基于多频段自适应陷波器的风电外送系统次同步振荡抑制策略

王子建; 谷瑞峰; 马燕峰; 张鑫宇; 赵书强

doi:10.19912/j.0254-0096.tynxb.2023-1239

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太阳能学报 ›› 2024, Vol. 45 ›› Issue (11) : 141-152. DOI: 10.19912/j.0254-0096.tynxb.2023-1239

基于多频段自适应陷波器的风电外送系统次同步振荡抑制策略

王子建, 谷瑞峰, 马燕峰, 张鑫宇, 赵书强

作者信息 +

SUB-SYNCHRONOUS OSCILLATION SUPPRESSION STRATEGY FOR WIND POWER TRANSMISSION SYSTEMS BASED ON MULTI BAND ADAPTIVE NOTCH FILTERS

Wang Zijian, Gu Ruifeng, Ma Yanfeng, Zhang Xinyu, Zhao Shuqiang

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文章历史 +

摘要

提出一种基于多频段自适应陷波器（MANF）的风电外送系统SSO抑制策略。首先,在分析SSO产生机理的基础上确定MANF在双馈风电机组（DFIG）转子侧变流器（RSC）中的安装位置。其次,利用递归群谐波功率最小化（RGPM）算法优化的DFT辨识法设计次同步振荡检测器,有效解决模态混叠等问题;然后利用加窗稀疏度自适应匹配追踪（SAMP）算法,设计可根据输入频率实时更新陷波频率的MANF。最后,通过与多陷波点陷波器（MNF）和单陷波点自适应陷波器（ANF）对比,验证了抑制策略的有效性;在考虑不同串补度、风电部分切机同时火电补发功率的工况下,验证了抑制策略的鲁棒性。

Abstract

A sub-synchronous oscillation suppression strategy for wind power transmission systems based on multi band adaptive notch filter （MANF） is proposed. Firstly, based on the mechanism analysis of sub-synchronous oscillation, the installation position of MANF in the rotor measurement converter （RSC） of doubly fed induction generator （DFIG） is determined. Secondly, the DFT identification method optimized by the recursive group harmonic power minimization （RGPM） algorithm is used to design a sub-synchronous oscillation detector, effectively solving problems such as mode mixing. Then, using the windowed sparsity adaptive matching pursuit （SAMP） algorithm, design a MANF that can update the notch frequency in real time based on the input frequency. Finally, the effectiveness of the suppression strategy was verified by comparing with the multi notch notch filter （MNF） and the single notch adaptive notch filter （ANF）. The robustness of the suppression strategy was verified under the conditions of considering different series compensation degrees, wind power partial cutting, and thermal power replenishment power.

导出引用

王子建, 谷瑞峰, 马燕峰, 张鑫宇, 赵书强. 基于多频段自适应陷波器的风电外送系统次同步振荡抑制策略[J]. 太阳能学报. 2024, 45(11): 141-152 https://doi.org/10.19912/j.0254-0096.tynxb.2023-1239

Wang Zijian, Gu Ruifeng, Ma Yanfeng, Zhang Xinyu, Zhao Shuqiang. SUB-SYNCHRONOUS OSCILLATION SUPPRESSION STRATEGY FOR WIND POWER TRANSMISSION SYSTEMS BASED ON MULTI BAND ADAPTIVE NOTCH FILTERS[J]. Acta Energiae Solaris Sinica. 2024, 45(11): 141-152 https://doi.org/10.19912/j.0254-0096.tynxb.2023-1239

中图分类号： TM712

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