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一种用于并网型直驱风力发电机组一次调频的参数自适应方法。

A Parameter-Adaptive Method for Primary Frequency Regulation of Grid-Forming Direct-Drive Wind Turbines.

作者信息

Hu Siqi, Meng Keqilao, Wu Zikai

机构信息

College of Energy and Power Engineering, Inner Mongolia University of Technology, Hohhot 010050, China.

Key Laboratory of Wind Energy and Solar Energy, Ministry of Education, Hohhot 010050, China.

出版信息

Sensors (Basel). 2024 Oct 15;24(20):6651. doi: 10.3390/s24206651.

DOI:10.3390/s24206651
PMID:39460131
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11511548/
Abstract

When wind turbines contribute to system frequency support using virtual synchronous generator (VSG) control, conventional VSG methods often fall short of meeting operational demands, particularly in terms of inertia and frequency support. In this study, considering both the frequency regulation and dynamic performance of VSG, a novel parameter design method that enhances frequency modulation capabilities is proposed in this paper. Initially, VSG control is integrated into the grid-side converter of a direct-drive permanent magnet synchronous generator (D-DPMSG) wind turbine. A small-signal model of the D-DPMSG-VSG active power is then formulated to analyze how the moment of inertia and damping coefficient impact system stability. Subsequently, ensuring that system parameter constraints are met, the key parameters of VSG are adaptively designed to dynamically adjust the system's frequency and output power during transient responses. Finally, simulation results based on D-DPMSG-VSG in MATLAB/Simulink validated the feasibility, effectiveness, and advantages of the proposed parameter-adaptive VSG control strategy for enhancing the frequency modulation (FM) performance of wind turbines.

摘要

当风力涡轮机使用虚拟同步发电机(VSG)控制来为系统频率提供支持时,传统的VSG方法往往无法满足运行需求,特别是在惯性和频率支持方面。在本研究中,考虑到VSG的频率调节和动态性能,本文提出了一种增强调频能力的新型参数设计方法。首先,将VSG控制集成到直驱永磁同步发电机(D-DPMSG)风力涡轮机的网侧变流器中。然后建立D-DPMSG-VSG有功功率的小信号模型,以分析转动惯量和阻尼系数如何影响系统稳定性。随后,在确保满足系统参数约束的情况下,对VSG的关键参数进行自适应设计,以便在暂态响应期间动态调整系统频率和输出功率。最后,基于MATLAB/Simulink中的D-DPMSG-VSG的仿真结果验证了所提出的参数自适应VSG控制策略在增强风力涡轮机调频(FM)性能方面的可行性、有效性和优势。

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