Hi,
what may be the possible topological changes in a switched capacitor modular multilevel dc-dc boost converter, for improving its dynamic performance. The modular multilevel dc-dc converter is having one RHP Zero in its output voltage to duty transfer function and it has inductors on both input and output side.
Also suggest me when to go with coupling inductors and RC damping leg insertion in a dc-dc converter for improving its dynamics?
Namaste Varun Chitransh,
MMI (Modular Multi level Inverter) has been intensively researched, developed, and valuated against many features like high modularity, simple scalability, low expense of filters, robust control, simple in design and redundancy.
Regarding your question, I would like to share one IEEE article, "A Bidirectional Modular Multilevel DC–DC Converter of Triangular Structure" by Kia Filsoof, Student Member, IEEE, and Peter W. Lehn, Senior Member, IEEE. The authors of that article proposed the Triangular Modular Multilevel dc-dc Converter (TMMC). It can provide the localized control of modules which enhances the converter’s dynamic performance and design flexibility.
In it, Applicability of the topology is experimentally validated through a 1.7-kW implementation of the two-level TMMC with measured efficiencies of 95.9% and 96.2% in step-up and step-down operations, respectively. Through interleaved operation, the output voltage and input current ripples of the TMMC are shown to achieve a reduction of 38% and 49%, respectively.
You can study more details in the attached link.
All the Best!
http://www.ele.utoronto.ca/wp/wp-content/uploads/2014/11/K_Filsoof-J41.pdf
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