撑能力。设计一种基于模型预测控制的虚拟同步发电机(virtual synchronous generator, VSG)策略,实现对电网的惯量支撑和负荷功率需求的快速响应。通过搭建MATLAB/Simulink光储联合系统仿真模型,对储能电池SOC越限时的功频响应特性进行对比和分析,结果表明,模型预测控制相比传统双闭环控制具有更好的动态调节性能,且电池SOC始终处于预设的安全边界内。所提方法可以有效加快光储联合系统功率响应速度,提升对电网的主动支撑能力。

关键词: 光储联合系统, 虚拟同步发电机, 模型预测控制, 荷电状态, 协同控制

中图分类号:

TM615

王士柏,孙树敏,程艳,周光奇,关逸飞,刘奕元,张志谦,张祯滨. 计及SOC安全边界的光储联合系统协同控制策略[J]. 山东大学学报 (工学版), 2025, 55(2): 37-44.

WANG Shibo, SUN Shumin, CHENG Yan, ZHOU Guangqi, GUAN Yifei, LIU Yiyuan, ZHANG Zhiqian, ZHANG Zhenbin. A cooperative control strategy of integrated photovoltaic-energy storage system considering SOC security boundary[J]. Journal of Shandong University(Engineering Science), 2025, 55(2): 37-44.

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