Table 5 Performance of the interval estimates for the IEEE 14-bus system parameters (n = 44)
From: The computation of confidence intervals for the state parameters of power systems
Estimated parameters | Base case values | Average LCL | Average UCL | Coverage Prob (%) |
|---|---|---|---|---|
θ 02 | −04.98 | −05.14 | −04.75 | 97.22 |
θ 03 | −12.72 | −13.18 | −12.11 | 97.94 |
θ 04 | −10.33 | −10.64 | −09.75 | 97.92 |
θ 05 | −08.78 | −09.11 | −08.30 | 98.24 |
θ 06 | −14.22 | −15.36 | −13.09 | 97.84 |
θ 07 | −13.37 | −14.11 | −12.14 | 98.30 |
θ 08 | −13.36 | −14.48 | −11.72 | 97.94 |
θ 09 | −14.94 | −15.74 | −13.62 | 98.04 |
θ 10 | −15.10 | −16.08 | −13.75 | 97.80 |
θ 11 | −14.79 | −15.98 | −13.47 | 97.98 |
θ 12 | −15.07 | −16.66 | −13.62 | 96.96 |
θ 13 | −15.16 | −16.53 | −13.83 | 98.14 |
θ 14 | −16.04 | −17.38 | −14.56 | 97.02 |
V 01 | 243.80 | 242.05 | 246.75 | 95.78 |
V 02 | 240.35 | 238.72 | 243.14 | 95.56 |
V 03 | 232.30 | 230.28 | 235.48 | 96.56 |
V 04 | 234.14 | 232.55 | 236.29 | 97.48 |
V 05 | 234.60 | 233.07 | 236.87 | 97.04 |
V 06 | 246.10 | 244.57 | 248.74 | 95.92 |
V 07 | 244.26 | 241.50 | 245.61 | 93.60 |
V 08 | 250.70 | 247.68 | 254.17 | 97.76 |
V 09 | 242.88 | 238.65 | 243.67 | 80.58 |
V 10 | 241.73 | 238.34 | 242.95 | 89.72 |
V 11 | 243.11 | 240.71 | 245.76 | 97.98 |
V 12 | 242.65 | 240.19 | 246.38 | 97.12 |
V 13 | 241.50 | 239.66 | 244.63 | 95.98 |
V 14 | 238.28 | 235.02 | 241.00 | 97.76 |