Progress made in development of various overhead contact wire systems and traction units; features of vehicles capable of operating on systems with different voltages and frequencies and suitable for high speeds; drive equipment, pantographs and braking systems; utilization, cooling and protection of equipment; use of SIMATIC system for designing control contactless circuits.
Further development of electric motive power units for mainline railways
Siemens Rev
Siemens Review ; 29 , n 7
1962
6 pages
Report
English
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