FoSSA Optimization-Based SVM Classifier for the Recognition of Partial Discharge Patterns in HV Cables

Table 1

Expressions of characteristic parameters.

Symbol of parameters	Meaning
	φ−qmax pos(+) half-cycle skewness
	φ−qmax neg(−) half-cycle skewness
	φ−qmax full-cycle skewnesss
	φ−qmean pos(+) half-cycle skewness
	φ−qmean neg(−) half-cycle skewness
	φ−qmean full-cycle skewness
	φ−qmax pos(+) half-cycle kurtosis
	φ−qmax neg(−) half-cycle kurtosis
	φ−qmax full-cycle kurtosis
	φ−qmean pos(+) half-cycle kurtosis
	φ−qmean neg(−) half-cycle kurtosis
	φ−qmean full-cycle kurtosis
	φ−qmax ratio of the sum of pos(+) and neg(−) half-cycle discharge amplitudes
	φ−qmean ratio of the sum of pos(+) and neg(−) half-cycle discharge amplitudes