4SHU Z L, XIE S F, LI Q Z. Single-phase back-to- back converter for active power balancing, reactive power compensation, and harmonic filtering in traction power system [ J ]. IEEE Trans. on power electron, 2011, 26(2) : 334 -343.
5SHU Z L, XIE S F, LU K, et al. Digital detection, control, and distribution system for co-phase traction power supply application [ J]. IEEE Trans. on Ind. electron, 2013, 60 (5): 1831 -1839.
6DAI N Y, LAO K W, WONG M C, et al. Hybrid power quality conditioner for co-phase power supply system in electrified railway[ J]. IET power electron, 2012, 5 (7) : 1084 -1094.
7LAO KW, DAIN Y, LIU W G, et al. Hybrid power quality compensator with minimum DC operation volt-age design for high speed traction power systems [ J ]. IEEE Trans. on power electron, 2013, 28, (4) : 2024 - 2036.
