People

• Lightning and overvoltage protection in electrical power systems (lightning terminals, grounding systems, high-voltage surge arresters, energy handling and electrical aging of MO varistors)
• New insulation and field grading materials for high-voltage applications (application of functional fillers, direct voltage insulation systems)
• High-voltage circuit breakers (breaking performance of vacuum-breakers, switching of capacitive loads, condition monitoring, switching in high-temperature superconducting systems, breaking of direct currents, optimization of contact materials and geometries)
• Development of new sensors, diagnostic tools and condition monitoring in electrical power systems (surface acoustic wave sensors, arc rotation measurement on vacuum interrupters, field emission current measurement on vacuum breakers)
• High-voltage and high-current test and measuring technique (application of power semiconductors)

since 2001 Full Professor (C4), TU Darmstadt, Department of Electrical Engineering and Information Technologies, Head of High-Voltage Laboratories

1992 – 2001 Director R&D Surge Arresters, Siemens PTD H, Berlin

1989 – 1992 Test engineer, Siemens AG, PTD H, High-Voltage Laboratories, Schaltwerk Hochspannung, Berlin

1982 – 1989 Research Assistant at Institute of High-Voltage Engineering and Electrical Power Systems, TU Berlin (Prof. Peiser)