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Reconfigurable control and converter topology for wind energy conversion systems with switch failure fault tolerance capability

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3 Author(s)
Gaillard, A. ; GREEN, Nancy Univ., Vandoeuvre les Nancy, France ; Poure, P. ; Saadate, S.

This paper deals with reconfigurable control associated with switch failure fault tolerant converter topology for Wind Energy Conversion Systems (WECS). A typical WECS with Doubly Fed Induction Generator (DFIG) is concerned. A converter topology without any redundancy is studied. This fault tolerant topology becomes a ldquofive-legrdquo structure after switch failure detection and converter reconfiguration. Consequently, the same control strategy can no more be applied after fault occurrence and a ldquofive-legrdquo control strategy is proposed. The validation of the reconfigurable digital controller for the studied WECS with DFIG topology has been performed using a Hardware-in-the-Loop (HIL) reconfigurable platform including a Field Programmable Gate Array (FPGA) chip. ldquoFPGA in the looprdquo results are presented to show simultaneously the viability of the studied converter topology and of the reconfigurable control.

Published in:

Energy Conversion Congress and Exposition, 2009. ECCE 2009. IEEE

Date of Conference:

20-24 Sept. 2009