Title :
An enhanced modulator concept for the Modular Multilevel Converter
Author :
Schroeder, M. ; Henninger, Stefan ; Jaeger, Johann ; Rasic, Andreja ; Rubenbauer, Hubert ; Lang, Tobias
Author_Institution :
Electr. Energy Syst., Univ. of Erlangen-Nuremberg, Nuremberg, Germany
Abstract :
This paper deals with an enhanced modulator concept for the Modular Multilevel Converter. Based on an overview on existing concepts including module sorting algorithms and measurement results from a hardware-setup in laboratory, a new concept is developed. Measurement results of the implemented new algorithm for module selection and capacitor energy balancing in various operating points of the converter are presented and analyzed in detail. This elaboration is completed with a classification of the suggested modulator concept compared to established concepts.
Keywords :
power capacitors; power convertors; capacitor energy balancing; enhanced modulator concept; hardware-setup; modular multilevel converter; module selection; module sorting algorithms; Capacitors; Current measurement; Insulated gate bipolar transistors; Modulation; Sorting; Switches; Voltage measurement; Modulation strategy; Multilevel converter; Pulse Width Modulation;
Conference_Titel :
Power Electronics and Applications (EPE'14-ECCE Europe), 2014 16th European Conference on
Conference_Location :
Lappeenranta
DOI :
10.1109/EPE.2014.6910853
