A Fast Simulation Model of Modular Multilevel Converter with Dead Time Effect

Zi-jie WANG, Han-yin LIU

Abstract


In China, the project of HVDC transmission is under comprehensive planning and many projects have been put into operation. However, conventional models of MMC did not achieve the dead time effect of MMC which influences the harmonic component of arm current. In this paper, the dead time effect of MMC is firstly analyzed and then the fast simulation model is proposed. Fast simulation models and reference models were built on the MATLAB platform to validate the accuracy, advantage and speed of proposed model. The result shows.

Keywords


Modular multilevel converter, Equivalent circuit, Multi-rate simulation strategy, Dead time effect


DOI
10.12783/dtcse/pcmm2018/23680

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