面向高比例可再生能源系统的VSG型构网储能多短路比自适应控制技术研究

宗思佳; 彭寅章; 李明; 兰承龙; 梁继业; 克帕依吐· 吐尔逊; 阿拜· 朱马别克

doi:10.19799/j.cnki.2095-4239.2026.0600

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面向高比例可再生能源系统的VSG型构网储能多短路比自适应控制技术研究

XXXX | 更新时间：2026-09-28

- 面向高比例可再生能源系统的VSG型构网储能多短路比自适应控制技术研究
- Adaptive Control of VSG-Based Grid-Forming Energy Storage Across Multiple Short-Circuit Ratios in Power Systems with High Renewable Energy Penetration
- 储能科学与技术 2026年页码：1-12
- 作者机构：
  
  国网新疆电力有限公司电力科学研究院，新疆维吾尔自治区乌鲁木齐 830063
- 作者简介：
  
  宗思佳（1995—），女，硕士，助理工程师，研究方向为新能源及储能技术，E-mail：1904182683@qq.com；
- 基金信息：
  
  国家电网有限公司科技项目资助(SGXJDK00XXJS2600047)
- DOI：10.19799/j.cnki.2095-4239.2026.0600
  中图分类号： TM 74
- 收稿：2026-07-10，
  
  修回：2026-09-24，
  
  网络首发：2026-09-26，
- 稿件说明：
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宗思佳, 彭寅章, 李明, 等. 面向高比例可再生能源系统的VSG型构网储能多短路比自适应控制技术研究[J]. 储能科学与技术, XXXX, XX(XX): 1-12.

ZONG Sijia, PENG Yinzhang, LI Ming, et al. Adaptive Control of VSG-Based Grid-Forming Energy Storage Across Multiple Short-Circuit Ratios in Power Systems with High Renewable Energy Penetration[J]. Energy Storage Science and Technology, XXXX, XX(XX): 1-12.
宗思佳, 彭寅章, 李明, 等. 面向高比例可再生能源系统的VSG型构网储能多短路比自适应控制技术研究[J]. 储能科学与技术, XXXX, XX(XX): 1-12. DOI： 10.19799/j.cnki.2095-4239.2026.0600.

ZONG Sijia, PENG Yinzhang, LI Ming, et al. Adaptive Control of VSG-Based Grid-Forming Energy Storage Across Multiple Short-Circuit Ratios in Power Systems with High Renewable Energy Penetration[J]. Energy Storage Science and Technology, XXXX, XX(XX): 1-12. DOI： 10.19799/j.cnki.2095-4239.2026.0600.

摘要

针对高比例可再生能源系统中不同短路比（SCR）工况下，虚拟同步发电机（virtual synchronous generator

VSG）型构网储能采用固定阻尼系数D与虚拟惯量J时存在有功动态响应性能与并网稳定裕度难以兼顾的问题，提出一种离线D-J可行域构建与在线自适应控制策略。首先基于VSG有功环小信号模型，以最佳阻尼比为目标获得满足动态性能要求的

D-J

参数区域；然后利用VSG型构网储能dq阻抗模型分析不同SCR下系统并网稳定裕度，获得满足稳定裕度要求的

D-J

参数区域。综合上述动态和稳态区域，离线建立不同SCR对应的

D-J

可行域。在线运行时，控制器根据识别得到的SCR调用相应可行域，搜索距离当前运行点最近的参数点，并通过一阶惯性环节实现D、J的平滑过渡。仿真结果表明：当SCR由10降至2时，固定参数VSG的有功功率出现低频振荡并最终失稳，而所提自

适应策略避免了系统失稳。在有功阶跃指令下，所提策略降低了响应超调并加快振荡衰减，改善了系统动态性能。所提方法无需在线扫频判稳和复杂优化计算，提高了VSG型构网储能对SCR变化的适应能力。

Abstract

In systems with a high proportion of renewable energy

when a virtual synchronous generator (VSG)-type grid-forming energy storage system operates under different short-circuit ratios (SCR) with a fixed damping coefficient D and virtual inertia J

it is difficult to balance active power dynamic response performance and grid-connection stability margin. To address this issue

this paper proposes a method for constructing the D-J offline feasibility region and an online adaptive control strategy. First

based on the small-signal model of the VSG active power loop

a region of D-J parameters that satisfies the dynamic performance requirements is obtained by optimizing the damping ratio. Then

using the dq impedance model of the VSG-type grid-forming energy storage

the system's grid-connection stability margin under different SCR conditions is analyzed to obtain a region of D-J parameters that meets the stability margin requirements. By integrating these dynamic and steady-state regions

the D-J feasibility domain corresponding to different SCRs is established offline. During online operation

the controller retrieves the corresponding feasible region based on the identified SCR value

searches for the parameter point closest to the current operating point

and achieves a smooth transition of D and J through a first-order inertia term. Simulation results show that when the SCR is reduced from 10 to 2

the active power of a VSG with fixed parameters exhibits low-frequency oscillations and eventually becomes unstable

whereas the proposed adaptive strategy prevents system instability. Under active-power step commands

the proposed strategy reduces response overshoot and accelerates oscillation decay

thereby improving the system's dynamic performance. The proposed method eliminates the need for online frequency-sweep stability analysis and complex optimization calculations

enhancing the adaptability of VSG-based grid-forming energy storage to SCR variations.

关键词

Keywords

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