INFINERGIES is a power electronics design office. We help companies design power conversion products for any industries, using the best tools, methods and practices for optimal results. We have expertise in all common areas of power electronics, from power topologies to control strategies, thermal management, including EMC and digital control. We offer many services including (but not limited to) : - Anything from feasibility studies to ready-to-manufacture design, including prototype design, etc. - Training (EMC, digital control, other power electronics related topics) - Call for tender support - EMC design and testing - Power semiconductors characterisation and validation - Competitor benchmarking - Tooling and test benches - Research on new topologies - Help in BOM cost reduction

Lectures:- Digital control for power converters (3h)- Analog PWM controlers (1.5h)- Diodes and power MOSFETs (1.5h)Writer: - Digital control for power converters, Imprimerie Supélec Co-writer: - Introduction to power electronics: Conversion principles, applications, components, control laws and conception, Imprimerie Supélec

Main tasts:- Design of new power converters - Design of digital interfaces- Production support for testing and validation of new products- Continuous improvements of company tools and practicesMain projects:- Design of a signle-phase, 3kW, 550V output, digitally controlled PFC rectifier with SiC semiconductors- Design of a 4.5 digits digital front panel board for high voltage power supplies - Design of a digital LCD front panel for multiple outputs high voltage power supplies- Design of an MCU-based optocoupleur linrarisation board- Supervision of outsourced development projects - Self taught in Eagle CAD software

Main tasks: - Power converter design and component selection - Thermal management - Test and validation - Schematic capture and layout in cooperation with mechanical engineers - Real-time architecture design and development - MCU real-time programming - Hardware/software integration - Design justification documents templates writing to speed-up future developmentsMain project: - 600W, multiple output (modular), AC/DC converter for industrial applications ---- Dual-phase interleaved Boost PFC (hardware and software) ---- 2 DC/DC Buck converters (software) ---- Integration with other DC/DC converters

Main tasks: - Pre-sales and early design simulation of power converters (LTSpice, Matlab) - Advanced simulation of control laws of power converters (LTSpice, Matlab, self-made simulator) - Design of advanced control laws for power converters - Real-time architecture design and development - MCU real-time programming - Design and implementation of a MCU simulator - Hardware/software integration - IT (new employee computer set-up, SVN repository management) - HR (CV review, technical interviews) Main projects: - 3.2kW, 400V to 12V DC/DC converter for electric vehicles - 300W, 12-16V to 10-18V DC/DC converter for automotive - 3kW, 3-phase AC to 3kV DC capacitor charger for food industry

Main tasks: - Power converters simulation (LTSpice) - Power converter design and component selection (IC, semi-conductors, magnetics...) - Power converter development and testing, EMC filter design Main project: - 350W, 28V to 14V DC/DC converter for trucks

Main tasks:- Subway line electric consumption simulation - Power sub-station design - HV and LV electric distribution lines specifications and design - Call for tenders analysis for subway systems - Writing of tender and specification documents Main project: - High voltage power distribution system for Hanoi subway

Validation plan of motor control systems for Schneider Electric

- Simulation of PFC rectifiers for X-ray machines. - Comparison of different PFC topologies (diode bridge + boost, diode bridge + 2 switch boost converter, 3-phase full-bridge, Vienna rectifier)- Simulation of space vector control of a 3-phase full-bridge PFC with Matlab/Simulink

Writing test procedures for power converters for trains.

Specifications to upgrade a test bench for train power converter components.