High Density Energy Center of Competence

KEY COMPETENCE

high density energy

Our competence center operates to develop and concretize solutions concerning the switch to electric vehicles. Indeed, to keep them competitive compared to other energy sources (pneumatic, hydraulic, etc.), we focus on finding a way to increase the power density of electrical systems.

Moreover, the whole set of technologies and design methods needs to be revised to:

  • increase the voltage to reduce the cable mass;
  • use higher performance electronic components (wide gap components) to reduce losses;
  • better integration of the components and equipment to master mass constraints, electromagnetic compatibility (CEM), network quality, reliability, thermal control, or costs.

Objectives

Throughout our research, we concentrate on electromechanical conversion chains, electronic power converters, and electric motors, developing technologies (power modules, filters, inductances, printed circuit board, drivers, thermals, materials, etc.) and the methodologies required to optimize them (MDO/MDA) on different criteria (mass, thermal control, CEM, etc.). In other words, we aim at helping increase the power density of electronic circuits between 2 to over 10 kilowatts/kg and of electric machines between five to over 15 kilowatts/kg. In synthesis, we deal with voltages of less than a kilovolt for applications of a few hundred kilowatts (small carriers), but also with voltages of between 1 and 3 kilovolts for applications of over a million watts (propulsion, major carriers).

R&T fields

INTEGRATED DEMONSTRATORS

One of our main R&T fields focuses on producing demonstrators and prototypes of electric sub-systems in three power ranges:

  • A few hundred watts for more integrated supply systems
  • A few kilowatts to 50 kilowatts for non-propulsive applications
  • Over 100 kilowatts for propulsive applications

We master all the parameters of the subjects of its studies to verify the performance of the electrical systems depending on their application. Several worldwide actors work on the individual optimization of the components. On our side, as a company common to aircraft manufacturers, systems engineers, equipment manufacturers, and technology producers, we work to facilitate the integration of the different constraints, so that overall optimization can be achieved.

TECHNOLOGICAL BUILDING BLOCKS

Another main mission of our competence center is to develop new technologies to produce demonstrators and to validate the performance of an unavailable technology on a controlled demonstrator. This happens thanks to the management of thermal factors, power modules, components of electronic power cores (drivers, filters, etc.), and electric machines. The additive manufacturing potential for electric engineering is also explored.

TOOLS AND METHODS

The tools and methods must be effectively controlled to provide support to industrialists in the preliminary phases of design or of the design phase itself. These are the underlying technological building blocks and electrical subsets, like the electromechanical chains that need to be more closely controlled and optimized across the board, and not just locally as is the case today.

Our offer

 Expertise in power electronics, CEM, the electromechanical chain, and thermal controls  
 State-of-the-art, technical syntheses
 Specific technological platforms
 Demonstrators and prototypes
 Contributions to the TRL levels (technological maturity)
Theses reports, scientific publications, conferences

ROAD MAP

2020 > 2025

roadmap_high_density_energy

contact us

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