1. Azpiazu. L. Voltage and Current Conditioner for Distribution Networks Reconfigurable to U.P.S., CIRED, Birmingham. U.K., 17–21 Mayo, 1993.
2. Barrer, F. et al.: Anàlisis en Frecuencia de un Troceador de CA. para Filtro Activo, I Jornadas Luso-Espanholas de Engenharia Electrotéenica, Coimbra. 3–56 Jul. 1991.
3. Boost, M. and Ziogas, Ph. D.: Stage of the Art PWM Techiques; A Critical Evaluation, IEEE, PESC. 1986.
4. Barrcro. F. and Martinez, S.: Power Quality Data Base, IEEE, IAS, Static Power Converter Committee, 2nd Meeting, Valencia (Spain). 22–23 May, 1992.
5. Gretsch. R. and Dinkel. G.; A New Power Conditioner Capable of Compensating Harmonics and Reactive Power, 1989, CIRED.