In depth

Electrification: Saving energy on DC networks

By Mike Bent 2020-12-14T10:34:00

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Despite being an early pioneer of regenerative braking with AC electrification, much of the Spanish main line network uses 3 kV DC. Building on earlier developments in the metro sector, ADIF Alta Velocidad is now making progress in recovering braking energy on DC routes, explains Mike Bent.

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