TITLE

ADVANCED CONTROL TECHNIQUES IN VARIABLE SPEED STAND ALONE WIND TURBINE SYSTEM

AUTHOR(S)
Deve, V. Sharmila; Karthiga, S.
PUB. DATE
March 2012
SOURCE
International Journal of Advances in Engineering & Technology;Mar2012, Vol. 3 Issue 1, p549
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
This project presents an advanced control strategy for the operation of a direct-drive synchronous generator-based stand-alone variable-speed wind turbine. The control strategy for the generator-side converter with maximum power extraction is presented. The stand-alone control featured is constant output voltage and frequency that is capable of delivering to variable load. The potential excess of power is dissipated. The PI controller in switch mode rectifier can be replaced with fuzzy control technique to improve the output voltage level. The simulation results show this control strategy gives better regulating voltage and frequency under sudden varying load conditions. Dynamic representation of dc bus and small signal analysis are presented. The dynamic controller shows very good performance.
ACCESSION #
73179350

 

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