Flexible Control of Photovoltaic Grid-Connected Cascaded H-Bridge Converters during Unbalanced Voltage Sags

• Main Authors: Dehghani Tafti, Hossein, Maswood, Ali Iftekhar, Konstantinou, Georgios, Townsend, Christopher David, Acuna, Pablo, Pou, Josep
• Other Authors: School of Electrical and Electronic Engineering
• Format: Article
• Language: English
• Published: 2018
• Subjects: Photovoltaic Systems; Multilevel Converter
• Online Access: https://hdl.handle.net/10356/86848; http://hdl.handle.net/10220/44243
• Institution: Nanyang Technological University

Multilevel cascade H-bridge (CHB) converters are one of the promising solutions for medium- and large-scale grid-connected photovoltaic power plants. However, there is a lack of a complete study about their operation during voltage sags. This paper proposes a flexible control strategy for the operat...