Design of a 10 kV SiC MOSFET-based high-density, high-efficiency, modular medium-voltage power converter
Simultaneously imposed challenges of high-voltage insulation, high dv/dt, high-switching
frequency, fast protection, and thermal management associated with the adoption of 10 kV …
frequency, fast protection, and thermal management associated with the adoption of 10 kV …
Real-time network protocol for gate driver communication and control
Communication inside a power converter could benefit various ways. If established between
a local controller and a gate driver, it creates hardware abstraction, meaning that the …
a local controller and a gate driver, it creates hardware abstraction, meaning that the …
Distributed communication and control architecture for an intelligent power stage
Communication inside a power converter could be beneficial in a variety of ways. It naturally
gives hardware abstraction, meaning that the behavior of power stage terminals is …
gives hardware abstraction, meaning that the behavior of power stage terminals is …
Quadruple-three-phase drive systems and related operating methods for common-mode noise cancellation and DC ripple reduction
The paper proposes airborne quadruple-three-phase power train architectures featuring low
electromagnetic emissions and reduced dc-link ripple current. The paper first identifies the …
electromagnetic emissions and reduced dc-link ripple current. The paper first identifies the …
Asymmetrical DC-DC modular multilevel converter using switching cycle control
Modular Multilevel Converters (MMC) have emerged as an excellent option for medium/high
voltage DC-AC or AC-DC applications due to their unmatched modularity and scalability …
voltage DC-AC or AC-DC applications due to their unmatched modularity and scalability …
Adjustable carrier phase shift operation of switching cycle control for modular multilevel converters
Power-density improvement in Modulator Multilevel Converters (MMCs) has been a major
recent research focus, with submodule (SM) capacitor size/capacitance being an important …
recent research focus, with submodule (SM) capacitor size/capacitance being an important …
Protection Circuitry Design to Mitigate Failure Propagation for 10 kV SiC MOSFETs in a 22 kV DC 13.8 kV AC Flying Capacitor Multilevel Converter
The operation and failure modes of the flying capacitor multilevel converter topology are well-
known and the protections for Si IGBT-based converters are well established. However …
known and the protections for Si IGBT-based converters are well established. However …
Scaling Down Megawatt-Level SSTs: Prototype Design and Performance Evaluation
A Topkil, M Taha, A Walker… - 2024 IEEE Workshop on …, 2024 - ieeexplore.ieee.org
Testing megawatt-level electric vehicle (EV) fast charging stations is challenging due to the
high costs, the need for high voltage sources, and high-power loads. This study introduces a …
high costs, the need for high voltage sources, and high-power loads. This study introduces a …
Dual Switching-cycle Balancing Control for the Modular Multilevel Converters
Modular multilevel converters (MMC) with the conventional control are subject to large
capacitor voltage ripples, especially at low-line-frequencies. It has been proved that by …
capacitor voltage ripples, especially at low-line-frequencies. It has been proved that by …
Enhanced gate-driver techniques and SiC-based power-cell design and assessment for medium-voltage applications
S Mocevic - 2022 - vtechworks.lib.vt.edu
Due to the limitations of silicon (Si), there is a paradigm shift in research focusing on wide-
bandgap-based (WBG) materials. SiC power semiconductors exhibit superiority in terms of …
bandgap-based (WBG) materials. SiC power semiconductors exhibit superiority in terms of …