Design and implementation of PI controllers of direct drive PMSG wind turbine system tuned by Linearized biogeography-based optimization technique

2016 ◽  
Author(s):  
H. M. Yassin ◽  
H. H. Hanafy ◽  
Mohab M. Hallouda
Keyword(s):  
Wind Turbine ◽  
Optimization Technique ◽  
Direct Drive ◽  
Design And Implementation ◽  
Wind Turbine System ◽  
Pi Controllers

Robust CRONE Design for a Variable Ratio Planetary Gearing in a Variable Speed Wind Turbine

2011 ◽  
Author(s):  
Benjamin Feytout ◽  
Patrick Lanusse ◽  
Jocelyn Sabatier ◽  
Serge Gracia
Keyword(s):  
Robust Control ◽  
Wind Turbine ◽  
Synchronous Generator ◽  
Variable Ratio ◽  
Variable Speed ◽  
Direct Drive ◽  
Variable Speed Wind Turbine ◽  
Pi Controllers ◽  
Control Methodology ◽  
Full Conversion

Most wind turbines installed have traditional architectures: double-fed asynchronous machine or direct drive with full conversion, both containing several levels of control composed of PI controllers. In our application, a robust 3rd-generation-CRONE controller is used to manage a planetary gearing ratio upstream of a synchronous generator directly connected to the grid. Thus, the speed of the low shaft is controlled and unlike other architectures, no system of power electronics is required for conversion. This CRONE approach is a robust control methodology based on fractional order differentiation.

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