NDLI: A space vector-based current controller for doubly fed induction generators

Content Provider	IEEE Xplore Digital Library
Author	Mohseni, M. Islam, S.
Copyright Year	2009
Description	Author affiliation: Department of Electrical and Computer Engineering, Syed Islam Curtin University of Technology, WA, Australia (Mohseni, M.)
Abstract	This paper presents the implementation of a space vector-based hysteresis current controller for the DFIG-based wind generator. The stator voltage-oriented reference frame is adopted for the DFIG modelling and control since the performance of the stator flux-oriented reference frame, as the most commonly used reference frame, is highly dependent on the accurate detection of the flux vector position. A vector-based hysteresis current controller with 3-level hysteresis comparators is utilized to regulate the current in the rotor side inverter (RSI). In contrast to ramp comparison current controller with PI regulators, the proposed current controller exhibits excellent transient performance using a simple control structure. This very fast tracking behaviour justifies the modelling of the RSI as a controlled current source, which significantly simplifies the DFIG modelling and control. The steady-state performance of the hysteresis current controller, on the other hand, is considerably improved by reducing the RSI switching frequency and minimizing oscillations in the RSI output current. Simulation studies are carried out for a 1.5-MW DFIG system to validate the proposed modeling and control method.
Starting Page	3868
Ending Page	3873
File Size	674279
Page Count	6
File Format	PDF
ISBN	9781424446483
ISSN	1553572X
e-ISBN	9781424446506
DOI	10.1109/IECON.2009.5415379
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-11-03
Publisher Place	Portugal
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Induction generators Stators Rotors Wind energy generation Hysteresis Inverters Voltage Space technology Regulators Control systems
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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