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Control of five-level flying capacitor based active-neutral-point-clamped converter for grid connected wind energy applications

Conference Paper


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Abstract


  • Integration of wind energy sources into the distribution grid affects the voltage profile that could be stabilized through the grid reinforcement or limiting the active power injection. This paper presents a control strategy to regulate the voltage at point of common coupling (PCC) through reactive power exchange to the grid. The reactive power capability of the grid-connected hybrid multilevel converter is based on the voltage sensitivity of the distribution grid at PCC. A hybrid five-level multilevel converter referred as flying capacitor (FC) based active-neutral-point-clamped (ANPC) converter is considered. It is an arrangement of a three-level ANPC converter and a two-level cell. Also, a control strategy is proposed to regulate the FCs voltages of the grid-connected hybrid multilevel converter at their required values. The proposed FC control strategy provides extra freedom to regulate the dc-link capacitor voltages with dc-offset injection technique. Simulation studies demonstrate the performance of the proposed control strategies for the system considered. © 2012 IEEE.

Publication Date


  • 2012

Citation


  • S. R. Pulikanti, K. Muttaqi & D. Soetanto, "Control of five-level flying capacitor based active-neutral-point-clamped converter for grid connected wind energy applications," in Industry Applications Society Annual Meeting (IAS 2012), 2012, pp. 1-9.

Scopus Eid


  • 2-s2.0-84871656559

Ro Full-text Url


  • http://ro.uow.edu.au/cgi/viewcontent.cgi?article=1261&context=eispapers

Ro Metadata Url


  • http://ro.uow.edu.au/eispapers/256

Has Global Citation Frequency


Start Page


  • 1

End Page


  • 9

Place Of Publication


  • USA

Abstract


  • Integration of wind energy sources into the distribution grid affects the voltage profile that could be stabilized through the grid reinforcement or limiting the active power injection. This paper presents a control strategy to regulate the voltage at point of common coupling (PCC) through reactive power exchange to the grid. The reactive power capability of the grid-connected hybrid multilevel converter is based on the voltage sensitivity of the distribution grid at PCC. A hybrid five-level multilevel converter referred as flying capacitor (FC) based active-neutral-point-clamped (ANPC) converter is considered. It is an arrangement of a three-level ANPC converter and a two-level cell. Also, a control strategy is proposed to regulate the FCs voltages of the grid-connected hybrid multilevel converter at their required values. The proposed FC control strategy provides extra freedom to regulate the dc-link capacitor voltages with dc-offset injection technique. Simulation studies demonstrate the performance of the proposed control strategies for the system considered. © 2012 IEEE.

Publication Date


  • 2012

Citation


  • S. R. Pulikanti, K. Muttaqi & D. Soetanto, "Control of five-level flying capacitor based active-neutral-point-clamped converter for grid connected wind energy applications," in Industry Applications Society Annual Meeting (IAS 2012), 2012, pp. 1-9.

Scopus Eid


  • 2-s2.0-84871656559

Ro Full-text Url


  • http://ro.uow.edu.au/cgi/viewcontent.cgi?article=1261&context=eispapers

Ro Metadata Url


  • http://ro.uow.edu.au/eispapers/256

Has Global Citation Frequency


Start Page


  • 1

End Page


  • 9

Place Of Publication


  • USA