Modeling Methodology Research for Dual-active-bridge Parallel Systems With Integral Droop Control Based on Unified Dynamic Model

PAN Xiuyi; WANG Sijia; SUN Zhan; Liu Aocheng; GAO Shanshan; Wang Yijie#br#<div>	#br#</div>

doi:10.19718/i.issn.1005-2992.2025-02-0014-08

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Modeling Methodology Research for Dual-active-bridge Parallel Systems With Integral Droop Control Based on Unified Dynamic Model

更新时间：2025-10-16

- Modeling Methodology Research for Dual-active-bridge Parallel Systems With Integral Droop Control Based on Unified Dynamic Model
- Journal of Northeast Electric Power University Vol. 45, Issue 2, (2025)
- 作者机构：
  
  哈尔滨工业大学电气工程及自动化学院,黑龙江,哈尔滨,150000
- 作者简介：
- 基金信息：
- DOI：10.19718/i.issn.1005-2992.2025-02-0014-08
  CLC：
- Published Online：30 April 2025，
  
  Published：2025
- 稿件说明：
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PAN Xiuyi, WANG Sijia, SUN Zhan, et al. Modeling Methodology Research for Dual-active-bridge Parallel Systems With Integral Droop Control Based on Unified Dynamic Model[J]. Journal of northeast electric power university, 2025, 45(2).
DOI：

PAN Xiuyi, WANG Sijia, SUN Zhan, et al. Modeling Methodology Research for Dual-active-bridge Parallel Systems With Integral Droop Control Based on Unified Dynamic Model[J]. Journal of northeast electric power university, 2025, 45(2). DOI： 10.19718/i.issn.1005-2992.2025-02-0014-08.

摘要

直流微网分布式电源系统模块化设计与并联优化控制显著提升系统稳定性和功率扩展能力，但由于双向隔离变换器并联系统的动态参数互耦特性，给系统建模与稳定性分析带来直流微网分布式电源系统模块化设计与并联优化控制显著提升系统稳定性和功率扩展能力，但由于双向隔离变换器并联系统的动态参数互耦特性，给系统建模与稳定性分析带来新的挑战。为此，基于双有源桥（Dual Active Bridge

DAB）变换器的统一动态模型，提出一种多能源变换器并联积分下垂控制建模方法。仿真结果表明，所提出的建模方法能够精确预测阶跃扰动响应，验证模型的准确性。新的挑战。为此，基于双有源桥（Dual Active Bridge

DAB）变换器的统一动态模型，提出一种多能源变换器并联积分下垂控制建模方法。仿真结果表明，所提出的建模方法能够精确预测阶跃扰动响应，验证模型的准确性。

Abstract

The modular design and parallel optimization control of the DC microgrid distributed power supply system significantly enhance system stability and power expansion capabilities.However

due to the dynamic parameter cross-coupling characteristics of the bidirectional isolated converter parallel system

new challenges are brought to system modeling and stability analysis.Therefore

based on the unified dynamic model of the Dual Active Bridge （DAB）converter

a parallel integral droop control modeling method for multi-energy converters is proposed.The simulation results show that the proposed modeling method can accurately predict the step disturbance response

verifying the accuracy of the model.

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