Investigation of a new alternate arm modular multilevel converter topology for HVDC applications

D Woldegiorgis, A Mantooth - 2021 IEEE Energy Conversion …, 2021 - ieeexplore.ieee.org
This paper introduces an improved hybrid voltage source converter topology that belongs to
the alternate arm converter topologies family proposed for HVDC applications. It constitutes …

A new hybrid voltage source converter with reduced active switch count for HVDC applications

D Woldegiorgis, HA Mantooth - IEEE Transactions on Energy …, 2021 - ieeexplore.ieee.org
This paper presents a new hybrid voltage source converter topology with reduced active
switch count for HVDC applications. It consists of a block of switches in the upper converter …

Arm Energy Investigation and Submodule Capacitor Sizing for the Asymmetric Alternate Arm Converter Topology

D Woldegiorgis, HA Mantooth - CPSS Transactions on Power …, 2023 - ieeexplore.ieee.org
This paper presents the arm energy model and submodule capacitance sizing of the
asymmetric alternate arm converter (AAAC) topology that has been recently proposed for …

Model Predictive Current Control of Four-Level Inverter and Modulation With Two Capacotors

Y Zhang, B Hu, X Luo, X Qin… - 2024 IEEE 10th …, 2024 - ieeexplore.ieee.org
This paper proposes a three-phase four-level inverter topology that improves on the original
ANPC inverter by generating four voltage levels using only two capacitors. The proposed …

Converter Arm Energy Model and Submodule Capacitor Sizing for the Asymmetric Alternate Arm Converter Topology

D Woldegiorgis, HA Mantooth - 2022 IEEE 13th International …, 2022 - ieeexplore.ieee.org
This paper presents the converter arm energy model and submodule capacitor sizing
procedure of the Asymmetric Alternate Arm Converter (AAAC) topology which was recently …

High Power Density and High Efficiency Converter Topologies for Renewable Energy Conversion and EV Applications

DL Woldegiorgis - 2022 - search.proquest.com
This dissertation work presents two novel converter topologies (a three-level ANPC inverter
utilizing hybrid Si/SiC switches and an Asymmetric Alternate Arm Converter (AAAC) …

An HVDC inverter based on the Asymmetric Alternate Arm Converter with thyristor valves

DS Sanchez, R Peña, L Flores… - IECON 2021–47th …, 2021 - ieeexplore.ieee.org
The Modular Multilevel Converter (MMC) is one of the most practical topologies for
integration of renewable energy power plants into the grid, through submarine HVDC cables …