A sensorless control strategy for automatic start‐up and grid‐synchronization of doubly fed induction generator in wind energy conversion system
Sheshadri Shekhar Rauth,
Debaprasad Kastha,
Prabodh Bajpai
Abstract:SummaryIn a wind energy conversion system (WECS) based on a doubly fed induction generator (DFIG), a fast and smooth automatic synchronization of the DFIG with the utility grid is always desirable. Additionally, elimination of the need for a speed encoder makes the synchronization process much more reliable. This paper proposes a modified voltage controller‐based automatic grid‐synchronization strategy for the DFIG‐WECS using a rotor‐current‐dependent model‐reference‐adaptive‐system (MRAS) for rotor‐speed/posi… Show more
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