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| | Railway electrification system - Wikipedia, the free encyclopedia |
 | | The 25 kV 50 Hz single-phase AC system is used in France, Great Britain, Finland, Denmark, the former Soviet Union, the former Yugoslavia, Japan and parts of Australia (namely, all electrification in Queensland and Western Australia), while USA commonly uses 12.5 and 25 kV at 60 Hz. |
 | | A railway electrification system is a way of supplying electric power to electric locomotives or multiple units. |
 | | The 3000 V DC system is used in Belgium, Italy, Poland, the northern Czech Republic, Slovakia, former Yugoslavia and in the former Soviet Union. |
| en.wikipedia.org /wiki/Railway_electrification_system (1111 words) |
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