1. EURELECTRIC: Power Quality in European Electricity Supply Networks (2003)
2. Akagi, H.: New trends in active filters for power conditioning. IEEE Trans. Ind. Appl. 32, 1312–1322 (1996)
3. Akagi, H., Watanabe, E.H., Aredes, M.: Instantaneous Power Theory and Applications to Power Conditioning. John Wiley & Sons Inc., Hoboken (2007)
4. Rashid, M.H. (ed.) Power Electronics Handbook. Elsevier (2011)
5. Amaro, N., Murta Pina, J., Martins, J., Ceballos, J.M.: SUPERCONDUCTING MAGNETIC ENERGY STORAGE - A Technological Contribute to Smart Grid Concept Implementation. In: Proceedings of the 1st International Conference on Smart Grids and Green IT Systems, pp. 113–120. SciTePress - Science and and Technology Publications (2012)