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SUMOT

Maturation

Improving the performance and fuel efficiency of electric motors with an overflux device

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Linksium Contact Gisela Schach +33 (0)6 33 63 44 99 gisela.schach@linksium.fr

Benefits

Increase power density of electric motors
Reduced motor size and quantity of materials used (including magnets) with guaranteed performance
Modular device adapted to all variable-speed motorization applications

Key words

Electric drive systems
Power electronics
Turbocharging
Downsizing

Partnerships & Rewards

2023 French Deeptech PhD Competition Winner

Laboratory

G2Elab

Institutions

CNRS
GRENOBLE INP-UGA
UGA

Linksium Continuum

Maturation

Context

Improving the performance of electric motors has become a major challenge, particularly for electric mobility. The challenge is to improve the efficiency and energy density of motors while reducing their environmental impact. With SUMOT, this challenge is met.

Technology

These benefits are achieved through the innovative use of power electronics to overflux the motors. This makes it possible to exploit their full potential and increase power output, with no additional strain on the motor's power supply system.

Advantages

The SUMOT device enables:

greatly increase the power delivered by motors (+70% obtained on industrial and electric vehicle motors);
reduce the size and weight of motors, while guaranteeing their performance;
reduce their economic and environmental costs.

State of progress

This technology is currently at TRL 3 level. A first prototype has validated the concept and expected benefits. An on-board demonstrator in a rolling vehicle is scheduled for the first quarter of 2024.

Applications

SUMOT applies to all variable-speed motorization applications: electric mobility, industry, home automation, etc. The electric vehicle is a priority target, as SUMOT addresses the issues faced by players in this sector.