Research focus of the Chair in the area of High Voltage and High Current Engineering
High Voltage Engineering
Insulations for DC high-voltage transmissions
- Investigation of pressure gas insulation with inhomogeneous temperature distribution
- Investigation of the breakdown behavior of oil-paper insulation
- Determination of field distribution taking into account ion drift processes
- Dimensioning shielding electrodes for outdoor insulation
High-voltage machine insulation
- Stress and service life of winding insulation under impulse voltage
- Experimental and theoretical investigations on the behavior of the terminal corona protection system
Working under voltage (live-line)
Investigations on electrical impulse method for rock destruction
Ampacity and Heating
- Experimental investigations of the current carrying capacity and heating of electrical equipment in high-, medium- and low-voltage technologies
- Thermal behavior calculations of electrical power engineering equipment using the heat network method
- Fundamental investigations on heat transfer in gases and liquids
- Calculations of heat transfer by convection in gases and liquids using CFD
- Experimental investigations on current distribution in multi-conductor arrangements
- Calculations of the current distribution in multi-conductor arrangements in AC and three-phase systems, taking into account the proximity and skin effect
Electrical Contacts and Connections
- Investigations on ageing of static electrical connections in electrical power engineering for 40 years
- Determining the limit temperature of electrical contacts and connections with coated and uncoated conductors
- Operational and long-term behavior of plug connections with spring elements (e.g. contact blades or coil springs) in high-current applications
- Electrical property profiles of formed joints (e.g. clinch point, self-pierce rivet, hybrid joints)
- Investigation of fittings for high-temperature overhead line cables
- Long-term behavior of full-range fuses at elevated ambient temperatures
- Long-term behavior of new connection systems and connection methods
- Determining the physical mechanisms of ageing through force reduction, interdiffusion, frictional wear, electromigration and chemical reactions
- Modeling and calculating ageing
- Further development of electrical ageing test procedures in standards