Abstract
On-line identification of power system oscillation modes based on wide-area measurement system (WAMS) has an important significance for damping monitoring and effective control application of real time system. Method of power system oscillation mode identification utilizing matrix pencil constructed from sampled data is presented. According to this method, information of frequencies, damping ratio, amplitudes and phase of different oscillation modes can be obtained directly based on system response. By use of the identification information, the poorly damped area and the regions of the grid affected by the mode are detected on-line. Effectiveness of the proposed method is verified by simulation of EPRI-36 system and a certain practical electric network.
| Original language | English |
|---|---|
| Pages (from-to) | 12-17 |
| Number of pages | 6 |
| Journal | Zhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering |
| Volume | 27 |
| Issue number | 19 |
| State | Published - 5 Jul 2007 |
Keywords
- Low frequency oscillation
- Matrix pencil
- Mode identification
- Power system
- Wide-area measurement system
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