Small-signal Stability Analysis Method of Grid-forming Distributed Generation System Based on the Dissipation Theory

YUAN Wenkai; ZHENG Tianwen; CHEN Laijun; GUO Yan; MEI Shengwei

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Small-signal Stability Analysis Method of Grid-forming Distributed Generation System Based on the Dissipation Theory

更新时间：2025-12-08

- Small-signal Stability Analysis Method of Grid-forming Distributed Generation System Based on the Dissipation Theory
- Vol. 47, Issue 10, Pages: 3497-3504(2021)
- 作者机构：
  
  1. 清华大学电机工程与应用电子技术系
  2. 青海大学新能源光伏产业研究中心青海省清洁能源高效利用重点实验室
  3. 清华四川能源互联网研究院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published Online：31 October 2021，
  
  Published：2021
- 稿件说明：
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YUAN Wenkai, ZHENG Tianwen, CHEN Laijun, et al. Small-signal Stability Analysis Method of Grid-forming Distributed Generation System Based on the Dissipation Theory[J]. 2021, 47(10): 3497-3504.
DOI：

YUAN Wenkai, ZHENG Tianwen, CHEN Laijun, et al. Small-signal Stability Analysis Method of Grid-forming Distributed Generation System Based on the Dissipation Theory[J]. 2021, 47(10): 3497-3504. DOI：

摘要

随着电力电子装置在电力系统中广泛接入

逆变型分布式电源组网运行已成为新一代电力系统的重要发展方向之一。由于组网系统中分布式电源数量较多且往往归属于不同主体

各组成单元的信息交互并不完全透明

传统依赖全局信息的小干扰稳定性集中式分析方法难以满足分布式信息处理的要求。为此

建立了面向分布式发电广泛接入的电力系统小干扰稳定性分析模型

提出了基于耗散理论的系统小干扰稳定分布式判定条件

给出了小干扰稳定性的分布式计算框架

推导了分布式计算环境下的网络耦合参数的求解流程

仿真结果验证了所提小干扰稳定性分布式分析方法的有效性和扩展性。

Abstract

With the wide access of power electronic devices in the power system

the grid-forming operation of inverter-based distributed generator（DG） has become one of the important development directions of the new power system. Due to the large number of grid-forming distributed generators in power system and the fact that the DGs often belong to different managers

the information interaction of each DG is not completely transparent

and the conventional centralized small-signal stability analysis method which relies on global information is difficult to meet the computing requirements. Therefore

in this paper the model of small-signal stability analysis for the power system with distributed generators being widely accessed is established. Then

a distributed condition of small-signal stability is proposed based on the dissipative system theory

and the solving process of network coupling parameters in distributed computing environment is derived. The test results verify the effectiveness and expansibility of the proposed distributed method for small-signal stability analysis.

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