Distributed Inter-Area Oscillation Damping Control via Dynamic Average Consensus Algorithm

P. Macedo, Shailesh Wasti, V. Disfani
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引用次数: 1

Abstract

Massive deployment of distributed energy resources (DER) through zero-inertia power electronic converters has made the power grid vulnerable to frequency instabilities and in particular inter-area oscillations. Low-frequency oscillations are of major concerns as they have the potential to limit maximum power transfer, and even cause blackouts. This paper presents a novel distributed control algorithm called distributed frequency deviation control (DFDC) based on local frequency deviation from the estimate of the average frequency of the network. The efficacy of the control unit is demonstrated via modal analyses and time-domain simulations. The results show that all the inter-area oscillation modes are damped for all the test cases without affecting the other dynamic modes of the system.
基于动态平均一致性算法的分布式区域间振荡阻尼控制
通过零惯性电力电子变流器大规模部署分布式能源(DER)使电网容易受到频率不稳定,特别是区域间振荡的影响。低频振荡是主要关注的问题,因为它们有可能限制最大功率的传输,甚至导致停电。本文提出了一种基于局部频率与网络平均频率估计值偏差的分布式频率偏差控制算法(DFDC)。通过模态分析和时域仿真验证了控制单元的有效性。结果表明,在不影响系统其他动态模态的情况下,所有测试用例的所有区域间振荡模态都得到了阻尼。
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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