A novel scheme to connect wind turbines to the power grid

Nitin Joshi, Ned Mohan

Research output: Contribution to journalArticlepeer-review

40 Scopus citations


In this paper, a new scheme is proposed to connect wind turbines to the power grid. This scheme helps in limiting the fault currents as well as in voltage unbalance compensation. Voltage is injected in series with the transmission line to limit the fault currents as well as to balance the voltages. This scheme allows wind turbines to remain synchronized to the grid during faults or during low voltages and is useful for doubly fed as well as squirrel cage induction generators.

Original languageEnglish (US)
Pages (from-to)504-510
Number of pages7
JournalIEEE Transactions on Energy Conversion
Issue number2
StatePublished - 2009

Bibliographical note

Funding Information:
Manuscript received July 12, 2006; revised April 22, 2007. Current version published May 19, 2009. This work was supported by the National Science Foundation under Grant ECS-0245550. Paper no. TEC-00344-2006. The authors are with the Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, MN 55455 USA (e-mail: nitin.science@gmail.com). Digital Object Identifier 10.1109/TEC.2008.926040

Copyright 2009 Elsevier B.V., All rights reserved.


  • Doubly fed induction generators (DFIGs)
  • Fault current limitation
  • Voltage unbalance compensation

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