. Electric railway journal . Verona-Caldiero 1300-Volt D. C. Railway—Motor Car and Trailer catenary suspension is carried from latticed poles spaced236 ft. through the medium of two brackets, the upper oneof which consists of two channels about in. high, placedback to back, and the lower of piping. This suspensionconsists of a seven-strand catenary of 50 sq. mm (approxi-mately No. 0 B. & S.) cross-section, an auxiliary steel throughout is 19 ft. 8 in. above the top of the rails. Threesets of horn-type lightning arresters are used for protectionof the circuits. The line is operated with pur
. Electric railway journal . Verona-Caldiero 1300-Volt D. C. Railway—Motor Car and Trailer catenary suspension is carried from latticed poles spaced236 ft. through the medium of two brackets, the upper oneof which consists of two channels about in. high, placedback to back, and the lower of piping. This suspensionconsists of a seven-strand catenary of 50 sq. mm (approxi-mately No. 0 B. & S.) cross-section, an auxiliary steel throughout is 19 ft. 8 in. above the top of the rails. Threesets of horn-type lightning arresters are used for protectionof the circuits. The line is operated with purchased hydro-electric power, which is transformed to 1350 volts bymeans of two 300-kw motor-generator sets installed inVerona. There are no substations of any kind on the Double Trolley Electric Verona-Caldiero 1300-Volt D. C. Railway—Multiple Catenary Construction for Tangents and Curves on Right-of-Way and on Highways catenary of 6-mm diameter (approximately No. 3 B. & S.),hangers between main and auxiliary catenary 39 ft. apart,the two trolley wires already named and sliding clampshung at intervals of 10 ft. between the auxiliary catenaryand the contact wires. The main catenary is continuouswhile the auxiliary is anchored about every mile at thepoles, where the weights used in the automatic tension The rolling stock consists of new double-truck motor cars,each carrying two pairs of 650-volt motors, each pair beingpermanently connected in series. The Palermo (Italy) Tramway has been granted a con-cession to construct an electric tramway in Palermo, fromPallavicino to Mondello. June 7, 1913.] ELECTRIC RAILWAY JOURNAL 1003 Single-Phase Railway Motors Principles of Some Common Types of Single-Phase Traction Motors and a Comparison of
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