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| CGE Traction | |
|---|---|
| Name | CGE Traction |
| Powertype | Electric |
| Builder | Ganz, Brown, Boveri, AEG |
| Builddate | 1920s–1960s |
| Totalproduction | Various |
| Uicclass | Bo′Bo′ / Co′Co′ (various) |
| Length | Varies |
| Weight | Varies |
| Electricsystem | 1.5 kV DC / 3 kV DC / 25 kV AC (depending on model) |
| Tractionmotors | DC/AC types |
| Transmission | Direct drive / geared |
CGE Traction CGE Traction refers to a family of electric traction equipment and locomotives produced by Compania Generala de Electricitate (CGE) and associated manufacturers during the mid-20th century. It encompasses electric motors, control gear, transformers, and complete locomotive and EMU designs used across Europe, Africa, Asia, and Latin America. The subject intersects with major rolling stock manufacturers, national railways, and landmark projects that shaped 20th-century rail electrification.
CGE traction systems were developed in the context of collaboration among Ganz, Brown, Boveri & Cie, AEG, Siemens, Alstom, and national firms such as București Tramways, SNCF, Deutsche Bahn, British Rail, ÖBB, Ferrovie dello Stato, Polskie Koleje Państwowe, MÁV, Czechoslovak State Railways, SBB CFF FFS, Nederlandse Spoorwegen, RENFE, Comboios de Portugal and exporters to Cairo Tram, Buenos Aires networks. These systems integrated technologies influenced by figures like Nikola Tesla, Guglielmo Marconi, Thomas Edison, George Westinghouse, and organizations such as International Electrotechnical Commission, Union Internationale des Chemins de fer, and national ministries including Romanian Ministry of Transport. CGE traction equipment featured in projects alongside companies like Vickers, Mannesmann, Vítkovice Machinery Group, ČKD, Hitachi, Mitsubishi Heavy Industries, Kawasaki Heavy Industries, General Electric, Westinghouse Electric Company, and Siemens-Schuckertwerke.
Specifications varied by model but typically referenced standards set by International Union of Railways, IEC 60050, and national standards bodies such as DIN, BSI, AFNOR, UNI, GOST, and ASTM International. Power systems included legacy 1.5 kV DC deployments used by SNCF and NS networks, 3 kV DC grids used by PKP and FS, and 25 kV 50 Hz AC installations common to British Rail and Indian Railways. Traction control employed technologies from thyristor pioneers linked to firms like Siemens, Alsthom, and ABB (Asea Brown Boveri), while pantograph designs related to patents and suppliers including Faiveley, Schunk, and Delage. Safety and signalling interfaces integrated with systems from Siemens Mobility, Alstom Signal, Thales Group, and national schemes like ETCS, ASFA, PZB, and LZB.
CGE traction designs included traction motors, main transformers, rectifiers, control rheostats, choppers, and regenerative braking systems. Components were comparable to those supplied to locomotive projects such as Class 43 (HST), Class 86 (BR), BB 26000, E10 (DRG), E632, and electric multiple units like TGV and Shinkansen. Cabinets and bogie designs reflected collaborations with engineering houses including Rheinmetall, Skoda Works, Vossloh, Bombardier Transportation, Nippon Sharyo, and Hitachi Rail. Electrical insulation materials followed research from institutions like Fraunhofer Society, CNRS, CERN, and universities including ETH Zurich, Imperial College London, and Politecnico di Milano.
Operational roles spanned passenger express, regional, freight, and shunting duties across networks such as British Railways, Indian Railways, South African Railways, SNCB/NMBS, ÖBB, SBB, and CP. Performance parameters—continuous power, starting tractive effort, top speed, and efficiency—were benchmarked against contemporaries like Alsthom Prima, Siemens Eurosprinter, GE Dash 9, and EMD models. CGE traction units were integrated into timetables and traffic management systems used by operators including Network Rail, Rete Ferroviaria Italiana, Deutsche Bahn Netz, and urban metro authorities like MTA (New York City), RATP, and Tokyo Metro.
Variants included DC freight locomotives, AC passenger locomotives, multi-system units, and EMUs tailored for clients such as CFR (Romania), CFF, DB, SNCF, NSB, JR East, SRT (Thailand), and MTR Corporation. Model families corresponded to different gauge and voltage adaptations comparable to Class 66, Class 185, E491, E44, Rc (SJ), and ASEA exports. Specialized adaptations were built for heavy haul operations serving companies like Rio Tinto, BHP, Vale, and for industrial railways linked to ArcelorMittal and ThyssenKrupp.
CGE traction equipment entered service during interwar electrification programs, postwar reconstruction, Cold War-era expansion, and late-20th-century modernization projects. Deployments intersected with major infrastructure works such as Channel Tunnel, Gotthard Base Tunnel planning phases, Seikan Tunnel, and electrification drives in India, Brazil, Argentina, and Egypt. Operators included state railways like SNCF, FS, PKP, CFR, SNCB/NMBS, VR Group, and private freight operators such as DB Schenker and Hupac.
Preserved CGE traction examples are held by transport museums and heritage railways including National Railway Museum (UK), Deutsches Museum, Technisches Museum Wien, Museo Nazionale Ferroviario, Train World, Căile Ferate Române Museum, and regional preservation groups in Transylvania, Bucharest, Vienna, Prague, Budapest, Warsaw, Lisbon, Madrid, and Buenos Aires. The legacy influenced electrification policy, industrial collaboration across Eastern Bloc and Western manufacturers, and standards later codified by UIC and IEC. Modern derivatives of CGE traction concepts appear in contemporary projects by Alstom, Siemens Mobility, Bombardier, Hitachi, and CRRC rolling stock.
Category:Electric locomotives