Three-phase AC railway electrification
Three-phase AC railway electrification was used in Italy, Switzerland and the United States in the early twentieth century. Italy was the major user, from 1901 until 1976, although lines through two tunnels also used the system; the Simplon Tunnel in Switzerland from 1906 to 1930, and the Cascade Tunnel of the Great Northern Railway in the United States from 1909 to 1939. The first line was in Switzerland, from Burgdorf to Thun (40 km or 25 mi), since 1899.
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Three-phase AC railway electrification
Three-phase AC railway electrification was used in Italy, Switzerland and the United States in the early twentieth century. Italy was the major user, from 1901 until 1976, although lines through two tunnels also used the system; the Simplon Tunnel in Switzerland from 1906 to 1930, and the Cascade Tunnel of the Great Northern Railway in the United States from 1909 to 1939. The first line was in Switzerland, from Burgdorf to Thun (40 km or 25 mi), since 1899.
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La trazione trifase fu un sist ...... , che operò a lungo in Italia.
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Three-phase AC railway electri ...... (40 km or 25 mi), since 1899.
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La trazione trifase fu un sist ...... , che operò a lungo in Italia.
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Three-phase AC railway electri ...... (40 km or 25 mi), since 1899.
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Three-phase AC railway electrification
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Trazione trifase
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