Modern rotary converters for railway applications

  title={Modern rotary converters for railway applications},
  author={A. Pfeiffer and Wolfgang Scheidl and M. A. Eitzmann and Einar Vaughn Larsen},
  journal={Proceedings of the 1997 IEEE/ASME Joint Railroad Conference},
Electrically-powered railway traction in many countries of the world use single-phase, low-frequency systems. In the United States it is 25 Hz, whereas in Europe 16.67 Hz is applied. Supplying this single-phase energy is done by different means. Dedicated generators driven by hydraulic, steam and gas turbines are applied on the networks. Frequency converters are also applied to transfer energy from the three-phase public grid to the single-phase railway system. Static frequency-converter… 

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