Integrated Photovoltaic and Dynamic Voltage Restorer System Configuration

Abdul Mannan Rauf, Vinod Khadkikar

Research output: Contribution to journalArticlepeer-review

77 Scopus citations


This paper presents a new system configuration for integrating a grid-connected photovoltaic (PV) system together with a self-supported dynamic voltage restorer (DVR). The proposed system termed as a "six-port converter," consists of nine semiconductor switches in total. The proposed configuration retains all the essential features of normal PV and DVR systems while reducing the overall switch count from twelve to nine. In addition, the dual functionality feature significantly enhances the system robustness against severe symmetrical/asymmetrical grid faults and voltage dips. A detailed study on all the possible operational modes of six-port converter is presented. An appropriate control algorithm is developed and the validity of the proposed configuration is verified through extensive simulation as well as experimental studies under different operating conditions.

Original languageBritish English
Article number7018088
Pages (from-to)400-410
Number of pages11
JournalIEEE Transactions on Sustainable Energy
Issue number2
StatePublished - 1 Apr 2015


  • Bidirectional power flow
  • distributed power generation
  • photovoltaic (PV) systems
  • power quality
  • voltage control


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