On-line coherency monitoring of power system oscillations

被引：0

作者：

Hiyama, T ^{[1
]}

Suzuki, N ^{[1
]}

Funakoshi, T ^{[1
]}

机构：

[1] Kumamoto Univ, Dept Elect & Comp Engn, Kumamoto 8608555, Japan

来源：

2000 IEEE POWER ENGINEERING SOCIETY SUMMER MEETING, CONFERENCE PROCEEDINGS, VOLS 1-4 | 2000年

关键词：

coherency analysis; real time FFT analysis; modal analysis; oscillation modes; fuzzy reasoning; frequency domain analysis;

D O I：

暂无

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 a real time FFT based on-line monitoring of power system oscillation modes. The monitoring system is set up by using a personal computer with a DSP board including an AD conversion interface. For the monitoring of oscillation modes, the real power flows on 500kV trunk lines were measured at all the 500kV substations in the Kyushu Electric Power System The monitored power flows were utilized for the FFT analysis to identify the oscillation modes in real time. A coherency index, based on the EFT analysis, has been proposed to identify coherent areas in the study system. The efficiency of the proposed method has been demonstrated by using the real power flows measured on all the 500kV trunk lines. The proposed coherency analysis is quite efficient to have better understanding of power system oscillations in the Kyushu Electric Power System.

引用

页码：1839 / 1844

页数：4

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