Robust stator currents sensorless control of stator powers for wind generator based on DFIG and matrix converter

Robust stator currents sensorless control of stator powers for wind generator based on DFIG and... A wind energy conversion system (WECS) based on doubly fed induction generator (DFIG) and matrix converter is presented. We developed a new robust control law for the active and reactive stator powers with sensorless stator current, contrary to control methods given in the literature where all stator and rotor currents are necessary. The rotor flux and stator powers, required to control the DFIG, are determined through the proposed sliding-mode observer. Three main benefits come out of our law including robustness, low cost and the possibility of supervising the converter through rotor current measurements. Simulations of the considered WECS are carried out, for different operating points, to highlight the performances of the proposed system. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Electrical Engineering (Archiv fur Elektrotechnik) Springer Journals

Robust stator currents sensorless control of stator powers for wind generator based on DFIG and matrix converter

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Publisher
Springer Berlin Heidelberg
Copyright
Copyright © 2016 by Springer-Verlag Berlin Heidelberg
Subject
Engineering; Electrical Engineering; Power Electronics, Electrical Machines and Networks; Energy Economics
ISSN
0948-7921
eISSN
1432-0487
D.O.I.
10.1007/s00202-016-0468-0
Publisher site
See Article on Publisher Site

Abstract

A wind energy conversion system (WECS) based on doubly fed induction generator (DFIG) and matrix converter is presented. We developed a new robust control law for the active and reactive stator powers with sensorless stator current, contrary to control methods given in the literature where all stator and rotor currents are necessary. The rotor flux and stator powers, required to control the DFIG, are determined through the proposed sliding-mode observer. Three main benefits come out of our law including robustness, low cost and the possibility of supervising the converter through rotor current measurements. Simulations of the considered WECS are carried out, for different operating points, to highlight the performances of the proposed system.

Journal

Electrical Engineering (Archiv fur Elektrotechnik)Springer Journals

Published: Nov 9, 2016

References

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