Publications associées à Convertisseur Buck

Prediction of Francis Turbine Prototype Part Load Pressure and Output Power Fluctuations with Hydroelectric Model

François Avellan, Christophe Nicolet, Christian Landry, Sébastien Alligné, Joao Gomes Pereira Junior, Antoine Béguin

The prediction of pressure and output power fluctuations amplitudes on Francis turbine prototype is a challenge for hydro-equipment industry since it is subjected to guarantees to ensure smooth and reliable operation of the hydro units. The European FP7 re ...

2017

Multiobjective Optimization of Medium-Frequency Transformers for Isolated Soft-Switching Converters Using a Genetic Algorithm

Alfred Rufer, Asier Garcia Bediaga, Irma Villar, Alejandro Rujas

The main challenge of medium-frequency transformers is the number of design parameters, constraints and objectives, and the difficulty of handling them on a particular design. This paper presents a novel computer-aided optimal design for MF transformers us ...

Ieee-Inst Electrical Electronics Engineers Inc2017

Simulation of pump-turbine prototype fast mode transition for grid stability support

François Avellan, Christophe Nicolet, Nicolas Ruchonnet, Antoine Béguin, Olivier Braun

The paper explores the additional services that Full Size Frequency Converter, FSFC, solution can provide for the case of an existing pumped storage power plant of 2x210 MW, for which conversion from fixed speed to variable speed is investigated with a foc ...

2017

Dynamic Assessment of Source–Load Interactions in Marine MVDC Distribution

Drazen Dujic, Francisco Daniel Freijedo Fernández, Uzair Javaid, Wim Van der Merwe

Medium-voltage direct-current (MVDC) distribution is a possible replacement due to the advancements in power electronic technologies, for existing medium-voltage ac distribution on ships. The new systems based on MVDC are expected to increase fuel efficien ...

Institute of Electrical and Electronics Engineers2017

Real-Time Power-Reference Tracking Method for PV Converters

Mario Paolone, Lorenzo Enrique Reyes Chamorro

Due to the increasing presence of renewable inertia-less energy sources, power electronics interfaces are required to exploit their flexibility in order to support the overall grid quality of service. One way to achieve this, is that power converters are c ...

IEEE2017

Conformal Mapping of Impedance Stability Models for System-Level Dynamics Assessments

Drazen Dujic, Francisco Daniel Freijedo Fernández, Uzair Javaid

Impedance stability methods are suitable for assessing the dynamics of power converters controllers, but also for ac/dc microgrids system level studies. This work proposes the combination of impedance modeling and conformal mapping for the identification o ...

2017

A Technique for Calculating Voltages Induced on Twisted-Wire Pairs Using the FDTD Method

Marcos Rubinstein, Akiyoshi Tatematsu

Disturbances in low-voltage control circuits in substations and power plants occur due to lightning or switching surges. Adequate protection of electronic devices in low-voltage control circuits requires the capacity to predict surge phenomena and to evalu ...

Institute of Electrical and Electronics Engineers2017

Feed-Forward based Control in a DC-DC Converter of Asymmetric Multistage Stacked Boost Architecture

Alfred Rufer, Gina Kristin Steinke, Georgios Mademlis

A new feed-forward control technique for a DC-DC step-up converter based on the asymmetric Multistage Stacked Boost Architecture (MSBA) is proposed. The devel-oped feed-forward controller directly handles the load current and the perturbations that may be ...

Ieee-Inst Electrical Electronics Engineers Inc2017

Input-Series and Output-Series High Voltage Converter with Active Balancing Circuit for N-1 Operation

Alfred Rufer, Tiago Alexandre Nabais Lima

An input-series/output-series converter dedicated to high power applications is presented. The converter is composed of plural MF transformers based on DC-DC sub-converters. The series connection allows reaching input-voltage levels in the range of several ...

Ieee2016

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Convertisseur Buck

Prediction of Francis Turbine Prototype Part Load Pressure and Output Power Fluctuations with Hydroelectric Model

Multiobjective Optimization of Medium-Frequency Transformers for Isolated Soft-Switching Converters Using a Genetic Algorithm

Simulation of pump-turbine prototype fast mode transition for grid stability support

Dynamic Assessment of Source–Load Interactions in Marine MVDC Distribution

Real-Time Power-Reference Tracking Method for PV Converters

Conformal Mapping of Impedance Stability Models for System-Level Dynamics Assessments

A Technique for Calculating Voltages Induced on Twisted-Wire Pairs Using the FDTD Method

Feed-Forward based Control in a DC-DC Converter of Asymmetric Multistage Stacked Boost Architecture

A Multiport Medium Voltage Isolated DC-DC Converter

Input-Series and Output-Series High Voltage Converter with Active Balancing Circuit for N-1 Operation

Graph Chatbot

Chattez avec Graph Search

Multiobjective Optimization of Medium-Frequency Transformers for Isolated Soft-Switching Converters Using a Genetic Algorithm

Simulation of pump-turbine prototype fast mode transition for grid stability support

A Multiport Medium Voltage Isolated DC-DC Converter

Prediction of Francis Turbine Prototype Part Load Pressure and Output Power Fluctuations with Hydroelectric Model

A Technique for Calculating Voltages Induced on Twisted-Wire Pairs Using the FDTD Method

Real-Time Power-Reference Tracking Method for PV Converters

Input-Series and Output-Series High Voltage Converter with Active Balancing Circuit for N-1 Operation

Feed-Forward based Control in a DC-DC Converter of Asymmetric Multistage Stacked Boost Architecture

Conformal Mapping of Impedance Stability Models for System-Level Dynamics Assessments

Dynamic Assessment of Source–Load Interactions in Marine MVDC Distribution