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Cell Design of a Square-Wave Powered 1AC-3AC Modular Multilevel Converter Low Voltage Prototype

Cell Design of a Square-Wave Powered 1AC-3AC Modular Multilevel Converter Low Voltage Prototype
Autor:

Mathias Schnarrenberger, Felix Kammerer, Dennis Bräckle, Michael Braun

Links:
Quelle:

Power Electronics and Applications (EPE'16 ECCE Europe)

Datum: 05.09.2016-09.09.2016

Abstract

This paper presents a novel design calculation scheme for low voltage Modular Multilevel Converters. One of the most important design values is to estimate the lifetime of the electrolytic cell capacitor. Therefore, a novel calculation method for the arm capacitor root mean square current is presented. Additionally, a new algorithm to estimate the power losses without a detailed simulation of the switching events is introduced. The results from these calculations are used to construct a low voltage Modular Multilevel Converter with 8 cells per arm.