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Stability enhancement of DFIG wind turbine using LQR pitch control over rated wind speed

conference contribution
posted on 2016-06-01, 00:00 authored by K Islam, W Shen, Apel MahmudApel Mahmud, A Chowdhury, J Zhang
A novel pitch control design method is proposed for the doubly fed induction generator (DFIG) wind turbine (WT) using linear quadratic regulator (LQR). A seven-order model represents the DFIG WT which is linearized by truncated Taylor series expansion. A systematic approach is adopted to determine the weighting matrices in LQR design for the optimal solution. Simulations have been carried out to compare the performance of the proposed LQR pitch control method against a PI pitch control for small and large disturbances. It is shown that the proposed control method enhances low-voltage ride-through capability and improves system damping under large disturbances.

History

Event

IEEE Industrial Electronics and Applications. Conference (11th : 2016 : Hefei, China)

Pagination

1714 - 1719

Publisher

IEEE

Location

Hefei, China

Place of publication

Piscataway, N. J.

Start date

2016-06-05

End date

2016-06-07

ISBN-13

9781467386449

Language

eng

Publication classification

E Conference publication; E1 Full written paper - refereed

Copyright notice

2016, IEEE

Editor/Contributor(s)

[Unknown]

Title of proceedings

ICIEA 2016 : Proceedings of the 11th IEEE Industrial Electronics and Applications Conference

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