Unified Control for Generator-Side Converter of Multibrid Wind Power Generation System

Author

Liu Guangchen ; Wang Shengtie ; Zhang Hong ; Wang Bo

Author_Institution

Fac. of Electr. Power, Inner Mongolia Univ. of Technol., Hohhot, China

fYear

2012

fDate

27-29 March 2012

Firstpage

1

Lastpage

5

Abstract

Multibrid wind power generation system (MWPGS) has aroused more and more attention for its high energy conversion efficiency, high reliability, and flexible grid-connected power control. In order to capture maximum power from wind during wind speeds below-rated and enhance its security and reliability during wind speeds above-rated, a unified control strategy for MWPGS´s generator-side converter is developed, which incorporates speed control, the improved hill-climb searching (HCS) control with a fuzzy logic controller(FLC) and pitch control. Simulation of control performance for MWPGS´s generator-side converter is carried out in Matlab/Simulink, and the results verify the correctness and feasibility of the unified control strategy proposed in this paper.

Keywords

AC generators; angular velocity control; energy conservation; fuzzy control; power control; power convertors; power generation control; power grids; wind power plants; FLC; MWPGS generator-side converter; Matlab-Simulink; energy conversion efficiency; flexible grid-connected power control; fuzzy logic controller; generator-side converter; improved HCS control; improved hill-climb searching control; multibrid wind power generation system; pitch control; reliability; reliability enhancement; security enhancement; speed control; unified control strategy; wind speeds; Control systems; Generators; Mathematical model; Rotors; Wind speed; Wind turbines;

fLanguage

English

Publisher

ieee

Conference_Titel

Power and Energy Engineering Conference (APPEEC), 2012 Asia-Pacific

Conference_Location

Shanghai

ISSN

2157-4839

Print_ISBN

978-1-4577-0545-8

Type

conf

DOI

10.1109/APPEEC.2012.6307128

Filename

6307128