New tractive system using current at 25 kv, 50 cycles per sec a-c, allows railway to use general power network and thus secures considerable savings; engines are total adhesion locomotives of type Bo-Bo; each weighs about 70 tons and has continuous rating of 2500 hp at 65 km per hr; trains are reversible.
Portuguese Railway electrification
Engineer
Engineer ; 203 , n 5270
1957
2 pages
Article (Journal)
English
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