1. (1) F. Blaabjerg, R. Teodorescu, M. Liserre, and A. V. Timbus: “Overview of Control and Grid Synchronization for Distributed Power Generation Systems”, IEEE Trans. on Industrial Electronics, Vol. 53, No. 5, pp. 1398-1409 (2006)
2. (2) E. Koutroulis and F. Blaabjerg: “Design Optimization of Transformerless Grid-Connected PV Inverters Including Reliability”, IEEE Trans. on Power Electronics, Vol. 28, No. 1, pp. 325-335 (2013)
3. (3) J. V. Appen, Stetz, M. Braun, and A. Schmiegel: “Local Voltage Control Strategies for PV Storage Systems in Distribution Grids”, IEEE Trans. on Smart Grid, Vol. 5, No2, pp. 1002-1009 (2014)
4. (4) P. M. Carvalho, P. F. Correia, and L. A. Ferreira: “Distributed reactive power generation control for voltage rise mitigation in dist. Networks”, IEEE Trans. Power Syst., Vol. 23, pp. 766-772 (2008)
5. (5) S. Suzuki, S. Maeshima, K. Morino, E. Shimoda, H. Sugihara, and T. Esaki: “Site Test in Micro-Grid into which a large amount of PV power generation system are introduced”, Te 2008 Annual Conference of Power and Energy Society, IEEJ, No. 166, pp. 11-12 (2008)