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Sensitivity Analysis of the Constructive Parameters for the 2 ,\times, 25-kV High-Speed Railway Lines Planning

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2 Author(s)
Brenna, M. ; Dept. of Energy, Politec. di Milano, Milan, Italy ; Foiadelli, F.

This paper presents a study of the AC 2 × 25 kV-50-Hz system for the train power supply, giving a valid instrument for better design of the future railway lines. In fact, different constructive solutions, such as the autotransformer short-circuit voltage, can influence the correct working of the system. The analysis of the real currents distribution between the 2 × 25-kV system branches is presented, overcoming the circuital simplifications adopted in the traditional studies that have now been documented in the literature. The study is validated through simulation and in-field measurements.

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Power Delivery, IEEE Transactions on  (Volume:25 ,  Issue: 3 )