Quadrate in Mannhiem in Mannheim, Baden-Württemberg, Germany — Central Europe
Drehstromantrieb
⎯⎯⎯
Three-Phase AC Drive
1970
Photographed by James Hulse, September 16, 2026
1. Drehstromantrieb / Three-Phase AC Drive Marker
Gemeinsam engagiert in der Metropolregion Rhein-Neckar
In the early 1970s, engineer Werner Teich and his team at BBC (Brown Boveri & Co.) in Mannheim developed an electronic frequency converter that transformed the electricity flowing through the overhead wire into three-phase alternating current. This allowed locomotives powered by induction motors to pull both high-speed passenger trains and heavy freight trains. During the mid-1980s, the three-phase drive made the development of the ICE power cars possible. Today, this technology is standard in electrically
this page online
Working together for the Rhine-Neckar Metropolitan Region
Erected by Alstom.
Topics. This historical marker is listed in these topic lists: Railroads & Streetcars • Science & Medicine.
Location. 49° 29.036′ N, 8° 27.833′ E. Marker is in Mannhiem, Baden-Württemberg, in Mannheim. It is in Quadrate. It is on Bismarckstraße just east of Kurpfalzstraße, on the right when traveling east. Touch for map. Marker is at or near this postal address: Bismarckstraße 40, Mannhiem BW 68161, Germany. Touch for directions.
Regionally, it is in Europe, the European Union, Atlantic Europe, Central Europe, the Schengen Area, Western Europe, and the Western World. Historically, it finds itself in what was once the Roman Empire and specifically also the Holy Roman Empire.
Other nearby markers. At least 8 other markers are within walking distance of this marker: SAP (here, next to this marker); Pepperl+Fuchs (here, next to this marker); Mannheim-Gen (a few steps from this marker); Rudolf Fuchs (a few steps from this marker); Prof. Dr.-Ing. Karl Friedrich Marguerre
Photographed by James Hulse, September 16, 2026
2. Drehstromantrieb / Three-Phase AC Drive Marker
Credits. This page was last revised on September 19, 2026. It was originally submitted on September 19, 2026, by James Hulse of Medina, Texas. This page has been viewed 4 times since then. Photos: 1, 2. submitted on September 19, 2026, by James Hulse of Medina, Texas.
