1. Morán L, Dixon J, Espinoza J, Wallace R. Using active power filters to improve power quality. In: 5th Brazilian power electronics conference, COBEP’99; 19–23 September 1999. p. 501–11.
2. A single-phase active power filter with one-cycle control under unipolar operation;Qiao;IEEE Trans Circ Syst,2004
3. Marques HS, Anunciada A. A new hybrid active power filter topology enabling low voltage switching devices and storage capacitors. In: Proceedings of the IEEE power electronics specialists conference – PESC, Recife, Brazil, vol. 1; September 2005. p. 1935–40.
4. Marques HS, Anunciada A. A pioneering, reference free, APF control strategy applied to an ultra-low DC-bus voltage topology. In: Proceedings of the power conversion intelligent motion – PCIM, Nurnberg, Germany, vol. I-2007; May 2007. p. 1–6.
5. New trends in active filters for power conditioning;Hirofumi;IEEE Trans Ind Appl,1996