Research Article
Online Identification of Distribution Line Parameters by PMUs under Accuracy, Positive Sequence, and Noise Considerations
Table 5
Statistical measures results for all cases (%).
| | Parameter | Statistical measure | Method 1 | Method 2 | Method 3 | | Category | | 1 | 2 | 3 | 4 | 1 | 2 | 3 | 4 | 1 | 2 | 3 | 4 |
| | Resistance | MAD | 0.05 | 0.14 | 0.41 | 0.41 | 0.13 | 0.09 | 0.38 | 0.41 | 0.14 | 0.00 | 6.20 | 0.14 | | MSE | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.26 | 0.00 | | RMSE | 0.04 | 0.14 | 0.34 | 0.34 | 0.14 | 0.08 | 0.33 | 0.34 | 0.15 | 0.00 | 5.07 | 0.12 | | MAPE | 0.02 | 0.06 | 0.24 | 0.22 | 0.05 | 0.04 | 0.22 | 0.22 | 0.08 | 0.00 | 3.49 | 0.07 | | 99.99 | 99.98 | 99.88 | 99.90 | 99.98 | 99.98 | 99.89 | 99.90 | 99.96 | 0.00 | 98.40 | 99.97 |
| | Inductance | MAD | 0.83 | 1.44 | 5.97 | 2.78 | 0.61 | 1.65 | 5.76 | 2.78 | 0.34 | 0.00 | 5.08 | 0.25 | | MSE | 0.00 | 0.01 | 0.32 | 0.08 | 0.00 | 0.02 | 0.30 | 0.08 | 0.00 | 0.00 | 0.18 | 0.00 | | RMSE | 0.69 | 1.16 | 4.88 | 2.27 | 0.48 | 1.37 | 4.67 | 2.26 | 0.26 | 0.00 | 4.28 | 0.23 | | MAPE | 0.13 | 0.24 | 0.98 | 0.46 | 0.11 | 0.27 | 0.96 | 0.46 | 0.06 | 0.00 | 0.79 | 0.03 | | 99.99 | 99.99 | 99.96 | 99.98 | 100.0 | 99.99 | 99.96 | 99.98 | 100.0 | 0.00 | 99.97 | 100.0 |
| | Capacitance | MAD | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.04 | | MSE | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | | RMSE | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.09 | | MAPE | 1.83 | 2.15 | 1.42 | 0.88 | 0.12 | 0.21 | 2.36 | 0.03 | 16.68 | 0.00 | High | High | | Zero | Zero | Zero | Zero | Zero | Zero | Zero | Zero | Zero | Zero | Zero | Zero |
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