Three-phase Systems
| Voltage | Current | Contact system | Name of system | Location | Country | Notes |
|---|---|---|---|---|---|---|
| three wire | Tagebau Gruhlwerk | rack railway (0.7 km) operated 1927–1949 |
||||
| 725 | 50 Hz, Δ | two wire | Gornergratbahn | Zermatt | Switzerland | Website |
| 750 | 40 Hz, 3Ø | two wire | Burgdorf-Thun Bahn | Burgdorf – Thun | Operated 1899–1933 converted to 15 kV 16⅔ Hz in 1933 |
|
| 800 | 60 Hz, 3Ø | Corcovado Rack Railway | Rio de Janeiro | Brazil | ||
| 1125 | 50 Hz, 3Ø | two wire | Jungfraubahn | Interlaken | Switzerland | Website |
| 3000 | 15 Hz, 3Ø | Valtellina Electrification | Northern Italy | 1902–1917 | ||
| 50 Hz, 3Ø | Chemin de Fer de la Rhune | France | ||||
| 3000 | 16 Hz, 3Ø | two wire | Simplon Tunnel | Switzerland, Italy; | Simplon Bahn, 1906–1930 | |
| 3600 | 16⅔ Hz, 3Ø | two wire | Italy | operated 1912–1976 in Upper Italy (more info needed) | ||
| FS | Porrettana railway | 1927–1935 | ||||
| 5200 | 25 Hz, 3Ø | Almeria – Gergal | Spain | 1911–1966? | ||
| 10 kV | 45 Hz, 3Ø | two wire | FS | Roma - Sulmona | Italy | 1929–1944 |
| 50 Hz, 3Ø | three wire | Berlin - Lichtenhain | Germany | test track (1.8 km). variable voltage and frequency. Ttrial runs 1898–1901 |
||
| 14 kV (See notes) |
38 Hz - 48 Hz (See notes) |
three wire | Zossen - Marienfelde | test track (23.4 km). trial runs 1901–1904 variable voltage between 10 kV and 14 kV and frequency between 38 Hz and 48 Hz. |
Read more about this topic: List Of Current Systems For Electric Rail Traction
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