Megawatt wind energy conversion system with diode rectifier and multilevel current source inverter

2011 ◽  
Author(s):  
Jiacheng Wang ◽  
Jingya Dai ◽  
Bin Wu ◽  
Dewei Xu ◽  
Navid R. Zargari
Keyword(s):  
Wind Energy ◽  
Energy Conversion ◽  
Current Source ◽  
Wind Energy Conversion System ◽  
Wind Energy Conversion ◽  
Current Source Inverter ◽  
Conversion System ◽  
Energy Conversion System

MPPT Control for Current Source Converter Based PMSG Wind Energy Conversion System

2012 ◽  
Vol 614-615 ◽  
pp. 1460-1464
Author(s):  
Jian Yu Bao ◽  
Wei Bing Bao ◽  
Jie Gong
Keyword(s):  
Wind Energy ◽  
Energy Conversion ◽  
Current Source ◽  
Maximum Power ◽  
Wind Energy Conversion System ◽  
Wind Energy Conversion ◽  
Current Source Converter ◽  
Conversion System ◽  
Energy Conversion System ◽  
Variable Wind

Current source converter (CSC) configuration tailored to high-power grid-connected wind energy conversion system (WECS) has been an attractive solution for direct drive of permanent magnet synchronous generators (PMSGs). A maximum power point tracking (MPPT) scheme for a PMSG-based WECS is presented in this paper. On the generator side, a fully controlled current source converter is inserted as a circuit interface to handle a wide range of the variable wind speeds. Rectifier side controller extracts maximum power through closed-loop regulation of generator speed. The available maximum power fed to the grid is adjusted by regulating dc-link output current of CSC according to the variable wind speed. Simulation results obtained from a megawatt PSIM model are provided to verify the proposed concepts.

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