From: Comprehensive power swing detection by current signal modeling and prediction using the GMDH method
Case study | Power swing frequency (Hz) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 2 |
5 | 2 |
6 | 2 |
7 | 3 |
8 | 3 |
9 | 3 |
10 | 4 |
11 | 4 |
12 | 4 |
13 | 5 |
14 | 5 |
15 | 5 |
16 | Unstable power swing |
17 | Multi-mode power swing |