1Senini S, Wolfs P J. Analysis and Design of a Multiple-loop Control System for a Hybrid Active Filter [J]. IEEE Trans on Industrial Electronics, 2002: 1283-1292.
2Wanjun Lei, Yue Wang, et al. "Development of a 3MVA/6kV Advance Power Quality Controller for Substations". Power Electronics Specialist Conference, PESC'06. 37th IEEE, 18-22 June 2006, pp.1-5.
3Nabae A, Yamaguchi M. Suppression of flicker in an arc-furnace supply system by an active capacitance-a novel voltage stabilizer in power system [J]. IEEE Trans. on Industry Application, 1995, 31(1):107-111.