Feature Selection and Parameters Optimization of SVM Using Particle Swarm Optimization for Fault Classification in Power Distribution Systems

Table 1

Parameters and connection phases of distribution transformers in the sample system.

Number	Windings connection	Phases	Secondary voltages (V)	Capacity (kVA)	Impedance (%)
1	Delta-Wye-Gnd.	A, B, C	220	500	1.89
2	Delta-Delta	A, B, C	220	500	1.89