K. C. Oliveira, Avaliação da Conversão da Energia Fotovoltaica em Sistemas Isolados, UFPE, 2007.

E. Gubía, P. Sanchis, A. Ursúa, J. López, and L. Marroyo, Ground currents in single-phase transformerless photovoltaic systems, Progress in photovoltaics: Research and Applications, pp.629-650, 2007.
DOI : 10.1002/pip.761

H. Akagi, Y. Kanazawa, and A. Nabae, Instantaneous Reactive Power Compensators Comprising Switching Devices without Energy Storage Components, IEEE Transactions on Industry Applications, vol.20, issue.3, pp.625-630, 1984.
DOI : 10.1109/TIA.1984.4504460

A. Nabae, I. Takahashi, and H. Akagi, A New Neutral-Point-Clamped PWM Inverter, IEEE Transactions on Industry Applications, vol.17, issue.5, pp.518-523, 1981.
DOI : 10.1109/TIA.1981.4503992

C. Rech, H. A. Gründling, H. L. Hey, H. Pinheiro, and J. R. Pinheiro, Uma metodologia de projeto generalizada para inversores multin??veis h??bridos, Sba: Controle & Automa????o Sociedade Brasileira de Automatica, vol.15, issue.2, pp.190-201, 2004.
DOI : 10.1590/S0103-17592004000200008

K. Anuradha, B. P. Muni, and A. D. Kumar, Cascaded Multilevel Converter based DSTATCOM using p-q theory with DC link voltage balancing, 2011 International Conference on Power and Energy Systems, pp.1-6, 2011.
DOI : 10.1109/ICPES.2011.6156689

K. C. Oliveira, M. C. Cavalcanti, J. L. Afonso, A. M. Farias, and F. A. Neves, Transformerless photovoltaic systems using neutral point clamped multilevel inverters, 2010 IEEE International Symposium on Industrial Electronics, pp.1131-1136, 2010.
DOI : 10.1109/ISIE.2010.5636559

M. C. Cavalcanti, A. M. Farias, K. C. Oliveira, F. A. Neves, and J. Afonso, Eliminating Leakage Currents in Neutral Point Clamped Inverters for Photovoltaic Systems, IEEE Transactions on Industrial Electronics, vol.59, issue.1, pp.435-443, 2012.
DOI : 10.1109/TIE.2011.2138671

J. Lai, Fang Zheng Peng: Multilevel converters-a new breed of power converters, Thirtieth IAS Annual Meeting Industry Applications Conference (IAS) Conference Record of the 1995 IEEE, pp.2348-2356, 1995.