大规模风电场并网系统次同步振荡研究综述

发布时间：2018-03-16 17:27

本文选题：大规模风电场　切入点：次同步振荡　出处：《电网技术》2017年04期 　论文类型：期刊论文

【摘要】：在大规模风电场并网系统中,经串联补偿、弱交流系统或HVDC并网均有可能引发风电机组的次同步振荡,但产生机理与相关特性各不相同。文章首先介绍了大规模风电场经串联补偿、弱交流系统或HVDC并网系统产生次同步振荡的机理,分为次同步谐振、装置引起的次同步振荡、次同步控制相互作用3个类型;然后论述了分析大规模风电场并网系统次同步振荡的主要方法,包括频率扫描分析法、特征根分析法、复转矩系数法、时域仿真法、阻抗分析法以及幅相运动分析法等;在此基础上归纳总结了次同步振荡的抑制措施,包括改变电气参数、附加阻尼控制、附加滤波装置;最后对于大规模风电场并网系统次同步振荡问题未来的研究方向予以展望。
[Abstract]:In large-scale wind farm grid-connected system, by series compensation, weak AC system or HVDC grid-connected system can cause sub-synchronous oscillation of wind turbine. However, the generation mechanism is different from the related characteristics. This paper first introduces the mechanism of sub-synchronous oscillation produced by large-scale wind farm through series compensation, weak AC system or HVDC grid-connected system, which can be divided into sub-synchronous resonance and sub-synchronous oscillation caused by device. The main methods to analyze the sub-synchronous oscillation of large-scale wind farm grid-connected system are discussed, including frequency scanning analysis, eigenvalue analysis, complex torque coefficient method, time-domain simulation, etc. Based on the analysis of impedance analysis and amplitude and phase motion analysis, the suppression measures of sub-synchronous oscillation are summarized, including changing electrical parameters, additional damping control, additional filter device, etc. Finally, the future research direction of sub-synchronous oscillation of large scale wind farm grid-connected system is prospected.
【作者单位】：新能源与储能运行控制国家重点实验室(中国电力科学研究院);国家电力调度控制中心;
【基金】：国家重点研发计划(2016YFB0900104) 国家电网公司科技项目(集群新能源发电与电网宽频带耦合机理及仿真与实证研究)~~
【分类号】：TM712;TM614

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