Comparison and Analysis of the Influence of Different Data Transformation Methods on the Fault Identification of Flexible DC Transmission Lines by Convolutional Neural Network

Table 5

Comparison of classification accuracy of different algorithms using a data transformation method.

Data conversion (%)	Classification algorithm
	BYS	CART	KNN	BAG	SVM	CNN
Unconvert	89.17	93.46	96.20	96.84	78.95	96.90
EMD	85.97	94.09	92.01	97.36	93.45	97.30
WT	86.30	94.21	97.93	98.20	97.96	99.20
FFT	89.70	94.94	99.56	98.50	99.05	99.80
VMD	93.09	98.38	98.58	98.38	99.46	99.88