Design of a chaos synchronisation-based maximum power tracking controller for a wind-energy-conversion system

This study proposes a maximum power tracking (MPT) controller based on chaos synchronisation (CS) for a wind-energy-conversion system. The output power conversion of a wind generator depends on the wind speed, and therefore the optimal conversion of wind energy can be obtained by a variable-speed va...

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Bibliographic Details
Published in:IET renewable power generation 2014-08, Vol.8 (6), p.590-597
Main Authors: Zhan, Tung-Sheng, Chen, Jian Liung, Chen, Shi-Jaw, Huang, Cong-Hui, Lin, Chia-Hung
Format: Article
Language:English
Subjects:
boost converter
chaos
chaos synchronisation
duty cycle control
incremental conductance
maximum power point trackers
maximum power tracking controller
MPT controller
permanent magnet generators
permanent magnet synchronous generator
power generation control
sensorless controller
sensorless machine control
Sprott system
synchronisation
synchronous generators
variable speed variable frequency model
voltage detector
wind energy conversion system
wind generator
wind power plants
wind speed
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Summary:This study proposes a maximum power tracking (MPT) controller based on chaos synchronisation (CS) for a wind-energy-conversion system. The output power conversion of a wind generator depends on the wind speed, and therefore the optimal conversion of wind energy can be obtained by a variable-speed variable-frequency model. Based on a sensorless controller, CS can express dynamic behaviours by using an incremental conductance to adjust the terminal voltage to the maximum power point. A voltage detector based on the Sprott system is used to track the desired voltage and to control the duty cycle of a boost converter. For a permanent-magnet synchronous generator, the simulation results demonstrate the effectiveness of the proposed MPT controller.
ISSN:1752-1416
1752-1424
1752-1424
DOI:10.1049/iet-rpg.2013.0268