NDLI: Model-based fault detection of gain and offset faults in Doubly Fed Induction Generators

Content Provider	IEEE Xplore Digital Library
Author	Rothenhagen, K. Fuchs, F.W.
Copyright Year	2009
Description	Author affiliation: Institute of Power Electronics and Electrical Drives, University of Kiel, and is now with Converteam GmbH, Berlin (Rothenhagen, K.) \|\| Institute of Power Electronics and Electrical Drives, University of Kiel, Germany (Fuchs, F.W.)
Abstract	Fault tolerance is gaining interest as a means to increase the reliability and availability of distributed energy systems. In this paper, a voltage-oriented Doubly-Fed Induction Generator is examined. This work applies formerly developped model based sensor fault tolerant control methods to gain and offset faults. For that reason, saturation is modelled. Fault detection is triggered by residuals. Fault isolation determines the faulty sensor. Replacement signals from observers are used to reconfigure the drive and re-enter closed loop control. While model based FDI for these faults is generally possible, it requires the fault to be large enough to be detectable.
Starting Page	1
Ending Page	6
File Size	2265633
Page Count	6
File Format	PDF
ISBN	9781424434411
DOI	10.1109/DEMPED.2009.5292752
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-08-31
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Pulse width modulation inverters Inductance Parameter estimation Fault detection Induction generators Voltage Stators Observers Iron State-space methods AC generators State estimation
Content Type	Text
Resource Type	Article

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