Wide Area Inter-Area Oscillation Monitoring Using Fast Nonlinear Estimation Algorithm

被引:33
作者
Cai, Deyu [1 ]
Regulski, P. [2 ]
Osborne, M. [3 ]
Terzija, V. [2 ]
机构
[1] Shanghai Elect Power Corp Ltd, Shanghai 600021, Peoples R China
[2] Univ Manchester, Manchester M13 9PL, Lancs, England
[3] Natl Grid Ltd, Warwick CV34 6DA, England
基金
英国工程与自然科学研究理事会;
关键词
Inter-area oscillations; Newton type algorithm; nonlinear parameter estimation; wide area monitoring systems; FREQUENCY ESTIMATION; ONLINE ESTIMATION; PRONY ANALYSIS; POWER; MODE; PHASOR;
D O I
10.1109/TSG.2013.2257890
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
This paper presents the results of the development of Smart Grid transmission network applications in the Great Britain (GB) power system. A new Wide Area Monitoring System (WAMS) application for monitoring inter-area oscillations is developed. The core of this novel application is a fast nonlinear algorithm for the real-time estimation of the dominant inter-area oscillation mode, which processes GPS synchronized information obtained from Phasor Measurement Units (PMUs) installed in the power system. It is based on the Newton-Type Algorithm (NTA), an efficient parameter estimator. The paper focuses on the practical application of the new WAMS application: two data sets were tested, one based on computer simulations and the other based on real-life data records. The computer simulated oscillatory signals were obtained through dynamic simulations of the full GB power system model consisting of over 200 generators. The real-life data records used information collected by the FlexNet Wide Area Monitoring System (FlexNET-WAMS) installed in the GB network. Based on these data records, the features of inter-area oscillations in the GB network are drawn.
引用
收藏
页码:1721 / 1731
页数:11
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