Swiss catenary frequency

John Lovda

This is a somewhat technical question. When I saw a Vectron in Erstfeld, the frequency was printed on the side as 16.7 Hz. I asked someone who seemed very knowledgable if the number was just rounded to one digit from 16 2/3 Hz. He said the railroad actually changed the frequency because somehow the newer frequency conversion/PWM locomotives ran better. This is only 0.2% higher. Can you confirm this?


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