Research Article
Power Transformer Differential Protection Based on Neural Network Principal Component Analysis, Harmonic Restraint and Park's Plots
Table 2
Number of postdisturbance samples required for decision by NNPCA-based relay.
| | Cases | Number of samples required
(actual) | Maximum samples required
(Logical) |
| | Magnetizing inrush () | 8 | 12 | | Internal fault (5% to 98%) | 6 | 12 | | Internal fault (light phase-to-ground fault at 2%) | 9 | 12 |
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