Publications associées à Multiobjective Vector Modulation for Improved Control of NPC-Based Multi-Source Inverters in Hybrid Traction Systems

MMC-based conversion for MVDC applications

In recent years, DC grids have gained momentum due to the advantages they display over their AC counterparts. For instance, high voltage DC grids have been established as the most prominent solution in the underwater power transmission or interconnection o ...

EPFL2020

Design Optimization of Two-Quadrant High-Current Low-Voltage Power Supply

Drazen Dujic, Émilien Luc Henri Coulinge, Serge Pittet

The high-current delivered by a dedicated power supply is the condicio sine qua non to obtain the strong magnetic field produced by superconducting magnets. The end goal of such power supply is to control the current, very precisely, across this distinctiv ...

2020

Design Optimization of Two-Quadrant High-Current Low-Voltage Power Supply

Drazen Dujic, Serge Pittet

The high-current delivered by a dedicated power supply is the condicio sine qua non to obtain the strong magnetic field produced by superconducting magnets. The end goal of such power supply is to control the current, very precisely, across this distinctiv ...

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2020

On-Chip Fully Integrated Field Emission Arrays for High-Voltage MEMS Applications

Vivek Subramanian

Vacuum-sealed fully integrated diode and triode field emission arrays based on Ti Spindt-type field emitters have been developed in a scalable, CMOS-compatible process directly on Si. Diode characterization in air demonstrates effective vacuum sealing and ...

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2020

Smooth Power Direction Transition of a Bidirectional LLC Resonant Converter for DC Transformer Applications

Drazen Dujic, Jakub Kucka

The bidirectional LLC resonant converter operated at fixed switching frequency is a preferable candidate for a true dc transformer that does not actively control the power flow. This is due to its naturally stiff voltage ratio regardless of the imposed loa ...

2020

Efficient High Step-up Operation in Boost Converters Based on Impulse Rectification

Elison de Nazareth Matioli, Armin Jafari, Palliyage Srilak Nirmana Perera

Conventional boost converters, while having a high level of simplicity and robustness, are known to have poor efficiency at high step-up regime. More complicated topologies have been extensively explored to increase the step-up ratio while keeping a high-e ...

2020

Flexible Medium Voltage DC Source Utilizing Series Connected Modular Multilevel Converters

Drazen Dujic, Stefan Milovanovic, Milan Utvic

This paper presents the converter configuration acting as a medium voltage DC source. In order to obtain desired voltage across the DC terminals, two series connected modular multilevel converters are used. The use of modular multilevel converters results ...

2019

Flexible Medium Voltage DC Source Utilizing Series Connected Modular Multilevel Converters

Drazen Dujic, Stefan Milovanovic, Milan Utvic

This paper presents the converter configuration acting as a medium voltage DC source. In order to obtain desired voltage across the DC terminals, two series connected modular multilevel converters are used. The use of modular multilevel converters results ...

IEEE2019

Enhanced DAB for Efficiency Preservation using Adjustable-Tap High-Frequency Transformer

Elison de Nazareth Matioli, Armin Jafari, Furkan Karakaya

Efficient DC-DC power-conversion with wide-span voltage-regulation is crucial to a sustainable and robust power electronics system. Dual-active-bridge (DAB) offers straight-forward regulation and its transformer enables voltage step-up/down required for ma ...

2019

A Fast-Dynamic Unipolar Switching Control Scheme for Single-Phase Inverters in DC Microgrids

Nicolai Hildebrandt

This paper presents the digital implementation of a boundary controller with unipolar switching characteristic for single-phase voltage source full-bridge inverters. This paper expands the application of a second-order switching surface-based control metho ...

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2019

Multiobjective Vector Modulation for Improved Control of NPC-Based Multi-Source Inverters in Hybrid Traction Systems

MMC-based conversion for MVDC applications

Design Optimization of Two-Quadrant High-Current Low-Voltage Power Supply

Design Optimization of Two-Quadrant High-Current Low-Voltage Power Supply

On-Chip Fully Integrated Field Emission Arrays for High-Voltage MEMS Applications

Smooth Power Direction Transition of a Bidirectional LLC Resonant Converter for DC Transformer Applications

Efficient High Step-up Operation in Boost Converters Based on Impulse Rectification

Flexible Medium Voltage DC Source Utilizing Series Connected Modular Multilevel Converters

Flexible Medium Voltage DC Source Utilizing Series Connected Modular Multilevel Converters

Enhanced DAB for Efficiency Preservation using Adjustable-Tap High-Frequency Transformer

A Fast-Dynamic Unipolar Switching Control Scheme for Single-Phase Inverters in DC Microgrids

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MMC-based conversion for MVDC applications

Enhanced DAB for Efficiency Preservation using Adjustable-Tap High-Frequency Transformer

Flexible Medium Voltage DC Source Utilizing Series Connected Modular Multilevel Converters

Smooth Power Direction Transition of a Bidirectional LLC Resonant Converter for DC Transformer Applications

Design Optimization of Two-Quadrant High-Current Low-Voltage Power Supply

On-Chip Fully Integrated Field Emission Arrays for High-Voltage MEMS Applications

A Fast-Dynamic Unipolar Switching Control Scheme for Single-Phase Inverters in DC Microgrids

Design Optimization of Two-Quadrant High-Current Low-Voltage Power Supply

Efficient High Step-up Operation in Boost Converters Based on Impulse Rectification

Flexible Medium Voltage DC Source Utilizing Series Connected Modular Multilevel Converters