Locating Sources of Oscillations Induced by Control of Voltage Source Converters Based on Energy Structure and Nonlinearity Detection

IF 5.7 1区工程技术 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC

Journal of Modern Power Systems and Clean Energy Pub Date : 2024-01-02 DOI:10.35833/MPCE.2023.000101

Zetian Zheng;Shaowei Huang;Jun Yan;Qiangsheng Bu;Chen Shen;Mingzhong Zheng;Ye Liu

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引用次数: 0

Abstract

The oscillation phenomena associated with the control of voltage source converters (VSCs) are concerning, making it crucial to locate the sources of such oscillations and suppress the oscillations. Therefore, this paper presents a location scheme based on the energy structure and nonlinearity detection. The energy structure, which conforms to the principle of the energy-based method and dissipativity theory, is developed to describe the transient energy flow for VSCs, based on which a defined characteristic quantity is implemented to narrow the scope for locating the sources of oscillations. Moreover, based on the self-sustained oscillation characteristics of VSCs, an index for nonlinearity detection is applied to locate the VSCs that produce the oscillation energy. The combination of the energy structure and nonlinearity detection distinguishes the contributions of different VSCs to the oscillation. The results of a case study implemented by the PSCAD/EMTDC simulation validate the proposed scheme.

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基于能量结构和非线性检测的电压源转换器控制引发的振荡源定位

与电压源转换器（VSC）控制相关的振荡现象令人担忧，因此定位振荡源并抑制振荡至关重要。因此，本文提出了一种基于能量结构和非线性检测的定位方案。能量结构符合基于能量的方法和耗散性理论的原理，用于描述 VSC 的瞬态能量流，并在此基础上确定特征量，以缩小振荡源的定位范围。此外，根据 VSC 的自持振荡特性，应用非线性检测指标来定位产生振荡能量的 VSC。能量结构和非线性检测相结合，可以区分不同的 VSC 对振荡的贡献。通过 PSCAD/EMTDC 仿真实现的案例研究结果验证了所提出的方案。

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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来源期刊

Journal of Modern Power Systems and Clean Energy ENGINEERING, ELECTRICAL & ELECTRONIC-

CiteScore

12.30

自引率

14.30%

发文量

审稿时长

13 weeks

期刊介绍： Journal of Modern Power Systems and Clean Energy (MPCE), commencing from June, 2013, is a newly established, peer-reviewed and quarterly published journal in English. It is the first international power engineering journal originated in mainland China. MPCE publishes original papers, short letters and review articles in the field of modern power systems with focus on smart grid technology and renewable energy integration, etc.