Cyber-Physical Systems on the Megawatt Scale: The impact of battery control on grid frequency stability. - Carsten Hartmann 002; Edoardo De Din; Daniele Carta; Florian Middelkoop; Arndt Neubauer; Johannes Kruse 001; Ulrich Oberhofer; Richard Jumar; Benjamin Schäfer 001; Thiemo Pesch; Andrea Benigni; Dirk Witthaut (CoRR, 2025)