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Long-distance railways use

  • Long-distance railways use 25 kV Single phase AC.
  • Many long-distance railways around the world use a 25 kV single-phase AC electrification system to power their trains.
  • This system is also known as the 25 kV AC railway electrification system or simply the 25 kV system.
  • The 25 kV system provides several advantages over other electrification systems, such as lower energy losses, higher efficiency, and the ability to transmit power over long distances.
  • The system also allows for high-speed trains to operate at speeds up to 350 km/h (217 mph) in some cases.