Thread: North London Line AC/DC question
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Old January 18th 08, 09:05 PM posted to uk.transport.london,uk.railway
Mark B Mark B is offline
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First recorded activity at LondonBanter: Feb 2006
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Default North London Line AC/DC question
Boltar wrote:
Boltar wrote:
Why do the trains on the NLL switch over to 25Kv AC at Hackney Wick
and then switch back to DC at Dalston when the 3rd rail is continuous
along that section anyway? Why not just stay on DC and save the wear
and tear on the pantograph?

B2003

Why do the trains on the NLL switch over to 25Kv AC at Hackney Wick
and then switch back to DC at Dalston when the 3rd rail is continuous
along that section anyway? Why not just stay on DC and save the wear
and tear on the pantograph?

B2003

IIRC the 313s are governed to 30mph in DC Mode for Moorgate reasons. I
don't know linespeeds on that section but it may make a difference
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