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The Influence of Grounding Configuration in a Full Conversion Wind Generator Under Internal Faults

Wind generation growth reflects the need to standardize and revise the wind generator protection schemes. Regarding the full variable-speed wind turbine, this paper proposes an impact analysis of the grounding configuration in fault current behavior, in order to assist and standardize the future protection adjustment. A real time digital simulator was used to extract the internal fault oscillographs. Results show that the grounding configuration of a grid-side transformer, converter and generator influence the system fault behavior, which may affect the system protection.

Author(s):

Rodrigo Pavanello Bataglioli    
São Carlos School of Engineering, University of São Paulo
Brazil

Renato Machado Monaro    
Polytechnic School, University of São Paulo
Brazil

Vinícius Albernaz Lacerda Freitas    
São Carlos School of Engineering, University of São Paulo
Brazil

Denis Vinicius Coury    
São Carlos School of Engineering, University of São Paulo
Brazil

 

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