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Analysis of Corona and Surface Discharge Signals from Different Non-Intrusive Sensors under HVDC
Ayyoub Zouaghi;Sneha Satish Hegde;Christian Vollaire;Matthieu Dalstein
2023 IEEE Industry Applications Society Annual Meeting (IAS)
Year: 2023 | Conference Paper |
Cited by: Papers (3)
The use of high voltage direct current (HVDC) transmission technology has increased significantly in recent years due to its numerous advantages over traditional alternating current (AC) transmission. The aim of the present work is to investigate the efficiency of different non-intrusive sensors for partial discharge measurement in medium or high voltage direct current equipment such as air or gas...Show More
Switched-Mode Power Supply Impact on a Bluetooth Low Energy Receiver Inside a Microcontroller
Pierre Malbec;Jean-Daniel Arnould;Christian Vollaire;Jean-Marc Duchamp;David Chesneau
2023 53rd European Microwave Conference (EuMC)
Year: 2023 | Conference Paper |
This paper presents an analysis of electromagnetic interference generated by an integrated switching DC-DC power converter and its impact on a Bluetooth Low Energy transceiver integrated into the same microcontroller. The goal is to acquire a good understanding of the phenomena involved in order to limit the negative effects of the non-linear DC-DC power converter. The method uses EMI and system-l...Show More
Comparison between segregation and filtering using a black-box inverter model
Pierre-Louis Bourlon;Arnaud Breard;Christian Vollaire;Marc Meyer
2023 International Symposium on Electromagnetic Compatibility – EMC Europe
Year: 2023 | Conference Paper |
Electrification of aircraft propulsion increases embedded power electronics and leads to reconsider specification and integration logic of power electronics systems. At the same time, aeronautics constraints, such as weight and volume, requires to wisely define segregation rules and avoid additional filters. These two solutions are compared through a practical case. To do so, a power chain is mode...Show More
High Frequency Model of Power Transformer Bushing for Very Fast Transient Studies
Anes Messadi;Ayyoub Zouaghi;Esseddik Ferdjallah-Kherkhachi;Christian Vollaire;Olivier Richer;Luiz Fernando de Oliveira;Arnaud Breard
Fast and very fast transient overvoltages generally appear during switching operations within electrical substations. The oscillatory nature of such phenomena with frequencies that can reach several tens of megahertz tends to degrade the lifetime of high voltage equipment such as bushings and transformers, inducing partial discharges activity or breakdown of the insulation system. According to sev...Show More
Scale Reduction for Modeling and Prototyping of Inductive Power Transfer System for EV Applications
Amadou Bayaghiou Diallo;Mohamed Bensetti;Christian Vollaire;Lionel Pichon;Arnaud Breard
IEEE Transactions on Magnetics
Cited by: Papers (2)
In this article, the scale reduction method is applied to an induction power transfer system for electric vehicle (EV) charging for its rapid and low-cost prototyping. In addition, a co-simulation method is proposed, which is based on the coupling between a circuit analysis and a finite-element (FE) analysis. Then, it is proposed to combine the scale reduction method with the co-simulation method ...Show More
Numerical Evaluation of Circuit Model for Fast Computational Analysis of Resonant Wireless Power Transfer System
F. M. Freitas;I. V. Soares;L. Krähenbühl;A. Bréard;C. Vollaire;S. T. M. Gonçalves;U. C. Resende
This article proposes a circuit model (CM) to calculate the current along printed coils used in resonant wireless power transfer (RWPT). It considers a system composed of a metamaterial and two coplanar coils, transmitter (Tx) and receiver (Rx), respectively. First, a CM for the system is presented. Then, an analytical model is proposed to calculate the self-inductance of printed inductors, their ...Show More
Scale Reduction for Rapid Prototyping of Wireless Power Transfer System for Electrical vehicules
Amadou Bayaghiou Diallo;Mohamed Bensetti;Lionel Pichon;Christian Vollaire;Arnaud Breard
2022 IEEE 20th Biennial Conference on Electromagnetic Field Computation (CEFC)
Year: 2022 | Conference Paper |
In this paper, the scale reduction method is applied to a 3D model of a wireless inductive charging system for electric vehicles for its rapid prototyping and simulation. The co-simulation between a 3D FEM model of the wireless power transfer system (WPT) and the power electronic part is studied and in particular thanks to the scale reduction method. A preliminary comparison between the measuremen...Show More
Circuit Model for Fast Computational Analysis of RWPT Applications
Felipe M. Freitas;Icaro V. Soares;Christian Vollaire;Arnaud Breard;Laurent Krähenbühl;Sandro T. M. Gonçalves;Ursula C. Resende
2022 IEEE 20th Biennial Conference on Electromagnetic Field Computation (CEFC)
Year: 2022 | Conference Paper |
This work proposes a circuit model to calculate the current along printed coils used in resonant wireless power transmission systems. The proposed formulation is based on the Neumann formula for calculating the mutual inductance between coils, and due to the generality of this approach, it can be applied to more complex structures such as metasurfaces. Finally, this formulation is used to calculat...Show More
Co-simulation of Circuit/Circuit type Solvers for EMC Applications Using a New Relaxation Method
Amadou Bayaghiou Diallo;Christian Vollaire;Arnaud Breard;Mohamed Bensetti;Lionel Pichon
2022 International Symposium on Electromagnetic Compatibility – EMC Europe
Year: 2022 | Conference Paper |
Cited by: Papers (4)
This paper studies a new co-simulation scheme for coupled problems that is based on the principle of the adapted transmission line with an application to circuit-circuit type coupled simulations. Co-simulation between two or more circuit solvers is usually based on waveform relaxation methods and it results in an iterative process whose convergence depends on the type of interface variables (IVs) ...Show More
Analysis of Electric Field and Surface Discharge in Liquid-Solid Insulation System for HVDC Components
2022 IEEE 21st International Conference on Dielectric Liquids (ICDL)
Year: 2022 | Conference Paper |
Cited by: Papers (1)
High Voltage Direct Current (HVDC) links make it possible to transmit energy for long distances with lower losses. The development of more reliable insulation systems for HVDC components cannot be achieved without understanding the mechanisms of discharge inception and propagation, not only under HVDC constraints, but also under particular conditions such as HVDC superimposed lightning impulse. In...Show More
Automatic PCB Layout Optimization of a DC-DC Converter Through Genetic Algorithm Regarding EMC Constraints
Wided Belloumi;Arnaud Bréard;Omssad Hajji;Christian Vollaire;Jaleleddine Ben Hadj Slama
This paper proposes an optimization approach for an automatic buck converter printed circuit board (PCB) design regarding the electromagnetic compatibility (EMC) constraints. The proposed solution is based on the combination of a genetic algorithm (GA) and a Dijkstra algorithm to generate the different PCB layout designs. Afterwards, a numerical modeling approach, taking into account all the stray...Show More
Experimental study of an EMI reduction gate-driver technique for turn-off transition of 1.7 kV SiC MOSFET
Hadiseh Geramirad;Florent Morel;Bruno Lefebvre;Christian Vollaire;Arnaud Breard
2021 23rd European Conference on Power Electronics and Applications (EPE'21 ECCE Europe)
Year: 2021 | Conference Paper |
Cited by: Papers (1)
This paper proposes a novel self-controlled SiC MOSFET gate driver circuit. This new gate driver (GD) proposes a dynamic gate-bias modification thanks to a passive feedback of the drain or source current to control the EMI during turn-off switching transition. A Rogowski coil integrated into the terminals of the SiC MOSFET provides the feedback to modify the gate voltage profile. During turn-off, ...Show More
Measuring small differential-mode voltages with high common-mode voltages and fast transients – Application to gate drivers for wide band-gap switches
Hadiseh Geramirad;Florent Morel;Bruno Lefebvre;Christian Vollaire;Arnaud Breard
2020 International Symposium on Electromagnetic Compatibility - EMC EUROPE
Year: 2020 | Conference Paper |
Cited by: Papers (3)
In power electronics, gate-voltage measurement is used to optimize the design of the gate driver. Therefore a proper measurement technique is vital to ensure the proper operation of the electronic device. Measuring a small signal in a high switching voltage environment is a complicated task especially for high-side switches in a half-bridge configuration with fast semiconductor devices where volta...Show More
Experimental EMI study of a 3-phase 100kW 1200V Dual Active Bridge Converter using SiC MOSFETs
Hadiseh Geramirad;Florent Morel;Piotr Dworakowski;Philippe Camail;Bruno Lefebvre;Thomas Lagier;Christian Vollaire
2020 22nd European Conference on Power Electronics and Applications (EPE'20 ECCE Europe)
Year: 2020 | Conference Paper |
Cited by: Papers (3)
This paper presents a system-level EMI investigation in a new 3-phase 1.2kV 100kW insulated DC/DC converter. In this prototype, achieving full operation was prevented by false triggering of semiconductors due to large common-mode current through gate drivers. A passive filter embedded into the structure of the transformer to connect it to the ground is proposed as a corrective and cost effective s...Show More
SMPS electromagnetic noise in System-on-Chip: Noise propagation
Eric Feltrin;David Chesneau;Arnaud Bréard;Bruno Allard;Christian Vollaire
2020 IEEE International Symposium on Electromagnetic Compatibility & Signal/Power Integrity (EMCSI)
Year: 2020 | Conference Paper |
Cited by: Papers (1)
There is a trend for embedding of a power management unit along with digital system-on-chip. Few off-chip passive components are necessary. The embedded power management unit is meant to deliver dynamical adequate voltage levels to improve the performances of the mix-mode system. The conversion architecture is optimized in efficiency against high and low power mode but preventing impacts on the an...Show More
Large Surface LC-Resonant Metamaterials: From Circuit Model to Modal Theory and Efficient Numerical Methods
L. Krähenbühl;R. Scorretti;A. Bréard;C. Vollaire;J.-M. Guichon;O. Chadebec;G. Meunier;A. Urdaneta-Calzadilla;V. C. Silva;C. A. F. Sartori
IEEE Transactions on Magnetics
Cited by: Papers (7)
We studied the harmonic magnetodynamic behavior (without free space wave propagation) of a resonant surface metamaterial, made of many identical and regularly arranged LC cells. The circuit model gives the exact solution, but it is not numerically efficient for simulating very large structures (e.g., 1000 × 1000 cells giving 106 unknowns with a full 106 × 106 matrix). For the first time, we highli...Show More
Simulation Framework for Studying UHF RFID Systems in Pulse Wave Mode
Hussein Ezzeddine;Yanis Merakeb;Julien Huillery;Arnaud Bréard;Yvan Duroc;Christian Vollaire
2019 IEEE International Conference on RFID Technology and Applications (RFID-TA)
Year: 2019 | Conference Paper |
Cited by: Papers (2)
In this paper, a method to model a passive UHF RFID system is presented and a practical application on PW (Pulse Wave) mode is described. Two levels of simulation are performed. A system level simulation (circuit model) including transmitter, modeled channel and receiver is developed using ANSYS Designer and interfaced with Matlab. And a physical-layer level simulation (electromagnetic model) incl...Show More
A 3D Folded Power Inductor with PCB based technology for applications in the kW range
Johan LE LESLÉ;Corentin DARBAS;Florent MOREL;Nicolas DEGRENNE;Rémy CAILLAUD;Cyril BUTTAY;Roberto MRAD;Christian VOLLAIRE;Stefan MOLLOV
2019 IEEE Applied Power Electronics Conference and Exposition (APEC)
Year: 2019 | Conference Paper |
Cited by: Papers (1)
This paper presents an original 3D folded power inductor concept using Printed-Circuit-Board (PCB) technology. It is low cost for mass production and presents good reproducibility. A partial milling of the PCB is used to allow bending and building the inductor winding. A prototype is designed through an optimisation procedure. The frequency dependency of the series resistance, which widely impacts...Show More
Impact of Layout on the Conducted Emissions of a DC-DC Converter Using Numerical Approach
Wided Belloumi;Arnaud Bréard;Jaleleddine Ben Hadj Slama;Christian Vollaire
2018 15th International Multi-Conference on Systems, Signals & Devices (SSD)
Year: 2018 | Conference Paper |
Cited by: Papers (5)
This paper presents a comparative study between different buck converter layouts in order to show its impact on conducted disturbances. Indeed, all the stray elements, such as resistive, inductive and capacitive effects, should be considered to obtain an accurate layout model. For this, a numerical approach, that takes into account all parasitic parameters especially capacitive effects, is propose...Show More
Black Box EMC Modeling of a Three Phase Inverter
2018 International Symposium on Electromagnetic Compatibility (EMC EUROPE)
Year: 2018 | Conference Paper |
Cited by: Papers (15)
This paper presents an Electromagnetic Interferences (EMI) modeling of a DC-AC power converter, based on a black box representation: the converter is represented by an association of sources and impedances that reflect its external EMI behavior. This modeling approach presented in this paper requires a very short computation time, which allows an optimized design of an EMC filter or an interaction...Show More
This paper proposes improved decoupling capacitor topology in order to mitigate differential mode disturbance generated by inverter towards power supply. At first, a description of the setup used and its dedicated electrical model is made. This part allows validating the accuracy of the model. Then, frequency domain analysis is operated in order to explain each topology behavior regarding differen...Show More
Numerical approach to study layout influence on electromagnetic emissions signature
Wided Belloumi;Arnaud Bréard;Jaleleddine Ben Hadj Slama;Christian Vollaire
Several elements have significant influence on the conducted disturbances of power electronic circuits, such as parasitic elements of the printed board layout and active and passive components. This paper treats the impact of a DC-DC buck converter layout on the Electromagnetic Interference (EMI). Two different routing designs for a chopper circuit are presented. A numerical modelling method is pr...Show More
Optimum design of a single-phase Power Pulsating Buffer (PPB) with PCB-integrated inductor technologies
Johan Le Leslé;Rémy Caillaud;Florent Morel;Nicolas Degrenne;Cyril Buttay;Roberto Mrad;Christian Vollaire;Stefan Mollov
2018 IEEE International Conference on Industrial Technology (ICIT)
Year: 2018 | Conference Paper |
Cited by: Papers (5)
This paper presents the design procedure for a Buck Power Pulsating Buffer, aimed at optimising the power density of a single phase AC/DC converter. It compares different technologies for the buffer capacitor and for the inductor with printed-circuit board (PCB) integration in mind. As ceramic capacitors are considered (X6S and Ceralink technologies), a non-linear model was developed for the capac...Show More
Power Efficiency and EMI Attenuation Optimization in Filter Design
Moises Ferber;Roberto Mrad;Florent Morel;Gaël Pillonnet;Christian Vollaire;Angelo Nagari
This paper presents a discrete conducted electromagnetic (EM) interference filter optimization procedure, based on a genetic algorithms. A macromodeling technique taking into account the load impedance, the source emissions and the filter parasitic components, including the filter layout, is used to obtain an accurate solution for the optimization process. The latter searches among supplier passiv...Show More
Novel Design for a Rectenna to Collect Pulse Waves at 2.4 GHz
Rony Ibrahim;Damien Voyer;Mohamad El Zoghbi;Julien Huillery;Arnaud Bréard;Christian Vollaire;Bruno Allard;Youssef Zaatar
A novel rectifying circuit topology is proposed for converting electromagnetic pulse waves (PWs), that are collected by a wideband antenna, into dc voltage. The typical incident signal considered in this paper consists of 10-ns pulses modulated around 2.4 GHz with a repetition period of 100 ns. The proposed rectifying circuit topology comprises a double-current architecture with inductances that c...Show More
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