AJAYI-OBE, Akinola A.; KHAN, Mohamed A.  e  BARENDSE, Paul S.. Techno-economic evaluation of five-level nested neutral point clamped converter topology for transformer-less connection of high-power wind energy conversion systems. J. energy South. Afr. [online]. 2019, vol.30, n.3, pp.33-43. ISSN 2413-3051.