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The aim is to introduce a secondary power loop to enhance charge balance in modular multilevel converters.

The Multilevel Modular DC Converter

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Randomized trial proposes two modular multilevel topologies for dc applications, indicating improved power exchange efficiency.

The aim is to introduce a secondary power loop to enhance charge balance in modular multilevel converters.
Proposed two topologies: tuned filter modular multilevel dc converter and push-pull modular multilevel dc converter.
Analyzed the operation of the push-pull converter using analytical simulation.
Explained the principle of power exchange through orthogonality at different frequencies.
The new modular topologies effectively enhance charge balancing capabilities.
Power exchange efficiencies improved compared to traditional converters.
Demonstrated the functionality through detailed analytical simulations.

J.A. Ferreira (2013) studied this question.

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