Research Article

A Method for Identification of Transformer Inrush Current Based on Box Dimension

Table 2

Box dimensions of inner fault current (faults occur in no-load closing).

Fault type

Single-phase ground1.38951.39131.3603
Two-phase short circuit1.41171.41161.4063
Two-phase ground1.38121.41161.3768
Three-phase short circuit1.38391.41161.3755
Three-phase ground1.38401.41161.3755
Turn-to-turn fault (10%)1.39181.40791.411
Turn-to-turn fault (20%)1.37571.39481.4087
Turn-to-turn fault (50%)1.38441.38951.4153