DFIG-Based Wind-Power Generation System with Series Grid-Side Converter Control under Unbalanced Grid Voltage

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Provided by: International Journal of Innovative Research in Electrical, Electronics, Instrumentation and Control Engineering (IJIREEICE)
Topic: Hardware
Format: PDF
In this paper, the authors present greater value to control a Doubly Fed Induction Generator (DFIG) - based wind power complete persons living time system with Series Grid Side Changer (SGSC) under unbalanced network conditions. The behaviors of the DFIG system with SGSC during voltage unbalance are described by injecting a series control voltage produced from the SGSC. To balance the stator voltage against effects of voltage unbalance upon the DFIG such as stator and rotor current unbalances electromagnetic torque and power pulsations can be removed, and then the conventional vector control strategy for the rotor-side converter remains in full force under unbalanced conditions.
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