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| DBAG Class 101 | |
|---|---|
| Name | DBAG Class 101 |
| Powertype | Electric |
| Builder | Krauss-Maffei, ABB, Siemens |
| Builddate | 1996–1998 |
| Totalproduction | 145 |
| Operator | Deutsche Bahn |
| Disposition | In service |
DBAG Class 101 The Class 101 is a high-speed electric locomotive built for long-distance passenger service, introduced in the mid-1990s for use on InterCity and InterCityExpress routes by Deutsche Bahn. It was developed to replace aging locomotives and to complement tilting and non-tilting multiple units on the German network, while operating alongside international connections to France, Netherlands, Austria, and Switzerland. Designed and produced by a consortium including Krauss-Maffei, ABB, and Siemens, the type integrated contemporary traction technology and modular electronics derived from projects in Sweden, Italy, and the United Kingdom.
The Class 101 emerged from procurement decisions influenced by Deutsche Bahn leadership, the Bundesverkehrsministerium, and rail industry consortia after studies by engineering groups including TÜV and DLR. Concepts were compared with rolling stock programmes such as the InterCityExpress, ICE 1, Pendolino, Alstom Coradia, and projects by Bombardier Transportation. Tendering attracted bids referencing experience from manufacturers like Siemens Mobility, Krauss-Maffei Wegmann, Adtranz, and ABB. Prototype testing drew upon infrastructure overseen by DB Netz and signalling trials with Deutsche Bahn Fernverkehr and coordination with European bodies including the European Railway Agency and standards from UIC.
Design teams referenced electrical systems from earlier locomotives used by operators such as SBB, ÖBB, NS, and SNCF. The traction package incorporated innovations from research by institutes such as the Fraunhofer Society, Institut für Schienenfahrzeuge, and partners in the EU Framework Programme. Aerodynamic work consulted wind tunnel facilities associated with universities like RWTH Aachen University and Technische Universität München. Procurement approvals involved legal counsel and oversight by the Bundeskartellamt and parliamentary committees.
The locomotive features a Bo'Bo' wheel arrangement, AC electric traction using 15 kV 16.7 Hz collection by pantograph compatible with standards from Siemens AG and Alstom. Power electronics employ IGBT inverters developed with components supplied by ABB Group and control software derived from projects involving Siemens Electronics and testing laboratories such as DLR. Bogie design references work done at Siemens Mobility and suspension components similar to those used by Bombardier in other European classes. Braking systems integrate electro-pneumatic controls and regenerative braking as implemented in cooperation with suppliers like Knorr-Bremse and Faiveley.
Onboard systems include train protection interfaces for PZB, LZB, and later retrofits for ETCS deployment aligned with directives from the European Commission. Cab ergonomics were developed alongside input from unions such as Gewerkschaft Deutscher Lokomotivführer and safety advice from Federal Office of Civil Aviation and Railway-related authorities. Cooling systems reference components supplied by firms like Siemens Turbomachinery and HVAC partnerships with ZIEHL-ABEGG.
Class 101 entered service on routes linking major hubs including Berlin Hauptbahnhof, Hamburg Hauptbahnhof, Frankfurt Hauptbahnhof, München Hauptbahnhof, Köln Hauptbahnhof, and international corridors to Basel SBB, Zürich Hauptbahnhof, Wien Hauptbahnhof, and Amsterdam Centraal. Timetabling cooperation involved agencies such as DB Regio, DB Fernverkehr, and scheduling influenced by European operators like SNCF and ÖBB. Maintenance regimes were established at depots including facilities in München-Aubing, Krefeld, and Köln-Nippes with parts logistics coordinated with suppliers such as Siemens Logistics.
Operational challenges were addressed with field support from engineering teams who benchmarked performance against ICE 2, ICE-T, and international locomotive classes used by SBB and NS. The fleet saw deployment for special services during events organised by bodies like the UEFA for football tournaments, the Hannover Messe, and during political summits in Berlin. Reliability statistics were reported to regulators including the Eisenbahn-Bundesamt and incorporated into procurement lessons for subsequent rolling stock orders.
Throughout service life, Class 101 units received software upgrades to support ETCS baselines and retrofits for enhanced diagnostics developed in collaboration with Siemens Digital Rail and suppliers such as Alstom Digital Services. Comfort upgrades included cab modifications following guidance from Deutsche Bahn AG executive projects and ergonomic studies linked to Technische Universität Berlin. Some locomotives underwent liveried trials and promotional schemes involving cultural partners like Deutsche Telekom, Deutsche Post, and sponsorships for exhibitions at institutions such as the Deutsches Museum.
Technical modifications reflected interoperability needs with the Channel Tunnel rules for cross-border operation and electrical compatibility studies referencing standards from UIC and the International Union of Railways. Mid-life refits included traction motor overhauls by contractors like Siemens Mobility and component replacements from ABB and Knorr-Bremse.
Recorded incidents involving Class 101 were investigated by authorities including the Eisenbahn-Unfalluntersuchungsstelle des Bundes and reported to oversight bodies such as the European Railway Agency. Investigations typically cited factors evaluated against safety regulations influenced by rulings from the Bundesverwaltungsgericht and recommendations from organisations like Deutsche Bahn AG safety boards. Findings led to procedural changes overseen in coordination with unions like Gewerkschaft Deutscher Lokomotivführer and maintenance organisations including DB Fahrzeuginstandhaltung.
Notable operational disruptions required collaboration with emergency services such as Feuerwehr Berlin and police authorities including Bundespolizei on major corridors. Outcomes informed training updates at academies such as the DB Training centres and revisions to national safety protocols discussed in forums attended by European Commission transport representatives.
Some units have been earmarked for preservation by railway heritage organisations and museums such as the Deutsches Technikmuseum Berlin, DB Museum, and regional societies like the Bayerische Eisenbahngesellschaft affiliates. Preservation efforts involve partnerships with volunteer groups, archives like the Bundesarchiv, and industrial sponsors including Siemens Stiftung. Exhibits have occasionally been featured at events organised by the historic railway clubs and displayed alongside historic stock from collections including Museumseisenbahn Düsseldorf and Saxon Railway Museum.
Category:Electric locomotives of Germany