acrps 2021 | Call for Papers 10 th acrps Conference The acrps is an international conference and the worldwide lar- gest of its kind specifically on the subject of a.c. rail power supply. Every two years since 2003 this conference has regularly attracted more than 500 experts from railway companies, infrastructure managers, consulting companies and authorities from Europe and beyond in Leipzig (DE). The conference, attended by both decision makers and technical experts, provides both the information about new industrie trends as well as providing a forum for the exchange information among experts. For 2021 the 10 th anniversary conference is planned. Topics of the conference will be • Rail power supply and conversion • Grid stability • SCADA (protection, control, new control centres) • Overhead contact lines • Power supply for charging infrastructure • Earthing and the return circuit, EMC • „Digital Rail“ – impact on rail power supply • Electrical and functional safety • Operation of a.c. rail power supply systems • Railway projects both for railways with AC 15 kV 16,7 Hz and AC 25 kV 50 Hz. The conference program will be complemented by a panel discus- sion.