1. ABB Corporate Research Center, Mannheim, Germany
2. SICP, Universität Paderborn, Paderborn, Germany
3. FIR e. V., RWTH Aachen, Aachen, Germany
4. Institute of Electric Energy Systems and High-Voltage Technology, KIT, Karlsruhe, Germany
5. ITM, KIT, Karlsruhe, Germany
6. Westfalen Weser Netz GmbH, Paderborn, Germany
7. Heimann Sensor, Eltville, Germany