多时滞下基于一致性算法的直流微电网分布式控制的小信号稳定性分析

2023 IEEE 14th International Symposium on Power Electronics for Distributed Generation Systems (PEDG) Pub Date : 2023-06-09 DOI:10.1109/PEDG56097.2023.10215168

Hongqin Yin, Fei Gao, Q. Zheng

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引用次数: 0

摘要

在直流微电网的分布式控制应用中，时滞问题是最关键的问题之一。研究了一种基于连续时间一致性算法的考虑多时滞的直流电动机分布式协调控制。首先，建立了主次控制的直流MG小信号模型。其次，本文用一组时滞微分方程(DDEs)来考虑多时滞。第三，提出了一种求解DDEs超越特征方程的临界特征值跟踪方法。然后，在建立的模型基础上，分析了考虑时滞的直流电动机的稳定性。最后，通过仿真结果验证了所得到的稳定裕度。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Small-Signal Stability Analysis of Consensus Algorithm-Based Distributed Control for DC Microgrids Under Multiple Time Delays

Time delay problem is one of the most critical issues in the application of distributed control for DC microgrids (MGs). This paper focuses on a continuous time consensus algorithm based distributed coordinated control for DC MG considering multiple time delays. Firstly, the small-signal model of a DC MG with primary and secondary control is established. Secondly, this paper considers multiple time delay by a set of delay differential equations (DDEs). Thirdly, this paper proposes a critical eigenvalue tracking method to solve the transcendental characteristic equation of the DDEs. Afterwards, the stability of the DC MG considering time delay is analyzed based on the established model. Finally, the obtained stability margin is verified by simulation results.

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2023 IEEE 14th International Symposium on Power Electronics for Distributed Generation Systems (PEDG)

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