Description of electric control for lift span of Arsta railway bridge in Sweden; lifting section has span of 75 1/2 ft, and in normal position gives clearance of 70 ft above water level; lifting effected by two electric motors, each developing 32 hp at 650 rpm with 440 v; current for motors taken from traction supply at 14-16, 000 v 1623 cycles, single phase, and stepped down by two single phase transformers mounted on outside of tower.
Lift bridge operation on electrified lines
Elec Ry Traction (Supp Ry Gaz)
Electric Railway Traction Supplement to Railway Gazette ; n 73 ; p 42-43
1939
2 pages
Aufsatz (Zeitschrift)
Englisch
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