Expertise

Expertise

Electric Machines and Drive Systems

Design, calculation and simulation of electrical machines and actuators with high power and torque density

Electric vehicle drives (traction drives, 48 V systems)
Electric drives in aviation applications
Industrial drives
Electromagnetic actuators (linear, rotating)

FE analysis and analytical calculation of machine topologies (magnetic, thermal)

Comparative analysis of machine types
Multiphase machine concepts

High Temperature Superconductor (HTSC)

Electrical machines of high power density
FE calculation to determine the levitation forces
Design and construction of bearings
Field and force measurements on HTSC

Design and implementation of optimal control concepts and control methods for electric drives

Magnetic bearings: active, passive

Design and construction of systems for inductive energy transmission

Prototypical construction and buildup of electrical machines

Measurement of drive systems and machines on test benches

Automated generation of efficiency maps

Power Electronics

Power electronics for mobile application

AC grid connected battery charger (with and without transformer)
DC/DC converter (up to 3kV, 1MHz, with and without transformer)
drive inverters (traction, auxciliiary)
use of WBG power semiconductors (Si, SiC, GaN)
design for reliability and liefe time estimation for active and passive components
Power electronics for renewable energy systems

Converters for stationary storage systems (with and without transformer)

DC/DC converter in DC grids (up to 3kV, with and without transformer)
Photovoltaic inverters
High switching frequencies by using SiC and GaN semiconductors

Power electronics for industrial applications

(grid connected) drive inverters
DC/DC converter with and without transformer
filter technologies
fast switching of WBG semiconductors (Si, SiC, GaN)