Electrical insulation systems
Electrification and voltage increase in a harsh environment
Keywords
high electric field
densification
modeling
lifespan and reliability
- Understand physical phenomena: partial discharges, arcs, space charges
- Implement recommended design and segregation rules
- Simulate electromagnetic behavior of SIE
- Develop aging models
- Develop electrical models
- Contribute to international test standards
- Study the behavior of SIE at very high / very low T°
- Characterize “greener” materials for electrical insulation
€33M cumulated
27 employees
12 theses
16 post docs
80 publications
aeronautics
electrical engineering
railway
automotive
Academic
LAPLACE, Institut Jean Lamour, KYUTEC (Jpn), G2ELAB, LSEE, IES, CIRIMAT, IMP
Institutional
ITE SGI, IRT Railenium, ITE Vedecom, CNES, CEA
Industrial
Airbus, Safran, Liebherr, Nidec Leroy Somer, eMotors, Alstom, Nexans, Radial, SLB
11 competences
High voltage energy
High reliability, high density and highly efficient WBG based power conversion
Metallic materials and processes
Surfaces / assemblies
Composite materials
Advanced learning
AI for critical systems
Smart connectivity and sensing
Systems engineering
Multi Discipline Optimization
Critical Embedded Systems

Aging platform
- 80-channel switch matrix “5kV DP Free” (*)
- Thermal aging up to 400°C (iso or cycled)
- DC, PWM, AC 1500 Hz, 1.5 kV DC

Partial Discharge Laboratory
- Non-intrusive PD measurement
- Electro-Acoustic Pulsed Space Charge Measurement

Electric arcs
- Vacuum vessel 3 m3 @ 4 mBar
- Impact of arcs on materials and components
- 2.4 kV AC @ 400 Hz - 360 kVA
- 3 kV DC
- Small-scale aircraft distribution
- Aircraft components
- AC & DC
- BDD of arc signals (AI-based detection)

“AIRLIFT” : PDIV prediction
- 2D/3D modeling
- Electric field modeling
- PD prediction and localization