Analysis and Simulation of a 6 kV, 6 MVA Modular Multilevel Converter

Abstract
This paper describes the principle of operation of the modular multilevel converter (M2C) and presents a new PWM scheme which can be applied for an arbitrary number of voltage levels. Simulation results are presented for a 6 kV, 6.24 MVA converter. Particular attention is paid to the converter specific phenomenon of circulating currents.

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