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Driving Power Supply for Ultrasound Piezoelectric Transducers
Modar Jomaa;François Costa;Dejan Vasic;Pierre-Etienne Lévy;Marwan Ali
Piezoelectric actuators are widely used in several applications and are becoming increasingly attractive in aircraft and industrial contexts, mainly when efficient and economical energy conversion is required. One of these applications is the Avionic Piezoelectric Deicing System. Since piezoelectric actuators exhibit a distinct capacitive behavior in almost all frequencies, designing their driving...Show More
Comparison of magnetic coupling topologies for interleaved multilevel inverters
Rita Mattar;Stéphane Lefebvre;Eric Monmasson;Mickael Petit;Christelle Saber;Marwan Ali
2021 23rd European Conference on Power Electronics and Applications (EPE'21 ECCE Europe)
Year: 2021 | Conference Paper |
Cited by: Papers (1)
This paper presents a study and comparison in terms of magnetic circuit sizing for two magnetic coupling topologies for interleaved multilevel inverters: the cyclic cascade and the secondary loop. This comparison includes modeling of both topologies and simulation analysis of the sizing of each of them. The interleaved multilevel inverter is then simulated with the sized magnetic components for th...Show More
Conducted Noise Investigation for IMS Based GaN HEMT Power Module by Black Box Model
Amina Gahfif;Francois Costa;Pierre-Etienne Lévy;Mounira Berkani;Bertrand Revol;Marwan Ali
2020 International Symposium on Electromagnetic Compatibility - EMC EUROPE
Year: 2020 | Conference Paper |
Cited by: Papers (2)
Boost converters based on GaN components are known to generate high levels of electromagnetic interferences (EMI) in common mode (CM) and / or in differential mode (DM). In this article, it is shown how a part of the CM current comes from the DM source and how to significantly reduce this effect. Solution is based on "balancing" the propagation paths between the positive line and the return line w...Show More
Using Deterministic Optimization to Compare Interleaved and Coupled Inverters: Results and Experimental Verification
Adrien Voldoire;Jean-Luc Schanen;Jean-Paul Ferrieux;Benoit Sarrazin;Cyrille Gautier;Marwan Ali
2020 IEEE Energy Conversion Congress and Exposition (ECCE)
Year: 2020 | Conference Paper |
Cited by: Papers (2)
This paper presents the use of a deterministic optimization strategy in order to compare three candidate topologies for inverters used in a 10kW aircraft application. Analytical derivable models are presented for computing the Total Harmonic Distortion (THD) on the AC side, considering the saturation of the inductors, and leakage effects for the couplers. Since the number of interleaved or coupled...Show More
Experimental Validation of the Performances of an Inverter Sized with Optimization Methods
Adrien Voldoire;Jean-Luc Schanen;Jean-Paul Ferrieux;Alexis Derbey;Cyrille Gautier;Marwan Ali
2020 22nd European Conference on Power Electronics and Applications (EPE'20 ECCE Europe)
Year: 2020 | Conference Paper |
Cited by: Papers (1)
This work shows the experimental performances of a PWM inverter designed with a fast design automation tool. The chosen optimization method uses a deterministic algorithm with continuous equations. Analytical models are used to design active and passive components under loss, harmonic, thermal and efficiency constraints. Precise calorimetric test benches are used to measure the losses, and an orig...Show More
Analysis of the impact of manufacturing dissymmetry on current distribution for magnetically coupled interleaved inverters
Rita Mattar;Mickael Petit;Eric Monmasson;Stéphane Lefebvre;Christelle Saber;Cyrille Gautier;Marwan Ali
2020 22nd European Conference on Power Electronics and Applications (EPE'20 ECCE Europe)
Year: 2020 | Conference Paper |
The impact of realistic cases of manufacturing dissymmetry on the distribution of the leg currents is presented for magnetically coupled interleaved inverters. The study of the parametric variations of the passive elements constituting the equivalent electrical circuit is carried out with an open loop control strategy. This parametric variation is made in two stages. The first deals with simple ca...Show More
EMC “Black Box” model for unbalanced power electronic converters
Amina Gahfif;Pierre Étienne Levy;Marwan Ali;Mounira Berkani;François Costa
2019 International Symposium on Electromagnetic Compatibility - EMC EUROPE
Year: 2019 | Conference Paper |
Cited by: Papers (10)
In the first part, this papers proposes a “black box” model for the EMC modelling of a power converter in the case of an asymmetrical topology due to the conversion structure or because of imperfections of the components. The modelling approach relies on external observations and the two-port network theory. Because of the imbalance of the converter, the common to differential mode conversion (and...Show More
Optimization of Metalized Film Capacitor Connection to Reduce Stray Inductance
Théo Penven;Christian Martin;Charles Joubert;Marwan Ali;Régis Meuret;David Thomson;Maxime Semard
In power electronic applications, due to switching components, the inverter dc-bus generates current pulses at low frequencies and high frequencies (HFs). Usually, a dc-bus capacitor is sized to absorb the current peaks at the switching frequency and to stabilize the dc voltage. For decoupling the HF harmonics, an additional capacitor is required. This decoupling capacitor needs to have a low impe...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
Investigation of common mode (CM) impedance : Comparison of pure CM and bulk current injection
Hassan Cheaito;Mor-Sokhna Diop;Marwan Ali;Edith Clavel;Christian Vollaire
2017 International Symposium on Electromagnetic Compatibility - EMC EUROPE
Year: 2017 | Conference Paper |
Cited by: Papers (1)
The common mode (CM) signal appears equally on both lines of a 2-wire cable not connected to ground. It is expressed mathematically as the average of the two signal voltages with respect to ground. In this paper, two different methods to inject CM signals are presented. The first meets with the mathematical expression of CM whereas the second follow the setup of a bulk current injection (BCI) test...Show More
Virtual Bulk Current Injection: Modeling EUT for Several Setups and Quantification of CM-to-DM Conversion
Hassan Cheaito;Mor-Sokhna Diop;Marwan Ali;Edith Clavel;Christian Vollaire;Léonce Mutel
The use of a fixed forward power as obtained during the calibration phase in a bulk current injection test, without monitoring the current, may cause damage on the equipment under test (EUT) with low impedances. In this paper, an accurate EUT model has been designed based on impedance investigation. This model can be used to predict the conducted susceptibility of a generic EUT. The model is first...Show More
Two comparison-alternative high temperature PCB-embedded transformer designs for a 2 W gate driver power supply
Bingyao Sun;Rolando Burgos;Dushan Boroyevich;Remi Perrin;Cyril Buttay;Bruno Allard;Nicolas Quentin;Marwan Ali
2016 IEEE Energy Conversion Congress and Exposition (ECCE)
Year: 2016 | Conference Paper |
Cited by: Papers (10)
With fast power semiconductor devices based on GaN and SiC becoming more common, there is a need for improved driving circuits. Transformers with smaller inter-winding capacitance in the isolated gate drive power supply helps in reducing the conducted EMI emission from the power converter to auxiliary sources. This paper presents a transformer with a small volume, a low power loss and a small inte...Show More
Versatile susceptibility model of complex systems for Bulk Current Injection (BCI) test
Hassan Cheaito;Mor-Diop Sokhna;Marwan Ali;Edith Clavel;Arnaud Bréard;Christian Vollaire
2016 IEEE International Symposium on Electromagnetic Compatibility (EMC)
Year: 2016 | Conference Paper |
Cited by: Papers (2)
This paper deals with versatile model of susceptibility for Bulk Current Injection (BCI) test. An accurate model has been designed based on impedance investigation. Current ElectroMagnetic Compatibility (EMC) models are usually made for specific systems. When some conditions are changed, designer has to build new model for the same Equipment Under Test (EUT) slightly modified. In this paper, the p...Show More
High-Temperature GaN Active-Clamp Flyback Converter With Resonant Operation Mode
Remi Perrin;Nicolas Quentin;Bruno Allard;Christian Martin;Marwan Ali
An isolated active-clamp flyback power supply with a new resonant operation mode is designed and experimentally tested. A full soft-switching design based on dead-time optimization new approach is implemented. Each topology phase is detailed. An experimental board is presented for high ambient temperature (200 °C) operation. The power supply is dedicated to provide the driver power of wide bandgap...Show More
Integrated Active Filter for Differential-Mode Noise Suppression
This letter presents a novel integrated structure for electromagnetic interference (EMI) active filter. This approach integrates an active filter with a passive one to form a hybrid EMI filter. The chosen active filtering circuit is integrated on the printed board circuit embedding the integrated EMI choke. Theoretical and realization results show the integration compatibility between the active p...Show More
Integrated hybrid EMI filter: Study and realization of the active part
2013 15th European Conference on Power Electronics and Applications (EPE)
Year: 2013 | Conference Paper |
Cited by: Papers (7)
Based on the EMI converter model, a hybrid EMI filter is proposed. The chosen active filtering circuit is integrated on the PCB using the passive integrated part. Theoretical and realization results show the integration compatibility between the active part and the passive part. Then EMI measurements show that the proposed integrated hybrid filter can greatly reduce the noise at high and low frequ...Show More
Hybrid Integrated EMC filter for CM and DM EMC Suppression in a DC-DC Power converter
Marwan Ali;Eric Laboure;- Francois Costa;Bertrand Revol;Cyrille Gautier
2012 7th International Conference on Integrated Power Electronics Systems (CIPS)
Year: 2012 | Conference Paper |
Cited by: Papers (4)
This work is focused on the design and the realization of an integrated EMI filter embedded in an aircraft power supply. The first part is dedicated to the design of the EMI filter, based on the converter EMC model. This initial step enables to define the electrical structure of the filter and the components values; a hybrid solution (active plus passive) can be effective for optimal filtering whi...Show More
Design of a Hybrid Integrated EMC Filter for a DC–DC Power Converter
This study focuses on the design and the realization of an integrated EMI filter embedded in an aircraft power supply. The first part of the study is dedicated to the modeling of the dc-dc power, based on a “black box” representation: the converter is represented by an association of sources and impedances that reflect its external EMI behavior. This initial step enables us to define the electrica...Show More
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