Energy Informatics

Table 7 Cross-validation results in with PV scenario for impact of normalization test

From: A proposed PMU-based voltage stability and critical bus detection method using artificial neural network

Fold number	Accuracy (%)
	Without normalization		With normalization
	Stability	Critical Bus	Stability	Critical Bus
1	95.74	84.03	98.63	96.89
2	95.38	82.30	98.48	96.53
3	95.66	88.37	98.05	97.25
4	97.18	89.02	99.13	96.32
5	96.89	88.95	97.76	96.97
6	96.60	89.23	98.48	97.04
7	96.68	85.98	98.48	97.04
8	96.17	78.03	97.98	96.46
9	96.10	89.38	98.27	95.95
10	97.04	85.25	98.34	97.69
Mean	96.34	86.05	98.36	96.81
Standard deviation	0.59	3.56	0.36	0.48

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