基于改进Prony算法对STATCOM暂态稳定性模型的研究

赵乃卓; 于贺; 孙绍官

引用本文:	赵乃卓,于贺,孙绍官.基于改进Prony算法对STATCOM暂态稳定性模型的研究[J].电力系统保护与控制,2014,42(9):8-13.
	ZHAO Nai-zhuo,YU He,SUN Shao-guan.Study on transient stability model of the STATCOM based on improved Prony algorithm[J].Power System Protection and Control,2014,42(9):8-13

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基于改进Prony算法对STATCOM暂态稳定性模型的研究
赵乃卓¹, 于贺¹, 孙绍官²
1.辽宁工程技术大学电气与控制工程学院，辽宁葫芦岛 125105;2.北京品锐科技有限公司，北京 100041

摘要:

STATCOM控制器的详细模型在验证稳定性时存在很多困难。采用暂态稳定性模型（TS模型）来代替详细模型，并用改进Prony算法来提取电力系统的参数，避免了计算幅值和相位时精度不高的问题，克服了传统算法抗干扰较差的问题。在PSCAD/EMTDC中对详细模型和TS模型进行标准控制及辅助控制分析，仿真结果表明，提出的TS模型和改进的Prony算法能有效地解决控制器稳定性分析复杂的问题。

关键词: STATCOM 暂态稳定性模型详细模型 Prony算法标准控制辅助控制

DOI：10.7667/j.issn.1674-3415.2014.09.002

分类号:

基金项目:

Study on transient stability model of the STATCOM based on improved Prony algorithm

ZHAO Nai-zhuo¹, YU He¹, SUN Shao-guan²

1.Faculty of Electrical and Control Engineering, Liaoning Technical University, Huludao 125105, China;2.Beijing PIN RUI Technology Company, Beijing 100041, China

Abstract:

Detailed model of STATCOM controller have many difficulties in stability validation. This paper adopts the transient stability (TS) model instead of the detailed model and uses improved Prony algorithm to extract the parameters of the power system. It avoids low accuracy of amplitude and phase calculated and overcomes the shortcoming in weak anti-interference ability of traditional algorithm. Standard control and supplementary control analysis of the detailed model and TS model is made in PSCAD/EMTDC. Simulation result show that TS model and the improved Prony method can solve the complex problem of controller stability analysis effectively.

Key words: STATCOM TS model detailed model Prony method standard control auxiliary control

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