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The Impact of Modular Multilevel Converter Control on DC Short-Circuit Currents of HVDC Systems

Since each MMC control technique changes the state of submodules differently, this could result in different characteristics of the fault current. Thus, this paper presents a comparative analysis of the influence of control techniques on the characteristics of the DC fault current of MMC-HVDC systems. The analyses were performed by simulating a two-terminal MMC-HVDC system. The results are presented graphically by comparing the different techniques within each MMC control system.

Author(s):

Vinícius Lacerda    
University of São Paulo
Brazil

Nayara Suzuki    
University of São Paulo
Brazil

Denis Coury    
University of São Paulo
Brazil

Renato Monaro    
University of São Paulo
Brazil

 

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