A Control Strategy for a Three-Phase Four-Wire Shunt Active Filter By Ferreira, Filipe; Monteiro, Luis; Afonso, Joao L.; Couto, Carlos; IEEE Iecon 2008: 34th Annual Conference of the Ieee Industrial Electronics Society, Vols 1-5, Proceedings 2008 Abstract No abstract available. ALGORITMI Members Carlos Alberto Caridade Monteiro Couto