4VERDELHO P, MARQUES G D. Four wire active power filter control circuit with phase locked loop phase angle determination// Proceedings of IEE Seventh International Conference on Power Electronics and Variable Speed Drives, September 21-23,1998, London, UK: 34-39.
5JOU Hurng-liahng, WU Jinn-ehang, WU Kuen-der, et al. Analysis of zig-zag transformer applying in the three-phase fourwire distribution power system. IEEE Trans on Power Delivery, 2005, 20(2) : 1168-1173.
6SYAFRUDIN M, HADZER C M, SUTANTO J. Zerosequence harmonics current minimization using zero-blocking transformer and shunt LC passive filters// Proceedings of IEEE International Conference on Power System Technology, October 13-17, 2002, Kunming, China: 116-120.
9Del Rosso A D, Cafiizares C A., Dofia V M. A study of TCSC controller design for power system stabilityimprovement[J]. IEEE Trans on Power Systems, 2003, 18(4): 1487-1496.
10Miske S A. Considerations for the application of series capacitors to radial power distribution circuits[J]. IEEE Trans on Power Delivery, 2001, 16(2).
