6Guasch L, C6rcoles F, Pedra J. Effects of Symmetrical Voltage Sags on Three-Phase Three-Legged Transformers[J]. IEEE Trans on Power Delivery, 2004,19(2) :875-883.
7GUASCH L, C(ORCOLES F, PEDRA J. Effects of Voltage Sags on Three-phase Three-legged Transformers. In:Proceedings of 10th International Conference on Harmonics and Quality of Power, Vol 2. Rio de Janeiro (Brazil): 2002. 571-576.
8CASORIA S, SYBILLE G, BRUNELLE P. Hysteresis Modeling in the MATLAB/Power System Blockset.Mathematics and Computers in Simulation, 2003, 63 (3-5) :237-248.
9GUASCH L, CORCOLES F, PEDRA J et al. Effects of Symmetrical Voltage Sags on Three-phase Three-legged Transformers. IEEE Trans on Power Delivery, 2004, 19 (2):875-883.
