A Comparision of Sensorless Control Strategies of Doubly Fed Induction Generator

Decoupled control has been widely used in the DIFG (doubly fed induction generator) which needs the rotor position as well as the rotor speed for the control system. A lot of research has been done in the sensorless control field for the DFIG because of the disadvantages of the speed sensor. Three r...

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Bibliographic Details
Main Authors: Xin Hao, Chong Wei Zhang, Xing Zhang
Format: Conference Proceeding
Language:English
Subjects:
Control systems
Decoupled Control
Doubly Fed Induction Generator(DFIG)
Equations
Induction generators
Magnetic flux
MRAS
PI adjustor
Rotor position
Rotor speed
Rotors
Sensor systems
Sensorless control
Stators
Wind energy
Wind farms
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Summary:Decoupled control has been widely used in the DIFG (doubly fed induction generator) which needs the rotor position as well as the rotor speed for the control system. A lot of research has been done in the sensorless control field for the DFIG because of the disadvantages of the speed sensor. Three representative sensorless control strategies are considered in this paper and they are compared in terms of their performances and speed tracking capability in different conditions.
DOI:10.1109/ICEET.2009.237