Investigation into the Physical Mechanism and Influencing Factors of Sympathetic Inrush for Transformers in Series

Table 1

Parameters of T1 and T2.

	Rated capacity (MVA)	Voltage ratio (kV/kV)	Winding connection	Knee voltage (p.u.)	Magnetizing reactance (p.u.)
T1	31.5	220/6	Y/Y	1.12	0.14
T2	26	6.3/13.8	Δ/Y	1.15	0.3