Research Article
Fault Line Selection Method of Small Current to Ground System Based on Atomic Sparse Decomposition and Extreme Learning Machine
Table 9
Fault voting result of cable line
under 0°.
| | Fault location/km | Transition resistance/ | Feeder line style | Atom 1 | Atom 2 | Atom 3 | Atom 4 | Voting results | Fault line selection results |
| |
10 |
100 | Overhead line | 0.9667 × 1 | 0.7125 × 1 | 0.9341 × (−1) | 0.7375 × 1 | 2.4167 > 0.9341 | Vote is healthy line | | Overhead line | 0.9667 × 1 | 0.7125 × 1 | 0.9341 × 1 | 0.7375 × 1 | 3.3508 > 0 | Vote is healthy line | | Hybrid line | 0.9667 × 1 | 0.7125 × 1 | 0.9341 × 1 | 0.7375 × 1 | 3.3508 > 0 | Vote is healthy line | | Cable line | 0.9667 × (−1) | 0.7125 × (−1) | 0.9341 × (−1) | 0.7375 × (−1) | 3.3508 > 0 | Vote is fault line |
| |
6 |
1000 | Overhead line | 0.9667 × 1 | 0.7125 × 1 | 0.9341 × 1 | 0.7375 × (−1) | 2.6133 > 0.7375 | Vote is healthy line | | Overhead line | 0.9667 × 1 | 0.7125 × 1 | 0.9341 × 1 | 0.7375 × 1 | 3.3508 > 0 | Vote is healthy line | | Hybrid line | 0.9667 × 1 | 0.7125 × 1 | 0.9341 × 1 | 0.7375 × (−1) | 2.6133 > 0.7375 | Vote is healthy line | | Cable line | 0.9667 × (−1) | 0.7125 × (−1) | 0.9341 × (−1) | 0.7375 × (−1) | 3.3508 > 0 | Vote is fault line |
| |
10 |
1000 | Overhead line | 0.9667 × 1 | 0.7125 × (−1) | 0.9341 × 1 | 0.7375 × 1 | 2.6383 > 0.7125 | Vote is healthy line | | Overhead line | 0.9667 × 1 | 0.7125 × (−1) | 0.9341 × 1 | 0.7375 × 1 | 2.6383 > 0.7125 | Vote is healthy line | | Hybrid line | 0.9667 × 1 | 0.7125 × 1 | 0.9341 × 1 | 0.7375 × (−1) | 2.6133 > 0.7375 | Vote is healthy line | | Cable line | 0.9667 × (−1) | 0.7125 × (−1) | 0.9341 × (−1) | 0.7375 × (−1) | 3.3508 > 0 | Vote is fault line |
| |
6 |
2000 | Overhead line | 0.9667 × 1 | 0.7125 × 1 | 0.9341 × 1 | 0.7375 × 1 | 3.3508 > 0 | Vote is healthy line | | Overhead line | 0.9667 × 1 | 0.7125 × (−1) | 0.9341 × 1 | 0.7375 × 1 | 2.6383 > 0.7125 | Vote is healthy line | | Hybrid line | 0.9667 × 1 | 0.7125 × 1 | 0.9341 × 1 | 0.7375 × (−1) | 2.6133 > 0.7375 | Vote is healthy line | | Cable line | 0.9667 × (−1) | 0.7125 × (−1) | 0.9341 × (−1) | 0.7375 × (−1) | 3.3508 > 0 | Vote is fault line |
| |
10 |
2000 | Overhead line | 0.9667 × 1 | 0.7125 × (−1) | 0.9341 × 1 | 0.7375 × 1 | 2.6383 > 0.7125 | Vote is healthy line | | Overhead line | 0.9667 × 1 | 0.7125 × (−1) | 0.9341 × 1 | 0.7375 × 1 | 2.6383 > 0.7125 | Vote is healthy line | | Hybrid line | 0.9667 × 1 | 0.7125 × 1 | 0.9341 × 1 | 0.7375 × 1 | 3.3508 > 0 | Vote is healthy line | | Cable line | 0.9667 × (−1) | 0.7125 × (−1) | 0.9341 × (−1) | 0.7375 × 1 | 2.6133 > 0.7375 | Vote is fault line |
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